Platform Software Engineer

Key Responsibilities

• Build and ship features across the frontend and backend.

• Design and implement RESTful APIs with appropriate validation and error handling.

• Write clean, maintainable, well-tested code.

• Participate in code reviews and collaborate with the engineering team.

• Use AWS services such as S3 and Lambda for file storage, serverless functions, and scheduled tasks.

• Debug production issues using Sentry and New Relic.

• Contribute to CI/CD pipelines and deployment processes

Must-Have Skills

• Strong proficiency in Go (Golang).

• Hands-on experience with Next.js and TypeScript.

• Solid understanding of PostgreSQL, including queries, schema design, and migrations.

• Experience designing and implementing REST APIs.

• Familiarity with Git and collaborative workflows, including pull requests, code reviews, and branching.

• Strong problem-solving skills and the ability to debug independently.

Good to Have

• Experience with AWS services such as S3, Lambda, EC2, and CloudWatch.

• Experience with Docker and containerized deployments.

• Familiarity with CI/CD using GitHub Actions.

• Understanding of cron jobs and background task processing.

• Experience working in a small, fast-moving team. 

Role Description

Software Engineer is a full-time role based in Hyderabad with Onsite work arrangement. This role involves designing, developing, and maintaining back-end services and APIs, ensuring high performance, scalability, and security across platforms. The engineer will participate in architecture discussions, code reviews, and technical decision-making, collaborating closely with product owners, QA, and cross-functional teams. Daily responsibilities include writing clean, maintainable code, troubleshooting complex issues, improving system performance, and contributing to best practices, documentation, and engineering standards. The role also includes mentoring less experienced engineers and supporting continuous improvement in development processes and tooling.

Key Requirements/Skills

4-7 years of overall experience in software development with strong expertise in building scalable web & mobile applications.

• Strong technical decision-making ability, including architecture design, technology selection and implementation of best practices.
• Front-end expertise: Strong experience in React, JavaScript, TypeScript, NextJS and building responsive and user-friendly UI/UX.
• Back-end development: Hands-on experience with Node.js, Express JS, Nest JS, RESTful APIs, API design, and server-side architecture.
• Databases : Good Hands on Exprience in both SQL(PostgreSQL Preferred) & No SQL Databases
• Gen AI Expertise: Experience in building RAG & LLM Systems, implementing AI/ML models and integrating AI-based solutions to solve business problems. Expereince with Langchain, langgraph and Vector DBs, Voice AI(STT, TTS) Models and experience in using Open AI Tools (Calude, Cursor, etc.)
• Cloud & DevOps exposure: Experience with AWS/Azure, understanding of CI/CD pipelines, and cloud-based deployments.
• Code quality & best practices: Experience in code reviews, Git version control, and ensuring maintainable and secure code.
• Team leadership: Ability to mentor developers, guide technical discussions, and collaborate across teams.
• Strong communication skills to effectively interact with technical and non-technical stakeholders.
• Experience working in high-compliance environments such as healthcare systems is a plus.
• Certifications in AWS & Other skills and technologies will be an added advantage.

Educational Qualification

• B.Tech / M.Tech in CSE/IT/AI&ML only from a recognized university/college. 

Job Role: Software Engineer – Node.js & Serverless Systems

Company: Appmaker by StarApps

Location: Kochi, Kerala (On-Site)

Experience: 1–3 Years

Employment Type: Full-time

About Appmaker by StarApps

At StarApps, we build high-scale tools like Appmaker(https://appmaker.xyz/)  that empower thousands of global e-commerce merchants to turn their web stores into native mobile apps. We focus on low latency, cutting-edge serverless architectures, and building scalable software that handles millions of requests every day.

About the Role

We are looking for a hands-on backend/full-stack Software Engineer (Node.js / TypeScript) to join our engineering team on-site at our Kochi office. You will work directly on building high-performance APIs, web applications, and automated backend workflows using modern JavaScript/TypeScript and cloud technologies.

If you enjoy working with serverless tech, love writing clean code, and want to ship features that impact real businesses globally, this role is for you!

Key Responsibilities

• Core Application Development: Design, build, and maintain high-speed web applications, RESTful APIs, and backend microservices using Node.js and TypeScript.
• Serverless Development: Develop modern, low-latency applications leveraging Cloudflare Workers, Cloudflare D1, and edge serverless architectures.
• Database & Integrations: Write clean SQL queries, design optimized database schemas, handle authentication schemes, and integrate third-party APIs.
• Code Quality & Reliability: Write clean, testable, and maintainable code; debug performance issues; and maintain solid git-based workflows.
• Feature Ownership: Take end-to-end ownership of features—from understanding business requirements to coding, testing, deployment, and post-release monitoring.

What We’re Looking For

• Experience: 1–3 years of hands-on software development experience with JavaScript and TypeScript.
• Tech Stack: Strong proficiency in Node.js, JavaScript, TypeScript, and modern JS frameworks.
• Serverless Stack: Hands-on experience with Cloudflare Workers, Cloudflare D1, or equivalent serverless application development platforms.
• Database & APIs: Solid understanding of REST APIs, SQL databases, authentication schemes, and third-party integrations.
• Engineering Standards: Familiarity with Git, automated testing (unit/integration), CI/CD pipelines, and basic troubleshooting.

Bonus Points

• Knowledge/experience with additional Cloudflare ecosystem products (KV, R2, Queues).
• Hands-on experience with Docker and containerisation workflows.
• Prior experience building Shopify apps, SaaS products, or e-commerce integrations.

Why Join Us?

• High Scale & Impact: Build software used by thousands of global brands and millions of end consumers.
• Modern Tech Stack: Build on cutting-edge serverless architectures (Cloudflare Workers, D1, TypeScript).
• Growth & Culture: Great engineering culture, high ownership, and direct mentorship in our Kochi office.

Senior Software Engineer – SRE Products (Full Stack)

Work Mode: Remote

Experience: 7+ Years

Employment Type: Full-Time

Job Overview

We are looking for a skilled Senior Software Engineer to join our SRE Product Team. The ideal candidate should have strong expertise in Python, backend development, Node.js/TypeScript and AWS cloud technologies.

The role involves developing scalable applications, automation platforms, observability solutions and reliability engineering tools.

Key Responsibilities

• Design and develop scalable backend applications, REST APIs and microservices.
• Build automation platforms and self-service engineering tools.
• Develop cloud-native applications using AWS services.
• Build frontend interfaces using React or Angular.
• Implement monitoring, observability and application reliability solutions.
• Work with platform and cloud engineering teams to improve system performance.

Required Skills

• 7+ years of software engineering experience.
• Strong hands-on experience in Python.
• Good experience with Node.js, JavaScript and TypeScript.
• Expertise in REST APIs, Microservices and Backend Development.
• Hands-on experience with AWS (Lambda, ECS/EKS, API Gateway, DynamoDB, RDS, CloudWatch).
• Experience with React or Angular.
• Knowledge of Docker, Kubernetes and OpenShift.
• Experience with CI/CD pipelines and Terraform.
• Understanding of SRE principles, monitoring and observability.

Good to Have

• Dynatrace, Prometheus, Grafana, Splunk or OpenTelemetry.
• Experience building internal developer platforms.
• Exposure to AIOps, AI Agents or MCP.

Location: Pune/Bengaluru

As a Senior Software Engineer, you will tackle a highly challenging role within our Cyber Security Engineering integration development team. You will be responsible for the End-to-End (E2E) delivery of projects from gathering customer requirements to deploying high-performance data exchange solutions on-prem or in the cloud. We are looking for a Systems-Level Thinker who can seamlessly transition between building complex integrations and architecting high-throughput, low-latency backends. Because each integration may require a different technical approach, we value engineers who love reskilling, following agile best practices, and maintaining an evolving mindset.

Core Responsibilities

Technical Leadership and Architecture

● Systems Engineering: Design, build, and optimize high-throughput, low-latency backend systems and data-exchange layers.

● Architecture and Integration: Participate in planning, defining, and exploring solution alternatives. Architect and estimate deep technical custom solutions and integrations across diverse enterprise tech stacks. ● Stream Processing: Implement event-driven architectures, manage backpressure, and handle real-time state management across security platforms.

● Delivery Ownership: Own projects end-to-end, defining and implementing enablers to evolve solution intent directly alongside our Agile teams.

Team Leadership and Quality

● Mentorship: Actively lead, coach, and mentor junior developers, providing technical guidance to foster professional development.

● Engineering Excellence: Oversee code reviews, build robust CI/CD pipelines, enforce strict quality checks, and ensure rigorous adherence to coding standards.

● Agile Execution: Actively participate in Agile development, including writing, breaking down, and estimating User Stories.

Customer and Stakeholder Collaboration

● Customer Delight: Maintain a strong customer-first attitude while designing, building, and deploying products.

● Technical Communication: Articulate complex technical trade-offs clearly to both business stakeholders and engineering teams.

● Pipeline Management: Manage customer relationships effectively to ensure a continuous flow of project scope, maintaining clear team backlogs.

Job Requirements

● Experience: 5+ years of proven software engineering experience, with a track record of leading small engineering teams or mentoring junior devs.

● High-Throughput Backend Focus: 5+ years of experience engineering robust, real-time backends specifically using Go (Golang) or Java.

● Polyglot and Integration Capability: Deep expertise in at least one or two additional languages/frameworks from our ecosystem: Python, TypeScript, Node.js, React.js, Angular, C#, or C++.

● Computer Science Fundamentals: Excellent knowledge of complex Data Structures, algorithms, and their correct situational usage.

● Adaptability: A passionate programmer who is genuinely open and excited to learn new software development skills as required by changing project demands.

Bonus / Added Advantages

● AI & Intelligent Automation: Hands-on knowledge of AI concepts, Large Language Models (LLMs), and experience building or integrating AI agents to automate complex workflows or security processes.

● Cybersecurity Domain: Experience in the cybersecurity space (SIEM, SOAR, or platform security).

● Modern Web Tech: Strong experience in developing software using modern web technologies.

● E2E Lifecycle: Proven background handling a project completely from discovery to cloud/on-prem deployment.

● Open Source: Active contributions to the Open Source community. (Please share your GitHub/GitLab links in your application!)

Role: Senior Full-Stack Engineer — TypeScript & React

Location: Hyderabad, India (Hybrid)

Employment Type: Full-Time

Department: Engineering

About CargoSprint

CargoSprint accelerates cargo movement across air, ocean, road, and rail through innovative payment, appointment, and visibility solutions. We build technology that connects logistics operations, streamlines complex workflows, and improves the movement of goods across the supply chain.

Our engineering teams work at the intersection of logistics infrastructure, agentic AI, and modern cloud architecture to build scalable, reliable software that powers real-world freight operations.

About the Role

We are looking for a Senior Full-Stack Engineer with strong expertise in TypeScript, React, Node.js, and AWS serverless architecture to build and deliver end-to-end product features.

In this role, you will take ownership of features across the entire technology stack—from database schema design and backend APIs to intuitive, high-performance user interfaces. You will build serverless services, event-driven workflows, and AI-powered capabilities that simplify complex logistics operations for carriers, brokers, and shippers.

You will work within an established engineering ecosystem, following proven architectural patterns and delivering against a well-defined product backlog. We value engineers who combine strong technical fundamentals with pragmatic execution, sound engineering judgment, and a commitment to shipping production-ready software.

This is a hands-on engineering role for someone who enjoys building, taking ownership, and delivering meaningful product outcomes.

Key Responsibilities

• End-to-End Feature Development: Design, develop, test, and deploy full-stack features using React, TypeScript, Node.js, and PostgreSQL.
• Frontend Engineering: Build responsive, maintainable, and performant user interfaces using modern React patterns, reusable components, and effective state management.
• Backend Development: Develop scalable APIs and backend services using Node.js and AWS Lambda, following serverless and event-driven design principles.
• Cloud Architecture: Build and maintain AWS-based serverless applications, including asynchronous processing workflows and serverless container workloads where appropriate.
• Infrastructure as Code: Provision, configure, and manage cloud infrastructure using SST and infrastructure-as-code practices.
• Database Engineering: Design and evolve PostgreSQL schemas, optimize queries, manage migrations, and ensure data integrity.
• Technical Design: Contribute to architectural decisions involving data modeling, API contracts, system integration, and asynchronous processing patterns.
• Production Readiness: Maintain high standards for code quality, automated testing, observability, reliability, and operational support.
• Engineering Collaboration: Work closely with product managers, designers, and other engineers to translate requirements into reliable, maintainable solutions.
• AI-Assisted Development: Use AI-powered development tools, including Claude Code, to improve engineering productivity, accelerate implementation, and support effective problem-solving.

Required Qualifications

• 5+ years of professional software engineering experience.
• 3+ years of hands-on experience with TypeScript, React, and Node.js.
• Strong understanding of JavaScript and TypeScript fundamentals, modern frontend development, and full-stack application architecture.
• Solid React expertise, including component composition, state management, performance optimization, and reusable UI patterns.
• Proven experience building and operating serverless or event-driven backend services using AWS Lambda.
• Practical experience designing and implementing REST APIs or equivalent service interfaces.
• Strong hands-on experience with PostgreSQL, including schema design, query optimization, indexing, and database migrations.
• Experience with SST for defining and managing cloud infrastructure.
• Understanding of asynchronous processing, event-driven systems, and cloud application reliability.
• Familiarity with software testing, debugging, code reviews, version control, and production troubleshooting.
• Ability to take ownership of assigned work, work independently within established patterns, and deliver high-quality software consistently.
• Experience using AI-assisted development tools, particularly Claude Code, as part of everyday engineering workflows.

Technical Skills and Tools

Experience with the following technologies and libraries will be valuable:

• Frontend: React, TypeScript, TanStack, Motion, dnd-kit.
• Backend: Node.js, AWS Lambda, serverless application development.
• Cloud & Infrastructure: AWS, SST, serverless containers, event-driven architectures.
• Database: PostgreSQL, relational data modeling, query optimization.
• Utilities & Data Processing: Turf, ExcelJS, jsondiffpatch, dayjs.
• AI-Assisted Development: Claude Code and multi-session AI-assisted coding workflows.

Candidates are not expected to have equal expertise in every library. Strong fundamentals, adaptability, and the ability to work effectively within an existing technology stack are essential.

Preferred Qualifications

• Experience working with logistics, transportation, freight management, or supply chain platforms.
• Familiarity with Transportation Management Systems (TMS), including linehaul operations, storage, multi-stop movements, and shipment coordination.
• Understanding of Electronic Data Interchange (EDI) and integrations commonly used in logistics ecosystems.
• Experience building systems that process complex operational data and asynchronous business workflows.
• Exposure to agentic AI, AI-enabled product features, or AI-assisted software engineering workflows.
• Experience operating production applications on AWS with a focus on performance, observability, and reliability.

What Success Looks Like

In this role, success means:

• Delivering end-to-end product features with minimal supervision and a strong sense of ownership.
• Building reliable, maintainable, and performant applications across the frontend, backend, and database layers.
• Following established architectural patterns while identifying practical opportunities for improvement.
• Producing production-ready code with appropriate testing, monitoring, and error handling.
• Using AI-assisted engineering tools effectively to improve delivery speed without compromising code quality.
• Contributing to a collaborative engineering culture focused on execution, accountability, and continuous improvement.

Why Join CargoSprint?

• Real-World Impact: Build software that powers real freight operations and solves tangible logistics challenges.
• Ownership and Autonomy: Work in small, high-ownership teams with direct responsibility for meaningful product outcomes.
• Modern Technology Stack: Work with TypeScript, React, Node.js, AWS serverless services, PostgreSQL, and modern infrastructure tooling.
• AI-First Engineering: Contribute to a roadmap where AI is a core part of product development, not an isolated experiment.
• Collaborative Environment: Work with a globally distributed engineering team that values pragmatic problem-solving and effective execution.
• Hybrid Flexibility: Enjoy a hybrid working arrangement based out of our Hyderabad office.

Work Location

Hyderabad, India | Hybrid | Full-Time

If you are a hands-on full-stack engineer who enjoys solving complex technical problems, building reliable cloud-native applications, and delivering software with measurable real-world impact, we would love to hear from you.

Join CargoSprint and help build the technology that keeps global freight moving.

As a Software Engineer, you will tackle a highly challenging role within our Cyber Security Engineering integration development team. You will be responsible for the End-to-End (E2E) delivery of projects from gathering customer requirements to deploying high-performance data exchange solutions on-prem or in the cloud. We are looking for a Systems-Level Thinker who can seamlessly transition between building complex integrations and architecting high-throughput, low-latency backends. Because each integration may require a different technical approach, we value engineers who love reskilling, following agile best practices, and maintaining an evolving mindset.

Core Responsibilities

Customer and Stakeholder Collaboration

• Customer Delight: Maintain a strong customer-first attitude while designing, building, and deploying products.
• Technical Communication: Articulate complex technical trade-offs clearly to both business stakeholders and engineering teams.
• Pipeline Management: Manage customer relationships effectively to ensure a continuous flow of project scope, maintaining clear team backlogs.

Job Requirements

• Experience: 3+ years of proven software engineering experience, with a track record of leading small engineering teams or mentoring junior devs.
• High-Throughput Backend Focus: 3+ years of experience engineering robust, real-time backends specifically using Go (Golang) or Java.
• Polyglot and Integration Capability: Deep expertise in at least one or two additional languages/frameworks from our ecosystem: Python, TypeScript, Node.js, React.js, Angular, C#, or C++.
• Computer Science Fundamentals: Excellent knowledge of complex Data Structures, algorithms, and their correct situational usage.
• Adaptability: A passionate programmer who is genuinely open and excited to learn new software development skills as required by changing project demands.

Bonus / Added Advantages

• AI & Intelligent Automation: Hands-on knowledge of AI concepts, Large Language Models (LLMs), and experience building or integrating AI agents to automate complex workflows or security processes.
• Cybersecurity Domain: Experience in the cybersecurity space (SIEM, SOAR, or platform security).
• Modern Web Tech: Strong experience in developing software using modern web technologies.
• E2E Lifecycle: Proven background handling a project completely from discovery to cloud/on-prem deployment.
• Open Source: Active contributions to the Open Source community. (Please share your GitHub/GitLab links in your application)

Job Title : Senior Software Engineer (SRE Products – Full Stack)

Experience : 7+ Years

Domain : Site Reliability Engineering (SRE) Products

Role Overview :

We are looking for an experienced Senior Software Engineer to develop and scale SRE platforms, automation tools, observability solutions, and cloud-native engineering products.

The ideal candidate should have strong backend development expertise in Python, Node.js, JavaScript/TypeScript, and AWS, along with working knowledge of frontend technologies such as React or Angular. The primary focus will be on backend engineering, API development, and platform solutions.

Mandatory Skills :

Python, Node.js, JavaScript / TypeScript, REST APIs, Microservices, AWS, React / Angular, Kubernetes / EKS, CI/CD, Terraform / IaC, and SRE fundamentals (SLI / SLO, Observability, Incident Management & Automation).

Key Responsibilities :

• Design and develop SRE platforms, automation tools, observability solutions, and self-service engineering products.
• Build scalable REST APIs, microservices, and backend applications using Python and Node.js / TypeScript.
• Develop cloud-native applications using AWS services.
• Build frontend interfaces using React, Angular, or TypeScript frameworks.
• Implement reliability, monitoring, automation, and operational excellence practices.
• Work closely with cloud, platform, and application teams to improve system reliability.

Required Skills :

• 7+ years of software engineering experience with full-stack development exposure.
• Strong expertise in Python development.
• Hands-on experience with Node.js, JavaScript / TypeScript, REST APIs, and microservices.
• Strong understanding of distributed systems and backend architecture.
• Hands-on AWS experience: Lambda, ECS / EKS, API Gateway, DynamoDB, SQS / SNS, RDS, and CloudWatch.
• Frontend experience with React, Angular, or similar frameworks.
• Experience with Kubernetes, OpenShift, or EKS.
• Knowledge of CI/CD pipelines and Infrastructure as Code (Terraform, CloudFormation, or CDK).
• Understanding of SRE concepts: SLI / SLO, observability, incident management, and automation.

Good to Have :

• Experience with Dynatrace, OpenTelemetry, Prometheus, Grafana, or Splunk.
• Experience building Internal Developer Platforms (IDP), self-service portals, or engineering productivity tools.
• Exposure to AIOps, AI Agents, MCP, RAG, or GenAI-based engineering solutions.

Key Focus : Strong Python + Backend Engineering + Node.js / TypeScript + AWS + SRE / Platform Engineering.

Job Summary:

We are looking for a Senior Full Stack Engineer with 8+ years of experience in designing, developing, and maintaining scalable web applications. The candidate should have strong experience in Java, Node.js, AWS, React, and Angular, with the ability to work across both frontend and backend technologies.

Roles & Responsibilities:

• Design, develop, and maintain scalable full-stack applications.
• Develop backend services and APIs using Java and Node.js.
• Build responsive and user-friendly web applications using React and Angular.
• Design and integrate RESTful APIs and backend services.
• Deploy, manage, and troubleshoot applications on AWS cloud services.
• Work with databases and ensure efficient data management.
• Collaborate with product, QA, and other engineering teams.
• Perform code reviews and ensure coding standards and best practices.
• Troubleshoot production issues and provide effective solutions.
• Participate in Agile development, sprint planning, and technical discussions.
• Contribute to application performance, scalability, security, and reliability.

Mandatory Skills:

• 8+ years of experience in software/full-stack development.
• Strong hands-on experience in Java and Node.js.
• Strong experience in React and Angular.
• Good hands-on experience with AWS.
• Experience in developing and integrating REST APIs.
• Strong understanding of full-stack application development.
• Good problem-solving and communication skills.

We are seeking Senior Backend Engineers who can hack around multiple technologies and build highly scalable, low-latency, distributed systems with RESTful services. You will be responsible for developing new software products (internal) and solving complex technical challenges for scale-ups and enterprise companies. You should excel in working with large-scale applications and frameworks and have outstanding communication and leadership skills.

Responsibilities—

• Writing clean, high-quality, high-performance, and maintainable code.
• Solving complex technical problems.
• Performing an objective analysis of the problem statement and coming up with an unbiased technical solution before writing a single line of code.
• Coordinating cross-functionally to ensure the project meets business objectives and compliance standards.
• Participating in and driving code reviews.
• Building robust, secure, and scalable microservices.
• Implementing RESTful services with a metric-driven API Gateway.
• Ensuring sub-second server response and will be responsible for implementing relational, document, key, object, or graph data stores, index stores and messaging stores as needed.
• Tracking defects and work with business owners and users to triage bugs and manage backlog
• Taking ownership to run and maintain Cloud infrastructure.
• Evaluating relevant technologies, influencing and driving architecture and design discussions.
• Architecting & designing the platform.
• Mentoring junior engineers helping them grow, performing code reviews, system monitoring & delegation.
• Writing documentation & create engineering processes.
• Working as an individual contributor.
• Helping drive KPIs with Product.
• Taking ownership of backend systems.
• Helping with unit tests & QA process.
• Scaling the engineering team.
• System scaling to hundreds of millions of users.
• Working with product managers and designs.

Requirements—

• Overall 5-10 years of experience in software development with a strong base in Golang/Java/Python and a degree in Computer Science(optional).
• Experience with Go, K8, Docker, AWS, and CI/CD.
• Experience with micro web frameworks – like Springboot, Gin/Mux.
• Experience in working with microservice architectures, Transactional systems, and Distributed environments.
• Exposure to building RESTful APIs with monitoring, fault tolerance, and metrics (with something like Hystrix).
• Experience with MySQL, and NoSQL (Cassandra, Redis, DynamoDB).
• Experience in server-side services using ElasticSearch and ESB - Camel, ActiveMQ.
• DevOps experience.
• Experience with AWS stack.
• Excellent attention to detail.
• Outstanding written and verbal communication skills.
• To be a self-starter who can work well with minimal to no guidance in a fluid environment.
• To be excited by challenges surrounding the development of highly scalable & distributed systems.
• To be agile and able to adapt quickly to changing requirements scope and priorities.
• To be experienced in working on massively large-scale data systems in production environments.
• To have led or mentored an engineering team before(optional).
• To have contributed to open-source projects.
• To have a strong drive & desire for continued growth.
• Proficiency in English.
• Experience with Web3(optional).

Benefits—

• Best-in-class salary: We hire strong talent and compensate accordingly.
• Proximity Talks: Meet and learn from designers, engineers, product leaders, and AI practitioners.
• Continuous learning: Work with a world-class team and stay close to the latest in AI, engineering, and product development.
• High-impact work: Build AI-first systems and products used at scale by global clients.

About us—

Proximity is the trusted technology, design, and consulting partner for some of the biggest Sports, Media, and Entertainment companies in the world. We’re headquartered in San Francisco and have offices in Palo Alto, Dubai, Mumbai, and Bangalore.

Since 2019, Proximity has built high-impact, scalable products used by millions of users every day. Today, we are a global team of engineers, designers, product managers, and experts solving complex problems and building cutting-edge technology at scale.