Tech Lead

Job Title : Senior Software Engineer (Full Stack — AI/ML & Data Applications)

Experience : 5 to 10 Years

Location : Bengaluru, India

Employment Type : Full-Time | Onsite

Role Overview :

We are seeking a Senior Full Stack Software Engineer with strong technical leadership and hands-on expertise in AI/ML, data-centric applications, and scalable full-stack architectures.

In this role, you will design and implement complex applications integrating ML/AI models, lead full-cycle development, and mentor engineering teams.

Mandatory Skills :

Full Stack Development (React/Angular/Vue + Node.js/Python/Java), Data Engineering (Spark/Kafka/ETL), ML/AI Model Integration (TensorFlow/PyTorch/scikit-learn), Cloud & DevOps (AWS/GCP/Azure, Docker, Kubernetes, CI/CD), SQL/NoSQL Databases (PostgreSQL/MongoDB).

Key Responsibilities :

• Architect, design, and develop scalable full-stack applications for data and AI-driven products.
• Build and optimize data ingestion, processing, and pipeline frameworks for large datasets.
• Deploy, integrate, and scale ML/AI models in production environments.
• Drive system design, architecture discussions, and API/interface standards.
• Ensure engineering best practices across code quality, testing, performance, and security.
• Mentor and guide junior developers through reviews and technical decision-making.
• Collaborate cross-functionally with product, design, and data teams to align solutions with business needs.
• Monitor, diagnose, and optimize performance issues across the application stack.
• Maintain comprehensive technical documentation for scalability and knowledge-sharing.

Required Skills & Experience :

• Education : B.E./B.Tech/M.E./M.Tech in Computer Science, Data Science, or equivalent fields.
• Experience : 5+ years in software development with at least 2+ years in a senior or lead role.
• Full Stack Proficiency :
• Front-end : React / Angular / Vue.js
• Back-end : Node.js / Python / Java
• Data Engineering : Experience with data frameworks such as Apache Spark, Kafka, and ETL pipeline development.
• AI/ML Expertise : Practical exposure to TensorFlow, PyTorch, or scikit-learn and deploying ML models at scale.
• Databases : Strong knowledge of SQL & NoSQL systems (PostgreSQL, MongoDB) and warehousing tools (Snowflake, BigQuery).
• Cloud & DevOps : Working knowledge of AWS, GCP, or Azure; containerization & orchestration (Docker, Kubernetes); CI/CD; MLflow/SageMaker is a plus.
• Visualization : Familiarity with modern data visualization tools (D3.js, Tableau, Power BI).

Soft Skills :

• Excellent communication and cross-functional collaboration skills.
• Strong analytical mindset with structured problem-solving ability.
• Self-driven with ownership mentality and adaptability in fast-paced environments.

Preferred Qualifications (Bonus) :

• Experience deploying distributed, large-scale ML or data-driven platforms.
• Understanding of data governance, privacy, and security compliance.
• Exposure to domain-driven data/AI use cases in fintech, healthcare, retail, or e-commerce.
• Experience working in Agile environments (Scrum/Kanban).
• Active open-source contributions or a strong GitHub technical portfolio.

Experienced Senior Full Stack Engineer to Build & Backend for Event Ticketing Platform Using Claude Code

Overview

We have the frontend already built in Replit for both user and admin experiences. We are looking for a very experienced software engineer to design, build, and scale a production ready backend for a high concurrency event ticketing platform.

This role is for a true senior engineer who actively uses Claude Code as part of their daily development workflow, understands how to review and harden AI assisted output, and can ship systems that hold up under real world load, QA, and security testing.

This is not a prototype or demo system. This backend must be reliable, scalable, secure, and extremely well documented.

What You Will Be Building

• Backend services for an event ticketing platform

• Multi tenant architecture supporting thousands of organizers and events

• High concurrency purchase and checkout flows

• Secure user, admin, and system level access controls

• Production deployments with secrets management, middleware, and security layers

• Observability, logging, and metrics suitable for QA and load testing

• A thoroughly documented backend that future engineers can onboard into quickly

Core Engineering Requirements

• 10 plus years of professional software engineering experience

• Expert level experience using Claude Code or equivalent AI coding agents in real production workflows

• Deep experience building backends with Node.js

• Strong experience with Supabase and PostgreSQL

• Experience deploying and scaling applications on Vercel

• Proven experience extending existing codebases safely

• Strong API design and database performance fundamentals

• Ability to reason clearly about concurrency, transactions, and failure modes

Scalability and Performance Expectations

The backend must be designed to support:

• Hundreds of thousands of ticket purchases

• Thousands of concurrent users and tenants

• Large traffic spikes during on sale windows

• Load testing across all major latency percentiles including p90, p95, and p99

• Extremely low tail latency under high concurrency

• Graceful degradation and recovery under stress

You should be comfortable designing and implementing caching strategies, queue based workflows, idempotent operations, locking mechanisms, and transactional safety.

Security and Production Readiness

You must be able to:

• Set up production environments with proper secrets management

• Implement middleware for authentication, authorization, and rate limiting

• Design secure communication between frontend and backend

• Apply industry best practices for security hardening

• Prepare the system to pass penetration testing

• Maintain clean separation of concerns and least privilege access

Documentation and Developer Experience Requirements

High quality documentation is a hard requirement for this role.

You must have experience:

• Using AI powered documentation tools to generate and maintain technical documentation

• Producing clear architectural overviews and system diagrams

• Writing detailed README files and onboarding guides

• Documenting APIs, data models, and critical flows

• Keeping documentation in sync with code changes over time

We expect the backend to be easy to understand, easy to extend, and well explained for future engineers.

How We Evaluate Candidates

We are looking for engineers who can demonstrate:

• Real production systems they have built or scaled

• Clear judgment in how they use Claude Code and validate AI generated output

• Strong opinions on production readiness backed by experience

• The ability to move fast without sacrificing quality or safety

A short paid technical task may be used that involves real backend work with production quality code and documentation.

Candidates MUST HAVE :

● Deep expertise with JavaScript. Extensive hands-on experience building microservices using NodeJs.

● Substantial experience in building complex and scalable solutions.

● Strong computer science fundamentals: data structures, algorithms, design patterns

● Strong experience and understanding of various APIS / Web Services and SQL/NoSQL databases

● Architected non-trivial solutions for a company at a scale

● Proficient in unit testing, writing mocks, automated functional tests, and end-end tests

● Experience with a variety of languages, stacks, and programming paradigms

● Capability to contribute across the web and mobile stacks

● Strong desire to drive change, and ability to adapt to change quickly

● The ability to independently lead problem-solving and build elegant, maintainable solutions to complex problems.

Good to Have

● Experience in building projects with TypeScript, ExpressJs, NextJS, ReactJs, Flutte,r etc.

● Experience with gRPC or GraphQL API implementations.

● Experience in any other programming languages such as Python/Go/Scala

● Experience with Kubernetes, Docker and

● Understanding the nature of asynchronous programming and its quirks and workarounds

● Good hand-on with data streaming technologies like Kafka

● Experience with cloud APIs (e.g., GCP, AWS, Azure)

● Understanding on information security and data privacy

● Experience in open-source development and contribution to open-source technology

Roles and Responsibilities :

● Write clean, reliable, reusable, scalable, testable and maintainable code.

● Produce best in class documentation, testing and monitoring

● Estimate effort, identify risks

● Mentor/coach other engineers in the team to facilitate their development and to provide technical leadership to them.

● Rise above details as and when needed to spot broader issues/trends and implications for the product/team as a whole

● Practice and promote craftsmanship in software engineering (coding, testing, code reviews, documentation, scalability, performance, etc.)

● Break down requirements, estimate tasks, and assist in planning roadmap accurately

● Develop iterative solutions to address expansive product goals

● Platformism components as libraries, utilities and promote reuse

● Be able to conceptualize and develop prototypes quickly

● Own large technical deliverables and execute in a structured manner.

● Take accountability for the overall health of the products you build and ensure predictability of the deliverables of your team 1

● Drive technical roadmap of the team in collaboration with Product and Business Teams.

Numadic is hiring a Fullstack Developer

We are Numads

Drawn to the unknown, we are new age nomads who seek to bring near what is far. We work as full stack humans, able to operate independently while enjoying the journey together. We see past the sandlines of clan and craft and value the unique and special talents of each. We think, we design, we code, we write, we share, we care and we ride together. We aim to live by our values of Humility, Collaboration and Transformation.

We undisrupt vehicle payments

To impact a highly fragmented v-commerce space, we aim to bring order to simplify & aggregate. We are a full stack v-commerce platform. We build the Network side of the products to achieve dense on-ground digital coverage by working with & aggregating different types of partners. Further help set the standards for scaling sustainably for the future. We also build the User side of the products to make road travel experience for our vehicle owners and drivers contactless and fully autonomous. 

About the role:

1. Meet both technical and consumer needs.
2. Design client-side and server-side architecture that can scale to thousands of end users.
3. Ensure cross-platform optimisation and responsiveness of applications.
4. Write and review technical documentation.
5. Diagnose and fix bugs and performance bottlenecks.
6. Maintain code and write automated tests to ensure the product is of the highest quality.
7. Create security and data protection processes.
8. Design and develop efficient APIs.
9. Ability to quickly adapt and migrate code to most current technologies.

Why is the opportunity exciting

We are a startup and provide an opportunity to be a part of a fast growing company. With full ownership, you will have the direct ability to make a difference and lead teams. You will work and learn from among a diverse group of Numads. You will solve first-to-market problems to be taken globally. We are based out of Goa and we offer a great opportunity to work from one of the most beautiful parts of India.

Role requirements:

1. 2+ years of proven experience working as a Fullstack Developer
2. Proficiency with multiple front-end languages and frameworks (e.g. HTML, CSS, JavaScript, React, React Native)
3. Knowledge of back-end languages (Node JS)
4. Knowledge of AWS, Firebase, GIT and CI/CD tools.
5. Hands-on experience with databases (e.g. Postgres, MongoDB).
6. Bias for action - ability to move quickly while taking time out to review the details.
7. Clear communicator - Ability to synthesise and clearly articulate complex information, highlighting key takeaways and actionable insights.
8. Team player - Working mostly autonomously, yet being a team player keeping your crews looped-in.
9. Education - Degree in Computer Science or relevant field or relevant experience.
10. Mindset - Ability to take responsibility for your life and that of your people and projects.
11. Mindfulness - Ability to maintain practices that keep you grounded.

Join Numadic

From the founders to our investors and advisors, what we share is a common respect for the value of human life and of meaningful relationships. We are full-stack humans, who work with full-stack humans and seek to do business with full-stack humans. We have turned down projects, when we found misalignment of values at the other end of the table. We do not believe that the customer is always right. We believe that all humans are equal and that the direction of the flow of money should not define the way people are treated. This is life at Numadic.

Innominds is likely looking to fill a Node.js Lead position based in Hyderabad, India. Here's a breakdown of the key details:

Job Title: Node.js Lead (Hyderabad)

Skills Required:

• Expertise in Node.js development
• Experience with Docker and Kubernetes
• Solid understanding of DevOps practices
• Experience with CI/CD pipelines
• Familiarity with Infrastructure as Code (IaC)
• Experience with NoSQL databases (MongoDB, Cassandra)
• Database optimization techniques

1. Must have Experience in React, Nodejs.
2. Experience with the CI Systems.
3. Experience with any of the Cloud Platforms Such as GCP,AWS.
4. Experience with Continuous Integration environments.
5. Experience in end-to-end testing frameworkS Like Puppeteer / Cypress / Protractor/ Other selenium testing framework.
6. Experience with JavaScript Unit Testing Frameworks Like Jest/Mocha.
7. Experience in TypeScript.

Company Profile:- https://www.hashstudioz.com/">https://www.hashstudioz.com/

Job description

• Working knowledge of React JS
• Working knowledge of Redux, ES6, and Webpack.
• Good knowledge of OOP development and design patterns.
• Experience in debugging the application.
• Experience in handling browser compatibility issues.
• Good to have a working knowledge of NodeJS, Express, MongoDB/SQL.
• Must have expertise in unit testing (Jasmine/Mocha/Karma/Jest).
• Working knowledge of HTML5 & CSS3.
• Working knowledge of any CSS preprocessor- SASS, LESS, Stylus
• Experience in integrating front-end code with server-side technology like MVC (good to have).
• Responsible for communication with the clients.
• Strong interpersonal and communication skills.

• Must have 3+ years of hands-on experience in web development using core PHP,Wordpress, CodeIgniter etc
• Must have hands-on experience in front-end using JavaScript (ES6+), HTML, CSS etc.
• Must have experience with design patters such as RESTful, AJAX, and jQuery
• Experience in building responsive web pages
• Proficient understanding of code versioning tools, such as Git
• Should have working knowledge of MySQL database system
• Should have basic programming skills using object-oriented programming (OOP) languages with in-depth knowledge of common APIs and data structures

• Write well designed, testable, efficient quality code.
• Ensure designs are in compliance with specifications.
• Developing and implementing strong algorithms/techniques for solving problems in a
• Frameworks are good, but you should be able to function without them.
• Test and deploy applications and systems.
• Revise, update, refactor, debug code and improve existing software.