AI Full Stack Developer

Key Responsibilities

·        Develop and maintain full-stack applications using MongoDB, Express.js, React (Next.js), and Node.js

·        Build performant and scalable frontend applications using Next.js

·        Write clean, type-safe, and maintainable code using TypeScript

·        Design and implement robust RESTful APIs

·        Optimize applications for performance, SEO, and scalability

·        Collaborate with design, product, and QA teams

·        Debug, troubleshoot, and enhance existing systems

·        Utilize AI tools to improve development efficiency and workflows

Required Skills

·        Strong proficiency in JavaScript (ES6+) and TypeScript

·        Hands-on experience with:

·                    React.js & Next.js (SSR, SSG, routing, performance optimization)

·                    Node.js & Express.js

·                    MongoDB

·        Strong understanding of API development and integration

·        Experience with Git version control

·        Knowledge of responsive design and cross-browser compatibility

·        Experience building production-grade applications

AI Tool Expertise (Mandatory)

·        Experience using tools like ChatGPT, GitHub Copilot, Cursor or similar

·        Ability to:

o   Generate, optimize, and debug code using AI tools

o   Improve development speed and productivity

·        Strong ability to review and validate AI-generated code

·        Basic understanding of prompt engineering for development tasks

Job Details

- Job Title: Director of Engineering

- Industry: SAAS

- Function – Information Technology

- Experience Required: 9-14 years

- Working Days: 6 days

- Employment Type: Full Time

- Job Location: Bangalore

- CTC Range: Best in Industry

Preferred Skills: TypeScript, AWS, NodeJS, mongodb, React.js, WebGL, Three.js, AI/ML, Docker,nKubernetes

Criteria

Candidate must be having 9+ years of engineering experience, with 3u20134 years in technical leadership

Hands-on expertise with React/Next.js, Node.js/Python, and AWS.

Ability to design scalable architectures for high-performance systems.

Should have AI/ML deployment experience

Strong 3D graphics/WebGL/Three.js knowledge.

Candidates should be from SAAS/Software/IT Services based startups or scaleup companies only

Job Description

The Role:

Company is hiring a hands-on Director of Engineering who codes, architects systems, and builds teams. You’ll set the technical foundation, drive engineering excellence, and own the architecture of our AI, 3D, and XR platform.

This is not a pure management role - expect to spend 50–60% of your time writing code, solving deep technical problems, and owning mission-critical systems. As we scale, this role transitions into CTO, taking full ownership of technical vision and long-term strategy. 

What You’ll Own:

1. Technical Leadership & Architecture

● Architect company’s full-stack platform across frontend, backend, infrastructure, and AI.

● Scale core systems: VersaAI engine, rendering pipeline, AR deployment, analytics.

● Make decisions on stack, scalability patterns, architecture, and technical debt.

● Own design for high-performance 3D asset processing, real-time rendering, and ML deployment.

● Lead architectural discussions, design reviews, and set engineering standards.

2. Hands-On Development

● Write production-grade code across frontend, backend, APIs, and cloud infra.

● Build critical features and core system components independently.

● Debug complex systems and optimize performance end-to-end.

● Implement and optimize AI/ML pipelines for 3D generation, CV, and recognition.

● Build scalable backend services for large-scale asset processing and real-time pipelines.

● Develop WebGL/Three.js rendering and AR workflows.

3. Team Building & Engineering Management

● Hire and grow a team of 5–8 engineers initially (scaling to 15–20).

● Establish engineering culture, values, and best practices.

● Build career frameworks, performance systems, and growth plans.

● Conduct 1:1s, mentor engineers, and drive continuous improvement.

● Set up processes for agile execution, deployments, and incident response.

4. Product & Cross-Functional Collaboration

● Work with the founder and product team on roadmap, feasibility, and prioritization.

● Translate product requirements into technical execution plans.

● Collaborate with design for UX quality and technical alignment.

● Support sales and customer success with integrations and technical discussions.

● Contribute technical inputs to product strategy and customer-facing initiatives.

5. Engineering Operations & Infrastructure

● Own CI/CD, testing frameworks, deployments, and automation.

● Create monitoring, logging, and alerting setups for reliability.

● Manage AWS infrastructure with a focus on cost and performance.

● Build internal tools, documentation, and developer workflows.

● Ensure enterprise-grade security, compliance, and reliability.

Tech Stack:

1. Frontend

React.js, Next.js, TypeScript, WebGL, Three.js

2. Backend

Node.js, Python, Express/FastAPI, REST, GraphQL

3. AI/ML

PyTorch, TensorFlow, CV models, Stable Diffusion, LLMs, ML pipelines

4. 3D & Graphics

Three.js, WebGL, Babylon.js, glTF, USDZ, rendering optimization

5. Databases

PostgreSQL, MongoDB, Redis, vector databases

6. Cloud & Infra

AWS (EC2, S3, Lambda, SageMaker), Docker, Kubernetes CI/CD: GitHub Actions

Monitoring: Datadog, Sentry

What We’re Looking For:

1. Must-Haves

● 9+ years of engineering experience, with 3–4 years in technical leadership.

● Deep full-stack experience with strong system design fundamentals.

● Proven success building products from 0→1 in fast-paced environments.

● Hands-on expertise with React/Next.js, Node.js/Python, and AWS.

● Ability to design scalable architectures for high-performance systems.

● Strong people leadership with experience hiring and mentoring teams.

● Ready to code, review, design, and lead from the front.

● Startup mindset: fast execution, problem-solving, ownership.

2. Highly Desirable

● AI/ML deployment experience (CV, generative AI, 3D reconstruction).

● Strong 3D graphics/WebGL/Three.js knowledge.

● Experience with real-time systems, rendering optimizations, or large-scale pipelines.

● Background in B2B SaaS, XR, gaming, or immersive tech.

● Experience scaling engineering teams from 5 → 20+.

● Open-source contributions or technical content creation.

● Experience working closely with founders or executive leadership.

Why Company:

● Hard, meaningful engineering problems at the intersection of AI, 3D, XR, and web tech.

● Build from day zero – architecture, team, and culture.

● Path to CTO as the company scales.

● High autonomy to drive technical decisions.

● Direct founder collaboration on product vision.

● High ownership, high-growth environment.

● Backed by global leaders: Microsoft, Google, NVIDIA, AWS.

Location & Work Culture:

● Location: HSR Layout, Bengaluru

● Schedule: 6 days a week, (5 days-in-office, Saturdays WFH)

● Culture: High-intensity, high-integrity, engineering-first

● Team: Young, ambitious, technically strong

Role Overview

We are looking for a Senior Full Stack Developer to build and scale our fintech platform. You will own the entire lifecycle of our financial products, from designing high-performance relational schemas in PostgreSQL to building interactive dashboards in React.

Key Responsibilities

• Full Stack Development: Build and maintain end-to-end features using the PERN stack

(PostgreSQL, Express.js, React, Node.js).

• Database Optimization: Design complex relational models and optimize SQL queries to

handle high-volume financial data and audit trails.

• Security & Compliance: Implement rigorous security measures (e.g., JWT, OAuth, data

encryption) and ensure the platform adheres to fintech standards like PCI-DSS.

• API Architecture: Develop robust RESTful APIs to integrate with third-party banking APIs,

payment processors (Stripe/Plaid), and KYC providers.

Technical Requirements

• Front-end: Advanced proficiency in React.js (Hooks, Context API, Redux or TanStack Query)

and modern CSS (Tailwind/Styled Components).

• Back-end: Expert-level Node.js and Express.js experience, with a focus on asynchronous

programming and secure API design.

• Database: Deep knowledge of PostgreSQL (complex joins, indexing, triggers, and

migrations).

Additional skills

• Understanding of Event-Driven Architecture (using AWS SQS/SNS or Kafka).

• Familiarity with SOC2 or ISO 27001 compliance frameworks.

• Cloud (AWS): Proven experience with:

• RDS/Aurora for managed databases.
• IAM for secure access management.
• AWS Lambda & API Gateway for serverless architecture.
• CloudWatch for monitoring and alerting.

• Tools: Git, Docker, and experience with CI/CD workflows.

About US

RJ Fintech Solutions Pvt. Ltd. is a high-growth fintech startup on a mission to automate business financial operations. In a world where financial systems are often slow and opaque, we are building the "missing link"—a secure, transparent, and lightning-fast platform that puts banking and compliance first for various corporates.

We are not just another financial app; we are an engineering-first company. We believe that elegant code and robust architecture are the foundations of trust. By leveraging the PERN stack and AWS cloud-native infrastructure, we are replacing legacy complexity with modern, scalable solutions.

Why Work With Us?

1. Build the Foundation, Not Just Features

You won't be a small cog in a massive machine. As an early member of our engineering team, you will help define our technical architecture, choose our libraries, and set the coding standards for everyone who follows. Your fingerprints will be on the core DNA of our product.

2. Solve Problems That Matter

Fintech is one of the few industries where code has a direct, measurable impact on people's lives.

Whether we are [e.g., simplifying cross-border payments, democratizing investment, or building the next generation of credit], you will be solving high-stakes challenges around security, trust, and financial inclusion.

Key Responsibilities

AI Architecture & Solution Design

• Design end-to-end AI solution architectures, including:
• Generative AI and LLM-based systems
• Retrieval-Augmented Generation (RAG) pipelines
• Agentic and multi-agent workflows
• Define reference architectures and best practices for AI-enabled features within enterprise products.
• Ensure AI solutions integrate seamlessly with existing applications, data, and cloud architectures.

AI Integration & MCP Servers

• Design and implement Model Context Protocol (MCP) servers to securely expose tools, APIs, and data to AI agents.
• Define standards for tool interfaces, access control, auditing, and safety guardrails.
• Enable product teams to onboard AI tools and capabilities using reusable, scalable integration patterns.

Agentic AI & Workflow Enablement

• Architect AI-driven workflows that support collaboration between humans and AI agents.
• Design AI-to-AI (A2A) and AI-to-system interaction patterns.
• Ensure agent behaviors are deterministic, explainable, and aligned with enterprise requirements.

Hands-On Development & Prototyping

• Build proofs-of-concept and production-ready implementations using Python and/or TypeScript.
• Rapidly validate ideas from ideation to deployment.
• Establish reusable frameworks, libraries, and CI/CD pipelines for AI development.

AI Governance, Quality & Safety

• Implement guardrails to minimize hallucinations, unsafe actions, and data leakage.
• Define evaluation and monitoring strategies for AI systems, including prompt regression and RAG accuracy checks.
• Ensure AI solutions comply with enterprise security, privacy, and governance standards.

Developer Enablement & Collaboration

• Partner with Product, Engineering, QE, Performance, and Security teams to deliver AI capabilities.
• Mentor teams on AI design patterns, tooling, and best practices.
• Contribute to internal AI communities through demos, documentation, and knowledge sharing.

Qualifications :

Required Qualifications

• Bachelor’s degree in computer science, Engineering, or a related technical field, or equivalent practical experience.
• Demonstrated expertise in cloud‑native system design, distributed architectures, and enterprise‑scale integrations.
• Proven ability to architect and implement AI-enabled systems, including integrating Large Language Models (LLMs) into production-grade software.
• Strong ownership of architectural decisions, technical direction, and solution delivery across complex, cross-functional initiatives.
• Hands-on experience applying security, observability, and automation best practices within enterprise environments.
• 6–10 years of experience in software architecture and distributed systems.
• 5+ years of experience building Generative AI or LLM-based solutions.
• Practical experience designing and implementing:
• Retrieval-Augmented Generation (RAG) architectures
• Agentic AI systems
• Tool-calling frameworks and AI integration layers
• Proficiency in Python and/or .Net/TypeScript/Node.js.
• Experience working with major cloud platforms such as Azure, AWS, or Google Cloud Platform (GCP).

Preferred Qualifications

• Experience with OpenAI, Azure OpenAI, Anthropic, or similar LLM platforms.
• Familiarity with Model Context Protocol (MCP) or equivalent AI tool-integration frameworks.
• Experience applying AI engineering practices beyond prototyping, including evaluation, reliability, and scalability considerations.
• Ability to translate ambiguous business problems into clear technical architecture and execution plans.
• History of influencing technical standards and mentoring senior engineers or architects.
• Experience with vector databases, embeddings, and retrieval optimisation.
• Experience building AI-enabled developer tooling and CI/CD pipelines.
• Prior experience in enterprise SaaS environments.

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.

Preferring candidates from Ahmedabad / Bangalore specifically!

Thence is searching for a highly skilled and motivated individual who is enterprising and eager to make a significant impact in the service space by enabling exceptional products. The ideal candidate should have a robust technical background, outstanding leadership skills, and a proven track record of managing complex technical projects. Moreover, this role includes consideration for a Partner role after completing one year with Thence, accompanied by sizeable equity.

Reporting directly to the COO, you will have the opportunity to shape the direction of the company's growth by delivering digital products to clients across various verticals like healthcare, hospitality, manufacturing, etc.

If you are a motivated individual with a passion for driving business growth and creating lasting client partnerships, we encourage you to apply for this exciting opportunity to join our dynamic team at Thence.

Duties & Responsibilities

• Developing digital products, applications and minimum viable product (MVP), including defining the overall architecture and system design to meet business requirements.
• Enabling our client to select the appropriate technology stack, considering factors such as scalability, performance, security and maintainability.
• Designing and configuring the infrastructure to support the software application.
• Choosing the development toolkit, frameworks and libraries best suited based on business and project's needs.
• Crafting and executing database designs, ensuring data integrity, performance and scalability.
• Enhancing and optimising application architecture to improve efficiency, reliability, and scalability.
• Ensuring application scalability to handle increased user loads and data volumes effectively.
• Upholding quality assurance standards through code reviews, testing and continuous integration practices.
• Ensuring IP security by implementing robust authentication, authorisation and encryption mechanisms.
• Exploring and integrating new technologies to enhance the software's capabilities and keep it up-to-date with industry trends.
• Developing the startup's strategic resource allocation plan, including budgeting for technology investments and staffing needs.
• Ensuring efficient utilisation of technologies by optimising resource allocation and minimising waste.
• Assessing and integrating new systems and infrastructure to support the evolving needs of the organization.
• Deliver digital products to clients across various verticals, including healthcare, Fintech, hospitality, manufacturing, etc.
• Building, attracting and mentoring talented developers to foster a culture of learning, innovation and collaboration within the team.
• Collaborating closely with the sales team to ensure effective communication and strategic positioning of technology solutions, while continuously refining sales pitch strategies based on feedback and market trends to maximize success rates and drive revenue growth.
• Defining, managing and evaluating team members based on goals and performance metrics, providing status updates to the leadership team on a bi-weekly basis.
• Identifying process gaps and development inefficiencies within the organisation and defining and driving Standard Operating Procedures (SOPs) to address these gaps effectively.
• Generate business opportunities from existing clients and collaborate with the business team to convert new business.
• Work towards achieving annual and quarterly revenue targets.

Skills Required

• Strong business acumen, with the ability to make strategic decisions and take ownership of account growth, revenue and outcomes.
• Strong technical background with experience in managing complex technical projects encompassing diverse realms such as Web, Mobile, Applications (Apps), Augmented Reality/Virtual Reality (AR/VR), Artificial Intelligence (AI), and Machine Learning (ML).
• Extensive experience in establishing and refining processes and Standard Operating Procedures (SOPs) aimed at measuring and enhancing the quality and efficiency of development capabilities. This includes implementing frameworks to assess performance metrics, optimise workflows and drive continuous improvement across the development lifecycle.
• Excellent leadership skills and the ability to inspire and motivate teams.
• Proven track record of driving business growth and creating lasting client partnerships.
• Enterprising and adept at handling clients effectively.

Qualifications

The ideal candidate will be an inspiring and confident team player with:

• Bachelor's or Master's degree in Computer Science, Engineering or related field and/or significant relevant work experience
• Minimum of 4+ years of proven agency experience in software development projects.
• Experience in leading a team of highly skilled developers, engineers, and testers
• working on multiple client projects
• Experience managing products and projects, and delivering large scale technical solutions on time and on budget
• Excellent communication, interpersonal, and negotiation skills, with a track record of managing stakeholder expectations effectively.
• Familiarity with Agile methodologies and project management tools
• Experience with cloud-based technologies and infrastructure, microservices, and serverless architecture

Additional Opportunities:

After completing one year with Thence, high-performing individuals will be considered for a Partner role, with the potential for substantial equity ownership in the company.

Job Description:

We are looking for a talented Full Stack Developer with a strong background in Node.js, React.js, and AWS to contribute to the development and maintenance of our web applications. As a Full Stack Developer, you will work closely with cross-functional teams to design, develop, and deploy scalable and high-performance software solutions.

Responsibilities:

Collaborate with product managers and designers to translate requirements into technical specifications and deliver high-quality software solutions.

Develop and maintain web applications using Node.js and React.js frameworks.

Write clean, efficient, and well-documented code to ensure the reliability and maintainability of the software.

Implement responsive user interfaces, ensuring a seamless user experience across different devices and platforms.

Integrate third-party APIs and services to enhance application functionality.

Design and optimize databases to ensure efficient data storage and retrieval.

Deploy and manage applications on AWS cloud infrastructure, utilizing services such as EC2, S3, Lambda, and API Gateway.

Monitor and troubleshoot application performance, identify and resolve issues proactively.

Conduct code reviews to maintain code quality standards and provide constructive feedback to team members.

Stay up to date with the latest trends and best practices in web development and cloud technologies.

Requirements:

Proven experience as a Full Stack Developer, working with Node.js and React.js in a professional setting.

Strong proficiency in JavaScript and familiarity with modern front-end frameworks and libraries.

Experience with AWS services, such as EC2, S3, Lambda, API Gateway, and CloudFormation.

Knowledge of database systems, both SQL and NoSQL, and the ability to design efficient data models.

Familiarity with version control systems (e.g., Git) and agile development methodologies.

Ability to write clean, efficient, and well-documented code, following best practices and coding standards.

Strong problem-solving skills and the ability to work effectively in a fast-paced environment.

Excellent communication and collaboration skills, with the ability to work well in a team.

JD-

• Experience in C# ASP.NET + MVC + Entity Framework development

• Experience in JavaScript and jQuery

• Experience in Web Services and third party API Integrations

• Experience in SQL Server databases

Responsibilities

• Design, code, test, and manage various applications

• Collaborate with the engineering team and product team

• Follow outlined standards of quality related to code and systems

• Deploy tested code to the production environment

Srijan is hiring for the position of Senior JavaScript Developer (React & Node)

with a remote working option.

Skills Required:

• Minimum 3-5 years of experience as a Front-end Developer

• Possess Responsive/Mobile Design Skills

• Knowledge of Cross-Browser Development

• Knowledge of JavaScript frameworks like NodeJS, ReactJS etc.

• Worked on Front End Frameworks like Bootstrap

• Worked on markup languages like HTML, HTML5

• Worked on JavaScript, CSS, and jQuery

• Excellent knowledge of browser troubleshooting and debugging practices and techniques

• Knowledge of some SEO principles

• Knowledge of graphics software such as Adobe Suite, Photoshop, etc.

• Sense of ownership and pride in your performance and its impact on the company’s success

• Critical thinker and problem-solving skills

• Team player

• Good time-management skills

• Good interpersonal and communication skills

We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full Stack Developer will responsible for developing and designing front end web architecture, ensuring the responsiveness of applications and working alongside graphic designers for web design features, among other duties.Full Stack Developer will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

Responsibilities

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Qualifications

• Bachelor's degree
• 1-5 years of experience in programming
• Strong communication, conceptual thinking, typography skills and design skills
• Portfolio of work