Sr. Full-Stack Developer – MERN Stack + Python

Overview:

We're looking for a Full Stack Developer with strong backend expertise who can build,

manage, and scale AI-driven products end to end. You'll play a critical role in designing

scalable architectures, optimizing performance and cost, and building robust AI and agentic

systems.

Responsibilities

1. Architect and build scalable backend systems using FastAPI, PostgreSQL, and Redis.

2. Design, develop, and maintain AI-driven applications, integrating multiple LLMs, APIs,

and agentic frameworks.

3. Implement vector databases (pgvector, Qdrant, etc.) for RAG and AI memory systems.

4. Orchestrate multi-agent AI systems with LangChain/LangGraph, including function

calling, agent collaboration, and monitoring.

5. Build and integrate RESTful APIs for frontend and external use.

6. Manage DevOps workflows, including CI/CD, cloud deployments (AWS/GCP), server

scaling, and logging/monitoring (Sentry).

7. Optimize application cost, latency, and reliability, balancing speed with LLM call

efficiency and caching strategies.

8. Collaborate with product, design, and AI teams to translate business requirements into

high-performing tech.

9. Maintain documentation and ensure code quality with tests, reviews, and async-first

architecture.

10. Contribute to frontend development (React + TypeScript) when necessary, ensuring

seamless API integration and data visualization.

Requirements

Core Skills

• Strong proficiency in Python and FastAPI.

• Experience with PostgreSQL (including pgvector) and SQLAlchemy (async).

• Solid understanding of Redis, RQ (Redis Queue), and caching mechanisms.

• Proven experience integrating LLMs and AI APIs (OpenAI, Anthropic, etc.).

• Hands-on experience with LangChain / LangGraph, RAG pipelines, and agent

orchestration.

• Experience working with cloud platforms (AWS / GCP) and managing file storage (S3).

• Familiarity with frontend stacks (React, TypeScript, Tailwind, Zustand).

• Working knowledge of DevOps: Docker, CI/CD pipelines, deployment automation, and

observability tools (Sentry, Mixpanel, Clarity).

Bonus / Nice to Have

• Experience building agent monitoring dashboards or AI workflows.

• Prior experience in startup or product-based environments.

• Understanding of LLM cost optimization, token management, and function calling

orchestration.

• Familiarity with external API integrations like BrightData, Hunter.io, Adzuna, and Serper.

• Experience building scalable AI products (e.g., chatbots, AI copilots, data agents, or

automation tools).

Mindset

• Startup-ready: comfortable working in fast-paced, ambiguous environments.

• Deep curiosity about AI systems and automation.

• Strong sense of ownership and accountability for shipped products.

• Pragmatic and cost-conscious in architectural decisions.

• Excellent communication and documentation skills.

Job Title - MERN Stack Developer

Experience Range – 3 to 6 Years

Location- Mumbai (Andheri East)

Mode- 5 Days working from office

Some specific Requirements:

• You have prior experience developing and working on consumer-facing web/app products
• Hands-on experience in JavaScript. Exceptions can be made if you’re really good at any other language with experience in building web/app-based tech products
• Expertise in Node.JS and Experience in at least one of the following frameworks - Express.js, Koa.js, Socket.io .
• Good knowledge of async programming using Callbacks, Promises, and Async/Await
• Hands-on experience with Frontend codebases using HTML, CSS, and AJAX
• Working knowledge of MongoDB, Redis, MySQL
• Good understanding of Data Structures, Algorithms, and Operating Systems
• You've worked with AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
• Experience with Frontend Stack would be added advantage (HTML, CSS)
• You might not have experience with all the tools that we use but you can learn those given the guidance and resources
• Experience in Vue.js would be plus

Full Stack Developer responsible for managing back-end services and the interchange of data between the server and the users.

Your primary focus will be the development of all server side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the frontend elements built by your co-workers into the application. Therefore, a basic understanding of frontend technologies is necessary as well.

We are looking to recruit a candidate for a role that will require:

• Create and consume restful APIs
• Design, develop, and maintain internal and external applications
• Build efficient, testable, and reusable modules
• Write high quality, structured application/interface code and documentation
• Identify solutions through research and collaboration that resolves the root of problems as they arise
• Define functional and technical requirements for application software to develop skills and knowledge
• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
• Contribute in all phases of the development lifecycle

Requirement

∙ Proficient in Node.JS and ReactJS development stack

∙ 2+ years’ experience designing, querying, and updating databases in MySQL/nosql

∙ Basic understanding of web technologies including HTML, CSS, JavaScript, AJAX etc.

∙ Passion for best design and coding practices and a desire to develop new bold ideas

∙ Good to have knowledge of AWS, Redis, ElasticSearch

Education: Min. Graduate in related discipline

Work experience: 2 years relevant experience

We are looking for someone with a hacker mindset who is ready to pick up new problems and build full stack AI solutions for some of the biggest brands in the country and the world.

Job Title: Java Full Stack Developer

Experience: 6+ Years

Locations: Bangalore, Mumbai, Pune, Gurgaon

Work Mode: Hybrid

Notice Period: Immediate Joiners Preferred / Candidates Who Have Completed Their Notice Period

About the Role

We are looking for a highly skilled and experienced Java Full Stack Developer with a strong command over backend technologies and modern frontend frameworks. The ideal candidate will have deep experience with Java, ReactJS, and DevOps tools like Jenkins, Docker, and basic Kubernetes knowledge. You’ll be contributing to complex software solutions across industries, collaborating with cross-functional teams, and deploying production-grade systems in a cloud-native, CI/CD-driven environment.

Key Responsibilities

• Design and develop scalable web applications using Java (Spring Boot) and ReactJS
• Collaborate with UX/UI designers and backend developers to implement robust, efficient front-end interfaces
• Develop and maintain CI/CD pipelines using Jenkins, ensuring high-quality software delivery
• Containerize applications using Docker and ensure smooth deployment and orchestration using Kubernetes (basic level)
• Write clean, modular, and testable code and participate in code reviews
• Troubleshoot and resolve performance, reliability, and functional issues in production
• Work in Agile teams and participate in daily stand-ups, sprint planning, and retrospective meetings
• Ensure all security, compliance, and performance standards are met in the development lifecycle

Mandatory Skills

• Backend: Java, Spring Boot
• Frontend: ReactJS
• DevOps Tools: Jenkins, Docker
• Containers & Orchestration: Basic knowledge of Kubernetes
• Strong understanding of RESTful services and APIs
• Familiarity with Git and version control workflows
• Good understanding of SDLC, Agile/Scrum methodologies

1. Understanding of python backend development ,with Django ot flask frame work
2.  Design, build and maintain responsive front-end interfaces for applications
3. Collaborate with the rest of the engineering team to design and launch new features
4. Create REST APIs and integrating them with the frontend
5. Test software to ensure responsiveness and efficiency

• Work with product managers to find solutions to critical problems, face internal customers, and create requirements.
• Triage and fix critical issues that arise in the field that affect our core product.
• Manage git repositories, pull requests, and review code.
• Communicate properly & promptly with all stakeholders.
• Build a proof-of-concept for new products from scratch.
• Optimize, clean up, and comment on the existing codebase.

• Must have 5-8 years of hands-on engineering experience.
• Must be an expert in Javascript with ES6+ features, Node.js, ReactJS, and Redux
• Must be an expert in HTML5, CSS3, SASS, and Webpack.
• You are proficient with RESTful API design and implementation using Node.js.
• Proficiency in relational (MySQL, Cloud Spanner, etc.) and non-relational (MongoDB, Google Cloud Firestore, etc.) databases.
• Must be an expert in data structure and creating highly optimized algorithms.
• Should have a working knowledge of GCP services like App Engine, CloudSQL, Compute Engine, etc.
• Should have a working understanding of microservices patterns, serverless design, and event-based architecture.
• Willingness to learn new programming languages, frameworks, and paradigms.

What we offer

• A fast-paced environment to learn and grow. You’ll get opportunities to represent the company in events like Devoxx, Google Developer Days India, etc.
• Very high autonomy; freedom to take risks, to experiment, and to fail. You’ll collaborate with product managers and designers, data scientists and algorithm experts, even dairy farmers, to build exciting new features
• An opportunity to work on something that really matters. Check out the reviews for our app.
• Very high transparency.
• We pay top of the market with excellent benefits
• Personal CFO Services with IndMoney.
• Employee assistance program- Counselling and consultation services for work and home- life topic
• Group medical insurance family floater for Employees, spouses and kids

With millions of transactions each month, Animall is one of the world’s fastest-growing agritech companies. We continue to re-imagine and re-engineer the dairy ecosystem in India, and each team member will have significant ownership of the key components that go into this mission!

🗞 Animall in the News

https://youtu.be/4ZOO3uex1xA" target="_blank">https://youtu.be/4ZOO3uex1xA

https://www.techcircle.in/2021/07/14/animall-raises-14-mn-series-b-from-new-and-existing-investors">Animall raises $14 mn Series B from new and existing investors (techcircle.in)

Role Overview:

We are seeking an experienced Full-Stack Tech Lead with a strong background in PHP and Angular development to head a small technical team (~3 ppl). This tech lead job will have a large amount of time spent on coding.

General Requirements:

• An undergraduate or graduate degree in a relevant field
• 5+ years of experience in full-stack development

Key Technical Skills:

• Architecture: Expertise in design and implementation
• Front-End Development: Strong in Angular
• Back-End Development: Extensive experience in Node.js and PHP
• Databases: Strong in MySQL
• Version Control: Strong experience with Git
• Cloud: Strong experience with AWS

Soft Skills:

• Fluent in English
• Strong communication skills, both written and verbal
• Strong team player with the ability to work well in a group
• Comfortable with delegating tasks and ensuring the delivery of high-quality code from the entire team in a timely manner

• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, Statistics or a relevant field

• 5-7 years of relevant product design, development and testing experience
• Strong technical skills in java springboot/MVC frameworks, reactjS. API development, Cloud native solutions like lambda, azure functions is good to have.
• Database – primarily Mongo DB, Knowledge of postgres /MySQL is good to have
• DevOps - Knowledge of DevOps will be good to have
• API - Preferred experience with one of API gateway platform (Apigee, Mulesoft, Kong, WSO2)
• Good communication skills, with an ability to express and understand complex technical concepts.
• Strong analytical, problem-solving, and conceptual skills.
• Ability to work under pressure and meet tight deadlines.
• Experience of working with globally distributed teams.
• Innovative and Self learner for mentoring and problem resolutions.
• Ability to mentor and manage product teams