Fullstack Developer

Role Overview

We are looking for a hands-on engineering leader who can own technical design and drive end-to-end development of scalable, high-quality systems. This role requires strong architectural depth, coding excellence, and the ability to mentor engineers while building production-grade applications in a fast-paced agile environment.

You will lead by example — designing systems, writing clean code, solving complex problems, and ensuring engineering best practices across the stack.

Key Responsibilities

• Lead technical design and architecture discussions (HLD & LLD).
• Build scalable, modular, and testable systems with strong engineering fundamentals.
• Own complex features end-to-end — design, development, testing, and optimization.
• Write high-quality, production-ready code with strong unit test coverage.
• Ensure clean code practices (SOLID principles, modular design, reusability).
• Drive engineering quality within CI/CD environments.
• Debug and resolve complex issues across distributed systems and APIs.
• Mentor engineers and elevate overall code quality standards.
• Collaborate effectively within agile teams and move with delivery velocity.

Core Technical Requirements

• 8+ years of hands-on software development experience.
• Strong proficiency in:
• Java
• Node.js
• Angular (6+)
• JavaScript / TypeScript
• SQL & MongoDB
• Deep understanding of system design, architecture patterns, and scalable application development.
• Strong debugging capabilities across:
• Distributed services
• API integrations
• UI state management
• Database query performance
• Experience working in CI/CD-driven engineering environments.

GenAI & AI Stack Expertise

• Hands-on experience with GenAI frameworks and LLM integrations.
• Familiarity with:
• LangChain ecosystem
• Hugging Face
• Prompt chaining & orchestration
• Understanding of AI cost optimization strategies.
• Ability to debug AI pipelines and optimize model interactions.

Engineering Expectations

• Strong ownership mindset.
• Ability to design independently and lead technical direction.
• Exceptional problem-solving and debugging skills.
• High attention to detail.
• Comfortable working in fast-paced agile/scrum setups.
• Strong communication and collaboration skills.
• Ability to mentor and guide other engineers.

Educational Qualification

• Bachelor’s degree in Computer Science / Engineering / related field
• or
• Master’s degree in Computer Science / Computer Applications

Job Title : Software Development Engineer (Python, Django & FastAPI + React.js)

Experience : 2+ Years

Location : Nagpur / Remote (India)

Job Type : Full Time

Collaboration Hours : 11:00 AM – 7:00 PM IST

About the Role :

We are seeking a Software Development Engineer to join our growing team. The ideal candidate will have strong expertise in backend development with Python, Django, and FastAPI, as well as working knowledge of AWS.

While backend development is the primary focus, you should also be comfortable contributing to frontend development using JavaScript, TypeScript, and React.

Mandatory Skills : Python, Django, FastAPI, AWS, JavaScript/TypeScript, React, REST APIs, SQL/NoSQL.

Key Responsibilities :

• Design, develop, and maintain backend services using Python (Django / FastAPI).
• Deploy, scale, and manage applications on AWS cloud services.
• Collaborate with frontend developers and contribute to React (JS/TS) development when required.
• Write clean, efficient, and maintainable code following best practices.
• Ensure system performance, scalability, and security.
• Participate in the full software development lifecycle : planning, design, development, testing, and deployment.
• Work collaboratively with cross-functional teams to deliver high-quality solutions.

Requirements :

• Bachelor’s degree in Computer Science, Computer Engineering, or related field.
• 2+ years of professional software development experience.
• Strong proficiency in Python, with hands-on experience in Django and FastAPI.
• Practical experience with AWS cloud services.
• Basic proficiency in JavaScript, TypeScript, and React for frontend development.
• Solid understanding of REST APIs, databases (SQL/NoSQL), and software design principles.
• Familiarity with Git and collaborative workflows.
• Strong problem-solving ability and adaptability in a fast-paced environment.

Good to Have :

• Experience with Docker for containerization.
• Knowledge of CI/CD pipelines and DevOps practices.

Role & Responsibilities

As a Junior Full Stack Engineer at , you will work on product features end-to-end - from the data model to the pixel on the screen.

You will work alongside senior engineers, learn to bridge engineering and product, and contribute to translating complex business workflows into interfaces that enterprise teams actually use. You will own smaller features and grow into full vertical ownership over time.

• Work on product features end-to-end - complex configuration UIs, workflow builders, and operational dashboards for enterprise users
• Contribute to customer-facing surfaces - SDKs, embeddable flows, and APIs that directly shape how clients experience
• Learn and apply frontend architecture best practices - component structure, state management, performance optimisation, and accessibility
• Build backend APIs and data models under senior guidance - developing end-to-end ownership over time
• Debug issues across the full stack - learn to trace problems from symptom to root cause
• Collaborate with design, product, and customer success - hear feedback from real users and let it shape what you build
• Partner with the GenAI engineer to surface AI capabilities through clean, well-designed product interfaces
• Participate in code and design reviews to learn and grow

Ideal Candidate

• Strong Full Stack Engineer profiles
• Mandatory (Experience 1) – Must have 1+ years of hands-on full stack engineering experience (avoid frontend-heavy only profiles, backend heavy will work)
• Mandatory (Experience 2) – Must have strong backend engineering experience using Python, including designing and owning APIs, services, and data models in production environments
• Mandatory (Experience 3) – Must have strong frontend development experience using React (or equivalent), including component architecture, state management, and building production-grade user interfaces
• Mandatory (Experience 4) – Must have end-to-end ownership experience, building and shipping features across the full stack (UI + API + database) without clear handoff boundaries
• Mandatory (Experience 5) – Must have strong web fundamentals, including understanding of browser rendering, performance optimization, and accessibility best practices
• Mandatory (Experience 6) – Must be able to demonstrate solving complex problems on both frontend and backend, clearly articulating trade-offs, decisions, and outcomes
• Mandatory (Experience 7) – Must have solid experience with databases (SQL/NoSQL), including schema design, query optimization, and handling performance bottlenecks
• Mandatory (Company) - Top Product Companies, (preferred early-stage startups with Seed to Series C/D with fast-paced shipping culture)
• Mandatory (Education) - Tier-1 institutes (IITs, BITS, IIITs), Can be skipped if from Top notch product companies
• Preferred (Skill 1) – Strong proficiency in TypeScript, with experience in type-safe architecture and scalable frontend/backend systems
• Preferred (Skill 2) – Experience with testing frameworks such as Cypress / Playwright and strong unit testing practices
• Preferred (Skill 3) – Experience working with cloud platforms (AWS preferred)

Job Description

Position -   Full stack Developer

Location - Mumbai

    Experience - 2-5 Years 

Who are we

Based out of IIT Bombay, HaystackAnalytics is a HealthTech company creating clinical genomics products, which enable diagnostic labs and hospitals to offer accurate and personalized diagnostics. Supported by India's most respected science agencies (DST, BIRAC, DBT), we created and launched a portfolio of products to offer genomics in infectious diseases. Our genomics based diagnostic solution for Tuberculosis was recognized as one of top innovations supported by BIRAC in the past 10 years, and was launched by the Prime Minister of India in the BIRAC Showcase event in Delhi, 2022.

Objectives of this Role:

• Work across the full stack, building highly scalable distributed solutions that enable positive user experiences and measurable business growth
• Ideate and develop new product features in collaboration with domain experts in healthcare and genomics 
• Develop state of the art enterprise standard front-end and backend services
• Develop cloud platform services based on container orchestration platform 
• Continuously embrace automation  for repetitive tasks
• Ensure application performance, uptime, and scale, maintaining high standards of code quality  by using clean coding principles and solid design patterns 
• Build robust tech modules  that are Unit Testable, Automating recurring tasks and processes  
• Engage effectively with team members and collaborate to upskill and unblock each other

Frontend Skills 

• HTML 5  
• CSS framework  (  LESS/ SASS / Tailwind ) 
• Es6 / Typescript 
• Electron app /Tauri)
• Component library  ( Bootstrap , material UI, Lit ) 
• Responsive web layout ( Flex layout , Grid layout ) 
• Package manager --> yarn-/ npm / turbo
• Build tools - > (Vite/Webpack/Parcel)
• Frameworks -- > React  with Redux of Mobx / Next JS
• Design patterns 
• Testing - JEST / MOCHA / JASMINE / Cypress)
• Functional  Programming concepts  
• Scripting  ( powershell , bash , python )

Backend Skills 

• Nodejs - Express / NEST JS 
• Python /  Rust
• REST API 
• SOLID Design Principles
• Database (postgresql / mysql / redis /  cassandra / mongodb ) 
• Caching  ( Redis ) 
• Container Technology  ( Docker / Kubernetes )  
• Cloud ( azure , aws , openshift, google cloud) 
• Version  Control - GIT 
• GITOPS 
• Automation ( terraform , ansible ) 

Cloud  Skills 

• Object storage
• VPC   concepts 
• Containerize Deployment
• Serverless architecture 

Other  Skills 

• Innovation and thought leadership
• UI - UX design skills  
• Interest in in learning new tools, languages, workflows, and philosophies to grow
• Communication 

To know more about us- https://haystackanalytics.in/

Nature of Work:

This being an advanced level position in the S/W development team the individual is expected to:
Participate as a team member in all phases of the S/W lifecycle, including the analysis and design of S/W systems.

Participate in a detailed level of coding, code walk – through and unit testing of S/W modules.
Participate in integrated testing of product/ package.

Participate in difficult and typical coding assignments with responsibility of a small module consisting of 3 – 5 members.

Participate in exploration/ feasibility study of products.
Have a thorough understanding of the assigned product/ project.

Participate in generating technical documentation of products/ packages.

Providing technical training to the juniors.
Manage allocated resources, keep compliance with discipline and decorum of the organization.

Keep compliance with Systems and Procedures.

Reports to:

Project Manager
Skill Set:
Thorough knowledge of current technological trends in Web based Software 

Strong Working knowledge of JSF/JSP, Servlets, Spring, Web application development and Core Java

• Working knowledge of working with databases using EJB.
• Knowledge of Bug Tracking tool such as Jira, Bugzilla and source code version control systems (SVN, GIT)
• Knowledge of working in Scrum methodology.
• Good to have knowledge of SonarQube and Web Security Aspects.
• Knowledge of Responsive Front End Development using HTML5, JavaScript, CSS3, JQuery, Ajax and JSON.
• Should be able to write test cases for the feature.
• Ability to gather and analyze data & draw logical conclusions

∙         Understanding of company’s vision & goals, business operations

and market

∙         Clear and concise oral and written communication skills

∙         Ability to establish and maintain effective work relationships at

all levels

∙         Great passion for S/W development.

∙         Ability to mentor and guide the juniors.

Office Address:

Tech Mahindra Ltd

• 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