MEAN stack Developer

Job Description:

We are looking for a skilled Python Full Stack Developer with strong experience in React or Angular to join our team in Bangalore. The ideal candidate should be hands-on, proactive, and able to work in a fast-paced environment.

Key Responsibilities:

• Develop, test, and maintain backend services using Python (Django / Flask / FastAPI)
• Build responsive and scalable front-end applications using React or Angular
• Integrate frontend components with backend APIs
• Write clean, reusable, and efficient code
• Participate in code reviews and follow best development practices
• Collaborate with cross-functional teams to deliver high-quality solutions
• Debug and resolve application issues and performance bottlenecks

Required Skills:

• 3+ years of experience in Python development
• Strong experience in React or Angular
• Proficiency in HTML, CSS, JavaScript
• Experience with RESTful APIs
• Knowledge of SQL/NoSQL databases
• Familiarity with Git version control
• Understanding of SDLC and Agile methodologies

Good to Have:

• Experience with cloud platforms (AWS/Azure/GCP)
• Knowledge of Docker or CI/CD pipelines
• Exposure to microservices architecture

Preferred Candidate:

• Immediate joiner or short notice period
• Strong problem-solving and communication skills
• Willing to work from Bangalore location

Position – Python Developer

Location – Navi Mumbai

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 the 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:

• Design and implement efficient, scalable backend services using Python.
• Work closely with healthcare domain experts to create innovative and accurate diagnostics solutions.
• Build APIs, services, and scripts to support data processing pipelines and front-end applications.
• Automate recurring tasks and ensure robust integration with cloud services.
• Maintain high standards of software quality and performance using clean coding principles and testing practices.
• Collaborate within the team to upskill and unblock each other for faster and better outcomes.

Primary Skills – Python Development

• Proficient in Python 3 and its ecosystem
• Frameworks: Flask / Django / FastAPI
• RESTful API development
• Understanding of OOPs and SOLID design principles
• Asynchronous programming (asyncio, aiohttp)
• Experience with task queues (Celery, RQ)

Database & Storage

• Relational Databases: PostgreSQL / MySQL
• NoSQL: MongoDB / Redis / Cassandra
• ORM Tools: SQLAlchemy / Django ORM

Testing & Automation

• Unit Testing: PyTest / unittest
• Automation tools: Ansible / Terraform (good to have)
• CI/CD pipelines

DevOps & Cloud

• Docker, Kubernetes (basic knowledge expected)
• Cloud platforms: AWS / Azure / GCP
• GIT and GitOps workflows
• Familiarity with containerized deployment & serverless architecture

Bonus Skills

• Data handling libraries: Pandas / NumPy
• Experience with scripting: Bash / PowerShell
• Functional programming concepts
• Familiarity with front-end integration (REST API usage, JSON handling)

 Other Skills

• Innovation and thought leadership
• Interest in learning new tools, languages, workflows
• Strong communication and collaboration skills
• Basic understanding of UI/UX principles

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

Job Summary:

We are seeking a skilled MERN Stack Developer to join our dynamic development team. The ideal candidate will have hands-on experience in building modern web applications using MongoDB, Express.js, React.js, and Node.js. You will be responsible for designing and developing scalable, high-performance web applications and collaborating with cross-functional teams to deliver top-tier solutions.

Key Responsibilities:

• Develop and maintain responsive web applications using the MERN stack.
• Design, build, and maintain RESTful APIs and integrate third-party services.
• Collaborate with UI/UX designers, product managers, and other developers to deliver seamless user experiences.
• Optimize applications for performance and scalability.
• Write clean, maintainable, and efficient code.
• Participate in code reviews and provide constructive feedback.
• Debug and troubleshoot issues across the full stack.
• Implement security and data protection best practices.

SleekSky is a fast-growing engineering studio that partners with venture-backed product teams to ship modern, cloud-native software. We’re hiring a Software Engineer to join one of our health-tech clients and help build a scalable, user-centric platform that’s making a real-world impact—without revealing any confidential project details.

What you’ll do

• Build and ship production-ready React features that feel fast, accessible and polished.
• Design and maintain Node.js / Express APIs that are clean, secure and well-documented.
• Leverage AWS services (EC2, Lambda, Elastic Cache / Redis, load balancers, etc.) to deliver reliable, high-performance solutions.
• Automate CI/CD pipelines with GitHub Actions and uphold strong Git workflows.
• Collaborate in an agile, fully remote team that values code reviews, knowledge-sharing and continuous improvement.
• Champion engineering best practices—testing, monitoring, and infrastructure-as-code—while keeping an eye on new tech that can raise the bar.

What you’ll bring

• 2+ years of hands-on experience in full-stack development.
• Proven expertise with React (hooks, component architecture, state management) and modern JavaScript/TypeScript.
• Solid experience building RESTful services in Node.js with Express (or similar).
• Familiarity with AWS fundamentals (EC2, Lambda, load balancing, caching layers).
• Comfortable with Git, GitHub and automated CI/CD pipelines (e.g., GitHub Actions).
• Self-motivated, proactive and enthusiastic about learning new technologies and sharing knowledge with the team.
• Clear, concise communication skills—vital for an all-remote environment.

Nice-to-haves

• Experience with infrastructure-as-code (Terraform, CloudFormation, CDK).
• Exposure to containerisation (Docker, ECS, EKS) or serverless architecture patterns.
• Prior work in health-tech or other regulated domains.

Why SleekSky?

At SleekSky, you’ll join a culture that puts people first—pair programming, regular knowledge-sharing sessions and a genuine passion for building things the right way. Expect autonomy, trust and a runway to grow your craft alongside enthusiastic peers.

Ready to level up with SleekSky? Submit your résumé on your preferred hiring portal and we’ll be in touch right away.

Required Skills 

1) Good experience in AngularJs or Angular 9+ Version 

2) Hand on Node.JS./Express JS 

3) Database : MYSQL/MongoDB 

4) Experience in Java Script, Typescript. 

5)Good experience in HTML5, CSS3, JavaScript, Jquery 

6) Experience working in an Agile environment. 

7) Good communication skills.

• 2 - 6 years of software development experience in a professional environment
• 2.5 - 3 years of relevant experience in Node.js
• Experience in Android applications, directives, services etc.,
• Experience with Bootstrap 4.x+ (or internal framework)
• Experience in CSS3, HTML5, JavaScript, Typescript
• Able to integrate and use external (open source) libraries
• Develop high-performance and scalable APIs to serve clients.
• Experience in the creation of scalable RESTful APIs
• Experience in writing reusable, testable and efficient code.
• Collaborate with front-end developers on the integration of well-written APIs.
• Excellent verbal and written communications, ability to learn quickly and a willingness to work and add value to the team
• Experience with backend languages (e.g., Java) and JavaScript frameworks (e.g., Android, Node.js)
• Familiarity with databases (e.g., MySQL, MongoDB), web servers (e.g. Apache) and UIUX design
• Experience in the creation of scalable RESTful APIs
• Writing reusable, testable, and efficient code
• Knowledge of containers and Kubernetes
• Good to know cloud technologies like AWS Google Cloud Azure, etc

Must have extensive and in-depth knowledge and experience in developing APIs in NodeJS, HTML5/CSS/Javascript, MongoDB, Git, production application deployments. And optionally ReactJS Components/Websites/UI/UX, Redux etc.

Cloud infra management

AWS SDK, Google Maps SDK

Elastic Search engine

Mocha or any testing framework

Continuous delivery

Redis, ExpressJS, Apollo Client, PubSub

Responsibilities

Development of web applications and modules

Drafting ReactJS front ends components based on provided mock-ups.

Architecting database and REST/GraphQL APIs for front end.

Integrating multiple 3rd party SDKs including but not limited to AWS, Messagebird, Twilio, Lalamove, Google Maps etc.

Write and execute unit tests

Bug fixes, support and enhancements

UAT and Production deployments

Performance optimizations and app security implementations

Cloud infra management

Backup plans and risk mitigation techniques implementation

Full Stack Developer

PiNimbus is a product engineering and niche technology service provider. We help businesses of different sizes ranging from budding start-ups to large conglomerates with our services and end-to-end solutions.

We are looking for hands-on full stack developer for a challenging and fun filled work of building a workflow automation system for simplifying current manual work.

You will become a part of a dynamic team that is collaborative, cross functional, fast-paced and work hand-in-hand with other developers and product managers. We value long term relationships, growth and well-being of our people and we value our people more than anything.

Roles and Responsibilities:

In this role, you will be creating and supporting Internet scale applications and features using distributed architecture, using a variety of current and new technologies that support the ecosystem such as: React, RXJS, node.js, dynamodb, lambda, mysql, to name a few. In this dynamic role, you will be responsible for the following: 

• Work in an agile environment.
• You will design, develop, write tests, and build applications and features spanning multiple layers - front-end, microservices, serveless, database, messaging queues, workflow system.
• Build Microservices, APIs and service workers.
• Provide thought leadership and propose high performing solutions.
• Refactor and enhance the applications to improve performance and maintainability. 
• Ensure application content and developed code complies with design standards, coding standards, practices and approaches. 
• Continuously address tech debt in the code.
• Work as a team to develop optimal solutions that meet customers and business needs. 
• Support testing, deployment, and monitoring of applications. 
• Unit test, Automate, and take pride and responsibility for the Quality of the work you develop and deliver.

Must have skills:

7+ or more years of demonstrable development experience building software that provides the user with a complete, delightful experience. 

• Understanding of and experience in using RESTful Services and messaging platforms. 
• Good understanding and experience with http/2 protocols.
• In depth knowledge of front-end technologies such as React, CSS/SASS, RxJS. 
• In depth knowledge of backend technologies as Node.js.
• Understanding of dynamodb/MongoDB/couchbase and/or SQL - mysql, postgres. 
• Proficiency with SOLID Principles and Design Patterns. 
• Proficiency with debugging, source control -git, and defect tracking. 
• Proficiency with distributed systems design. 
• Knowledge of AWS, Kubernetes, Docker, CI/CD. 
• Familiarity with unit testing and Test-Driven Design. 
• Familiarity with Domain Driven Design. 

Qualification:

BE/B.Tech or Equivalent degree in Computer Science or related field.