
Position - Full stack Developer
Location - Navi Mumbai
Freshers 0-3 yrs
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 (Good to have)
- 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/

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Job Details
- Job Title: Lead I - Software Engineering - Java, J2Ee, Spring
- Industry: Technology
- Domain - Information technology (IT)
- Experience Required: 6-12 years
- Employment Type: Full Time
- Job Location: Bangalore
- CTC Range: Best in Industry
Job Description:
Role Summary:
We are looking for an experienced Senior Java Developer with expertise in building robust, scalable web applications using Java/J2EE, Spring Boot, REST APIs, and modern microservices architectures. The ideal candidate will be skilled in both back-end and middleware technologies, with strong experience in cloud platforms (AWS), and capable of mentoring junior developers while contributing to high-impact enterprise projects.
The developer will be responsible for full-cycle application development: from interpreting specifications and writing clean, reusable code, to testing, integration, and deployment. You will also work closely with customers and project teams to understand requirements and deliver solutions that optimize cost, performance, and maintainability.
Key Responsibilities:
Application Development & Delivery
- Design, code, debug, test, and document Java-based web applications aligned with design specifications.
- Build scalable and secure microservices using Spring Boot and RESTful APIs.
- Optimize application performance, maintainability, and reusability by using proven design patterns.
- Handle complex data structures and develop multi-threaded, performance-optimized applications.
- Ensure code quality through TDD (JUnit) and best practices.
Cloud & DevOps
- Develop and deploy applications on AWS Cloud Services: EC2, S3, DynamoDB, SNS, SES, etc.
- Leverage containerization tools like Docker and orchestration using Kubernetes.
Integration & Configuration
- Integrate with various databases (PostgreSQL, MySQL, Oracle, NoSQL).
- Configure development environments and CI/CD pipelines as per project needs.
- Follow configuration management processes and ensure compliance.
Testing & Quality Assurance
- Review and create unit test cases, scenarios, and support UAT phases.
- Perform defect root cause analysis (RCA) and proactively implement quality improvements.
Documentation
- Create and review technical documents: HLD, LLD, SAD, user stories, design docs, test cases, and release notes.
- Contribute to project knowledge bases and code repositories.
Team & Project Management
- Mentor team members; conduct code and design reviews.
- Assist Project Manager in effort estimation, planning, and task allocation.
- Set and review FAST goals for yourself and your team; provide regular performance feedback.
Customer Interaction
- Engage with customers to clarify requirements and present technical solutions.
- Conduct product demos and design walkthroughs.
- Interface with customer architects for design finalization.
Key Skills & Tools:
Core Technologies:
- Java/J2EE, Spring Boot, REST APIs
- Object-Oriented Programming (OOP), Design Patterns, Domain-Driven Design (DDD)
- Multithreading, Data Structures, TDD using JUnit
Web & Data Technologies:
- JSON, XML, AJAX, Web Services
- Database Technologies: PostgreSQL, MySQL, Oracle, NoSQL (e.g., DynamoDB)
- Persistence Frameworks: Hibernate, JPA
Cloud & DevOps:
- AWS: S3, EC2, DynamoDB, SNS, SES
- Version Control & Containerization: GitHub, Docker, Kubernetes
Agile & Development Practices:
- Agile methodologies: Scrum or Kanban
- CI/CD concepts
- IDEs: Eclipse, IntelliJ, or equivalent
Expected Outcomes:
- Timely delivery of high-quality code and application components
- Improved performance, cost-efficiency, and maintainability of applications
- High customer satisfaction through accurate requirement translation and delivery
- Team productivity through effective mentoring and collaboration
- Minimal post-production defects and technical issues
Performance Indicators:
- Adherence to coding standards and engineering practices
- On-time project delivery and milestone completion
- Reduction in defect count and issue recurrence
- Knowledge contributions to project and organizational repositories
- Completion of mandatory compliance and technology/domain certifications
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
- Relevant certifications (e.g., AWS Certified Developer, Oracle Certified, Scrum Master)
Soft Skills:
- Strong analytical and problem-solving mindset
- Excellent communication and presentation skills
- Team leadership and mentorship abilities
- High accountability and ability to work under pressure
- Positive team dynamics and proactive collaboration
Skills
Java, J2Ee, Spring
Must-Haves
Java, J2Ee, Spring
Machine Learning + Aws+ (EKS OR ECS OR Kubernetes) + (Redshift AND Glue) + Sagemaker
NP: Immediate – 30 Days
Designation: Software Development Team Lead
Location: Bangalore/Bhopal
Package: 8LPA to 15 LPA
Job Type: Full Time
Experience: 6 to 10+
Job Title: Software Development Team Lead
We are seeking an experienced Software Development Team Lead with strong capabilities in handling frontend, backend, and full-stack development teams across multiple technologies. The ideal candidate will have hands-on experience in Python, Next.js, and other modern tech stacks, along with the ability to guide a diverse development team, ensure high-quality delivery, and drive end-to-end project execution.
Key Responsibilities
Team Leadership & Multi-Tech Management
- Lead and manage a team of developers working across frontend, backend, and full-stack technologies.
- Provide technical direction, conduct code reviews, and mentor team members.
- Allocate tasks based on strengths (UI, backend, APIs, DevOps, etc.) and ensure balanced workload.
- Foster a collaborative, innovative, and high-performance engineering culture.
Full-Stack Technical Contribution
- Work hands-on with Python (backend) and Next.js/React (frontend).
- Guide teams on best practices across UI development, API design, database architecture, and deployment.
- Ensure scalable, secure, and maintainable code across all layers of the product.
- Troubleshoot complex issues across frontend, backend, microservices, and integrations.
Project Execution & Delivery
- Manage end-to-end project lifecycle—from planning to development, testing, and deployment.
- Coordinate with Product, QA, UX/UI, DevOps, and Management teams.
- Drive sprint planning, task estimation, and timeline adherence.
- Improve delivery speed and quality through automation, CI/CD, and structured workflows.
Cross-Functional Collaboration
- Translate business requirements into technical specifications.
- Communicate project updates, challenges, and solutions to stakeholders.
- Collaborate with designers, product managers, and other engineering units.
Process Improvement
- Define and implement coding standards, architecture guidelines, and development processes.
- Introduce new technologies and best practices for continuous improvement.
- Promote efficient workflows, documentation, and team knowledge-sharing.
Required Skills & Qualifications
- Bachelor’s degree in Computer Science, Engineering, or related field.
- 6–10+ years of strong software development experience.
- Proven experience leading full-stack development teams.
Hands-on expertise in:
- Backend: Python (Django, Flask, FastAPI), API development
- Frontend: Next.js, React, JavaScript/TypeScript
- Databases: SQL/NoSQL
- Ability to manage teams working on multiple technologies (frontend, backend, APIs, DevOps).
- Experience with cloud services (AWS/Azure/GCP).
- Strong knowledge of CI/CD, Git workflows, containers (Docker), and microservices.
- Excellent communication, leadership, and problem-solving skills.
Preferred Qualifications
- Exposure to other technologies/frameworks (Node.js, Angular, Java, .NET, PHP, etc.)
- Experience managing cross-functional engineering teams (QA, DevOps, UI/UX).
- Understanding of scalable architectures, system design, and performance optimization.
Data modelling, implementing business logic as well as focusing on engineering and design of the
platform.
● API design and development
● Implementation of CRUD (Create, update, read, delete)
● Writing reusable, testable, and efficient code
● Design and implementation of low-latency, high-availability, and performant applications
● Integration of user-facing elements developed by front-end developers with server-side logic
● Write and implement software solutions that integrate different systems
● Identify and suggest ways of improving efficiency and functionality
● Come up with reusable code that is efficient and easily testable
● Use backend logic to integrate user-facing features
● Development of middleware ensuring high performance and responsiveness to requests from the frontend and also development of a complex & secure data aggregation system
● Diagnose bugs and other issues in products
● Write and implement Low-Latency Applications
● Implement security and data protection
● Design and build scalable REST APIs
● Develop, test, tune for performance and deploy web services
● Work with product team to build innovative, robust, and easy-to-use features.
Collaborate with the team, optimize and refactor the back-end architecture
● Contribute to architectural and design discussions
● Ensure smooth and timely communication with both the internal and external stakeholders.
● Participate in estimations and ensure timely delivery of the features
● Design, Develop & Unit test features in the product
● Conduct peer reviews and ensure quality of committed code
Required Skills:
● Excellent software engineering skills and experience of 2-4 years.
● Solid foundation in data structures and algorithms
● Data modelling and database design. Expert in Python, with knowledge of at least one Python web
framework {such as Django, Flask, etc}
● Good understanding of server-side templating languages like DTL, Jinja 2
● Good understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
● Knowledge of at least one ETL tool or framework (Such as apache airflow)
● Familiarity with SQL and any ORM framework
● In depth knowledge of any one web server like nginx or apache2 would be a plus
● Competent in designing and building web applications and/or web services in a commercial setting
● Competent in design/implementation for reliability, availability, scalability and performance
● Working knowledge of code versioning tools such as Git
● Strong unit test and debugging skills are a plus
● Good understanding of designing micro services
Behavioural
● A self-starter attitude, the ability to work independently and in a group, demonstrated initiative, and
good writing/briefing skills are great to have
● Should be good at analytical thinking and breaking down large problems into solvable chunks
● Demonstrated the ability to think creatively and come up with ideas / thoughts with significant business/
organizational impact
● Ability to quickly adapt to changing technological trends
About Company:
About Job:
As a MEAN stack developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You should also be a team player with a knack for visual design and utility.
We want a team member who strives to develop a first-class codebase using Angular best practices.
Responsibilities
- Write effective, scalable code
- Develop front-end and back-end components to improve responsiveness and overall performance
- Integrate user-facing elements into applications
- Test and debug programs
- Improve functionality of existing systems
- Implement security and data protection solutions
- Assess and prioritize feature requests
- Coordinate with internal teams to understand user requirements and provide technical solutions
Qualifications
- BSc/BE/BTech/ME/MTech/MCA/MCS in Computer Science, Engineering or a related field
- Must have work experience on MongoDB, Expressjs, AngularJs, NodeJS.
- Must have work experience as a React or Angular (Front-end) and Node JS (Back-end) developer. Good to have a working knowledge of NestJS,
- Strong expertise with HTML, CSS, and writing cross-browser compatible code.
- Good understanding of AJAX and JavaScript DOM manipulation Techniques
- Experience with RESTful services
- Hands-on and implements complex Angular modules
- Able to implement automated testing platforms and unit tests
- Understanding of fundamental design principles behind a scalable application
- Proficient understanding of code versioning tools (Git)
- Critical thinker and problem-solving skills
- Team player
- Good time-management skills
- Great interpersonal and communication skills
- 3-10 years experience
- Strong React, TypeScript, JavaScript
- Experience with NextJS and Material UI
- Experience with popular React.js workflows (such as Flux or Redux)
- Demonstrated mastery of HTML, CSS & JavaScript (ES6+)
- Good understanding of HTML, CSS, Javascript, jQuery, Bootstrap3/4, JSON & AJAX.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
Backend server development & support with Node, JavaScript, JSON, REST, NoSQL, Cloud Native technologies like Docker & Registry, Kubernetes & Helm
- Skilled in data structures, algorithms, modularization, OOP, microservices, and design patterns
- Skilled in coding best practices using containers, packaging (npm, yarn), agility (with Git, Jira), unit testing (JEST), CI/CD (Jenkins), debugging, and ensuring high productivity & quality
- Exposure to security (OIDC/JWT, RBAC, monitoring, auditing)
- Good with learning, problem solving & innovation
Company Profile:
Saffron Tech Private Limited
Saffron Tech is a result driven digital transformation company in New Jersey (NJ) & New Delhi. We are known for transforming businesses to digitization. We are providing development services and IT solutions to its clients across the globe. Being in the field of IT for more than 10 years now, the company has successfully executed over 1500 projects for its clients. Saffron Tech Pvt Ltd is a multi-faceted IT firm adept at providing Web and Mobile Application Development, IT Offshore Staffing and Digital Marketing Services.
We are servicing over 500 clients from across the globe. We are a strong 150+ member family at the moment working from state of the art office premises close to Saket, South Delhi. Our primary operational markets are USA, UK, APAC and Middle East. To know more about us and our brands please visit http://www.saffrontech.net/" target="_blank">http://www.saffrontech.net/
- Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems
- Good experience as a MEAN Stack Developer.
- In depth experience in NodeJS, ExpressJS, Angular, Mongo DB, JavaScript.
- Experience implementing applications using Angular 1 or React
- Experience creating front end applications using HTML5, Angular, LESS/SASS
- Hands on experience with JavaScript Development on both client and server-side
- Experience with modern frameworks and design patterns, minimum one-year experience with MEAN Fullstack paradigm.
We are looking for a full-stack developer with 3+ years of experience in NodeJS and frontend technologies like HTML/CSS/JS + ReactJS + VueJS
- Strong Coding Skills
- Experience building scalable products
- 3+ years of experience in NodeJS with an understanding of callbacks, async/await, promises,
asynchronous functions, usage of third-party libraries, ExpressJS, PassportJS etc
- Good command over Data Structure, Algorithms
- Experience working with NoSQL & SQL Databases like Mysql, MongoDB, ElasticDB, Redis etc
- Good design skills
- The ability to produce bug-free and production-grade code
- Knowledge of Go, Docker and kuberneates is a plus.
We offer a suite of memberships and subscriptions to spice up your lifestyle. We believe in practicing an ultimate work life balance and satisfaction. Working hard doesn’t mean clocking in extra hours, it means having a zeal to contribute the best of your talents. Our people culture helps us inculcate measures and benefits which help you feel confident and happy each and every day. Whether you’d like to skill up, go off the grid, attend your favourite events or be an epitome of fitness. We have you covered round and about.
- Health Memberships
- Sports Subscriptions
- Entertainment Subscriptions
- Key Conferences and Event Passes
- Learning Stipend
- Team Lunches and Parties
- Travel Reimbursements
- ESOPs
Thast what we think would bloom up your personal life, as a gesture for helping us with your talents.
Join us to be a part of our Exciting journey to Build one Digital Identity Platform!!!












