Senior Java Software Engineer

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 Overview 

We are seeking a highly skilled Fullstack Developer with expertise in Angular for front-end development and NestJS with TypeScript for back-end development. The ideal candidate will be responsible for building, testing, and maintaining robust, scalable, and secure web applications. You will also manage databases like PostgreSQL and MongoDB, ensuring efficient data management and seamless integration between client-side and server-side systems. 

This role requires a strong understanding of the full web development lifecycle, from designing intuitive user interfaces to developing efficient server logic and implementing security best practices. 

Key Responsibilities 

● Design, develop, and maintain front-end and back-end components using Angular, NestJS, and TypeScript. 

● Collaborate with team members to ensure seamless integration between front-end and back-end services. 

● Develop, optimize, and manage databases (PostgreSQL and MongoDB). 

● Create and maintain RESTful and GraphQL APIs to support front-end applications. 

● Optimize applications for speed, scalability, and user experience. 

● Implement and validate UI/UX designs on the front-end. 

● Write clean, testable, and maintainable code, following industry best practices. 

● Debug and troubleshoot issues across the full stack, ensuring compatibility across browsers and devices. 

● Apply security best practices, including authentication, authorization, and data protection. 

● Participate in code reviews, providing and receiving constructive feedback. 

● Stay updated on emerging technologies and trends to enhance development practices. 

● Contribute actively in Agile/Scrum ceremonies (sprint planning, daily stand-ups, retrospectives). 

Skills & Qualifications 

● Strong proficiency in Angular, TypeScript, HTML5, CSS3, and JavaScript. 

● Hands-on experience with NestJS and back-end development in TypeScript. 

● Solid understanding of PostgreSQL and MongoDB (database design, optimization, and management). 

● Proficiency in RESTful and GraphQL API development and integration. 

● Knowledge of asynchronous programming and event-driven architecture. 

● Familiarity with Docker, Kubernetes, and deployment workflows. 

● Knowledge of security best practices for web applications. 

● Experience with Git and Agile methodologies. 

● Ability to write and maintain unit and integration tests. 

● Strong problem-solving and troubleshooting skills across the full stack. 

● Excellent communication and collaboration abilities. 

● Bachelor’s degree in Computer Science, IT, or equivalent practical experience. 

Job Description: Senior Full Stack Java Developer

Timings: 2 p.m – 11 p.m

Employment: Full-time (Hybrid)

Overview: We are hiring two exceptional India-based Lead Developers to work as core members of U.S. based Agile teams. These individuals will own the technical implementation of critical features across customer-facing and associate-facing applications. This is a hands-on technical role, with at least 50% of time spent actively writing code or performing engineering tasks, while also guiding the rest of the team in execution.

Key Responsibilities:

• Serve as the senior technical contributor in a cross-border team focused on Loyalty, Mobile App, CRM, and Customer Pickup.

• Own software design, development, testing, and delivery for cloud-native microservices and web components.

• Lead and guide code reviews, enforce coding standards, and ensure best practices across development.

• Work closely with American product, architecture, and Development Manager teams to break down epics, refine stories, and estimate work. • Mentor India-based junior developers and enforce engineering best practices in a collaborative, remote-first culture.

• Proactively communicate blockers, design decisions, and progress across global teams.

• Write clean, testable, scalable code with strong observability and resilience patterns.

• Integrate with Salesforce, internal APIs, SQL/NoSQL systems, and customer data platforms.

Required Experience & Skills:

• 8-10 years of hands-on development experience.

• Deep expertise in Java, Spring Boot, RESTful API development, SQL (PostgreSQL, SQL Server), and front-end frameworks (React/Angular). • Experience working within an Agile environment alongside U.S.-based product managers, development managers, and designers.

• Strong debugging, troubleshooting, and unit/integration testing skills.

• Familiar with CI/CD pipelines, source control (Git), containerization (Docker), and modern deployment patterns.

• Excellent communication and proactive problem-solving in a remote-first environment.

• Prior experience working in an offshore/onshore model is highly preferred. 

Roles and Responsibilities
1. Ability to work on diverse backend stack such as Node JS, Express JS
2. Ability to work on diverse frontend stack such as Meteor JS, React JS, HTML5, CSS3

3. Ability to deliver quick POC’s using cutting edge technologies.

4. Preparing reports, manuals and other documentation on the status, operation and maintenance of software.

5. Design, develop, and unit test applications in accordance with established standards

6. Developing, refining, and tuning integrations between applications. Analyzing and resolving technical and application problems.

7. Ability to debug the application.

8. Should have complete knowledge of developing RESTful Services.

9. Should be able to also work in agile development methodology.
10. Work with designated JavaScript framework to design, develop, and debug web applications
11. Work with the team to manage, optimize, and customize multiple web applications
12. Manage end to end module lifecycle management of the product
13. Push and pull codes via Git repository

Competency Requirements

1. Experience in NodeJS and development using MeteroJS
2. Experience in front end frameworks - Meteor JS
3. Experience in client/server application development
4. Knowledge of agile development methodologies
5. Knowledge of unit testing theory
6. Knowledge of AWS cloud
7. Knowledge of other frontend frameworks like ReactJS, AngularJS will be an advantage

Micro services Lead: Experience: 7+yrs

Micro services Architect: Experience: 10+yrs

Micro service developer : Experience : 4+Years

Notice Period: Immediate to 15 Days.

Required skills : Java, J2EE with Microservices, Springboot, Spring cloud,Kafka,Redis,Nodejs, Any cloud

Job Responsibilities:

• Be a part of a team developing a rapidly growing product used by thousands of small businesses.
• Responsible for building large scale applications that are high performance, scalable, and resilient in an microservices environment
• Evaluate new technologies and tools such as new frameworks, methodologies, best practices and other areas that will improve overall efficiencies and product quality

Skill Set:

• 3+ years of working experience in developing API centric core Java/J2EE applications using Spring boot, JPA, REST API, XML and JSON
• Experience in frontend framework - any one of Backbone, Angular, Vue or React
• Working experience in any one of the Cloud Platforms - Google Cloud (preferable) or AWS
• Experience in large scale databases - NoSQL and MongoDB.
• Hands on experience in Eclipse based development and using Git, SVN, Junit
• Past experience in startups or product development is a big plus.

• Experience of min 7-10 years in Technology

• Master’s Degree / relevant certification

• Enable the team to design solutions with a sustainable architecture in mind, collaborating in building a clear and shared understanding/vision of it within the team.
• Actively support team wellness through building an environment of trust, openness and safe experimentation.
• Train and Mentor the team in the correct understanding of technical practices, enabling the team to identify how to get most value out of them within the context of the project.
• Comply with development and corporate processes and standard practices.
• Status reporting.
• Responsible for defining and setting baselines.
• Plan, schedule, execute, report and control the strategy to move releases to staging and live environments, ensuring the integrity of the live environment is protected and that the correct components are released.
• Take care of team logistics in terms of anticipating development environment needs and engaging whoever needed to make them timely available for the team.

• Expert knowledge of key Web technologies as HTML5, CSS3, 
• Expect in JavaScript / AJAX, NodeJS, React.
• Expert knowledge of OO Analysis and Design, 
• Expert on Design Patterns and Frameworks as NodeJS, React.
• Knowledge of Agile methodologies (Scrum).

• Candidate must possess good communication skills.
• Creative bent of mind
• Self-motivation to work independently and strong work ethic.
• Ability to work in a team, and adapt to new and evolving processes.
• Flexibility with shifts & week offs is a must.
• Team management 
• Capacity to understand and develop a business Vision
• Flexibility and adaptable
• Goal-Oriented
• Experience leading and managing a team
• Mentoring a team
• Deep experience with Agile
• Passion around technology
• Creative
• Player- coach mentality
• Strong communication skills

About us

Villa Plus is UK's leading villa holiday tour operator, providing holiday makers the ability to book their own private villas across Europe. Customers have a choice of close to 2000 villas in 19 destinations with option of booking flights, car hire, transfers and travel insurance. Over the last 33 years Villa Plus has catered for holidays for nearly 200,000 customers and it manages about 50,000 bookings annually online.

Our digital platform, http://www.villaplus.com">www.villaplus.com runs totally in Azure Cloud. A headless CMS platform is used for non-villa marketing content.  Ash software is value-added partner and technical arm of Villa Plus which aims at delivering delightful experience to customers.

Experience:
7+ years in Product development

Qualification:

• Bachelor / Masters degree in Computer Science or Computer Engineering
• 5+ years of professional experience in software development

Our team is highly motivated and is looking for a senior engineer who can steer the team technically in our vision.

Strong belief in software craftsmanship and practicing it in day-to-day work, expert in Microsoft .NET technology stack is a must.

A good team player with expertise working as part of Agile teams. Hands-on experience in practicing Scrum, XP and Kanban.

• Strong hands-on experience in web development using ASP.NET MVC and C#.
• Usage of SQL and no SQL databases
• Hands on experience in test-driven development and DevOps practices
• Strong design capabilities, following SOLID principles using C#
• Well-versed with pair-programming
• Working on solutions hosted in cloud environments (AWS or Azure)
• Implementation of Continuous Delivery processes
• Usage of Git
• Good understanding of Behaviour-driven development and domain-driven design

The following would be beneficial:

• Working in the travel and hospitality domain including:

• .Net core 2.0, Web API
• Scripting Languages like Typescript or JavaScript
• Frontend: Angular7
• Automating business processes
• Integration with 3^rd party systems
• Customer management, including CRM solutions
• Content management
• SEO
• Booking and post sales flows, web and mobile solutions

Are you interested in working from home office?

• Comprehensive experience working with remote teams
• Excellent communicator
• Self-managed
• Open to travel to Pune office occasionally

Responsibilities:

• Contribution to the product roadmap in one-week sprint model
• Helping your team to deliver at high velocity
• Practice and promote Agile practices
• Continuously learn and deliver incremental business value
• Use Continuous Delivery Practices
• Select the best tools to solve the problems at hand
• Mentor junior team members
• Effective collaboration and removal of silos
• Build high availability solutions.
• Development of asynchronous and/or multi-tiered scalable applications

Job Location Pune

• Are you a software craftsman and passionate coder with a proven track record of successful deliveries?
• Are you interested in a high growth career opportunity and enjoy building software that brings smiles to our customers?

Then you are someone who will enjoy this incredibly challenging role with us.