JavaScript Developer - Node.js/React.js

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/

Senior Full Stack Developer – Analytics Dashboard

Job Summary

We are seeking an experienced Full Stack Developer to design and build a scalable, data-driven analytics dashboard platform. The role involves developing a modern web application that integrates with multiple external data sources, processes large datasets, and presents actionable insights through interactive dashboards.

The ideal candidate should be comfortable working across the full stack and have strong experience in building analytical or reporting systems.

Key Responsibilities

• Design and develop a full-stack web application using modern technologies.
• Build scalable backend APIs to handle data ingestion, processing, and storage.
• Develop interactive dashboards and data visualisations for business reporting.
• Implement secure user authentication and role-based access.
• Integrate with third-party APIs using OAuth and REST protocols.
• Design efficient database schemas for analytical workloads.
• Implement background jobs and scheduled tasks for data syncing.
• Ensure performance, scalability, and reliability of the system.
• Write clean, maintainable, and well-documented code.
• Collaborate with product and design teams to translate requirements into features.

Required Technical Skills

Frontend

• Strong experience with React.js
• Experience with Next.js
• Knowledge of modern UI frameworks (Tailwind, MUI, Ant Design, etc.)
• Experience building dashboards using chart libraries (Recharts, Chart.js, D3, etc.)

Backend

• Strong experience with Node.js (Express or NestJS)
• REST and/or GraphQL API development
• Background job systems (cron, queues, schedulers)
• Experience with OAuth-based integrations

Database

• Strong experience with PostgreSQL
• Data modelling and performance optimisation
• Writing complex analytical SQL queries

DevOps / Infrastructure

• Cloud platforms (AWS)
• Docker and basic containerisation
• CI/CD pipelines
• Git-based workflows

Experience & Qualifications

• 5+ years of professional full stack development experience.
• Proven experience building production-grade web applications.
• Prior experience with analytics, dashboards, or data platforms is highly preferred.
• Strong problem-solving and system design skills.
• Comfortable working in a fast-paced, product-oriented environment.

Nice to Have (Bonus Skills)

• Experience with data pipelines or ETL systems.
• Knowledge of Redis or caching systems.
• Experience with SaaS products or B2B platforms.
• Basic understanding of data science or machine learning concepts.
• Familiarity with time-series data and reporting systems.
• Familiarity with meta ads/Google ads API

Soft Skills

• Strong communication skills.
• Ability to work independently and take ownership.
• Attention to detail and focus on code quality.
• Comfortable working with ambiguous requirements.

Ideal Candidate Profile (Summary)

A senior-level full stack engineer who has built complex web applications, understands data-heavy systems, and enjoys creating analytical products with a strong focus on performance, scalability, and user experience.

Job Title: .NET Developer (Full Stack Preferred)

Experience: 4–5 Years

Location: Indore (Preferred)

Job Type: Full-Time

Job Summary:

We are seeking a skilled and experienced .NET Developer with 4–5 years of hands-on experience in Core .NET, MVC, and Entity Framework. The ideal candidate will be proficient in either Angular or React, with full stack development experience being an added advantage. Candidates from Indore or those willing to relocate are preferred.

The .NET Developer will be responsible for designing, developing, testing, and maintaining software applications based on the Microsoft .NET framework. You will collaborate with cross-functional teams to deliver high-quality solutions and contribute to all phases of the software development life cycle.

Responsibilities/Duties:

1. Software Development:

Design, code, test, and debug software applications using the .NET framework.

Collaborate with other developers and team members to deliver robust and scalable solutions.

2. System Analysis:

Analyze and understand business requirements to design efficient and scalable software solutions.

Conduct code reviews and provide constructive feedback to peers.

3. Application Maintenance:

Maintain and enhance existing applications by resolving issues and implementing new features.

Troubleshoot and debug software defects and performance issues.

4. Documentation:

Document code, technical specifications, and system architecture.

Prepare and maintain relevant project documentation.

5. Collaboration:

Work closely with product owners, business analysts, and QA teams to ensure software meets business goals and quality standards.

Collaborate with other developers on team projects and shared codebases.

6. Technology Stack:

Utilize Microsoft technologies, including C#, ASP.NET, MVC, Entity Framework, and SQL Server.

Qualifications/Requirements:

Education:

Bachelor’s degree in Computer Science, Software Engineering, or a related field.

Experience:

• 4–5 years of professional experience in .NET development.
• Experience with GitHub Copilot is a plus.

Skills:

• Proficient in C#, ASP.NET, MVC, and Entity Framework.
• Experience with either Angular or React.
• Strong understanding of object-oriented programming and design patterns.
• Familiarity with front-end technologies (HTML, CSS, JavaScript) is a plus.
• Comfortable with version control systems like Git.
• Excellent problem-solving and debugging skills.
• Strong verbal and written communication skills.

Preferred:

• Candidates based in Indore or willing to relocate.
• Experience working in Agile/Scrum environments.
• Full stack development experience is highly desirable.

Job Overview:

We are looking for a Java React Developer to join our development team. The ideal candidate will have experience working with Java (Spring Boot) for backend development and React.js for frontend applications. You will be responsible for building scalable web applications, integrating RESTful APIs, and ensuring a seamless user experience.

Key Responsibilities:

• Develop and maintain web applications using Java (Spring Boot) for backend and React.js for frontend.
• Design and implement RESTful APIs for communication between frontend and backend.
• Optimize applications for speed, scalability, and security.
• Work with databases such as MySQL, PostgreSQL, or MongoDB.
• Write clean, maintainable, and efficient code following best practices.
• Collaborate with cross-functional teams, including designers, product managers, and other developers.
• Perform unit testing, integration testing, and debugging.
• Participate in Agile methodologies like Scrum and Sprint planning.
• Deploy applications using CI/CD pipelines and cloud platforms (AWS, Azure, or Google Cloud).

Required Skills:

• Java & Spring Boot (Core Java, REST APIs, Microservices, JPA, Hibernate).
• React.js (Hooks, Redux, Context API, Functional Components).
• Experience with HTML, CSS, JavaScript, and TypeScript.
• Strong knowledge of RESTful APIs and Web Services.
• Experience with databases like MySQL, PostgreSQL, MongoDB.
• Understanding of JWT/OAuth for authentication.
• Familiarity with CI/CD tools (Jenkins, GitHub Actions, GitLab CI/CD).
• Knowledge of Docker and Kubernetes is a plus.
• Experience with unit testing frameworks (JUnit, Jest, Mocha) is a plus.

Responsibilities  

• Writing code to solve moderate to complex domain problems for various product and solution areas.

• Developing web application- Writing Unit test.

• Come up with designs and prototypes for pre-design and feasibility study activities

Requirements

• Expertise in JavaScript, JQuery and ASP.Net

• Hands-on experience working with Microsoft SQL Servers.

• Minimum one year of experience in React JS is a must

• Should be able to use Web API.

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• 2+ years of experience on NodeJS & React JS
• Practical experience in building APIs
• Experience with RabbitMQ or similar queuing system
• Experience with Redis/ElasticSearch is a plus
• Familiarity with CI/CD pipeline tools like Jenkins
• Practical experience with Git
• A knack for benchmarking and optimization

Summary role description:

Hiring for Technical Lead - Full Stack for a global InsurTech SaaS product company

Company description:

Our client is a global digital SaaS platform InsureTech company headquartered in Silicon Valley providing omnichannel customer acquisition platform, Analytics powered customer engagement, services, and self-service portals and apps for agents as well as policyholders.

Role details:

• Title / Designation: Technical Lead – Full Stack
• Reporting Manager: Director of Product Engineering
• Location: Hyderabad/Hybrid

Role & Responsibilities:

• Develop, deploy, support, and implement web application projects
• Build scalable architecture, reusable patterns, and libraries for future use
• Conduct performance testing, review results, identify bottlenecks and report code
• Proactively identify and resolve potential problems/issues including authoring technical specifications
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Keeping up to date with industry trends and developments
• Motivate team members to learn the required skills and stay up to date on the execution
• Mentor, lead, and guide a team of Software Engineers

Candidate requirements:

• Overall, 6+ years of experience as Full stack developer, with a minimum 1-year experience in product development
• Experience in leading a team of 3+ members
• Experience in one or more of
  • Frontend – AngularJS/Angular/ReactJS/VueJS
  • Backend – PHP/Java/Python/NodeJS/Golang
  • DB – Any relational Database (like MySQL, Oracle, or Postgres)
• Should have experience in restful JSON web services
• Should be competent in CI /CD tooling
• Experience working with 3rd party software integrations like REST APIs, SOAP APIs, XML, JSON

Selection process:

• Code pair
• 2 Technical interviews
• Final round

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We are looking for top-notch, motivated engineers to come join our growing team at IK. 

Who you are

• You have 2 - 7 years experience. 
• You love the buzz of a highly productive and fast moving team. 
• You have a github profile that you want to show off. 
• You love coding and look forward to taking on complex, abstract features. 
• You don't care about front end, backend kinda titles. You like working anywhere in the "stack". 
• You are looking to grow fast with a company that's on a rapid growth path.

What will excite us

• Previous startup experience or experience being part of early teams.
• Experience with the Django & Python universe. 
• Experience with both Relational and NoSQL DBs. 
• Competitive Programming experience. 
• A keen desire to problem solve, brainstorm and debate during the interview. 

What will excite you

• Complete ownership
• Experiment, fail and learn.
• High pedigree, high caliber team. 
• Contribute to every area of our business. Have a real impact with your work. 
• Top of the line compensation.

Our interview process is designed to help you show the best version of yourself. Once your candidature is finalized, we'll send you a short video explaining the interview process.

Look forward to speaking with you soon!