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Node.js Developer Requirement
Requirements
- Strong experience in Node.js for building scalable backend services
- Hands-on experience with API development & request handling (REST)
- Ability to handle high-concurrency systems and parallel client requests
- Experience designing multi-tenant systems with client isolation
- Knowledge of batching and bulk processing logic
- Experience handling CDC (Change Data Capture) events and event-driven workflows
- Strong understanding of asynchronous programming, retries, idempotency, and fault tolerance
- Good understanding of database consistency, locking, and transactions
- Experience with distributed systems
- Exposure to cloud platforms (AWS/GCP/Azure)
- Knowledge of observability, logging, and monitoring

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Position Name : Senior Software Developer (Node.js/RoR/Swift/React)
Experience : 5 to 10 Years
📍 Location : Remote
Notice Period : Immediate to 15 Days
Role Overview :
We are looking for a highly skilled Senior Software Developer with expertise in Node.js, Ruby on Rails (RoR), React, and Swift.
The ideal candidate should have strong problem-solving skills, hands-on development experience, and a deep understanding of software architecture, design principles, and TDD best practices.
Key Responsibilities :
- Backend-Heavy Full-Stack Development : Strong focus on Ruby on Rails (RoR) for backend and React for frontend.
- Test-Driven Development (TDD) : Follow TDD principles to ensure high-quality code.
- Software Architecture & Design : Implement scalable and maintainable solutions.
- Data Structures & Algorithms : Optimize performance and ensure efficient solutions.
- Clean Code Practices : Write modular, reusable, and well-documented code.
- Agile Development : Work in an Agile environment with CI/CD pipelines.
- Full-Stack Ownership : Manage both backend and frontend development, including deployment.
- Peer Collaboration : Participate in code reviews, pair programming, and knowledge sharing.
Technical Skills & Experience :
Must-Have :
- Ruby on Rails (RoR) - Backend
- React.js - Frontend
- Strong expertise in architecture, design, and hands-on development.
- Excellent understanding of Data Structures & Algorithms.
- Proven experience with TDD principles.
- Excellent communication skills.
Good to Have :
- Experience with Node.js, TypeScript, Swift, and JavaScript
- Familiarity with relational databases and web frameworks
- CI/CD tools like Jenkins, Hudson, or Bamboo.
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/
Hiring for the position of Full Stack Developer / Senior Full Stack Developer responsible for managing back-end services and the interchange of data between the server and the users.
Your primary focus will be the development of all server side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the frontend elements built by your co-workers into the application. Therefore, a basic understanding of frontend technologies is necessary as well.
We are looking to recruit a candidate for a role that will require:
- Create and consume restful APIs
- Design, develop, and maintain internal and external applications
- Build efficient, testable, and reusable modules
- Write high quality, structured application/interface code and documentation
- Identify solutions through research and collaboration that resolves the root of problems as they arise
- Define functional and technical requirements for application software to develop skills and knowledge
- Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
- Contribute in all phases of the development lifecycle
Requirement
∙ Proficient in Node.JS and ReactJS development stack
∙ 2+ years’ experience designing, querying, and updating databases in MySQL/nosql
∙ Basic understanding of web technologies including HTML, CSS, JavaScript, AJAX etc.
∙ Passion for best design and coding practices and a desire to develop new bold ideas
∙ Good to have knowledge of AWS, Redis, ElasticSearch
Education: Min. Graduate in related discipline
Work experience: 2 years relevant experience
Compensation: Based on Industry StandardsInterview Mode : Face to Face
- Good understanding of NODE JS back-end development
- Strong understanding of Node.js and frameworks available for it
- Understanding of front-end technologies, such as React/Angular, HTML and CSS3
-Solid understanding of object-oriented development and design patterns.
- Good experience with AJAX, REST and JSON
- Experience with development practices such as Test-Driven Development and Continuous Integration
-Experience in Version Control Systems like GIT, Bitbucket
- Must have good problem solving and analytical skills.
- Must be a team player, having good communication skills, self-starter
- Ability to pick up new technology is needed.
Who are we?
Kriyadocs is a leading document workflow platform focused on the publishing industry. At Kriyadocs®, we have partnered with prestigious publishing houses across the world for over 18 years and delivered world-class, publication-ready digital & print content by applying cutting-edge technology, streamlined processes, and extensive domain expertise. Technology is at the core of our evolution – we’ve consciously striven to always stay ahead of the curve in its adoption in order to provide best-in-class capabilities for our clients and our employees. This ethos is reflected in our vision and mission.
Our Vision: To make publishing all content as simple as clicking a button and become the partner of choice for individuals and organizations looking to share knowledge.
Our Mission: Provide a fantastic experience to authors, content publishers, and our own employees through technology and innovation, by publishing high-quality content seamlessly and quickly. We deliver Happy Authors and Happy Employees.
What is it really like to work here?
At Kriyadocs, every Kriyator is driven by our culture at the core to
- Deliver Excellence - Deliver Delight
- Stay Curious - Stay Driven
- Dream Big - Rise Together
You could also be a Kriyator, if you are
- Fearless in taking on challenges
- Focused in learning, demonstrating new skills and working towards successful outcomes
- Fanatical in taking pride and responsibility in all your work
Job Description
We are looking for a Software engineer to join our cutting-edge development team as it grows. We want someone who is comfortable asking “why?” The ideal candidate is a divergent thinker who understands industry best practices and has experience with multiple coding languages. They are a team player possessing strong analytical as well as technical skills, and are able to communicate the logic behind technical decisions to non-tech stakeholders. They must be comfortable working in an agile environment and have the ability to “take the wheel” when necessary. They will work with multiple technologies and develop a keen sense of evaluating and using the appropriate technology to derive the best solution.
What you will do?
- Participate in the entire application lifecycle, focusing on coding and debugging
- Write and test code to ensure compatibility and stability: refine and rewrite as necessary
- Troubleshoot and debug applications
- Collaborate with Front-end developers to integrate user-facing elements with server side logic
- Follow the spec and its requirement and develop the features/project
- Providing written knowledge transfer material as documents
Requirements
Must have
- 1+ years experience coding in nodejs programming language
- Solid understanding of data structures and algorithms, Collections, good design principles like SOLID
- Problem solving & analytical aptitude
- Excellent verbal and written communication skills
- Experience in source code control with GIT/SVN
- Should be flexible to work on a variety of programming languages like NodeJS, React, etc. and on XML technologies like XSLT, XML Pipelines, etc
Good to have
- Experience working in the Node JS stack
- Unit testing and automation frameworks
- Experience working in a public cloud environment (AWS preferred)
- Working with distributed microservice architectures
- Agile product development life cycle
Eligibility Criteria
- Bachelor's or Master's degree in Computer science or related fields from a reputed institution
- Any internship experience is a plus
- Experience : 1-4 years
- Location : Chennai. Work from office (Mon to Fri)
A mid-senior level Java-Full Stack Developer manages a critical project for one of our biggest clients in the banking domain. The Individual should be passionate about technology, experienced in developing and managing cutting-edge technology applications.
Requirements:
- Proven experience in Java8 Spring boot, Microservices, Node JS, JavaScript, Gulp
- Strong experience with Kafka and Cassandra
- Experience with Gemfire or any Java Caching techniques
- Experience with UI (React / Angular 1.5)
- Strong experience in using RDBMS (Oracle). Cassandra Knowledge will be an added advantage
- Experience in working in Eclipse / Maven environments.
- Demonstrate experience in using Cucumber.
- Hand's on experience in Unix / Shell scripting.
- Hand's on experience in fine-tuning application response/performance testing.
- Experience in Web Services.
- Understanding of banking risk and compliance policies.
- Experience in code scanning tools like a black duck and tools like Sonar etc.
- Systems application development skills
- Strong analysis & problem-solving skills
- Strong communication skills - both verbal and written
- Ability to work independently with limited supervision
- Proven ability to use own initiative to resolve issues
- Full ownership of projects/tasks
- Ability and willingness to work under pressure, on multiple concurrent tasks, and to deliver to agreed deadlines
- Eagerness to learn
- Strong team-working skills
- Understanding of waterfall and Agile methodologies.
- Experience in working with groups that are set up across the globe.
- Resolve technical issues of projects and Explore alternate designs
- Participates as a team member and fosters teamwork by inter-group coordination within the modules of the project.
- Effectively collaborates and communicates with the stakeholders and ensure client satisfaction
- Train and coach members of project groups to ensure effective knowledge management activity.
- PRIMARY COMPETENCY: Java Technologies PRIMARY SKILL: Java Spring MVC, WEB & Spring Boot PRIMARY SKILL PERCENTAGE: 51 SECONDARY COMPETENCY: UX & UI Development SECONDARY SKILL: React JS SECONDARY SKILL PERCENTAGE: 49
2. Integrating back-end services with Angular/Node.js based front end needs
Thoughtworks is a global software consultancy with an aim to create a positive impact on the world through technology. Our community of technologists thinks disruptively to deliver pragmatic solutions for our clients' most complex challenges. We are curious minds who come together as collaborative and inclusive teams to push boundaries, free to be ourselves and make our mark in tech.
Our developers have been contributing code to major organizations and open source projects for over 25 years. They’ve also been writing books, speaking at conferences and helping push software development forward, changing companies and even industries along the way. We passionately believe that software quality is driven by open communication, review and collaboration. That’s why we’re such vehement supporters of open source and have made significant contributions to open source tools for testing, continuous delivery (GoCD), continuous integration (CruiseControl), machine learning and healthcare.
As consultants, we https://www.thoughtworks.com/careers/hub/consultant-life">work with our clients to ensure we’re evolving their technology and empowering adaptive mindsets to meet their business goals. You could influence the digital strategy of a retail giant, build a bold new mobile application for a bank or redesign platforms using event sourcing and intelligent data pipelines. You will use the latest Lean and Agile thinking, create pragmatic solutions to solve mission-critical problems and challenge yourself every day.
For a team to thrive, it needs active collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an ambitious tech vision and acting as mentors for more junior-level consultants. You will leverage deep technical knowledge to solve more complex business problems and actively assess your team’s health, code quality and nonfunctional pipelines.
You’ll spend time on the following:
- You will use continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible.
- You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
- Create large-scale distributed systems out of microservices
- You will apply the latest technology thinking from ourhttps://www.thoughtworks.com/radar"> tech radar to solve client problems
- Efficiently utilize DevOps tools and practices to build and deploy software
- You will lead or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
- You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills
Here’s what we’re looking for:
- 4-8 years of experience with two or more development languages such as Java/C#/Python/Go/Node.js etc
- You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
- Presence in the external tech community: you proactively share your expertise with others via speaking engagements, contributions to open source, blogs and more
- Comfortability with Agile methods, such as Extreme Programming (XP), Scrum and/or Kanban
- You enjoy influencing others and always advocate for technical excellence while being open to change when needed
- You’re willing and able to commit to travel to client sites in order to solve their business problems
- You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
- Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker
Requirements:
Minimum 1-4 years Experience in Node js, Mongo DB, Angular js, and Express js.
Architect, Develop, test, and deploy robust products that are fast, scalable, and highly responsive
Design and maintain large and complex databases, both relational and non-relational databases.
Establish, refine and integrate development environment tools and software as needed
Identify production and non-production application issues as a part of the deployment
Deploy applications on the AWS cloud with the ability to quickly debug hosting-related issues.












