FULL STACK DEVELOPER at Nexsys · Bengaluru (Bangalore), Delhi, Gurugram, Pune · 10 - 30 years · ₹10L - ₹15L / yr · Bootstrapped · Posted 23 Aug 2022

FULL STACK DEVELOPER
Responsibilities
• Develop interactive, user-friendly applications using the latest frameworks
• Deliver across the entire application life cycle in the stages of concept, design, build, deployment, test, and release to app stores and support.
• Collaborate with product owners and designers to translate product requirements and designs into reality
• Own and develop feature sets that involve responsive UIs and restful services to ensure a seamless user experience.
• Interact with the product, engineering, and business teams across geographies to leverage their expertise and contribute efficiently.
• Ensure that all components and the overall application are robust and easy to maintain.
• Continuously optimize and improve the application performance
• Proactively acquire knowledge of the latest industry trends and best practices in mobile technologies to implement them and educate the teams to increase the effectiveness of technology solutions.
Requirements
• B.Tech/ B.S. or M.Tech/ M.S. or equivalent in Computer Science, IT, or related field
• 2-6 years of experience
Mandatory Skills
• 2+ years of experience designing and building production-level web applications including:
• Programming knowledge in JavaScript, NodeJS
• Good knowledge in developing front-end software, with deep experience in one or more relevant
front-end frameworks (ReactJs, Angular, Vue etc.).
• Expertise in Web/mobile app development using React Native
• Experience in product development on mobile platforms using React Native
• Familiar in developing backend (JS/Node/C#).
• Basic understanding of RDBMS databases
• Working knowledge of design patterns, SOLID principles, and development best practices. Ability to
independently write code and unit test cases
• Mastery of standard frontend technologies like modern HTML, CSS, JavaScript (we use React,
Redux, Webpack, NodeJS etc.), REST, and JSON.
Desirable Skills
• ES6/7, Node, package management /webpack/parcel.
• Exposure to data modeling with any of the database technologies.
• Full stack understanding of web/mobile/API/database development concepts and patterns.
• Experience in DevOps would be a plus.
• Experience in TypeScript would be a plus.
• Excitement about the latest trends in application design

About Nexsys
About
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Required Skills/Experience
- 3-4 years of experience designing and/or developing web-based applications using JavaScript, Node, React, Angular, etc
- Strong understanding of JavaScript, browsers, mobile platforms, and real-time communication.
- Problem solving skills with data structures and algorithms.
- Hands-on experience developing responsive web applications and scalable backend systems.
- Strong experience in integrating third-party applications, APIs, and external systems.
- Ability to design, develop, and manage integrations between different platforms and systems.
- Hands-on experience using AI-powered development tools such as ChatGPT, Claude, GitHub Copilot, Cursor, or similar tools for coding, debugging, testing, and improving development productivity.
- Ability to learn and adapt to alternative technologies based on project requirements.
- Experience in the product development lifecycle, including prototyping, development, testing, hardening, and deployment.
Additional Skills/Experience
- Experience with NoSQL databases such as MongoDB and Cassandra.
- Experience with UI component libraries and other popular JavaScript libraries and frameworks such as Vue.js.
- Eagerness to participate in product functionality and user experience design.
- Excellent group facilitation and communication skills, both verbal and written.
- Familiarity with i18n and the latest trends in UI/UX design.
- Experience implementing payment gateways applicable across different countries.
- Understanding of API integrations, authentication mechanisms, and data exchange between systems
Education Requirement
- B.Tech/M.Tech in CSE/IT/AI/ML only.
Job Summary: We are seeking a highly skilled Full-stack Developer to join our dynamic team as a Delivery Module Lead. The ideal candidate will possess strong expertise in Python and front-end technologies, enabling them to design, develop, and maintain robust web applications. This role requires a proactive individual who can collaborate effectively with cross-functional teams to deliver high-quality software solutions that meet business needs.
- Proficient in Python programming language.
- Strong knowledge of front-end technologies such as HTML, CSS, and JavaScript.
- Experience with front-end frameworks like React, Angular, or Vue.js.
- Familiarity with back-end frameworks such as Django or Flask.
- Understanding of RESTful APIs and web services.
- Experience with version control systems, preferably Git.
Job Description: React + Node.js Full Stack Developer
Experience: 4+ Years
Location: HP, Bellandur Office, Bangalore
Joining: Immediate Joiners Only
Job Overview
We are looking for an experienced React + Node.js Full Stack Developer to build scalable, responsive, and high-performance web applications. The ideal candidate should have strong hands-on experience in React.js for frontend development and Node.js with Express.js for backend development.
Mandatory Skills
- React.js
- Node.js
- Express.js
- JavaScript (ES6+)
- REST API development and integration
Key Responsibilities
- Develop responsive and user-friendly web applications using React.js.
- Build scalable backend services and APIs using Node.js and Express.js.
- Design, develop, and integrate RESTful APIs.
- Integrate frontend and backend systems.
- Work with databases such as MongoDB, MySQL, or PostgreSQL.
- Write clean, reusable, and maintainable code.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and Agile development activities.
- Implement authentication and authorization mechanisms.
Preferred Skills
- Redux or Context API
- MongoDB, MySQL, or PostgreSQL
- Git version control
- JWT / OAuth authentication
- Basic knowledge of AWS, Azure, or GCP
Candidate Requirements
- Minimum 4 years of relevant development experience.
- Strong hands-on experience in both React.js and Node.js.
- Good understanding of full-stack application development.
- Immediate joiners only, due to urgent project requirements.
- Must be comfortable working from the HP Bellandur office in Bangalore.
Responsibilities:
* Collaborate with cross-functional teams on project requirements and deliverables
* Develop user interfaces using React.JS and Express API's
* Implement database solutions with MongoDB and Node.JS
Role Overview
We are looking for a Java Full Stack Developer with Python experience who has strong hands-on experience in backend and frontend development.
Key Responsibilities
- Develop and maintain applications using Java, Spring Boot and Microservices.
- Build and integrate REST APIs.
- Develop full-stack applications using React.js or Angular.
- Use Python for application development, automation, or backend services.
- Work with SQL databases and perform database-related development.
- Participate in design, development, testing, and deployment of applications.
- Collaborate with cross-functional teams to deliver scalable solutions.
Required Profile
- Strong experience in Java Full Stack Development.
- Hands-on experience with Spring Boot and Microservices.
- Good experience in Python.
- Strong knowledge of REST APIs and SQL.
- Experience with React.js or Angular for UI development.
- Candidates should have genuine Full Stack Development experience.
What you’ll work on
- Build features from end to end. Translate product requirements into working interfaces, backend services and database changes, and follow them through testing and release.
- Create responsive web experiences. Develop reusable React and Next.js components, connect them to APIs, and handle forms, loading states, errors and accessibility across screen sizes.
- Develop dependable APIs. Build modular Node.js services with NestJS, Fastify and related frameworks, with clear contracts, input validation, authentication, authorization and consistent error handling.
- Design and improve data models. Work with PostgreSQL and MySQL for relational data, MongoDB for document models and Neo4j for connected data. Write efficient queries, use appropriate indexes and manage schema changes carefully.
- Integrate systems and workflows. Connect third-party services and internal APIs, manage asynchronous operations, and account for failures, retries and data consistency.
- Make quality part of delivery. Write meaningful unit and integration tests, review code, reproduce bugs and document API behavior and technical decisions.
- Improve performance and security. Investigate slow pages and queries, troubleshoot service errors, and apply secure coding practices to protect application data.
- Work closely with the team. Discuss trade-offs with designers and developers, break work into manageable tasks, and communicate progress and blockers clearly.
What you’ll bring
- A solid understanding of JavaScript or TypeScript, asynchronous programming and how web applications communicate over HTTP.
- Hands-on experience building React or Next.js interfaces and Node.js APIs, with familiarity with NestJS, Fastify or similar frameworks.
- An understanding of SQL, database relationships and querying, along with an interest in document and graph databases.
- Comfort with Git, code reviews, debugging and testing your work before handing it over.
- A practical approach to problem-solving, willingness to learn and ownership of the features you build.
Bonus skills
Helpful experience, rather than prerequisites for applying.
- CI/CD pipelines: Automating builds, checks, tests and deployments, working with environment-specific configuration, and understanding release and rollback workflows.
- Jenkins: Creating or maintaining Jenkinsfiles, organizing pipeline stages, handling credentials securely and diagnosing failed builds.
- AWS: Deploying or supporting applications using services such as EC2, S3 and RDS, with awareness of IAM permissions, networking and CloudWatch logs.
- Nginx: Configuring reverse proxies, routing requests to application services, setting up HTTPS, and troubleshooting timeouts, upload limits and access logs.
We are looking for an experienced Full Stack Developer to join our in-office engineering team in Hyderabad. You will build and maintain scalable, secure, multilingual web and mobile-facing products end to end — from intuitive front-end interfaces to robust back-end services and APIs.
Key Responsibilities
- Design, develop, and maintain front-end (React.js) and back-end (Node.js/Express.js) components.
- Build and integrate secure REST APIs and manage databases (MongoDB / SQL).
- Write clean, testable, well-documented code and participate in code reviews.
- Collaborate with product, design, and QA teams to ship features on schedule.
- Optimise applications for performance, scalability, and security.
- Troubleshoot, debug, and resolve production issues.
Requirements
- 3–10 years of hands-on full-stack development experience.
- Strong proficiency in React.js, Node.js, JavaScript/TypeScript, and REST APIs.
- Solid experience with databases (MongoDB and/or SQL) and version control (Git).
- Good understanding of responsive design, security best practices, and cloud deployment.
- Strong problem-solving skills and the ability to work on-site in a collaborative team.
What We Offer
- Competitive salary
- Opportunity to work on a fast-growing, cross-border product.
- A collaborative, in-office team environment in Hyderabad.

Job Description:
- Exp Level 3 to 5 years
- Hands on exp in Node.js with minimum 3 yrs experience
- Strong hands-on experience with MongoDB, Express.js, React.js and Node.js- Solid understanding of REST API design, authentication and application architecture
- Experience with TypeScript, state management and modern front-end practices
- Familiarity with cloud deployment, CI/CD and Git-based workflows
- Ability to work independently and own features end to end
We are seeking a highly skilled Full-stack Developer to join our dynamic
team as a Delivery Module Lead. The ideal candidate will possess strong expertise in Python
and front-end technologies, enabling them to design, develop, and maintain robust web
applications. This role requires a proactive individual who can collaborate effectively with
cross-functional teams to deliver high-quality software solutions that meet business needs.
Responsibilities:
∙Design, develop, and maintain scalable web applications using Python and front-end
technologies.
∙Collaborate with product managers, designers, and other developers to define project
requirements and deliver solutions that meet user needs.
∙Implement responsive user interfaces and ensure optimal performance across various
devices and browsers.
∙Write clean, maintainable, and efficient code while adhering to best practices and
coding standards.
∙Conduct code reviews and provide constructive feedback to team members to enhance
code quality.
∙Debug and troubleshoot issues in existing applications, providing timely resolutions.
∙Stay updated with emerging technologies and industry trends to continuously improve
development processes.
∙Participate in Agile development processes, including sprint planning, daily stand-
ups, and retrospectives.
Mandatory Skills:
∙Proficient in Python programming language.
∙Strong knowledge of front-end technologies such as HTML, CSS, and JavaScript.
∙Experience with front-end frameworks like React, Angular, or Vue.js.
∙Familiarity with back-end frameworks such as Django or Flask.
∙Understanding of RESTful APIs and web services.
∙Experience with version control systems, preferably Git.
∙Strong problem-solving skills and attention to detail.
Juntrax is a global integrated office management platform for SMEs.
**What we are looking for : **
* Someone who has led a team of developers in a product-centric company by providing technical direction for the design, development, testing, and release of a product.
* Designed scalable Applications
* Possesses hands-on experience building end to end systems
* Good architectural & product design skills
* Strong coding, data structures and algorithms background
* The ability to own end to end responsibility - right from requirement gathering to product release
* The ability to produce bug-free and production-grade code
* Engage with stakeholders and ensure the product is on target for timely development.
* Possess the following technical skills: Javascript,MeteorJs, NodeJS, MongoDB, ExpressJS, ReactJS, Elastic Search, AWS, ReactNative
* Must be highly motivated and be willing to take up the challenges with working in a start-up.
- Must have entrepreneurial skills.
**Main Responsibilities: **
Build & lead a team by example
* Develop a deep understanding office management product and startup ecosystem and execute to the release of the product
* Architect, design, and document processes and procedures for future releases.
* Should be able to help out in coding and performing code reviews with the team in MERN/Meteor Stack.**
**What we have to offer : **
* -Work with a performance-oriented team driven by product ownership
- Learn to design system for high accuracy, efficiency, and scalability
- Equity and Co-foundership will be offered
- Office Culture based on collaboration and desire to deliver the best product











