Software Engineer / Senior Software Engineer (React JS)
Responsibilities
- Developing new user-facing features using ReactJS
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Understand business requirements and translate them into technical requirements
- Building robust applications that can handle both unexpected errors and heavy load
- 3+years experience in Reactjs
- Strong proficiency in JavaScript and Typescript
- Strong Knowledge of Redux/React Context/Hooks
- Strong Knowledge of frontend end technologies such as HTML/CSS
- Experience developing with responsive applications
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools like Webpack or Create React App
- Familiarity with Git

Similar jobs
Company: Lyncstack
Website: https://www.lyncstack.com/
Employment Type: Contract (3 months, extendable)
Experience: 1–3 years
Location: Remote (IST / Middle East-friendly time zones preferred)
About Lyncstack
Lyncstack is an early-stage product startup building a modern collaboration platform designed for fast-moving teams. We are focused on clean architecture, strong engineering discipline, and shipping meaningful features—not vanity demos.
We are currently in the MVP build phase and are assembling a small, high-trust engineering team to lay the foundation of the product.
Role: Frontend Engineer
We’re looking for a Frontend Engineer who can own frontend components end-to-end and help shape the UI architecture of Lyncstack’s core product.
You’ll work closely with the founder (acting as product owner/architect) and the backend engineer to build scalable, maintainable, and performance-conscious user interfaces.
Responsibilities
- Own frontend components from design to production
- Build scalable and maintainable UI using React
- Translate product ideas into clean, intuitive user experiences
- Collaborate directly on backend integration and product decisions
- Maintain high UI discipline, performance awareness, and code quality
Minimum Requirements
- 1–3 years of hands-on frontend development experience
- Strong proficiency in React and modern JavaScript / TypeScript
- Experience with component-driven architecture
- Prior experience shipping real, user-facing features
- Ability to work independently and take ownership
Nice to Have
- Experience with early-stage products or MVPs
- Familiarity with Tailwind CSS or modern styling systems
- Exposure to performance optimization and frontend best practices
- Interest in product thinking, not just implementation
Why Join Lyncstack?
- Work directly with the founder on core product decisions
- High ownership and real impact from day one
- Clean codebase, no legacy mess
- Contract role with potential extension based on performance
📩 Interested?
Apply via LinkedIn or apply from lyncstack website or reach out with your profile and GitHub/portfolio links.
About us
Founded in 2018, Seventh Triangle is a Direct to Consumer enabler and Digital Transformation Agency. As a Shopify Plus Partner in India, we collaborate with top enterprise brands including Jockey, Titan, Nykaa, and V-Guard to achieve Revenue & Profitability growth using Data, Technology and Marketing interventions. With 120+ team members across Noida and Bengaluru, we’re known for driving measurable eCommerce success in the D2C and Shopify space. At Seventh Triangle, we help D2C businesses primarily with four service stacks which are Technology (Store Migration, Revamp, CRO and monthly maintenance), UI & UX, Growth Marketing (Performance, Retention and SEO) and Data Analytics (Management Dashboards).
📌 Key Responsibilities
- Develop and customize Shopify themes using Liquid, HTML, CSS, JavaScript
- Build responsive, mobile-first e-commerce interfaces across all devices
- Implement custom features and functionalities based on client needs
- Optimize themes for speed, performance, and UX
- Integrate third-party apps and APIs with Shopify stores
- Troubleshoot and resolve theme-related bugs and issues
- Collaborate closely with designers to convert mockups into functional themes
- Ensure cross-browser compatibility and adherence to web standards
- Maintain and enhance existing Shopify stores
- Stay updated with Shopify releases, best practices, and trends
🛠 Required Technical Skills
- 1+ years of experience in frontend web development
- Strong proficiency in Liquid
- Expert-level knowledge of HTML5, CSS3, Vanilla JavaScript
- Solid understanding of Shopify theme architecture & file structure
- Experience with Shopify CLI
- Strong grasp of responsive/mobile-first development
- Familiarity with Git/version control
- Knowledge of web performance optimization (must-have)
- Shopify API & App development experience (nice-to-have)
- Experience with SASS/SCSS (plus)
🎓 Qualifications
- Bachelor’s degree in CS / IT / related field (B.E./B.Tech/MCA)
- Must be from a full-time program (no part-time or distance)
🌟 Personal Attributes
- Strong attention to detail and quality
- Excellent problem-solving abilities
- Comfortable working independently & within a team
- Clear communication skills for client and team interactions
- Self-motivated and able to manage multiple projects
- Adaptable to changing requirements and priorities
💼 What We Offer
- Competitive salary package
- Professional development & learning opportunities
- Collaborative, creative, and growth-focused environment
- Chance to work on diverse, high-impact e-commerce projects
We are looking for a proactive and skilled MEAN Stack Developer with 2–4 years of experience to join our growing team at Rudra Innovative Software Pvt. Ltd. The ideal candidate must have strong proficiency in Angular and TypeScript, along with hands-on experience in the full MEAN Stack (MongoDB, Express.js, Angular, Node.js). Exposure to microservices architecture is highly desirable.
Key Responsibilities:
- Develop, enhance, and maintain robust web applications using the MEAN stack
- Write clean, maintainable, and efficient code with a strong focus on Angular and TypeScript
- Integrate and manage RESTful APIs and backend services using Node.js and Express.js
- Collaborate closely with designers, testers, and other developers for end-to-end delivery
- Work on designing and developing microservices-based components where applicable
- Participate in daily standups, code reviews, and technical discussions
- Troubleshoot application issues, perform root cause analysis, and implement solutions
Required Skills:
- 2–3 years of solid experience with Angular (v18+) and TypeScript
- Awareness of current Angular features like standalone components and signals
- Strong foundation in JavaScript, HTML5, and CSS3
- Proficient in Node.js and Express.js development
- Familiar with MongoDB and writing optimized database queries
- Good understanding of RESTful APIs, JSON, and API integration
- Hands-on experience with Git and version control practices
- Exposure to microservices architecture and understanding of its types (e.g., API gateway, database per service, event-driven communication)
- Excellent debugging, problem-solving, and communication skills
Preferred Qualifications:
- Bachelor’s degree in Computer Science, IT, or a related field
- Prior experience working in Agile/Scrum environments
- Familiarity with Docker, Kubernetes, or any cloud services is a plus
What We Offer:
- Opportunity to work on exciting and challenging global projects
- Supportive, collaborative, and innovation-driven work environment
- Competitive compensation with performance-based incentives
- Ongoing training, learning resources, and growth opportunities
Talview is seeking experienced frontend developer to join our engineering team building next generation reactive web app applications for the talview platform. We're looking for passionate, creative developers who are excited about solving new problems. As a developer, you will work through the full project lifecycle to design, develop, test, implement and support the web applications. You will have the opportunity to work in a dynamic environment on highly impactful projects. We don't expect you to know everything coming in, so we'll pair you with mentors who will help you grow and develop your skills.
We want to hire the right person wherever you are in the world. You’ll enjoy working in a fantastic development environment with flexible working hours .
Skills & Requirements
We expect to see:
- 2-5 year of experience.
- Expertise with JavaScript and modern JS reactive frameworks like React JS/ Vue / Svelte.
- Experience writing semantic HTML5 markup and CSS3.
- Expertise developing web apps with responsive/adaptive design and progressive enhancement.
- Understanding of major browsers and the special considerations required for various quirks.
- Experience with mobile web development.
- Experience with Node.js, package management, build systems (webpack/rollup/esbuild) and the OSS ecosystem.
- Experience with VCS and Git in particular.
- A strong design sense and knowledge of how product design affects UI/UX.
- Strong Javascript foundation and clear understanding of Javascript classes, prototype based inheritance, modules, etc.
We like to see (but not required):
- An active Stack Overflow and Github profile
- Prior experience with UI frameworks and javascript
- Any open source code or example projects that you're proud of
- Experience in developing SaaS products with an engaged user base
- Any other evidence of your passion for building great applications
Qapita is a SaaS-Net startup with offices in India & Singapore. Qapita’s vision is to transform how equity is managed and traded in the private capital markets in this region. Qapita’s software solution seeks to automate the equity management process for startups including workflows around CapTables, ESOPs, Due-diligence, and transactions. Qapita’s market place solution seeks to facilitate liquidity to ESOP holders and shareholders via structured liquidity programs and secondary transactions. Qapita seeks to automate all processes for equity matters in private markets via its digital platform.
We are looking for a Senior Frontend Developer who is curious, craves for new challenges and loves to solve problems using latest technology. In this role, you will be responsible for developing and implementing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack.
You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
Our Tech stack:
Frontend: React, Typescript, Html, SCSS
Backend: Linux (Ubuntu), ASP.NET Core, C#, Nginx, MongoDB, EventStoreDB
Responsibilities: As a Senior Frontend Developer, you will be
• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly-responsive user interface components using React concepts.
• Writing application interface code using TypeScript following React.js workflows.
• Troubleshooting interface software and debugging application code.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.
Desired Skills and Experience :
• Bachelor's degree in Computer Science, Information Technology, or a similar field.
• Previous experience working as a React.js Developer (4+ years).
• In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
• Knowledge of TypeScript a plus.
• Knowledge of React tools including React.js, Webpack, Redux.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
Job Description: React JS Developer (8+ years) with Strong Next JS Experience
Location: Remote/Gurgaon (GGN)
Shift: 5:30 pm to 2:30 am
Maximum Budget: 15 LPA
We are looking for a highly skilled and experienced React JS Developer with a strong background in Next JS. As a React JS Developer, you will be responsible for developing high-quality web applications using React JS and Next JS frameworks. This is a remote position with an option to work from our office in Gurgaon.
Responsibilities:
- Develop responsive web applications using React JS and Next JS frameworks.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Translate designs and wireframes into high-quality code.
- Write clean, maintainable, and efficient code.
- Ensure the performance, quality, and responsiveness of applications.
- Identify and address performance bottlenecks.
- Participate in code reviews to maintain code quality standards.
- Troubleshoot and debug issues reported by the QA team or end-users.
- Stay up-to-date with the latest industry trends and technologies related to React JS and Next JS.
- Mentor junior developers and provide technical guidance when needed.
- Work in a fast-paced, agile development environment.
Requirements:
- Minimum 8 years of experience as a React JS Developer.
- Strong hands-on experience in Next JS is a must.
- In-depth knowledge of React JS and its core principles.
- Proficient understanding of web markup, including HTML5, CSS3.
- Familiarity with RESTful APIs and asynchronous request handling.
- Experience with popular React JS workflows (such as Redux).
- Familiarity with code versioning tools such as Git.
- Experience with optimizing web applications for maximum speed and scalability.
- Excellent problem-solving and analytical skills.
- Good communication and interpersonal skills.
- Ability to work independently as well as in a team.
- Immediate joiners preferred.
We offer a competitive salary package with a maximum budget of 15 LPA, commensurate with skills and experience. This is an excellent opportunity to join a dynamic team and work on challenging projects in a remote or Gurgaon-based environment.
If you meet the above qualifications and are eager to contribute to our organization's success, please submit your resume and portfolio. We are looking for immediate joiners, and the selection process will be expedited for such candidates.
Job Description :
- We are a Fintech Company based in Pune, a B2B Trade Digitization platform for SMEs and Corporates to collaborate and work with Financial Institutions to raise short term fundings for payables and receivables financing.
- We are thus well placed to help Corporates and their Supply Chains to meet their GST needs.
Technologies
The platform is built using a polygot technology stack:
● Platform Backend: JVM
● Web Layer: ReactJS and related ecosystem, HTML, Javascript, CSS, Bootstrap
● API & Business Layer: Kotlin and functional programming
● Client Apps and Customer Integrations: Kotlin, Jersey ReST Framework, home
grown optimized HTTP and SQL libraries
● Mobile Apps: Android, iOS
● Database: MySQL
○ JVM – Hibernate & Exposed as ORM library
○ Python – SQLAlchemy as ORM library
● Build Tools: Gradle, Shell Scripting, AWS Code Build, Jenkins
● Ops Automation: Ansible, Terraform
● Servers: Ubuntu Linux
● Version Control: GIT
● Test Automation: Python - unittest, pyhamcrest, freshen, nose. JVM – Junit,
Kotlin Test
● Cloud Providers: Amazon AWS, Linode
Requirements
We are a self organized engineering team with a passion for programming and solving
business problems for our customers. We are looking to add a Senior UI Developer in
our team having hands-on technical experience of 6+ years. We encourage our team to
continuously learn new technologies and apply the learnings in the day to day work
even if the new technologies are not adopted. We strive to continuously improve our
practices and expertise to form a solid backbone for the product, customer relationships
and sales teams which enables them to add new customers every week to our financing
network.
As an engineering team member, you will
● Work collaboratively with product, customer support and DevOps team to build,
enhance, maintain, deploy and operate our systems.
● Continuously automate operational processes to improve efficiencies and
productivity and enhance customer experience
● Work closely with the architect to continuously refactor the system architecture
and design to meet the changing landscape triggered by technology changes
and business growth
● Work with the DevOps team to build and maintain tools for deployment,
monitoring and operations.
● Ensure that development processes and deliverables always adhere to the
mandates laid down for for various certifications (PCI and ISO 27001 in
particular)
Skills required
● Pre-requisites: Hands on experience in ReactJS and Redux. Experience in
typescript will be an additional benefit.
● Should be passionate about technology and ready to deep dive into
programming .
● Should have sound expertise of writing testable code and appreciate defect free
coding.
● Should be able to reason/argue/discuss/suggest solutions and alternatives.
● Should be able to decipher the core problem to be solved during discussions
with product team and/or customers
● Should have good communication skills and experience working in teams
● Experience of working in financial domain will help but not a necessity
- Build, extend, and maintain reusable UI components that will be used across many applications.
- Develop best practices and guidelines for contributing UI and reusable components to a central component library.
- Perform installation of code releases and patches and write scripts or programs for IT applications.
- Work closely with our UX design team to ensure usable designs with a consistent look and feel.
- Maintain high-quality code and ensure best practices for UI development.
- Ensure designs follow Web Content Accessibility Guidelines (WCAG)
- Work in a fast-paced agile environment partnering with software engineering teams.











