Senior Fronted Developer

About the Role:

We are hiring a Senior Frontend Engineer to build high-performance, scalable, and visually refined web applications. This is a hands-on engineering role focused on architecture, performance, and crafting exceptional user experiences.

You will work closely with design, product, and backend teams to build robust frontend systems, define engineering standards, and ship production-grade features that scale.

Responsibilities:

- Build scalable, modular frontend applications using React, Next.js, and TypeScript

- Architect component-driven UI systems and reusable design libraries

- Implement robust state management using Redux, Zustand, or similar

- Optimize Core Web Vitals, performance, and accessibility (WCAG)

- Translate Figma/design specs into pixel-perfect, production-grade interfaces

- Improve build systems, CI/CD pipelines, and developer tooling

- Implement testing strategies — unit, integration, and E2E (Jest, Cypress, Playwright)

- Mentor junior engineers and define engineering standards

- Collaborate with backend teams to design API contracts and integrations

Must Have:

- 5+ years of experience in frontend engineering

- Strong expertise in JavaScript/TypeScript and React/Next.js

- Experience building scalable frontend architecture from scratch

- Deep understanding of browser rendering, performance, and optimization

- Strong grasp of responsive design and accessibility best practices

- Experience with state management — Redux, Zustand, or similar

- Ability to write clean, maintainable, production-ready code

Good to Have:

- Experience building design systems or component libraries

- Familiarity with SSR/SSG and performance-driven architectures

- Experience with micro-frontends or large-scale frontend systems

- Exposure to cloud deployment workflows and frontend observability

- Three.js or WebGL experience

Tech Stack:

JavaScript / TypeScript · React · Next.js · Tailwind · Redux / Zustand · Webpack / Vite · Jest · Cypress · Playwright · GraphQL · REST APIs

Work Details:

- Location: HSR Layout, Bengaluru (Work from Office)

- Working Days: 6 days/week (Mon-Fri WFO, Sat WFH)

- Employment Type: Full-time

Compensation:

- Competitive salary

- Stock options with 4-year vesting

- Performance-based incentives

To Apply:

Share your resume, GitHub profile, portfolio or live product links, and a short note on a challenging frontend problem you solved.

Company

Stackera is a leading Fintech Development Services company located in Pune. We are dedicated to delivering quality and innovative solutions to our clients with seamless service.

About the Role

We are looking for a Frontend Developer who is highly skilled in Next.js and modern JavaScript frameworks to join our frontend engineering team. This role is ideal for someone who is passionate about building user-friendly interfaces that are fast, responsive, and scalable.

You’ll be working on high-impact fintech products that require both technical excellence and creative thinking. Your work will directly influence user experience and engagement across a range of web applications, including financial dashboards, analytics platforms, and client portals.

What You’ll Do

• Design, develop, and maintain modern web applications using Next.js, React.js, and associated technologies.
• Collaborate with cross-functional teams including backend developers, UI/UX designers, and product owners.
• Translate UI/UX design wireframes into high-quality code with pixel-perfect accuracy.
• Build responsive, accessible, and cross-browser compatible components.
• Optimize application performance for speed, scalability, and usability.
• Integrate front-end logic with RESTful APIs and real-time systems (e.g., WebSockets).
• Write clean, reusable code and maintain clear documentation.
• Participate in sprint planning, daily stand-ups, and code reviews to ensure continuous improvement.
• Ensure security best practices in frontend implementation.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of hands-on experience in frontend development using Next.js and React.js.
• Proficient in Redux, Hooks, Context API, and component-based architecture.
• Solid understanding of HTML5, CSS3, JavaScript (ES6+), and responsive design principles.
• Experience building high-performance web applications with real-time data updates.
• Familiarity with frontend testing frameworks like Jest, Cypress, or similar.
• Ability to work in an agile environment with CI/CD processes.

Preferred (Good to Have)

• Exposure to Web3 technologies
• Experience with Ethereum, Solana, or other blockchain ecosystems.
• Understanding of containerized deployment using Docker.
• Familiarity with CI/CD tools like GitHub Actions, Jenkins, or GitLab CI.

What We Offer

• A collaborative and supportive team environment
• Exposure to cutting-edge projects in fintech and emerging tech
• Freedom to innovate and bring ideas to life
• Competitive compensation and performance-based growth
• Flexible work hours and focus on work-life balance

PREFERRED QUALIFICATION AND SKILLS:

• In depth knowledge of HTML5 • In depth knowledge of CSS3 (Less, Sass, Stylus is a plus), knowledge of BEM methodology is preferred

• Detailed knowledge of JavaScript (ES2015 is a plus) is a must

• Good knowledge of Node.js & npm

• Gulp or Grunt experience is a plus • Experience with Atomic design paradigm is a plus

• Experience in any JS framework(Angular, React + Redux, Vue, etc.,) is must

• Understanding of Web Accessibility WCAG guidelines.

• Must be able to mentor and guide junior technical resources.

• One who is proactive and come forward with technology related initiatives. Motivated selfstarter.

 • Good Communication skills. English - Oral and Written.

• Designing and developing interactively Adapting / Responsive web applications using best practices on ReactJs and the latest front-end technologies.

• Writing tested, idiomatic, and documented JavaScript, HTML and CSS, LESS / SASS.

• Cooperating with the back-end developer in the process of building the RESTful APIs.

• Participate in complex technical and design decisions for ReactJs projects.

• Ensuring high performance of applications (on mobile and desktop) and providing support.

• Work closely with design teams, development teams and testing teams.

• Coordinate team deliverables assuring Quality and Completeness.

• Unit Testing.

Technical Skills:

• Highly Skilled with proven experience in React 16+ and its State Management tools like Redux, styling framework like Material UI.

• Proficient in CSS, LESS / SASS, Semantic HTML, and writing cross-browser compatible code.

• Extensive experience using JavaScript/ Typescript, HTML5, CSS/CSS3, LESS/SASS, Bootstrap, AJAX, JSON, Gulp, Grunt etc.

• Good Knowledge in Rest APIs/ GraphQL.

• Experience in tools such as GIT / SourceTree / Bit Bucket, JIRA, Confluence, etc.

• Should have understanding of the agile methodology

• User should have basic knowledge on tools like Figma / Adobe XD and photoshop etc.

Nice to have:

• Nice to have knowledge in Angular, NextJs.

• Nice to have knowledge in Progressive Web Application (PWA), Service Worker and Web Worker, etc.

• Best practices for Website Accessibility (WCAG)

Personal Traits:

• Strong Verbal and Written communication skills, such as meeting facilitation, presentation and documentation

• Work day-to-day with development team, QA testing team, providing expert support to each as needed and appropriate.

• Lead and Coordination experience with critical thinker and good problem-solver.

Education Qualification

• UG: B. Tech / B.E. – Computers OR PG: MCA / M. Tech

Responsibilities

• Work closely with the design and backend team to build and develop web applications for our forward-thinking products.
• Design large-scale systems with high complexity to support our high throughput applications.
• Understand how to leverage infrastructure for solving such large-scale problems.
• Develop tools and contribute to open source wherever possible.
• Adopt problem-solving as a way of life - always go to the root cause.
• Develop scalable front-end engineering, for the largest FinTech companies in India who use our product.
• Actively think about improving UX and UI.
• Collaborate with the team to discuss and implement ideas.
• Build responsive, robust, and optimized applications.

• Professional development experience with Angular 10
• At least 1-2 years of JavaScript development experience for web applications.
• Strong eye for design, UI, and UX.
• Passion for front-end development.
• Willingness to learn and experiment with new technologies.

Responsibilities:

• Participating in design and development activities as required for specific projects allocated
• Understand the project requirement and able to implement and complete the allocated modules independently.
• Follows established development and testing procedures to ensure quality software development which meets the requirements
• Creates and maintains documentation regarding systems being developed in order to ensure long-term maintainability

Requirements:

• BTech or equivalent degree from a reputed institute
• Proven hands-on Software Development experience
• Design & Develop HTML5 games with the help of HTML5, CSS3, JavaScript, AJAX, SVG, Pixijs library across multiple platforms(Web/ MobileTablet/ TV)
• Building reliable and efficient code for game projects
• Should understand build milestone process and meet project timeline.
• Helps drive the delivery of successful, cutting edge products by working on a team with other Developers, and Designers
• Work towards optimization and best practices, increase performance of our application
• 1 to 3+ years of development experience. (Preferably Gaming)
• Good knowledge of HTML5, CSS3, JavaScript, AJAX, SVG, JSON
• Strong understanding of Object-Oriented Programming, and Design Patterns for Games and Web Applications
• Familiarity with any of the current generation JavaScript frameworks like PixieJS, CreateJs, Starling etc
• Strong attention to detail and knowledge of robust quality assurance practices
• Strong testing, debugging, and analytical skills