Senior Software Development Engineer - UI Engineering

Job Title : Frontend Developer (React + Three.js)

Location : Noida

Experience : 2+ Years

Job Description :

We are looking for a Frontend Developer with strong skills in React.js and Three.js to build interactive, high-performance 3D web applications. The role involves creating smooth 3D experiences, optimizing performance, and collaborating with cross-functional teams.

Key Responsibilities :

• Develop responsive and dynamic UIs with React.js/Next.js.
• Implement and optimize 3D visualizations using Three.js/WebGL.
• Manage 3D assets (GLTF/GLB, textures, compression).
• Ensure performance optimization, cross-browser compatibility, and scalability.
• Collaborate with designers and backend teams to deliver seamless experiences.

Required Skills :

• JavaScript/TypeScript, React.js/Next.js
• Three.js / WebGL for 3D rendering & interactions
• State management (Redux, Zustand, Context API)
• 3D asset pipeline (GLTF/GLB, textures, compression tools)
• Performance optimization (profiling, draw calls, FPS tuning)
• API integration (REST/GraphQL)
• Version control (Git)

MUST-HAVES:

• 5+ years of professional experience in web development.
• Strong proficiency in React.js and the Next.js framework.
• Solid understanding of JavaScript (ES6+), HTML5, Tailwind and TypeScript.
• Experience with server-side rendering (SSR) and static site generation (SSG).
• Familiarity with state management libraries (e.g., Redux, Context API).
• Proficient with version control systems like Git.
• Experience with modern build tools and package managers (e.g., Webpack, Babel, NPM/Yarn).
• Familiarity with API integration (REST, GraphQL).
• Strong understanding of web performance optimization techniques.
• Knowledge of testing frameworks (e.g., Playwright, Jest, Cypress).
• Ability to work in an Agile environment, collaborate with cross-functional teams, and deliver high-quality code under tight deadlines.

SKILLS: REACT, REACT NATIVE, PLATFORM INTEGRATION, JAVASCRIPT

Notice Period: 0-15 Days only

Additional Guidelines:

Interview process: - 2 Technical round + 1 Client round

3 days in office, Hybrid model.

JOB DESCRIPTION:

We are seeking a highly skilled Senior Web Developer with deep expertise in React and Next.js to join our growing team. The ideal candidate will have extensive experience in building high-quality, scalable web applications and will take ownership of both frontend development and architecture. As a Senior Developer, you will collaborate closely with product managers, designers, and other developers to deliver robust and performant solutions. Your ability to solve complex problems, optimize web performance, and mentor junior developers will be key to success in this role.

KEY RESPONSIBILITIES:

• Design, develop, and maintain web applications using React and Next.js.
• Architect and optimize web pages for speed and scalability.
• Build reusable components and front-end libraries for future use.
• Implement server-side rendering and static site generation using Next.js.
• Collaborate with the backend team to integrate APIs and ensure seamless front-end and back-end communication.
• Ensure the technical feasibility of UI/UX designs and implement pixel-perfect user interfaces.
• Work with product teams to build features that improve user engagement and satisfaction.
• Troubleshoot, debug, and upgrade existing systems.
• Provide technical leadership and mentorship to junior developers.
• Stay up-to-date with the latest web development trends, frameworks, and tools.

REQUIREMENTS:

• 5+ years of professional experience in web development.
• Strong proficiency in React.js and the Next.js framework.
• Solid understanding of JavaScript (ES6+), HTML5, Tailwind and TypeScript.
• Experience with server-side rendering (SSR)and static site generation (SSG).
• Familiarity with state management libraries (e.g., Redux, Context API).
• Proficient with version control systems like Git.
• Experience with modern build tools and package managers (e.g., Webpack, Babel, NPM/Yarn).
• Familiarity with API integration (REST, GraphQL).
• Strong understanding of web performance optimization techniques.
• Knowledge of testing frameworks (e.g., Playwright, Jest, Cypress).
• Ability to work in an Agile environment, collaborate with cross-functional teams, and deliver high-quality code under tight deadlines.

PREFERRED QUALIFICATIONS:

• Experience with Next.js API routes and serverless functions.
• Familiarity with cloud platforms (e.g., AWS, Vercel) and CI/CD pipelines.
• Experience with modern CSS frameworks (e.g., Tailwind, Styled Components).
• Knowledge of SEO best practices for React and Next.js applications.
• Contributions to open-source projects or a portfolio of personal projects.

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.

About Incresco:

At Incresco, we help startups and enterprises to build their MVP and for their digital transformation.

Job Description/ Responsibilities:

We are looking for a frontend developer who is well-versed in React /React Native/Next.js. You will be responsible for developing a web or mobile application. You will be joining a talented, collaborative team that is very passionate about solving this massive problem. 

Below is a list of several skills required to deliver on responsibilities for this role:

1. 0-2 years of experience in React /Next.js/ React native development
2. Should be able to write reusable, testable, and efficient code. 
3. You should be able to build pixel-perfect, amazingly smooth UIs across both web and mobile platforms. Experience In building design system is an added advantage
4. Diagnose and fix bugs and performance bottlenecks for performance that feels native.
5. Reach out to the open-source community to encourage and help implement mission-critical software fixes
6. Maintain code and write automated tests to ensure the product is of the highest quality.
7. Firm grasp of the JavaScript language and its nuances, including ES6+ syntax.
8. Rock-solid at working with third-party dependencies and debugging dependency conflicts.
9. Good to know GraphQL, Firebase, and offline storage

Benefits:
1. Competitive pay.
2. Macbooks
3. Continuous learning and solving real challenges across the globe

Immediate joiners are preferred.

Location: Bangalore

• 💰 Early-stage, ed-tech, funded, growing, growing fast.
• 🎯 Mission Driven: Make Indonesia competitive on a global scale.
• 🥅 Build the best educational content and technology to advance STEM education
• 🥇 Students-First approach
• 🇮🇩 🇮🇳 Teams in India and Indonesia

• You primarily identify as a Frontend Engineer or a UI Engineer and are comfortable working on the browser side of things with 7+ years experience (preferably from B2C startup companies).
• You can build accessible interfaces with semantic HTML, CSS, and Javascript.  
• You can build reusable, performant, and well-tested web applications that are responsive and work across various devices and platforms.  
• You can build features from scratch which are modular and scalable. You don’t hesitate to take them from design to implementation.
• You have shipped code to production recently and regularly.
• You are experienced in working with using modern web frameworks, like React, Vue, and friends. We use React but prefer people with strong web concepts and fundamentals who are open to learning any framework/library. 
• You are fluent in using the tools of the trade: editors, git, command line, Slack, Jira (unfortunately yes)
• You are driven, you care about turning in quality work, and improving your craft.
• You have high integrity, and you are reliable.

• Mentorship and continuous improvement are a part of the team’s DNA. We have a battle-tested robust growth framework. You will have people to look up to and people looking up to you.
• We are a people-first, high-trust, high-autonomy team.
• We live in the TDD, Pair Programming, First Principles world

• Distributed does not mean working in isolation, feeling alone, being buried in Zoom calls.
• Our leadership team has been WFH for 10+ years now and we know how remote teams work. This will be a place to belong.
• A good balance between deep focussed work and collaborative work ⚖️

• 30-minute alignment check and screening call
• A short take-home coding assignment, no more than 2-3 hours. Time is precious.
• Pair programming interview. Collaborate, work together. No sitting behind a desk and judging.
• In-depth engineering discussion around your skills and career so far.
• System design and architecture interview for senior roles.

• Bring your software engineering — both individual brilliance and collaborative skills.
• Bring your good nature — we're building a team that supports each other.
• Be vested or interested in the company vision