
- Develop Websites in React JS
- Use the best architecture suited for the project
- Familiar with state management
- Integrate API & SDKs
- Covert design to code
- Knowledge of typescript is a plus
- Write clean, structured code
- Should have good experience in Redux / Next

About Zartek Technologies
About
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About the Role :
Were looking for a talented Frontend Developer (2-6 years of experience) who can craft seamless, responsive, and scalable user interfaces. Youll collaborate closely with product and design teams to deliver delightful experiences on a fast-growing online jewelry platform.
Key Responsibilities :
- Build and maintain high-quality, responsive web applications.
- Collaborate with designers and product managers to translate requirements into intuitive UI/UX.
- Optimize applications for performance, security, SEO, and scalability.
- Write clean, maintainable, and well-documented code.
- Debug, troubleshoot, and fix issues across the frontend stack.
- Stay updated with the latest frontend trends and tools to enhance development practices.
Requirements :
- 2 - 4 years of professional experience as a Frontend Developer.
- Strong proficiency in JavaScript/TypeScript with modern frameworks like React.js or Next.js.
- Experience consuming REST or GraphQL APIs.
- Strong understanding of HTML5, CSS3, Tailwind CSS or Styled Components, and responsive design principles.
- Knowledge of version control (Git).
- Familiarity with build tools and CI/CD pipelines.
- Understanding of web performance, accessibility, and SEO best practices.
- Strong problem-solving and debugging skills.
Whats in It for You :
- High ownership role in a fast-paced environment.
- Opportunity to work closely with the founding team and a passionate group of professionals.
- Competitive salary with fast career growth and appraisals.
- Dynamic, collaborative, and politics-free work culture.
- Health insurance coverage.
Additional Details :
- Early-stage startup environment where meaningful achievements require dedication and passion.
- 6-day work week.
- Location : HSR Layout, Bangalore.
What are we looking for:
- We are looking for someone that has an eye for design, solid experience in ReactJS, are value-driven and product-oriented. You will own all phases of user interface development.
- From architecture and design to implementation and customer engagement. This role isn’t just about coding; it's about owning features end-to-end, translating them from concepts to user-centric products
- Each engineer owns the feature they are building and is responsible for turning it into reality, and we will need your front-end expertise to find solutions to problems and challenges and deliver on roadmap objectives.
- 4+ years of experience in web frontend technology, including React, TypeScript, and CSS-in-JS.
- Significant experience with JavaScript frameworks and client-side state management, particularly React.js and Redux.
- Knowledge of 2D visualization libraries like D3 and 3D visualization tools such as Three.js and WebGL is a plus.
- Expertise in developing solutions for complex problems and integrations, with a strong product sense to balance technical and product requirements.
- Skilled in working collaboratively with cross-functional teams, including design, product, tech, learning experience & marketing.
- Independent and capable of producing 'production ready' code with minimal guidance.
- Proficient in performance optimization and CDN caching strategies.
- Nice to have: Full stack experience working in backend.
Requirements
- 3.5+ years of experience in React JS and Redux
- Expert in React.j, ideally using TypeScript language extensions
- Good understanding of JavaScript Design Patterns
- Good experience writing front-end test cases
- HTML5, CSS3 and Responsive web design are mandatory
- Exposure to Scrum methodology and XP technical practices such as unit testing, pair programming, test-driven development, continuous integration or continuous delivery
- Self-motivated, fast learner, detail-oriented, team player and a sense of humour
The Company is looking for a Front End Developer to join our growing team in our
Costa Rica office. Your experience here will give you the opportunity to improve the
fundamentals and learn about the top-notch technologies in front end development. If you are
someone who is passionate about building stellar user experiences and great products through elegant code this would be the job for you. You will play a key role in translating our customers and company needs into appealing and functional web pages while proving your ideas with testing. We all work closely together across teams so there's no red tape or
bureaucracy. We get things done!
What You Will Get to Do
● Work with your team to improve our conversion rates by coding out variations for A/B testing
● Build better user experiences
● Rigorously educate yourself with the latest development techniques and best practices
● Proactively anticipate issues and develop solutions
● Clearly communicate solutions to team members both verbally and in writing documentation
● Implement new digital technologies or development techniques that help to meet business
objectives
What You Bring to the Table
● 3+ years of front-end development experience
● Experience with responsive web design and the ability to deliver outstanding functionality
to the range of client devices from desktops and laptops to mobile platforms
● Familiarity with at least one JavaScript framework (MVW) and know when to do without
one when necessary.
● Understanding of HTTP and how clients interact with a web server.
● Solid understanding of best practices. You read the YDKJS books.
● Capable of coding in ES5 and ES6 and understand the difference between them
● Up-to-date on HTML5 and CSS3 features.
Role:
- Developing a good understanding of the solutions which Company delivers, and how these link to Company’s overall strategy.
- Making suggestions towards shaping the strategy for a feature and engineering design.
- Managing own workload and usually delivering unsupervised. Accountable for their own workstream or the work of a small team.
- Understanding Engineering priorities and is able to focus on these, helping others to remain focussed too
- Acting as the Lead Engineer on a project. Helps ensure others follow Company processes, such as release and version control.
- An active member of the team, through useful contributions to projects and in team meetings.
- Supervising others. Deputising for a Lead and/or supporting them with tasks. Mentoring new joiners/interns and Masters students. Sharing knowledge and learnings with the team.
Requirements:
- Acquired strong proven professional Front End Development experience.
- Proven track record and experience working on Javascript and front end frameworks like React (preferred) and Angular
- Knowledge and experience working with Node.js, Go or any other back end programming language is a plus .
- Experience of turning UI/UX designs to applications and keen interest in the UI/UX side of an application.
- Able to build prototypes quickly and work with the product teams to test a concept.
- Demonstrable experience in building front end or UI/UX development practices in previous jobs.
- Building and implementing a product on cloud based infrastructure.
- Good understanding of Microservice Architecture, Cloud Technologies, CI/CD and Serverless.
- Ability to document requirements and specifications.
- A naturally inquisitive and problem-solving mindset.
- Strong experience in using Agile Methodologies such as Kanban or Scrum to build quality software.
- Good communication skills.
- Developer/Senior Developer Role in Javascript/React
- Design and Develop Libraries for React
- Strong analytical skills - ability to turn business requirements into technical concepts and code
• Minimum 3 years of experience in React (at least 3 projects) and familiar with modern React (Hooks, Context API)
• At least one PWA project
• Deep knowledge of Typescript (at least 2 years)
• Excellent problem solving and communication skill
• Used to writing automated tests with tools like Jest & Cypress
• Working with a ticket tool like Jira
• Experience with SCRUM/Agile Development
• Experiences with NodeJS is a plus
• Experiences with Monorepositorys and Nx is a plus
As a frontend engineer on one of our game teams, you’ll be a key contributor to developing
amazing games that millions of customers around the world enjoy. We’re always looking for great engineers who want to help us build the next amazing game, or expand and improve an
established game. You’ll design and deliver new game systems, new game features, and new
ways to delight our customers and drive revenue. You should have experience in all phases of software development and be self-directed. If you are an all-around great engineer who is willing to learn and tackle hard problems, there are ways to have a huge impact. As part of a small and growing team you will have great opportunities to build systems from scratch and own them.
Responsibilities –
• Working as part of one of our Game team or our systems team.
• Regularly shipping updates to millions of customers.
• Driving the design and iteration of new features and games, making good use of internal and external feedback
• Creating measurable success, be self-directed, and prioritise your own workload
Qualifications –
• 4+ years of professional software development experiences
• Programming experience, preferably in Javascript/Java/C++.
• You should have experience with Cocos Creator, Cocos2d-x or Unity and should be willing to work across these engines. Experience with implementing platform specific solutions is a plus.
• An under the hood understanding of software systems, awareness of best practices to build
generic and performant systems are a plus.
• Strong software engineering skills, including strong fundamentals in Algorithms and Datastructures.
• Demonstrated ability to self-direct, and drive work to completion
• Strong communication skills, and the ability to work closely with a team of peers
What do we offer?
• Competitive salary, discretionary annual bonus scheme and stock allowance.
• Flexible timing and work from home days.
• Relocation allowance
• Located in the heart of vibrant Bangalore. Our office is a stones throw from everything you need.
• Beautifully designed large office space.
• Work directly with experienced founders with deep expertise in their fields
Required Skills -
1) Redux
2) SDK / Websdk integration
3) Stripe Js
4) Auth2.0
5) Axios
6) worked on any live streaming app/ video calling using react js
preferable( zoom calling / Twilio video calling integration / webrtc)
Basics of React:
1) components in React
2) JSX
3) Virtual DOM vs Real DOM
4) Diff b/w ES5 and ES6
5) How React is diff from Angular
6) Reducer
Our current stack is Scala/Angular and Python. The core backend is in Scala with a lot of machine learning components in Python and the MVPs have spark architecture.
Ideally some one who good at Front-end and would like to develop full-stack capabilities.










