Frontend Developer Trainee

Job Title: Sr. Frontend Developer (Javascript)

Location: Remote Only

Experience Required: 4–6 years

Salary Range: 7L – 10L per year

About the Role:

We are looking for an experienced Sr. Frontend Developer with strong expertise in Javascript to join our remote team. The ideal candidate will have 4–6 years of hands-on experience in frontend development, with a focus on building responsive, high-performance web applications. You will work closely with cross-functional teams to design, develop, and implement user-facing features that align with business goals and enhance user experience.

Key Responsibilities:

• Develop and maintain scalable, reusable frontend components and applications using modern Javascript frameworks and libraries.
• Collaborate with UI/UX designers, product managers, and backend developers to deliver seamless user experiences.
• Optimize applications for maximum speed, scalability, and accessibility.
• Write clean, modular, and well-documented code following best practices.
• Participate in code reviews, sprint planning, and agile development processes.
• Troubleshoot, debug, and resolve frontend-related issues.
• Stay updated with emerging frontend technologies and industry trends.

Must-Have Skills:

• Javascript (ES6+)
• React.js
• React Native
• NodeJS (Node.js)
• SQL

Nice-to-Have Skills:

• Experience with state management libraries (Redux, Context API, etc.)
• Familiarity with testing frameworks (Jest, Cypress, React Testing Library)
• Knowledge of frontend build tools (Webpack, Babel, NPM/Yarn)
• Understanding of RESTful APIs and GraphQL
• Experience with version control systems (Git)
• Familiarity with CI/CD pipelines and deployment processes

Qualifications:

• 4–6 years of professional frontend development experience.
• Proven track record of delivering high-quality, production-ready applications.
• Strong understanding of responsive design, cross-browser compatibility, and web performance optimization.
• Excellent problem-solving skills and attention to detail.
• Ability to work independently in a remote environment and communicate effectively with distributed teams.

What We Offer:

• Competitive salary within the range of 7L – 10L per year.
• Fully remote work flexibility.
• Opportunity to work on innovative projects with a talented and supportive team.
• Professional growth and skill development opportunities.

What We’re Looking for in You:

1. Qualifications: Bachelor’s Degree in Computer Science, Information Technology, or a related field

2. Certifications: NA

3. The Experience That Sets You Apart:

● Lead the development of responsive, pixel-perfect web interfaces using HTML, CSS, and JavaScript also Shopify

● Set and maintain frontend coding standards, structure, and best practices

● Collaborate with designers to bring UI/UX concepts to life with clean, maintainable code.

● Optimize web pages for performance, SEO, and cross-browser/device compatibility.

● Guide and mentor junior developers through code reviews and technical support.

● Own project timelines, quality assurance, and delivery for all frontend initiatives

4. Your Subject Matter Expertise:

● Team leadership — 2+ years leading 10+ member teams

● Strong communicator — aligns tech and non-tech teams

● Detail-driven — ensures UI and code precision

● Collaborative — fosters teamwork and mentorship

● Organized — manages time and parallel tasks efficiently

● Service-based mindset — experience in ~200-employee setups

● Composed under pressure — delivers in fast-paced environments

● Solution-focused — navigates challenges with clarity

• Drive UI/UX & design aspects of the platform Innovate on UX to provide the best possible experience to the customer
• Convert UI design wireframes to functional UI (HTML/CSS/JS)
• Build high performant UI features
• Optimise existing features for better performance
• Build reusable code and libraries for future use
• Complete the assigned features with validations
• Should take end-to-end ownership and pride in building assigned features
• Collaborate across the teams to define, design, and ship new features
• Budget work and stick to the deadlines
• Requirements
  
  • 3+ years of experience as a front-end developer
  • At least one product built and published
  • Proven experience in building/or been a lead contributor in a tech set-up
  • Strong analytical and structural thinking skills
  • Passion to build beautiful, responsive and performant user experiences
  • Strong understanding and fundamentals in Javascript & JQuery
  • Proficient in React.js, material design concepts, UI/UX best practices and design standards
  • Willing to work on pure Javascript based projects as well as React.js based projects
  • Proficient understanding of cross-browser compatibility issues and their solutions.
  • Proficient in HTML5 CSS3
  • Proficient with CSS preprocessors LESS and SASS

As the technical lead, you will oversee the company's technical team and all projects they undertake, analyze briefs, write progress reports, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals.

To be successful as a technical lead, you should always be expanding your industry knowledge and be able to quickly identify problems. Outstanding technical leads are accountable, trustworthy, and able to build lasting relationships with their teams.

Responsibilities:

• Determining project requirements and developing work schedules for the team.
• Delegating tasks and achieving daily, weekly, and monthly goals.
• Liaising with team members, management, and clients to ensure projects are completed to standard.
• Identifying risks and forming contingency plans as soon as possible.
• Analyzing existing operations and scheduling training sessions and meetings to discuss improvements.
• Keeping up-to-date with industry trends and developments.
• Updating work schedules and performing troubleshooting as required.
• Motivating staff and creating a space where they can ask questions and voice their concerns.
• Being transparent with the team about challenges, failures, and successes.
• Writing progress reports and delivering presentations to the relevant stakeholders.

Requirements:

• Bachelor's/Master's degree in computer science, engineering, or a related field.
• A 3-4 years of experience in a similar role would be advantageous.
• In-depth experience in working with Reactjs and Go.
• Excellent technical, diagnostic, and troubleshooting skills.
• Experience with blockchain technology preferable.
• Strong leadership and organizational abilities.

•  Lead the design and implementation of our new web-based user interface for our partner management service
  •    Work effectively with product management, UX designers and backend engineers
  •    Commit to deliver high quality, robust, and accessible user interface
  •    Follow software development best practices including writing unit tests and perform code reviews
  •    Build reusable components and libraries and optimize for maximum performance
  •    Provide production deployment support and troubleshooting

What you need to be ready: 

•  Minimum 3+ years of experience in UI Development
•  Thorough understanding of React.js and its core principles with minimum 2 years of experience
•  Prior experience in building customer facing web Application
  •    In-depth knowledge of HTML, Typescript/JavaScript, CSS/Sass, and related frameworks and libraries
  •    Thorough understanding of React.js and its core principles with minimum 2 years of experience
  •    Experience in Single Page Application architecture
  •    Proficient in writing tests using Jest, Mocha or any similar framework
  •    Strong computer science fundamentals in design, data structures, and problem solving
  •    Excellent troubleshooting skills

Kvantum is a career-changing opportunity where you will get to learn the latest and greatest marketing analytics for CPG, Retail, eCommerce, Pharma industry (to name few). At Kvantum, you will be part of a rapidly growing company. You will be able to make your mark; you’ll help write the story.  You will get the chance to go above and beyond, being a hero to your clients and to your team. You will get the chance to make a big impact, applying your coding skills, domain expertise to ready the most innovative marketing science product to Fortune 1000 customers.

What you’ll be doing in your new job:

 As a  Front End/UI Developer at Kvantum you will be working with incredibly talented, optimistic people in an environment that fosters innovation builds trust, and frequently erupts into laughter. You are a natural developer and enjoy helping team members in coding and development. You command respect from your superiors and also from peers. In this role, you’ll demonstrate a proven track record of developing enterprise-grade web frontends using technologies such as JavaScript, Ajax, XHTML and JSON. You'll join a team of exponential application developers who are working hard to develop our next generation SaaS marketing applications.

 Primary Responsibilities includes:

• Develop Proof-of-Concept and prototype applications using new technologies and frameworks. In addition to collaborating with internal teams and clients to create innovative solutions.
• Help establish GUI best practices and JavaScript frameworks for web development.
• Provide context and guidance for integration and implementation of Front-End Interfaces
• Translate wireframes, comps, and functional requirements into functional HTML/ CSS / Javascript.
• Develop standards-compliant mark-up and code for web sites and applications
• Develop JavaScript using standard Frameworks (jQuery, etc.)
• Develop small to medium size custom JavaScript libraries for reuse across the application
• Provide technology and implementation expertise to the domain, projects, or client
• Maintain leading-edge knowledge in emerging technologies and frameworks
• Participate in knowledge sharing and lessons learned sessions from project experiences

For this position, you must have:

• Expert JavaScript/HTML/CSS coding skills.
• 2-4 years of professional experience 
• Minimum 2 years of relevant experience in javascript 
• Minimum 1 year of relevant experience in React.js
• Hands-on experience with the implementation of different design patterns
• Proven experience of developing software using the Agile/SCRUM development methodology
• Command of web standards, CSS based design, cross-browser compatibility
• Experience to optimize the performance of the web application;
• Good understanding of page rendering, DOM manipulation, caching, REST API
• Experience of developing the application using  Test-driven Development(TDD)
• Experience of working on LINUX environment
• Attention to detail, Dedication, and Problem-Solving skills.

Nice to Have: 

• Working experience in any of  these technologies and frameworks: D3.js, Node.js, Express.js, Elasticsearch, GraphQL, Redis
• Experience working with start-ups.
• A good learning curve for new technologies.

We provide a competitive stipend and abundant opportunity for talented people to grow faster. Our people (as we call them Kvants) know how to celebrate success (monthly team events, quarterly company events, employee awards, etc.) and work smart to achieve desired goals.

Disclaimer:

Outside Recruiters: Kvantum prefers to recruit candidates directly. We do not accept unsolicited agency resumes. Please do not contact Kvantum employees with unsolicited resumes. Any resume sent by an outside agency without an explicit signed Kvantum generated agency agreement in place will be considered unsolicited and will not be eligible for payment.