Frontend TypeScript Developer Job at Serokell

Junior Frontend Developer (React | Next.js | TypeScript | Scalable UI Systems)

We are looking for a Junior Frontend Developer who can lead the development of s...

Location

India , Vidyavihar, Mumbai

Salary:

Not provided

dMACQ

Expiration Date

Until further notice

Requirements

Strong experience with React and modern frontend development
Proficiency in JavaScript and TypeScript
Hands-on experience with Next.js (SSR, routing, performance optimization)
Deep understanding of state management (Redux, Zustand, React Query, etc.)
Strong knowledge of HTML, CSS, and responsive design principles
Experience building scalable and maintainable frontend architectures
Solid understanding of API integration and async data handling
Experience with testing frameworks (unit and/or E2E)
Ability to write clean, maintainable, and well-documented code
Strong debugging and problem-solving skills

Job Responsibility

Build and maintain scalable, high-performance web applications
Develop reusable, modular, and maintainable UI components
Implement responsive and accessible user interfaces
Optimize applications for performance, speed, and SEO
Design and contribute to frontend architecture for large-scale systems
Enforce coding standards and best practices across the team
Conduct code reviews and ensure high-quality deliverables
Manage application state using modern state management tools
Integrate APIs and handle data fetching, caching, and synchronization
Implement robust error handling and edge-case management

Fulltime

Frontend Developer

Do you enjoy building interfaces in React and TypeScript that not only work well...

Location

Netherlands , Zoetermeer

Salary:

3400.00 - 4500.00 EUR / Month

Parking Network B.V.

Expiration Date

June 19, 2026

Requirements

3-5 years of experience as a Frontend Developer (or in a similar role)
Expertise in React and TypeScript/JavaScript (ES6+)
Strong skills in HTML5 and CSS3
Experience with API integrations through REST and/or GraphQL
You work cleanly and consistently with Git (clean commits, logical branch management, strong PRs)
You are comfortable working in an agile environment and think with a product mindset
You stay in control when working at pace and with deadlines: you estimate realistically, keep your commitments, and flag risks on time
You communicate clearly and directly in an international team (strong English skills)

Job Responsibility

Build and improve frontend features in React and TypeScript (ES6+), with a focus on performance and usability
Integrate APIs and data flows through REST and GraphQL
Translate designs into reusable UI components using HTML5 and CSS3
Contribute to architecture discussions and create or interpret diagrams (UML/C4) to communicate decisions
Deliver code with strong Git hygiene (logical branching, clear commits, clean PRs)
Troubleshoot issues in a structured way across codebases and environments
Provide feedback through PRs, pair with colleagues, and support junior and mid-level developers
Plan and refine work: estimate realistically, meet commitments, and raise risks early

What we offer

competitive gross monthly salary
group discount on supplementary health insurance
solid pension scheme
option to work partly from home (2 days from home, 3 days in the office)
education and training opportunities
modern head office at the Dutch Tech Campus
office easily accessible by car and public transport

Fulltime

Senior Frontend Developer - Vue.js

Join DKB Code Factory as a Senior Frontend Engineer and take on a pivotal role s...

Location

Spain , València

Salary:

Not provided

Vue

Expiration Date

Until further notice

Requirements

Proven experience building production frontend applications using Vue and modern JavaScript/TypeScript, with strong understanding of UI architecture, component design, and state management patterns.
Practical experience with REST API integration and client-server resilience patterns.
Hands-on experience with testing and automation (preferred: Playwright, Vitest
familiarity with Jest/Selenium is a plus).
Demonstrable knowledge of frontend performance optimization and measuring improvements (lab and field metrics).
Familiarity with CI/CD pipelines, frontend build tooling (Vite/bundlers), and browser debugging tools.
Experience using monitoring or observability tools (e.g., Grafana) to inform post-release actions

Job Responsibility

Own and deliver user-facing features end-to-end (UI + integration) with clear acceptance criteria, automated tests, and production monitoring.
Drive measurable usability improvements for key flows using analytics and user feedback (e.g., increase task completion or reduce friction on target metrics).
Establish and evolve reusable UI primitives and Storybook documentation to increase component reuse and reduce duplication across the product.
Define and enforce frontend standards for testing, accessibility, and performance
integrate checks into CI to reduce regressions.
Optimize critical user journeys for performance and reliability (Core Web Vitals, payload reduction, render optimisation).
Mentor peers through code reviews, workshops, and knowledge shares to raise team frontend craftsmanship.
Collaborate closely with Product, UX/UI Designers, Backend, QA, and DevOps to align technical choices with product outcomes

Middle Frontend Developer (Shopify)

We are an IT company, JATAPP, creating products that are used by millions of use...

Location

Salary:

Not provided

JatApp

Expiration Date

Until further notice

Requirements

Experience with Shopify and E-commerce platforms
Experience with Vue.js or React
Experience building and maintaining Shopify stores
Understanding of REST API and GraphQL
Experience with Liquid, TypeScript, HTML, and CSS
Experience integrating third-party services and working with APIs
Experience with Git and modern development practices
Ability to work independently and make decisions without constant oversight
Proactive mindset: willingness to suggest improvements, new approaches, and tools

Job Responsibility

Developing, maintaining, and scaling e-commerce stores built on Shopify
Implementing new features, integrations, and enhancements for the Shopify platform
Integrating inventory management systems, payment services, logistics solutions, and other e-commerce services
Working with Shopify APIs and integrations with internal systems and third-party services
Ensuring platform stability and compatibility with new Shopify updates
Developing and maintaining web products and marketing funnels
Collaborating with marketing, product, analytics, and design teams

What we offer

Health insurance
Benefits Cafeteria (sports, food delivery, home office supplies)
Knowledge sharing events
Remote-First Culture (work remotely or at coworking space)
Personal Equipment Policy (MacBook and necessary equipment)
Learning and Development Opportunities (cover learning costs and English courses)
Community of like-minded people
Creative freedom
Legal & Finance Support
Time-off Policy (20 vacation days per year, 5 days sick leave without medical confirmation, unlimited sick leave with doctor's note, 3 personal days, 2 days off for special events)

Fulltime

Freelance Frontend Developer

A major European telecommunications group is establishing a new technology hub i...

Location

Hungary , Budapest

Salary:

250.00 - 350.00 EUR / Day

Xcede

Expiration Date

July 11, 2026

Requirements

Proven experience as a Lead or Senior Frontend Developer in enterprise environments
Expert-level Angular (v7–17) and/or React with TypeScript
Strong proficiency in JavaScript, HTML, CSS/SCSS
Experience building and maintaining component libraries and design systems
REST API integration experience — working closely with Java/Spring Boot backends
Familiarity with state management: NgRx, NGXS, Redux or equivalent
Version control and CI/CD: GitLab, GitHub, Jenkins or equivalent
Experience with modern frontend tooling: npm, ESLint, Docker
Agile mindset — hands-on Scrum or Kanban experience
Telecommunications sector experience — strong advantage

Job Responsibility

Lead frontend architecture decisions across Angular and/or React / TypeScript codebases
Design and develop responsive, scalable, enterprise-grade UIs
Define frontend coding standards, component libraries, and reusable design systems
Conduct code reviews and mentor junior and mid-level frontend developers
Collaborate closely with backend developers on REST API integration and data contracts
Work with UI/UX designers to translate mockups into production-ready interfaces
Integrate frontend systems into CI/CD pipelines using GitLab, Jenkins, or equivalent
Contribute to sprint planning and technical design discussions within agile Scrum/Kanban teams
Ensure frontend solutions meet performance, accessibility, and security standards
Drive continuous improvement of frontend tooling, processes, and practices

Senior Frontend Developer (Vue.js)

We are looking for a Senior Frontend Developer to join one of our high-growth cl...

Location

Salary:

Not provided

Vue

Expiration Date

Until further notice

Requirements

5+ years of dedicated frontend experience, with deep, hands-on mastery of Vue 3 (Composition API) and its reactivity model
Strong experience writing clean, type-safe code within large-scale Vue applications
Advanced knowledge of Pinia (or highly structured Vuex architectures) for managing complex, asynchronous global states
Deep familiarity with modern build chains, specifically Vite, including configuration, code-splitting strategies, and dependency optimization
Experience implementing responsive UI using Tailwind CSS, CSS Modules, or advanced SASS/SCSS, matching exact design specs from Figma
Experience establishing frontend testing strategies using Vitest, Vue Test Utils, or End-to-End frameworks like Playwright/Cypress
Proven track record of optimizing Core Web Vitals, managing lazy loading, and diagnosing rendering bottlenecks
Located in CET timezone (+/- 3 hours), we are unable to consider applications from candidates in other time zones

Job Responsibility

Architect and implement complex, interactive user interfaces from scratch using Vue 3 and TypeScript
Design and maintain a highly reusable, documented component library to unify the product ecosystem
Audit and refactor existing codebases to maximize application speed, responsiveness, and SEO health
Lead architectural decisions, establish linting/formatting standards, and conduct strict, constructive code reviews
Partner closely with Product Owners, UX/UI Designers, and Backend Engineers to define explicit API contracts and user flows

What we offer

On-time monthly payments with flexible withdrawal options
Consistent 8-hour working days with clients
Up to 24 flex days off per year without losing pay, for full-time positions found through Proxify
Exclusive long-term remote positions at the world's most exciting companies
Personally matched positions
One-time contracting process for endless opportunities, with no extra assessments
Same pay, every month with positions landed through Proxify

Fulltime

Frontend Developer - ReactJS

Our client is a dedicated software organization focused on building high-quality...

Location

Malaysia , Kuala Lumpur

Salary:

5000.00 MYR / Month

Randstad

Expiration Date

July 05, 2026

Requirements

Technical Expertise: Strong experience in React.js and its core principles (Hooks, Lifecycle, State Management)
Core Languages: Proficiency in JavaScript (ES6+) or TypeScript, along with HTML5 and CSS3
Styling & Layout: Experience with modern CSS methodologies (e.g., CSS-in-JS, Tailwind, or Styled Components)
Tools & Workflow: Familiarity with modern frontend build pipelines and tools (e.g., Git, npm/yarn, Vite/Webpack)
Problem Solving: A proactive approach to troubleshooting and a keen eye for detail
1 year experience
Associate Degree/Diploma

Job Responsibility

Implementation: Develop new user-facing features using React.js
Component Design: Build reusable components and frontend libraries for future use
Optimization: Ensure the technical feasibility of UI/UX designs and optimize applications for speed
Collaboration: Work closely with backend engineers and product stakeholders to ensure seamless integration and delivery
Testing: Write unit and integration tests to maintain high code quality and prevent regressions

Middle Frontend Developer

Join Our Front-end Engineering Team! As we grow and take on exciting new challen...

Location

Salary:

Not provided

Mad Devs

Expiration Date

Until further notice

Requirements

2–3+ years of commercial frontend development experience
Strong JavaScript and TypeScript fundamentals
Solid React experience: components, props/state, hooks, forms, conditional rendering, lists
Ability to work in an existing large codebase
Ability to follow established architecture and coding patterns
Experience with REST API integration
Understanding of loading, error, and empty states
Experience with TanStack Query / React Query or similar tools
Basic understanding of client-side state management
Good HTML/CSS skills

Job Responsibility

Develop and maintain frontend features using React and TypeScript
Work inside an existing large-scale codebase following established architecture and code standards
Implement responsive UI based on Figma designs
Integrate frontend applications with REST APIs
Build and maintain dashboards, forms, tables, filters, and data-driven interfaces
Handle loading, error, and empty states correctly
Work with server-state management solutions such as TanStack Query / React Query
Write clean, readable, and maintainable code
Participate in code reviews and team collaboration
Fix bugs, improve usability, and support ongoing product development

What we offer

Flexible working hours
Remote-first culture
Long-term projects
Salary in dollars
Professional communities
Onsite business trips
Training budget
Paid conferences

Fulltime

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Frontend TypeScript Developer

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