Jobs JavaScript / Front-End

Panenco is a boutique software studio in Belgium and Ukraine. We build next-gen B2B SaaS products and enterprise AI solutions, always with an entrepreneurial spirit. We're a small team of the best and brightest, looking for 10x people who love to tackle challenging problems. We give you significant ownership and room to grow, expecting you to take charge and continuously evolve with the latest and greatest in our industry.
 

About the position

We’re always looking for passionate software engineers with strong computer science fundamentals to focus on front-end development with React and Typescript, creating outstanding user experiences across web & mobile. You'll become part of a dedicated product team working alongside some of the best and brightest people in our industry.
 

Technologies and required skills

You have an in-depth grasp of the the majority of the following technologies:

• Core Framework & Language
  • React: function components, hooks, composition patterns, controlled vs derived state, React Server Components (RSC)
  • Typescript: strong typing, generics, modern ES standards
  • Next.js: App Router, Server Components, Server Actions, routing concepts, SSR/SSG patterns
• API & Data Communication
  • REST: ability to interpret and interface with REST APIs
  • Type-safe APIs: understanding of end-to-end type safety concepts
• State Management
  • React Query (TanStack Query): hands-on experience with data fetching, caching, and synchronization
  • Zustand: understanding of lightweight state management patterns
  • React Context: shared state and avoiding prop drilling
• UI & Styling
  • Design systems and component libraries: shadcn/ui (primary), Radix UI, MUI, Ant, Atlassian UI
  • Styling: modern CSS with Tailwind CSS, CSS Modules, SCSS
  • Responsive layouts and cross-browser compatibility
• Forms & Validation
  • React Hook Form: form state management and validation
  • Zod: schema validation and type inference
• Testing & Quality
  • E2E testing: Playwright or Cypress
  • Understanding of test pyramid: unit, integration, and E2E testing strategies
  • CI integration: test automation in continuous integration pipelines
  • Code quality: focus on readability, maintainability, and reusability
• Build Tools & Module Bundlers:
  • Vite (widely used across our projects)
  • Webpack
  • Next.js build system: experience with Next.js build and development tooling
  • Module bundling concepts: understanding of modern bundling approaches
• Error Tracking & Observability
  • Sentry or similar tools for frontend error tracking and monitoring
  • Ability to interpret production errors and improve system reliability
• Security Fundamentals
  • Awareness of frontend security concepts: XSS, CSRF, secure handling of authentication tokens
  • Basic understanding of OWASP principles, permissions, secrets handling, and rate limiting (from a frontend perspective)
• Browser fundamentals
  • Event Loop, microtasks vs macrotasks, Web APIs (e.g. localStorage)
  • Performance: cross-browser behavior and client-side performance considerations
• Accessibility: WCAG awareness, keyboard navigation, screen readers, semantic HTML
• Language skills: solid reading and speaking skills in English
   

As a plus

• tRPC: experience with type-safe API communication and end-to-end type safety
• Turbopack: familiarity with Next.js Turbopack for faster development builds
• Virtualisation: hands-on experience with Docker and similar services
• Back-end knowledge: Node.js, Python, .NET, Next.js or other frameworks
• Cloud: practical experience with GCP, AWS or Azure
• Database: understanding of ORMs (Drizzle ORM) and database concepts
• Information security: an understanding of security standards
• React Native: experience with React Native for mobile development 
   

Locations

Remote work is our default.
We also have an office in Kyiv, and team members are expected to be available to work onsite there when needed.
 

We offer 
We offer a friendly, dynamic and inspirational working environment with a strong team that celebrates great engineering. During our bi-weekly software engineering labs sessions we share experiences from the various products that we're building. A fair compensation, office snacks and fun afterwork drinks are included of course!

The interview process

The interview process is short (but thorough) and will consist of 3 steps:

1. Technical interview: you present a personal project or one of your prior involvements from end to end, with our team asking targeted questions
2. Pair-Programming Session: you collaborate with one of our engineers on a practical task. We focus on problem-solving approach, communication, code structure, and how you reason about changes in real time.
3. Feedback: you will receive feedback about the technical conversation either in written form or through a call

At Qencode, we are proud to be at the cutting edge of video technology. As a U.S.-based company, we have established ourselves as a trusted technology partner to some of the world’s leading organizations, including Fortune 500 giants like NVIDIA, AWS, Google, and DigitalOcean.

As we expand our initiatives for 2026, we are looking for a Frontend Developer for React and CSS. In this dynamic role, you’ll work directly with our CTO to developing high-quality React user interfaces and applications, leveraging Design Systems with Figma and Storybook.

Responsibilities

- Develop high-quality React UIs and applications.

- Write optimized CSS code.

- Component development using Design Systems with Figma and Storybook.

- Optimize frontend code for speed, scalability and responsiveness.

Qualifications

- Proficient in React and it’s core principles

- Proficient in CSS3

- Experience with tools like Figma

- Bonus: Experience with tools like Storybook, Chromatic, Playwright or VideoJS.

Benefits

- Professional development and career growth opportunities.

- Work directly with the founding team.

- Innovation where new ideas are encouraged and rewarded.

- Exposure to a wide range of work experience.

About Us

Providing value, innovation and excellence are at the heart of everything we do at Qencode. We’re committed to pushing the boundaries of video technology in our rapidly evolving world and we would love for you to join us on this journey. Please apply so we can schedule an interview.

Performa is an international HR agency specializing in connecting top talent with leading companies in iGaming, IT, and Marketing. We help businesses scale, and candidates find roles where they can fully realize their potential.

Our client is a young and ambitious team of entrepreneurs and engineers working on innovative solutions aimed at building a better future. The company develops smart, scalable products for businesses of all sizes and is known for its strong focus on quality, reliability, and dedicated service.

We are looking for a Technical PM to join our team for long-term employment.

Responsibilities:

• Take responsibility for the definition, documentation, and safe execution of the software development project, active participation in all phases of the project
• Define and support project processes
• Define project scope and resource requirements
• Manage exceptions and changes in projects
• Work closely with the development team
• Managing project team, monitoring team performance
• Ensure that project deliverables are completed within planned efforts, schedule, and scope
• Identify and manage client’s expectations
• Plan and manage internal and external project communications, ensuring effective exchange of project information and deliverables

• Identify, analyze, prioritize, mitigate, and communicate project risks

   

Requirements:

• 2+ years of experience as a Technical PM
• At least 2-3 years of experience as a developer, with a preference for full stack or backend (only web development), ensuring a solid understanding of both frontend and backend technologies.
• Strong AI fluency: Prototyping with AI tools; “Vibe coding” / rapid MVP building; AI-assisted research & analytics; Workflow automation using AI
• Experience with the project management frameworks and tools, e.g., Scrum, Kanban, Jira, Confluence, etc.
• Knowledge of SDLC and Scrum/Project Management concepts
• Experience in identifying the client’s business requirements and developing a possible solution
• Counseling skills, ability to explain technical features in simple and clear terms
• Basic business analysis skills (requirements analysis, preparation of technical specifications)
• Strong planning, organization, and communication skills

• Intermediate+ level of English

   

What we offer:

• Competitive salary
• Flexible work schedule
• Work in high proficiency team
• Annual paid vacation
• Paid sick leaves and holidays
• Opportunities for professional development and career growth
• Remote work

Byteex

We are looking for a junior web developer to join our team full-time. You will help us build and improve websites for e-commerce brands. If you enjoy coding and want to grow your skills, this role is a good fit.
 

What you should know

JavaScript, HTML, and CSS.

Basic understanding of Shopify is a plus.

Good problem-solving skills and a desire to learn.
 

What we offer

A place to grow your skills.

Work on real projects with a supportive team.

A creative environment where your ideas matter.

If you want to start your career in web development and be part of a team that values growth and learning, we would love to hear from you.

About Us:

Evowill is looking for a Junior Frontend Developer who is passionate about web development and eager to grow in a supportive and dynamic environment. We offer a clear path: starting with a hands-on internship and transitioning into a commercial project role — 100% of our juniors join real projects.

Requirements:

• JavaScript, HTML, CSS
• React / Vue / Angular (one is enough)
• REST API, OOP
• Git, GitHub/GitLab
• English: Intermediate or higher
• Pet projects on Github/Gitlab
• Fast learner, organized, responsible

Would be a plus:

• Technical education (3rd year or higher)
• Experience with Python, Django, SQL, Docker, CI/CD, testing

Internship Stage (3 months):

• Full-time, practical learning
• Pet projects, technical interview preparations, and soft skills training
• English Speaking Club
• Senior Developers mentors from Ukraine and Colombia
• Technologies: JS, TS, React, Next.js, Python, Django, Docker, PostgreSQL, AWS, etc.

Project Stage:

• Join commercial projects as a Fullstack Developer
• Salary from $1000 with regular reviews
• Ongoing mentorship and technical support
• Optional English club and extra tech learning

We are looking for a Front-end Magento 2 developer with an opportunity to work remotely.

Main things you will need to:

1. Strong knowledge of HTML, CSS, JavaScript і KnockoutJS, Magento 2

2. Experience with ООП, PHP та MySQL, Docker, Gulp.

3. Experience with VueJS 1 year+
4. Experience with Hyva checkout 1 year+

It would be great if you had experience with Composer, Solr, Elastic Search, Redis, Vagrant, Varnish, APC, Memcached. But if you haven’t, it’s OK too, we will learn it together!

With us you will get:

1. We declare work-from-home from anywhere in the country, as well as work in the office. But if you get bored at home, welcome to the office, which situated in the city center in Dnipro;

2. People-oriented management and minimum of bureaucracy;

3. And, like elsewhere, we have compensation of English study, sports and useful events;

4. Social package (vacation, sick leaves, public holidays) we have too.

Please fill free to contact if you have any questions,

And see you!

MX2.AI is an advanced AI-driven platform transforming the way businesses interact with artificial intelligence. We are focused on developing innovative, high-performance digital experiences powered by AI automation.

Role Overview

We are looking for a Front-End Developer to join our team and enhance the user experience of MX2.AI. The ideal candidate has expertise in modern front-end frameworks, a strong eye for UI/UX design, and a passion for building seamless, high-performance web applications.

Responsibilities

• Develop and optimize responsive, user-friendly web interfaces.
• Work with designers and back-end developers to create a seamless user experience.
• Implement dynamic and interactive UI components using React, Vue.js, or Next.js.
• Optimize front-end performance to ensure fast loading times and smooth navigation.
• Integrate APIs and work with real-time data visualization.
• Ensure cross-browser compatibility and mobile responsiveness.
• Stay updated with the latest front-end development trends and best practices.

• Implement dynamic and interactive UI components using Vue.js.

   

Requirements

• Proven experience as a Front-End Developer, preferably in AI or SaaS projects.
• Strong proficiency in Vue.js or Nuxt.js
• Experience with TypeScript, Tailwind CSS, and modern UI libraries.
• Understanding of RESTful APIs and WebSockets for real-time interactions.
• Strong knowledge of SEO-friendly front-end development.
• Experience with Git and CI/CD workflows.
• Creative problem-solving skills and attention to detail.

Nice to Have

• Experience with AI-driven platforms or machine learning applications.
• Knowledge of Three.js, WebGL, or data visualization frameworks.
• Familiarity with backend technologies (PHP, Laravel, Python) is a plus

What We Offer

• Remote, flexible work.
• Opportunity to work on cutting-edge AI-driven projects.
• Competitive compensation based on experience.
• A collaborative, fast-paced, and innovative team environment.

Job Description

- 6+ years of relevant commercial experience as a frontend engineer.

- Deep expertise in the Chrome Extension API (permissions, declarativeNetRequest, messaging, storage). 

- Experience bypassing anti-scraping measures or handling highly obfuscated DOM structures. Familiarity with Shadow DOM and its impact on style isolation and scraping.

- Proven experience migrating or building under Manifest V3 architecture.

- Mastery of React for building extension-specific UIs (Sidepanels, Action Popups).

- Strong knowledge of Content Security Policy (CSP) and cross-origin resource sharing (CORS) in an extension context.

- Experience with TypeScript to ensure type safety across different extension environments.

- Expert-level understanding of DOM manipulation and scraping of asynchronous, "heavy" web apps. Knowledge of browser performance profiling to ensure the extension doesn't slow down the user's browser. Understanding of how to secure sensitive data within local extension storage.

- Proven experience contributing to mature Chrome extension projects maintained by multiple R&D teams, with complex shared codebases.

- Experience developing or maintaining automation and performance testing tools to monitor extension impact at scale, detect regressions, and ensure minimal disruption to end users.

Job Responsibilities

Our Chrome/Edge extension is a core part of the clinician's daily workflow. It lives alongside Electronic Health Record (EHR) systems, capturing data and providing real-time AI suggestions. We need a high-level specialist to lead the development of this extension, ensuring it remains robust against external site changes and maintains strict medical-grade security. Part of your responsibilities will include, but not limited to:

- Lead the architecture and development of our browser extensions using Manifest V3.

- Build sophisticated content scripts that reliably scrape and interact with dynamic EHR platforms.

- Manage complex background logic using Service Workers for session lifecycle management.

- Ensure the extension’s React-based UI (popups and overlays) is high-performance and non-intrusive.

- Implement secure, cross-context messaging between content scripts, service workers, and the main web app.

- Develop robust "DOM observers" to handle updates on third-party sites without breaking functionality.

- Collaborate effectively with multiple R&D teams on large, mature extension projects, contributing to a shared, scalable codebase.

- Design, implement, and maintain automation frameworks to continuously monitor extension performance, detect regressions, and measure the impact on browsers and external systems.

- Establish best practices for performance, security, and maintainability in large-scale, multi-team extension projects.

Department/Project Description

We are redefining the standard of care in mental health. Our platform empowers clinicians by automating administrative burdens—such as note-taking and compliance auditing—using cutting-edge AI and real-time audio analysis. By bridging the gap between clinical sessions and actionable data, we allow providers to focus on what matters most: the patient.

• 1+ years of experience in development
• Strong knowledge of Javascript and TypeScript
• Strong knowledge of Angular
• Strong analytical and problem-solving skills
• Experience working with RxJS ,NgRx ,signals, and new angular syntax template
• Confident AI prompting, understanding of LLM principles (Context window, RAG, System prompts)
• Experience working with AI coding assistants (Cursor, Claude Code, GitHub Copilot)
• Good understanding of asynchronous and reactive programming
• Confident working with the Git version control system
• Understanding of GraphQL
• Intermediate level of English

Would be a plus:

• Experience working with React
• Experience working with Websockets
• Experience building large-scale SaaS platforms supporting millions of users.

Responsibilities:

• Build features and systems with attention to detail and performance.
• Own end-to-end development, from conception to production.
• Engineer not only solutions but also tools to understand the problem.
• Work closely with cross-functional stakeholders to deliver a world-class product.
• Identify and implement improvements to our existing systems.

About the project:

Project management platform. With the help of own API, it’s possible to do multiple integrations with communication, sales, analytics and other applications that are used by co-workers on a daily basis.

We are looking for a frontend engineer to improve the beautifully crafted product that helps millions of people to enjoy their remote work! You will be responsible to deliver production-ready functionality in a cross-functional team and will be able to reach millions of people with your best effort and working time as part of a multinational team of highly skilled developers.

United Tech is a global IT product company shaping the future of real-time social connection. With millions of users across North America, Europe, LATAM, and MENA, we build next-gen mobile and web apps for live-streaming and social networking. Our platforms enable connection at scale fast, interactive, and deeply engaging. The market is projected to exceed $206B by 2030, and we are already leading the evolution. Founded in Ukraine, scaling worldwide
 

About your role:
You will be working on a 100% Greenfield project, building the frontend from scratch with no legacy code involved. You will have full autonomy, acting like a Product Owner for your part of the frontend, with direct access to backend engineers for API discussions and no micromanagement. The work involves challenging engineering tasks, developing fully-featured Progressive Web Apps that can replace native applications, in a senior-only environment where you’ll collaborate with other strong engineers. 

In this role, you will

• Design and implement a white-label architecture, building a core application that allows easy generation of additional client-specific versions in the future
• Build and lead a team of 2–4 Middle/Senior Vue developers, including hiring, onboarding, and establishing development and code quality processes
• Own delivery management, organizing team workflows to turn ready requirements and designs into a working Release Candidate (MVP) within 3 months
• Ensure native-like UX and resilience, delivering instant UI feedback and stable performance even under poor network conditions (e.g., intermittent 3G/Edge)
• Adapt the application for iOS, providing a fully native-like experience while working around mobile Safari limitations (cache resets, navigation quirks)
• Collaborate closely with the backend team to define API contracts and optimize requests for web performance

Own quality and infrastructure, including Core Web Vitals performance metrics and CI/CD pipeline setup in collaboration with DevOps engineers

It’s all about you

• 5+ years of commercial frontend development experience
• Expert-level proficiency in Vue and TypeScript
• Strong hands-on experience building Progressive Web Applications (PWA), including Service Workers, Web App Manifest, and Cache Storage API
• Experience designing frontend architecture from scratch (greenfield projects)
• Hands-on experience handling unstable network conditions (e.g., intermittent 3G/Edge), including retry mechanisms, connection loss handling, and proper error states
• Experience solving platform-specific challenges for iOS/Safari PWAs (cache eviction, background limitations, navigation quirks)
• Strong understanding of the PWA lifecycle and seamless application updates
• Solid understanding of performance metrics (Core Web Vitals) and optimization techniques
   

Would be a plus

• Experience working with WebRTC
• Experience configuring advanced caching strategies using Workbox
• Experience setting up basic CI/CD pipelines in collaboration with DevOps engineers

What we offer

Care and support: 

• 20 paid vacation days, 15 sick days, and 6 additional days off for family events
• Up to 10 additional days off for public holidays
• 100% medical insurance coverage
• Sports and equipment reimbursement
• Team building events, corporate gifts, and stylish merch
• Financial and legal support
• Maternity recovery support allowance
• Position retention and support for those who join the Armed Forces of Ukraine
• Participation in social initiatives supporting Ukraine
   

Comfortable working environment:

• Work from our Kyiv hub or remotely with a flexible schedule 
• Modern equipment or depreciation of your own tools
   

Investment in your future:

• Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche
• 70% of our heads and leads have grown into their roles here – so can you!
• Performance-oriented reviews and Individual Development Plans (IDPs)
• Reimbursement for professional courses and English classes
• Corporate library, book club, and knowledge-sharing events
   

Hiring process

• Intro call
• Technical Interview
• Final Interview 
• Reference check
• Offer

Requirements: 


-5+ years of experience in JavaScript game development
- Strong knowledge of HTML5, Canvas API, and DOM manipulation
-Proven track record in creating HTML5 games
-Advanced proficiency in JavaScript (ES6+), including async/await, modules, closures, and classes
-Experience with popular libraries/frameworks such as Phaser, Pixi and Three.js
-Solid understanding of object-oriented programming and expertise in performance optimization algorithms, memory management, and threading
-Experience integrating and optimizing Spine animations in game engines
-Experience with slots
-experience in leading and mentoring front-end development teams.
-strategic, structured and analytical thinking.
-strong collaboration and communication skills.


Responsibilities:

-Manage front-end developers team, and perform code reviews;
-Write clean, efficient, testable, and scalable code;
-Collaborate closely with the team to identify and prioritize areas for enhancement;
-Take part in the full development cycle and ensure smooth development and cooperation between the dev team and product owners
- Hands-on experience with AI tools as part of everyday work is a must


Nice to Have:

+ Experience optimizing HTML5 games for mobile browser performance
+ Understanding of CI/CD

 

We are looking for a skilled Front-End Developer to join our team and continue development of our existing web application:
👉 https://radiofolder.com

🧩 About the Project

RadioFolder is a web-based platform focused on radio/content management and streaming-related workflows. The application is already live and actively used, and we are looking for a developer who can quickly understand the current codebase and continue building new features, improving UX, and maintaining high performance.

💻 Responsibilities

• Continue development of the existing front-end for https://radiofolder.com
• Implement new features and UI components
• Improve user experience (UX) and interface design (UI)
• Optimize application performance and responsiveness
• Refactor and maintain clean, scalable code
• Collaborate with backend developers and product stakeholders
• Debug issues and ensure cross-browser compatibility

🛠️ Requirements

• Strong experience with JavaScript (ES6+) (Vanilla, no frameworks)
• Solid knowledge of HTML5, CSS3, responsive design
• Experience working without heavy frameworks (React/Angular/Vue)
• Experience integrating REST APIs
• Familiarity with version control systems (Git)
• Ability to understand and work with an existing codebase

⭐ Nice to Have

• Experience with media or streaming-related applications
• Knowledge of modular JS architecture patterns
• UI/UX sensitivity and attention to detail
• Experience with performance optimization in Vanilla JS apps

🤝 What We Offer

• Work on a real, live product with active users
• Flexible working hours / remote work
• Opportunity for long-term collaboration
• Direct impact on product development

📩 How to Apply

Please include:

• Links to previous projects or portfolio
• GitHub (if available)
• Examples of vanilla JS projects (important)
• Short description of your experience with similar applications

Learned JavaScript and React and looking for a job?

We offer you a free 3-month internship at our company, where you will gain experience and the position of Junior React Developer.

Requirements:

- Medium level of knowledge of JavaScript

- Medium level of knowledge of React

- English: upper-intermediate ( speak/read/write)

How to become an intern?

A person who wants to become an intern in our company must have a medium level of theoretical knowledge of JavaScript and React, as well as the availability of term papers or projects that were developed at home for training purposes.

Only for ukrainians

SKyPRO mainly works with the OpenText IDM. However we are entering other markets and our own software is already working with other platforms than just eDirectory and Active Directory. 
We are looking for someone who is either already experienced with IDM or has some experience with connecting different databases and is willing to learn and grow with us.
 

• MUST! Spoken Intermediate (B1-B2) English (you will work with clients from all over the world);
• 2+ years of experience.

Your Mission:
In general: connect different databases and data sources with one another.

• Creation and maintenance of drivers on the Opentext Identity Management platform (OpenText IDM, NetIQ IDM).
• Creation and maintenance of workflows on IDM User Application Portal platform.
• Technical problem-solving: Analyze requirements, identify interdependencies, and develop robust IAM solutions.
• Manage your projects and deliver reliable results.

What you bring:

• Degree in Computer Science, Engineering, or equivalent qualification
• Solid software skills:
• DirXML (mostly visual programming in NetIQ IDM Designer);
• XPath + XSLT;
• JavaScript (ECMA Script 1.0) + Java (for appshim development mostly);
• RegExpr;
• Knowledge of IAM protocols (LDAP, SAML, OAuth);
• Linux/Unix power user skills will be good.
• Strong technical understanding & problem-solving skills
• Attention to detail, willingness and ability to learn/self-educate
• German proficiency (B1 and higher) will be a nice bonus:)

What we offer:

• Remote working and flexible hours;
• Good income in line with the industry standards;
• Personal development – expert coaching & training;
• An open-minded, international team in an IT company that does business all over the world;
• State-of-the-art tech – work with OpenText, Cidaas, Nexis & our ACDI tool;
• Fast start – position open immediately;
• Vacation — 24 days a year, paid sick leave.