Jobs JavaScript / Front-End

Softsich is a young and ambitious international product tech company that develops scalable B2B digital platforms. We’re looking for a Frontend Developer who will help us build and evolve a modern frontend solution integrated with our partner’s backend systems.

In this role, you’ll work on a custom frontend application built with Remix (React) and TypeScript, focusing on performance, maintainability, and clean UI implementation. You’ll be part of a Scrum team with regular releases and real influence over technical decisions.

Your key responsibilities will include:

– Developing and maintaining a custom frontend application integrated with a partner’s backend.
– Building UI components using React, TypeScript, and Tailwind CSS.
– Implementing SSR-based solutions with Remix where needed.
– Collaborating closely with backend developers, designers, and product managers.
– Ensuring frontend performance, stability, and scalability.
– Participating in sprint planning, reviews, and regular weekly releases.
– Contributing to architectural discussions and improving frontend best practices.

It’s a match if you have:

– 5+ years of experience with React (must-have).
– 3+ years of experience with TypeScript (must-have).
– 1+ year of hands-on experience with Tailwind CSS (must-have).
– Solid understanding of modern frontend architectures and SSR concepts.
– Experience integrating frontend applications with external APIs and backend services.
– Confidence working in a Scrum-based development process.

Nice to have:

– Experience with Remix or Next.js and SSR-based applications.
– Familiarity with Jest and frontend testing practices.
– Experience using shadcn/ui or similar component libraries.
– Understanding of performance optimization and frontend best practices.

What we offer:

– Flexible schedule and remote format or offices in Warsaw/Kyiv — you choose.
– 24 paid vacation days, sick leaves, and health insurance (UA-based, other locations in progress).
– A supportive, friendly team where knowledge-sharing is part of the culture.
– Coverage for professional events and learning.
– Birthday greetings, team buildings, and warm human connection beyond work.
– Zero joules of energy to the aggressor state, its affiliated businesses, or partners.

Send over your CV now — we’d love to get to know you better!

• Project Description:

  We are seeking a skilled Regular - Senior Web Graphics Developer to join our team in the oil and gas industry. The ideal candidate will have extensive experience in developing advanced web-based visualizations and a deep understanding of industry standards. This role requires proficiency in HTML5 Canvas, D3.js, and Angular, along with a strong grasp of the graphics rendering pipeline. Experience with Unity or VR is a plus. Additionally, the candidate should possess general cloud development skills and backend expertise, including microservices architecture and experience with AWS and Azure.

   

• Responsibilities:

  • Design, develop, and maintain interactive web-based visualization tools for oil and gas data.
  • Implement advanced graphics rendering techniques using HTML5 Canvas and D3.js
  • Collaborate with geologists, engineers, and other stakeholders to understand visualization requirements and deliver effective solutions.
  • Ensure visualizations are optimized for performance and scalability.
  • Stay up-to-date with industry standards and best practices in web visualization and graphics rendering.
  • Integrate visualization tools with existing data management systems and workflows.
  • Develop and maintain backend services using microservices architecture.
  • Utilize cloud platforms such as AWS and Azure for deployment and management of visualization tools.
  • Provide technical guidance and mentorship to junior developers.

   

• Mandatory Skills Description:

  • 4+ years in Graphics development, with a strong emphasis on web-based Visualization applications and tools.
  • Proven experience in web-based visualization development, particularly in the oil and gas industry.
  • Strong proficiency in HTML5 Canvas and D3.js
  • In-depth knowledge of the graphics rendering pipeline.
  • Proficiency in cloud platforms such as AWS and Azure.
  • Excellent problem-solving skills and attention to detail.
  • Strong communication and collaboration skills.
  • Ability to work independently and as part of a team.

Responsibilities

• Develop web-based slot games using our proprietary SDK (Svelte + PixiJS + TypeScript)
• Implement game mechanics by translating bookEvents (math outputs) into emitterEvents (UI interactions)
• Build responsive, performant canvas-based components for desktop and mobile
• Create and maintain reusable components in our Turborepo monorepo structure
• Integrate Spine animations and visual effects into game flows
• Write Storybook stories for component testing and documentation
• Manage complex game states using XState finite state machines
• Optimize PixiJS rendering performance and debug cross-browser issues
• Collaborate with backend engineers and designers to implement game features
• Participate in code reviews and maintain high code quality standards

Requirements

• 4+ years of professional frontend development experience
• Strong TypeScript skills (advanced types, generics, union types)
• Expert-level Svelte knowledge (Svelte 5, runes, context API, reactivity)
• Experience with PixiJS or similar canvas libraries (Three.js, Phaser, CreateJS)
• Deep understanding of event-driven architecture and pub/sub patterns
• Proficiency with async/await, Promises, and asynchronous event handling
• Experience with Git workflows and code collaboration

Strong Plus

• XState or other state machine libraries
• Monorepo tools (Turborepo, Nx, pnpm workspaces)
• Storybook for component development
• Game development or interactive entertainment background
• Spine or skeletal animation systems
• Canvas performance optimization (FPS, memory management)

Nice to Have

• SvelteKit framework
• RGS (Remote Game Server) integration experience
• Gambling industry knowledge
• CI/CD pipeline experience

LineUp is a fast-growing IT outsourcing company with 13 years of experience. We are currently looking for a Middle Frontend Developer to join a long-term product project.

You will become part of the Smart City ecosystem - a large-scale software product for the Middle East market. This is a fully agile, product-oriented environment with real users and a tangible impact on urban infrastructure.
 

Key Responsibilities:

• Develop and maintain complex frontend applications using React and Next.js.
• Collaborate closely with stakeholders and other developers to understand business requirements, translate them into high-quality technical solutions that meet those needs.
• Utilize state management tools like Zustand or similar, and efficiently integrate with backend services using TanStack (React Query) or other data-fetching libraries.
• Maintain CI/CD pipelines using GitLab runners and manage deployment processes with Docker (build and push to registry).
• Ensure UI/UX consistency by utilizing component libraries such as PrimeReact or similar, building reusable components.
• Troubleshoot, debug, and optimize frontend code to enhance performance and maintainability.
• Contribute to the agile development process by participating in scrum events, and driving towards a cross-functional, collaborative work environment.
• Stay up-to-date with the latest frontend technologies and best practices, fostering a mindset of continuous learning and development. Maintain a high-level engineering culture within the team.
   

Qualifications:

• Minimum of 3 years of experience in frontend development with a focus on React, Next.js, and related technologies.
• Familiarity with state management libraries (e.g., Zustand) and data-fetching solutions like TanStack (React Query).
• Understanding of frontend build tools, CI/CD pipelines, and containerization with Docker.
• Experience with component libraries such as PrimeReact or similar, and a working knowledge of React hooks.
• Ability to document frontend designs and processes clearly.
• Strong problem-solving skills and attention to detail, with a drive to create high-quality, performant code.
• Ability to work both independently and as part of a team in an agile environment.
• Good communication skills, with the ability to interact professionally with team members and stakeholders.
• English at Upper-Intermediate level and above.
   

What We Offer:

• Competitive salary.
• A collaborative and innovative work environment.
• Professional development opportunities.
• The chance to work on exciting and challenging projects.
• A supportive company culture.

LineUp is a fast-growing IT outsourcing company with 13 years of experience. We are currently looking for a Senior Frontend developer to join a long-term product project.

You will become part of the Smart City ecosystem - a large-scale software product for the Middle East market. This is a fully agile, product-oriented environment with real users and a tangible impact on urban infrastructure.

Key Responsibilities:

• Architect and Develop complex frontend applications using React and Next.js.
• Collaborate closely with stakeholders and other developers to understand business requirements, translate them into high-quality technical solutions that meet those needs.
• Utilize state management tools like Zustand or similar, and integrate with backend services efficiently using TanStack (React Query) or other data-fetching libraries.
• Implement and maintain CI/CD pipelines using GitLab runners, and manage deployment processes with Docker (build and push to registry).
• Ensure consistency in UI/UX by utilizing component libraries such as PrimeReact or similar, and build reusable components.
• Troubleshoot, debug, and optimize frontend code to enhance performance and maintainability.
• Stay current with the latest frontend technologies, frameworks, and best practices, and promote continuous learning and self-development within the team. Mentor other team members, providing guidance and sharing your knowledge.
• Contribute to the agile development process by participating in scrum events, and driving towards a cross-functional, collaborative work environment.
• Development and maintenance of a high-level engineering culture within the team.

Qualifications:

• Minimum of 5 years of experience in frontend development with a strong focus on React, Next.js and related technologies.
• Strong proficiency in state management libraries (e.g., Zustand) and data-fetching solutions like TanStack (React Query).
• Solid understanding of modern frontend build tools, CI/CD pipelines, and containerization with Docker.
• Experience with component libraries such as PrimeReact or similar, and a strong understanding of pure React hooks and custom hooks.
• Proven ability to document frontend architectures, designs, and processes clearly and comprehensively.
• Excellent problem-solving skills and attention to detail, with a passion for creating high-quality, performant code.
• Ability to work effectively both independently and as part of a team in an agile environment.
• Strong communication skills with the ability to interact professionally with stakeholders at all levels.
• English at Upper-Intermediate level and above.

What We Offer:

• Competitive salary.
• A collaborative and innovative work environment.
• Professional development opportunities.
• The chance to work on exciting and challenging projects.
• A supportive company culture.

We are looking for a Middle Frontend Developer with strong implementation skills and clear ownership of features. You will be responsible for delivering high-quality UI components while continuously growing your architectural understanding. The role involves active use of modern frontend practices, attention to detail, and product-oriented thinking.

Core Profile

• Experience: 3–6+ years frontend development on production web applications
• Education: BS in Computer Science, Software Engineering, or equivalent practical experience
   

Technology Stack (2025/2026)

• Languages: Solid JavaScript, practical TypeScript experience (strongly preferred)
• Frameworks: Proficiency in React 18+/19 (hooks, context, basic Server Components awareness); Vue 3 or Angular 17+ acceptable
• Meta-frameworks: Experience with Next.js (App Router), Remix, or similar; understanding of SSR/SSG concepts
• Build tools: Vite (preferred), Webpack; ESLint/Biome for linting; familiarity with modern bundling
• Testing: Vitest or Jest for unit tests, Testing Library, basic Playwright/Cypress E2E experience
• Styling: Tailwind CSS, modern CSS (Flexbox, Grid, responsive design), component libraries (shadcn/ui, MUI, etc.)
• APIs & state: REST/GraphQL integration, authentication flows, TanStack Query or similar data-fetching libraries
• Accessibility: Semantic HTML, ARIA basics, WCAG 2.2 awareness, keyboard navigation
   

Responsibilities

• Deliver end-to-end features: requirements analysis, UX discussions, implementation, testing, and production monitoring
• Write clean, maintainable, well-tested code; participate actively in code reviews
• Collaborate with designers and backend engineers for seamless integration and high-quality UX
• Own specific codebase areas: fix bugs, refactor, and improve performance and accessibility
• Use AI coding assistants (GitHub Copilot, Cursor) effectively to accelerate development
   

Growth & State-of-the-Art Expectations

• Learn advanced React patterns (Server Components, Suspense, streaming), performance optimization, and comprehensive testing strategies
• Contribute to technical design discussions; provide input on architecture and tooling under team lead guidance
• Develop product mindset: understand user flows, track feature metrics, suggest UX improvements
• Stay current with modern frontend evolution: Core Web Vitals, accessibility standards (EAA compliance), emerging APIs
   

Nice to Have

• Storybook experience
• Animation libraries (Framer Motion, GSAP)
• Monorepo exposure (Nx, Turborepo)
• Basic backend understanding (Node.js, APIs)
• CI/CD familiarity
• Open-source contributions

Sett is looking for an AI Playable Engineer to join our out-of-this-world, cross-functional team. If a candidate is passionate about game development, AI, and crafting systems that generate interactive experiences, this is a great match.

Responsibilities
Design, build, and improve our AI-driven generation systems
Identify and solve complex challenges with scalable long-term solutions
Test, analyze, and interpret generative outputs
Collaborate with a cross-functional team to enrich playable experiences
Rapidly prototype new ideas in AI-generated gameplay

Requirements
3+ years of game development experience – must
2+ years with web technologies (HTML5, TypeScript/JavaScript) – must
2+ years of creating playables or interactive games without traditional engines – must
Experience or high interest in LLMs, agentic workflows, and AI-assisted tools
Builder mindset, experimentation, systemic thinking, innovation
Comfortable working across research + engineering

 

We are looking for a  Front-End Developer to join our team and work on modern web applications for international clients. You will be responsible for building user interfaces, improving existing features, and collaborating closely with designers, backend developers, and product managers.

Responsibilities

• Develop and maintain web applications using React
• Build reusable components and scalable frontend architecture
• Implement responsive UI based on Figma designs
• Integrate frontend with backend via REST APIs
• Optimize application performance and user experience
• Participate in code reviews and technical discussions
• Fix bugs and support existing functionality

• Collaborate with cross-functional teams

   

Requirements

• 1+ years of commercial experience as a Frontend / React Developer
• Strong knowledge of JavaScript and TypeScript
• Solid experience with React and modern React features (Hooks, Context)
• Experience with state management (Redux, Zustand, MobX, etc.)
• Experience with Next.js
• Understanding of HTML5, CSS3, responsive and cross-browser layout
• Experience working with REST APIs
• Familiarity with UI libraries (MUI, Ant Design, Tailwind CSS, etc.)
• Experience with Git and common Git workflows
• English level: Intermediate or higher

About Company

AIstats is an innovative ecosystem of football products that combines cutting-edge big data analysis and computer vision technology. We are a fast-growing team of 40+ people based in Poland. Recently, we secured investments from Google executives and leading mobile company founders, which helped us increase our company’s value fourfold in the past year.

Our mission is to deepen fans' understanding of football and create new opportunities for professionals to analyze matches with precision, speed, and scale.

Our Products

• AIstats Mobile App – a consumer platform for football fans and bettors with over 100K monthly active users.
• AIstats Business Solutions – pro-level analytics tools powered by machine learning and computer vision, built for clubs, scouts, and agents.

Mission

Drive the development of a world-class web experience for AIstats’ next-generation football intelligence platform — powered by proprietary Computer Vision and 3D tracking technologies. Your mission is to transform this breakthrough data into fast, intuitive, and scalable user-facing products that accelerate revenue growth, strengthen retention, and position AIstats as the industry leader in modern football analytics. By building a robust and high-performance frontend foundation, you will directly contribute to achieving $1M annual revenue with 30% ROMI, 3× stronger user retention, and laying the groundwork for scaling the platform to $10M ARR.

Outcomes (3–6–12 months)

Within 3 months

• Deploy the web platform locally and set up the development environment.
• Fully review and understand the existing Vue/Nuxt architecture, API integrations, and mobile app dependencies.

• Identify and propose improvements in SSR stability, performance, and state management.

   

   

  Within 6 months

• Deliver stable, production-ready features built with Nuxt 4, Vue 3, TypeScript, and Tailwind.
• Achieve measurable improvements in performance (LCP, TTI), hydration stability, and UX consistency.
• Implement secure multi-provider authentication via Firebase and real-time features using Socket.io.
   

Within 12 months

• Establish the web platform as a reliable growth channel that contributes meaningfully to revenue and retention.
• Build a scalable architecture that supports rapid experimentation and analytics-driven iteration.
• Ensure a robust, maintainable frontend codebase aligned with long-term product and revenue goals.

Requirements

• 3+ years of production experience with Vue.js and Nuxt (Nuxt 3/4 preferred).
• Deep understanding of Vue 3 Composition API, SSR, hydration, and edge rendering.
• Strong proficiency with TypeScript and modern JavaScript (ES2015+).
• Hands-on experience with Vite and Node.js in SSR environments.
• Expertise in Pinia, composables, and scalable state management patterns.
• Strong skills in building responsive UIs with Tailwind CSS.
• Experience with Firebase Authentication and browser storage (localStorage, cookies).
• Familiarity with Socket.io or native WebSockets.
• Ability to independently drive development in a remote, fast-paced environment.

English proficiency at B1 (Pre-Intermediate) or higher.

Core Technologies (Optional)

• Vue 3, Nuxt 4, TypeScript
• Tailwind CSS, PostCSS
• Pinia, Vue Composables
• Vite, Node.js
• Firebase (Auth, Messaging, Remote Config)
• Socket.io
• Amplitude, Adjust
• Stripe / RevenueCat
• CI/CD pipelines

What we offer

• Fully remote work format and flexible working hours.
• Competitive salary pegged to USD.
• 20 days of paid vacation + 17 paid days off (sick leave, national, religious, and company holidays).
• A friendly communication culture, rapid product cycles, and transparent processes.
• Dynamic work environment with a team passionate about sports and technology.
• Opportunities for professional development and career growth.
• No micromanagement — just trust, ownership, and freedom to experiment.

• Mentorship and high-quality engineering feedback.

   

Join our team and help drive innovation in the football industry!

Hi 🙌

We are looking for a skilled Front-end Engineer interested in long-term collaboration and growth with us in the fields of Web3 solutions.

If you already have Web3 experience - that’s great 🔥

But if you don’t, that’s okay, because we really care about you having strong frontend skills and a genuine interest - if that’s what you have, please read the description below:

Requirements ⬇️

• Solid Engineering Foundation: 2+ years of commercial experience building production applications with React and TypeScript, with a strong grasp of such things as component lifecycle, type safety, and other important aspects.
• Architectural Thinking: You should be well-versed in various architectural concepts, such as, for instance, understanding when to apply abstractions and when to prioritize code simplicity instead.
• State Management Expertise: Strong understanding of state management patterns, knowing when to use local, global, server state. (We use React Query and Zustand, but we value your understanding of the logic behind them more than the syntax).
• Modern UI Implementation: Strong CSS skills & knowledge of CSS patterns, as well as experience working with design systems.

Advantages when applying ⬇️

• Web3 experience: You have worked with wrappers such as wagmi, viem, or solana-web3.js.
• Cryptographic Primitives: You have worked with cryptographic primitives (hashing, encrypting, signing), and you understand basic principles behind data protection concepts.
• Computer Science Background: Algorithms&Data Structures, Computer Science degree is a plus. 
• Testing Culture: Ability to write automated tests to ensure system stability. 
• Frameworks: Experience with Next.js and familiarity with backend technologies.

Responsibilities ⬇️

• Product Engineering: Develop and maintain performant UI components that interact with various APIs and SDKs. Mostly, these will be crypto-related SDKs and APIs related to blockchains.
• Web3 Integration: Connect front-end applications with smart contracts and manage wallet connection logic.
• Performance & Code Quality: Write efficient, scalable code and actively participate in code reviews to maintain high engineering standards. 
• Collaboration: Work closely with the team to ask the right questions before writing code, ensuring that we are solving real user problems.

We offer ⬇️

• Comprehensive blockchain training in a supportive learning environment.
• Opportunities for professional growth and career advancement.
• Participation in challenging and innovative projects.
• Fully remote work. 
• Competitive salary.
• English language courses.
• Paid vacation and sick leave 🏖️ 🤒.
• A friendly, open-minded, and supportive team 😊.

Are you a detail-oriented Frontend Developer who enjoys building clean, reliable websites and working with proven templates?
We’re looking for someone with 1+ year of experience, strong spoken English, and a practical mindset who’s comfortable delivering straightforward, well-executed frontend work.

What You’ll Do:

• Build and maintain simple, template-based websites
• Write clean, structured, and maintainable frontend code
• Implement layouts accurately and ensure consistency across pages
• Integrate and support checkout and payment-related features
• Use Git and GitHub for version control and collaboration
• Communicate clearly with the team in spoken English on a daily basis

Your Skillset:

Core:

• HTML
• CSS
• JavaScript
• Vite
• Husky
• Sharp
• Terser

Payments & Checkout (Plus):

• Experience with Checkout Champ
• Familiarity with payment integrations such as:
  • Apple Pay
  • Google Pay
  • Klarna (via Adyen)
  • PayPal

What We Value:

• Reliability and consistency
• Clear communication, especially spoken English
• Attention to detail in implementation
• A pragmatic, execution-focused mindset

*Applications submitted through other channels will not be reviewed. In addition, we do not appreciate individual emails or messages sent to personal or alternative email addresses.

Summary

• We have a new urgent vacancy for an Expert JavaScript / React Engineer 

• Client is a Payment processing and provider platform 

• Location: Europe - Poland, Ukraine (we look at Kyiv, Zhytomyr, Vinnytsia, Khmelnytskyi, Chernivtsi, Ternopil, Rivne, Zakarpattia, Ivano-Frankivsk, Lviv, Volyn regions), Spain, UK, Bulgaria. 

• Duration: a 3-month project, but with good chances to turn into a permanent engagement 

• PE (FOP 3 group) is needed 

• Start: ASAP 

• English: Upper-Intermediate and higher.

• Ridect Hiring Model (No Subcontract)

About the client

A fast-growing, profitable, well-funded, and dynamic global payments company. Its offices are located in Israel, New York, and more. It is serving thousands of corporates and millions of end-users (payment receivers), in 190+ countries.

R&D organization holds almost 500 workers (Developers, Automation QA, DBA, IT, Professional services / production support). R&D teams are operating in SCRUM methodology, with product managers involved in each team.

Client systems are based on Microsoft and open-source technologies serving both international WEB users and the company's internal users.

R&D is looking to extend its capacity for new-developments and existing product enhancements, with high-quality and fast pace of delivery.

With client’s fast, flexible, secure, and low-cost solutions, businesses and professionals in both developed and emerging markets can now pay and get paid globally as easily as they do locally.

About the role

As an Expert React Engineer, become a part of a cross-functional development team, engineering experiences of tomorrow. The client ecosystem domain is responsible, among other things, for the integration of partnerships (3rd party solutions).

Responsibilities:

• Collaborate with designers and developers to build responsive and user-friendly interfaces.
• Implement and maintain UI components using React.
• Write clean, efficient, and testable code under the guidance of more experienced colleagues.
• Troubleshoot and debug issues in web applications.
• Contribute to improving the usability and performance of our products.
• Front-end development to meet customers’ business needs and implement components according to a modern software development environment with acceptable quality and supervision;
• Taking part in the decision-making process in design application architecture, solution development, architecture, and code review;
• Describing own code within technical documents and simple diagrams, and providing inputs/updates to specifications for the solution;
• Writing automated tests;
• Proactive position in solution development, process improvements;
• Working in an international distributed team in an Agile environment;
• Following best practices and defined standards for implementing the web application
• Investigate and fix application bugs

Requirements:

• Experience in Front End development for more than 5 years, including recent experience in React
• Translate business needs into technical solutions and make decisions when building software (business-oriented);
• Proficiency in JavaScript/TypeScript, including knowledge of asynchronous

programming.

• Experience with modern JavaScript frameworks/libraries
• Understanding of server-side technologies
• Familiarity with CSS preprocessors (like SASS or LESS.) or modern styling techniques (e.g., StyledComponents).
• Understanding of responsive design and frameworks like Bootstrap or Foundation.
• Proficiency in Git and workflows (e.g., GitFlow).
• Ability to handle asynchronous operations
• Knowledge of front-end testing frameworks such as Jest, Mocha, or Jasmine.
• Understanding of best practices for optimizing front-end performance.
• Familiarity with tools for monitoring and improving performance
• Experience working in an Agile environment.
• Excellent communication skills and a willingness to learn.

Can be a plus:

• Experience with financial apps
• API integration
• Stable coins

Personal skills:

• Investigate issues.
• Able to work in distributed cross-functional teams effectively.
• Plan, schedule, and monitor your own work.
• Have learning agility (readiness for challenge and being open to change).

About Us: We are a dynamic Web2/Web3 incentive platform startup that has successfully launched our MVP. We are now expanding our team to propel the project to the next level. Our unique advantage is blending the power of blockchain with the accessibility of Web2—our core runs on chain, but our user experience is seamless for everyone.
The Role: We are looking for a passionate Middle Frontend Developer to join a close-knit, cross-functional team of 4, working directly with the CTO. You will own the frontend architecture, ensuring it is not only performant and intuitive but also fully instrumented for data-driven decision-making.

Your Responsibilities:

• Design, develop, and maintain a responsive React.js application.
• Implement robust user behavioral analytics: You will be responsible for instrumenting the frontend to capture granular user interactions (beyond basic page views) using Google Analytics (GA4), Rybbit, and Hotjar.
• Collaborate with the backend team (.NET) to define, integrate, and optimize REST APIs.
• Manage the deployment pipeline using Docker and Git.
• Actively use AI coding assistants to speed up development and boilerplate generation.

Requirements:

• Core: 3+ years of experience with React.js (Hooks, Context API, State Management).
• Analytics: Proven experience implementing analytics in Single Page Applications (tracking custom events, managing Data Layers, and integrating tools like Hotjar/GA4).
• AI Proficiency: You are an "AI Tools Master"—you know how to leverage AI to code faster and smarter.
• Soft Skills: Open-minded, quick learner, and a proactive team player.
• Language: Professional English proficiency (written and spoken).

Nice to Have (Not required, but a plus):

• Familiarity with Web3 concepts (Wallets, Smart Contract interactions).
• Experience with Nest.js or .NET.

Our Tech Stack:

• Your Toolkit: React.js, Docker, Git.
• Our Ecosystem: .NET/C# (Backend), Nest.js (Web3 Core), Solidity, RabbitMQ, MySQL.

What We Offer:

• Fully Remote: Work from anywhere.
• AI Tools Budget: Compensation to cover your preferred AI subscriptions to support your efficiency.
• Competitive Compensation: Based on your experience and impact.
• High Impact: A startup environment where your code directly shapes the product and company direction.

You will develop and shape our central web-based Vue.js platform, which serves as the primary entry point for our internal and customer-facing tools. You will build high-performance components and integrate various tools into this hub. Since our backend infrastructure is based on Java, you need a strong full-stack mindset to ensure seamless integration with our APIs.

Requirements and Qualifications

• Relevant Experience: Minimum 5 years of professional experience in Frontend Development (Senior level).
• Technical Skills (Core):
  • Vue.js Expert: Deep knowledge of Vue.js, State Management (Vuex/Pinia), and Vue Router.
  • Frontend Architecture: Experience with modular structures and scalable frontend designs.
  • Quality: Strong focus on clean code, testing (e.g., Vitest, Playwright), and performance optimization.
• Technical Skills (As a Plus):
  • Java/Backend Understanding: Ability to understand Java-based backends to coordinate API design and data flow.
  • REST & OpenAPI: Experience in consuming and co-designing RESTful APIs.
• Soft Skills: Proactive communication in English(Upper-Intermediate) and experience in agile remote environments (Scrum/Kanban).

Responsibilities

• Operational Development: Implement and own frontend features end-to-end.
• Platform Architecture: Help design a scalable portal that hosts multiple sub-tools and services.
• Mentoring: Ensure code quality through reviews and provide technical coaching within the team.
• Collaboration: Work closely with our Tech Lead, Backend developers, and me (PO).

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

We are looking for a Middle/Senior Frontend Developer to join an international Web3 product team.

Tech Stack

• Angular 19
• TypeScript
• PrimeNG

• RxJS, signals, modular frontend architecture

   

Required Experience

• 3+ years of commercial experience in Web3
• Hands-on experience with blockchains:
  • Ethereum, Solana (EVM & non-EVM)
• Deep understanding of:
  • Wallet integrations (MetaMask, WalletConnect, Phantom, etc.)
  • Signing, transactions, gas/fees, RPC providers
  • On-chain ↔ off-chain interaction patterns
• Strong experience working with APIs & SDKs:
  • Integration of external product SDKs
  • Working with REST / WebSocket APIs

  • Understanding of API contracts, versioning, and error handling

     

API & Integration Focus

• Integration of new products and services via APIs and SDKs
• Ability to quickly understand third-party SDKs and documentation
• Building abstraction layers over APIs for scalable frontend architecture

• Collaboration with backend teams on API design and improvements

   

English & Communication

• English level: B2 or higher
• Experience working in an international team

• Clear communication with product, backend, and design teams

   

What We Expect

• Strong frontend architecture and system thinking
• Ability to work independently and own features end-to-end
• Team player mindset
• High attention to UX/UI details

• Clean, maintainable, production-ready code

   

Nice to Have

• Experience with DeFi products (DEX, swaps, limit orders, dashboards)
• Experience with React and understanding of cross-framework frontend patterns
• Real-time data handling (WebSockets, streams, live pricing)
• Performance optimization for complex Web3 UIs

• Code reviews

   

What You’ll Get

• Real Web3 products, not experiments
• Integration-heavy frontend with APIs & SDKs
• International team and async culture
• Impact on architecture and product decisions