Jobs Frontend

We are looking for a Senior Frontend Developer to join our team.

About the project: a biometric identity platform. The libraries we build encapsulate handling of biometric data and drive access-level logic across consumer applications — a regulated domain with hard constraints on how data is stored and used. 

Responsibilities 

• Design, build and maintain TypeScript libraries and reusable packages consumed by other product teams 
• Build reusable React components and modules with clean, type-safe public APIs 
• Define and maintain state management patterns at the library level 
• Own versioning and backward compatibility: semver, changesets, breaking-change policy, migration guides 
• Maintain the build and publish pipeline: bundling (Rollup / tsup / Vite), ESM + CJS output, tree-shaking, bundle-size budgets, peer dependencies 
• Encode access-control rules in the type system so consumers cannot access or render data beyond their permission level 
• Cover libraries with unit and type-level tests; keep the public API stable and regression-safe 
• Leverage AI-assisted tools to accelerate development workflows 
• Participate in code reviews and contribute to internal engineering standards 

Requirements 

• 7+ years of commercial experience in front-end development 
• Proven experience building and maintaining TypeScript libraries/packages consumed by other teams  
• Deep knowledge of TypeScript: generics, conditional and mapped types, discriminated unions, branded types, declaration output 
• Experience with state management solutions 
• Experience with monorepo tooling (pnpm workspaces, Nx or Turborepo) 
• Strong hands-on experience with React 
• Testing: Vitest/Jest, React Testing Library, type-level testing (tsd / expect-type) 
• Solid understanding of REST services and API contract design 
• Understanding of access-control models (RBAC / ABAC) 
  Experience with AI-assisted development tools (Claude Code, Codex, Cursor, etc.) 
• Upper-Intermediate level of English or higher 
• Self-motivated, proactive and detail-oriented 

We Offer:   

• Innovation Culture: Work in a team that actively experiments with AI and modern development approaches   
• Real Product Impact: Direct collaboration with a client and influence on product decisions   
• Flexible Work: Remote work or a modern office in Kyiv   
• Generous Time Off: 20 paid vacation days + 15 sick leave days annually   
• Professional Growth: Compensation for courses, certifications, and learning resources   
• Cutting-Edge Tools: Access to premium AI tools (Cursor Pro, Сlaude Code, Codex, etc.)  

Recruitment Process:   

1. CV Review 
2. HR&Technical Interview 
3. Client Stage 
4. Job Offer 

Phenomenon Studio is a boutique product design and development agency founded in 2019. We work with teams who’ve outgrown what they’ve built — from venture-backed startups to established market leaders — and own the work end-to-end: strategy, design, development, and post-launch.
 

The team of 70+ senior specialists is based in Europe, with entities in the USA, Estonia, and Switzerland, serving SaaS, fintech, healthcare, and EdTech. Across 120+ launches, clients have raised $500M+. 
Phenomenon is HIPAA-compliant, Nielsen Norman Group UX certified, and a Webflow Experts partner, holding a 5.0 rating on Clutch — and most clients come back for a second project.
 
We are looking for a HubSpot developer for part-time or project-based collaboration — building websites of varying complexity on HubSpot CMS.
 
Requirements
 

• 3+ years of commercial experience developing on HubSpot CMS/CRM
• Strong HubL templating: custom modules, themes, landing pages
• Hands-on experience with HubSpot CRM configuration: workflows, custom objects, properties
• Practical experience with HubSpot APIs and webhooks (private apps, RESTful APIs)
• Solid HTML5, CSS3, JavaScript
• English level: Intermediate+

Responsibilities
 

• Build and maintain HubSpot CMS websites, landing pages, custom modules and themes
• Configure and maintain CRM logic: workflows, custom objects, associations
• Develop integrations using HubSpot APIs, webhooks, and private apps
• Translate client/business requirements into HubSpot solutions together with PM/designer
• Troubleshoot issues and optimize site performance and CMS technical operations

What we offer:
 

• A team of open-minded and supportive professionals
• Comfortable part-time schedule with autonomy in processes
• Full remote work format
• Flexible workload and the possibility to combine with studies, personal projects, or other activities
• Work-life balance: we value results, not the number of hours spent
• Opportunity to grow into a full-time role in the future (if desired)

Recruitment process: Recruitment interview — Technical interview

On behalf of our Client from the US, Mobilunity is looking for a Principal Solution Architect.

We are looking for a Principal Solution Architect to lead multiple engineering teams while remaining actively involved in technical architecture and strategic engineering decisions. This role is ideal for an experienced engineering leader who enjoys developing high-performing teams, defining technical standards, and driving successful delivery across complex ecommerce platforms.

As a Principal Solution Architect, you will shape engineering practices across the organization, mentor engineering managers and technical leaders, establish architectural direction, and ensure consistent delivery excellence in a distributed, asynchronous work environment. While the role is primarily leadership-focused, approximately 20–30% of your time will remain hands-on, providing architectural guidance and supporting critical technical initiatives.

WE ARE LOOKING FOR A PERSON WHO IS AVAILABLE TO WORK US HOURS

Responsibilities:Engineering Leadership

• Lead multiple distributed engineering teams, ensuring successful delivery, high engineering standards, and predictable execution.
• Manage, mentor, and develop engineering managers, technical leads, and software architects.
• Build a strong engineering leadership organization and coach leaders on communication, technical decision-making, and cross-functional collaboration.
• Drive engineering excellence by improving development workflows, documentation standards, coding practices, and technical processes.
• Establish scalable engineering standards, architecture guidelines, and development practices across teams.
• Continuously improve software quality, delivery efficiency, and engineering culture.

Frontend Architecture

• Design and own frontend architectures using Next.js, React, and TypeScript for enterprise commerce implementations.
• Define architecture patterns, rendering strategies, state management, caching, scalability, and performance best practices.
• Deeply evaluate and make architectural decisions around SSR, React Server Components, edge computing, and serverless patterns.
• Document key architectural decisions through Architecture Decision Records (ADRs).
• Participate hands-on in complex technical initiatives and architectural discussions when required.
• Identify architectural risks and prevent architectural drift when implementation diverges from the intended design.

Delivery & Technical Planning

• Break large epics into implementable stories with clear acceptance criteria.
• Identify technical dependencies, risks, and complexity and provide realistic estimates.
• Resolve technical ambiguity before work enters a sprint, ensuring engineers have sufficient technical direction to execute effectively.
• Translate complex architectural decisions into practical implementation plans for engineering teams.
• Ensure technical decisions support both short-term delivery objectives and long-term platform scalability.

Performance & Engineering Excellence

• Drive Core Web Vitals performance across delivery teams and establish measurable performance standards engineers build against in every PR.
• Define and enforce best practices for CDN configuration, caching, rendering strategies, and frontend performance.
• Identify performance bottlenecks and drive measurable improvements in application speed, scalability, and reliability.
• Establish coding standards and project conventions in formats that are clear and executable by both engineers and AI agents.

AI-Assisted & Agentic Engineering

• Establish effective AI-assisted development practices across engineering teams.
• Define standards and guidelines for AI-generated code, including review, testing, security, and maintainability expectations.
• Establish specification-driven development practices that enable AI agents to execute technical work reliably.
• Structure technical specifications, documentation, and project context so they can be effectively consumed by AI agents.
• Decompose features and engineering tasks so that agent-generated output is reviewable, testable, and reliable.
• Help teams move beyond individual AI tool usage toward consistent, team-wide agentic engineering workflows.
• Evaluate and continuously improve AI-assisted engineering practices to increase development efficiency without compromising quality.

Client & Stakeholder Collaboration

• Collaborate directly with clients during discovery to understand business requirements and translate them into scalable, pragmatic architecture roadmaps.
• Partner with Product Managers and cross-functional stakeholders to prioritize work and balance competing business objectives.
• Explain architectural decisions and technical trade-offs clearly to both technical and non-technical stakeholders.
• Support technical discovery, solution definition, estimation, and roadmap planning.
• Build strong relationships with clients and internal stakeholders while maintaining technical ownership of the solution.

Requirements:

• 5+ years of engineering management experience, including managing engineering managers, technical leads, software architects, or similar senior technical leaders.
• Experience working with at least one enterprise commerce platform (Shopify Plus, Salesforce Commerce Cloud, Big Commerce, or similar) in an architectural capacity
• Experience working in E-commerce
• Proven experience leading multiple engineering teams and delivering complex software projects successfully.
• Proven architectural experience designing frontend systems and leading distributed engineering teams of 3+ engineers.
• Deep proficiency in Next.js, React, and TypeScript.
• Strong understanding of modern web architecture, including:
  • Next.js App Router
  • React Server Components
  • SSR strategies
  • Edge computing
  • Serverless architecture
  • State management
  • Caching
• Strong software architecture and system design skills, with experience defining architecture standards and documenting decisions through ADRs.
• Strong performance engineering expertise, including Core Web Vitals optimization, CDN configuration, caching strategies, and measurable performance improvements.
• Proven ability to translate ambiguous business requirements into scalable technical solutions and actionable engineering plans.
• Experience breaking epics into implementable stories, defining acceptance criteria, identifying dependencies, and estimating complexity.
• Experience resolving technical ambiguity and providing engineering teams with clear technical direction.
• Experience working with AI-assisted development tools and establishing AI engineering practices at a team or organizational level.
• Demonstrated experience designing workflows for agentic software development, including executable specifications, structured documentation, context management, and reviewable AI-generated output.
• Excellent written and verbal English communication skills.
• Strong leadership, mentoring, stakeholder management, and decision-making skills.

• Experience working with distributed Agile teams.

   

Nice to have:

• Hands-on experience with Salesforce Commerce Cloud (SFRA, OCAPI, SCAPI).
• Familiarity with composable commerce and MACH architecture.
• Experience working with headless CMS platforms.
• Knowledge of CI/CD pipelines and cloud deployment practices.
• Previous experience in e-commerce, retail technology, or digital commerce

Responsibilities: 

1. Participation in the estimation and planning of development tasks
2. Designing and implementing new features, extending existing.
3. Code review and knowledge sharing
4. Write robust and efficient code primarily using Typescript,  Javascript
5. Implementing the client-side of product features independently and as a part of the team.

6. Communication with project stakeholders, including the product management team.

    

Requirements:

1. Typescript  3+ years of experience
2. Excellent knowledge of HTML5, CSS, JavaScript, Typescript, and functional programming.
3. Solid understanding of the internals of Web protocols: REST, GraphQL, SSE, React Query
4. Deep knowledge of ReactJS
5. Deep knowledge of State management Redux / Redux Toolkit / MobX
6. OOP, OOD, SOLID, design and architecture patterns
7. Tooling: Vite / Webpack, ESLint/Prettier, Git,
8. English (Intermediate and higher)

Nice-to-Have Skills Description
 

1. Experience with Next.js
2. Experience with Node.js and backend development is a plus

Phoenix Games is a next-generation technology company building innovative iGaming and Web3 products for a global audience. We combine modern web technologies, blockchain infrastructure, AI-powered solutions, and digital assets to create engaging gaming experiences used by players worldwide.

We're growing our engineering team and are looking for a talented Senior React Developer who enjoys building scalable products, solving complex technical challenges, and working in a fast-moving international environment.

What You'll Do

• Develop modern, responsive web applications using React and TypeScript.
• Build reusable UI components and scalable front-end architecture.
• Collaborate closely with Product Managers, UI/UX Designers, and Backend Engineers.
• Integrate REST APIs and WebSocket services.
• Optimize application performance and improve user experience.
• Participate in code reviews and technical discussions.
• Contribute to architectural decisions and engineering best practices.
• Help shape the future of our gaming platform.

Tech Stack

• React 18+
• TypeScript
• Next.js
• Redux Toolkit / Zustand
• React Query / TanStack Query
• Tailwind CSS
• Vite
• WebSockets
• REST API
• Git
• Docker
• CI/CD

Requirements

• 3+ years of commercial experience with React.
• Strong knowledge of TypeScript.
• Experience with modern state management libraries.
• Solid understanding of JavaScript (ES6+).
• Experience with REST APIs.
• Understanding of responsive design and cross-browser compatibility.
• Experience with performance optimization.
• Familiarity with Git workflows.
• Upper-Intermediate English or higher.

Nice to Have

• Experience with Next.js.
• Familiarity with blockchain wallets and Web3 integrations.
• Experience working in product companies.
• Knowledge of AI-powered frontend tools.

What We Offer

Fully Remote — work from anywhere in Europe.

Long-term B2B cooperation with a competitive compensation package.

Performance and annual salary reviews.

Individual bonus program based on company and personal results.

Annual performance bonus.

Paid vacation and paid public holidays.

Paid sick leave.

Modern equipment budget or laptop provided.

Home office allowance.

Annual learning & development budget for courses, conferences and certifications.

English language classes.

Private health insurance.

Mental health support program.

Wellbeing & sports compensation.

Team buildings, online events and international company retreats.

Flexible working hours with a healthy work-life balance.

Opportunity to work with cutting-edge technologies including AI, Web3 and blockchain.

International team with a startup mindset and product culture.

Real career growth opportunities as the company scales globally.

Why Join Phoenix Games?

We're building products from scratch using modern technologies, without legacy code or bureaucracy. Your ideas will matter, your code will reach thousands of users, and you'll work alongside experienced engineers who value ownership, quality, and innovation.

If you're passionate about React, enjoy solving challenging problems, and want to build the future of online gaming—we'd love to meet you.

Phoenix Games is an innovative technology company building next-generation iGaming and Web3 products for a global audience. We combine modern web technologies, AI, blockchain, and cloud infrastructure to create scalable and engaging digital experiences.

We're looking for an experienced Angular Developer to join our international engineering team and help build modern, high-performance web applications used by a global audience.

What You'll Do

* Develop and maintain modern web applications using Angular.
* Build reusable, scalable, and maintainable UI components.
* Integrate REST APIs and real-time services.
* Collaborate with Product Managers, Designers, Backend Developers, and QA Engineers.
* Improve application performance, accessibility, and responsiveness.
* Participate in code reviews and technical discussions.
* Troubleshoot and resolve technical issues.
* Contribute to frontend architecture and development best practices.
* Take part in the full product development lifecycle, from requirements to production.

Requirements

* 3+ years of commercial frontend development experience.
* Strong commercial experience with Angular.
* Strong knowledge of TypeScript and JavaScript.
* Experience with HTML5 and CSS3.
* Experience working with REST APIs.
* Understanding of responsive and cross-browser development.
* Experience with Git.
* Understanding of frontend architecture and reusable components.
* Good knowledge of RxJS and reactive programming.
* Strong problem-solving and communication skills.
* Upper-Intermediate English or higher.

Nice to Have

* Experience with Angular Material or similar UI libraries.
* Experience with NgRx or other state management solutions.
* Experience with WebSockets and real-time applications.
* Experience in iGaming, Gaming, FinTech, or SaaS.
* Familiarity with Web3 or blockchain products.
* Experience with automated testing.
* Experience working with CI/CD pipelines.

What We Offer

* Fully remote work from anywhere in Europe.
* Long-term B2B cooperation.
* Competitive salary paid in EUR or USD.
* Annual salary reviews.
* Performance-based bonus program.
* Annual company bonus.
* 25 paid vacation days.
* Paid sick leave.
* Flexible working hours.
* Home office budget.
* Laptop or equipment allowance.
* Learning & development budget for courses, certifications, conferences, and books.
* English language lessons.
* Private health insurance.
* Sports and wellness compensation.
* Mental health support program.
* Team-building activities and international company retreats.
* Opportunity to work with AI, Web3, blockchain, and modern cloud technologies.
* Clear career growth opportunities within a fast-growing international product company.

Why Join Phoenix Games?

You'll work on modern products without unnecessary bureaucracy, collaborate with an international engineering team, and have a real opportunity to influence technical decisions. At Phoenix Games, we value ownership, clean code, continuous learning, and people who want to build products for a global audience.
 

Phoenix Games is an innovative technology company building next-generation iGaming and Web3 products for a global audience. We combine modern web technologies, AI, blockchain, and cloud infrastructure to create engaging digital experiences for users worldwide.

We're looking for a Junior+ Front-end Developer to join our international engineering team. This is a great opportunity for a developer with solid frontend fundamentals who wants to grow in a modern product environment.

What You'll Do

• Develop and maintain modern web applications.
• Build responsive and reusable UI components.
• Implement new features based on product requirements and design specifications.
• Integrate REST APIs and work with backend services.
• Fix bugs and improve existing functionality.
• Write clean, readable, and maintainable code.
• Participate in code reviews and technical discussions.
• Collaborate with Product Managers, Designers, Backend Developers, and QA Engineers.
• Learn and apply modern frontend development practices.
• Take ownership of assigned tasks and features.

Requirements

• 1+ year of commercial or strong practical experience in frontend development.
• Good knowledge of JavaScript and/or TypeScript.
• Strong understanding of HTML5 and CSS3.
• Experience building responsive web interfaces.
• Basic understanding of frontend architecture and component-based development.
• Experience working with REST APIs.
• Familiarity with Git.
• Ability to learn new technologies quickly.
• Good problem-solving skills.
• Intermediate+ English.

Nice to Have

• Experience with React.js.
• Experience with TypeScript.
• Familiarity with Redux, Zustand, or similar state management solutions.
• Experience with Tailwind CSS.
• Experience with automated testing.
• Experience working with Figma.
• Interest in Gaming, iGaming, Web3, or AI.

What We Offer

• Fully remote work from anywhere in Europe.
• Long-term B2B cooperation.
• Competitive compensation.
• Regular performance and salary reviews.
• Performance-based bonuses.
• Annual company bonus.
• 25 paid vacation days.
• Paid sick leave.
• Flexible working hours.
• Laptop or equipment budget.
• Home office allowance.
• Learning & development budget.
• English language lessons.
• Private health insurance.
• Sports and wellness compensation.
• Team-building activities and international company events.
• Mentorship from experienced engineers.
• Opportunity to work with AI, Web3, blockchain, and modern frontend technologies.
• Clear career growth path toward Middle Front-end Developer.

Why Join Phoenix Games?

You'll work alongside experienced engineers in an international product team, contribute to real features from day one, and have plenty of opportunities to grow technically.

We value initiative, clean code, continuous learning, and people who are ready to take ownership and develop their skills.

If you're a motivated Junior+ Front-end Developer looking for your next step, we'd love to hear from you.

We are looking for a Java + Angular Developer for a potential client project.

Requirements:

• Strong experience with Java
• Good experience with Angular
• Polish language — conversational or higher
• Good English is a plus
• Commercial development experience

At this stage, we are only collecting CVs. Project details, scope, and other requirements will be shared later.

Type: Full-time

We are looking for a JavaScript / SCADA Engineer with strong experience in web-based industrial applications, SCADA/HMI systems, and engineering automation.

You will work at the intersection of modern web development and industrial automation, building responsive HMI/SCADA interfaces, reusable frontend components, dashboards, alarms, diagnostics, and engineering automation workflows.

This role is ideal for someone who understands both software engineering and industrial control environments.

What You’ll Do

• Develop and maintain web-based SCADA / HMI applications
• Build dashboards, visualization screens, alarm interfaces, and diagnostic tools
• Design reusable frontend components and scalable application architecture
• Integrate SCADA systems with PLC environments and industrial data sources
• Work with OPC UA and other industrial communication protocols
• Build integrations using REST APIs, JSON, and structured data models
• Automate engineering workflows, including PLC and engineering data import and processing
• Reduce manual engineering effort through tooling and automation
• Contribute to automated testing, CI/CD, and deployment pipelines
• Collaborate with automation engineers, software developers, and technical stakeholders

Must-Have Requirements

• Strong commercial experience with JavaScript
• Strong knowledge of TypeScript, HTML5, CSS, Node.js
• Experience with Git, REST APIs, JSON, and data modeling
• Experience designing frontend architecture and reusable components
• Experience with automated testing and CI/CD pipelines
• Strong knowledge of SCADA / HMI applications
• Experience working with PLC environments
• Hands-on experience with OPC UA and industrial communication protocols
• Experience with at least one SCADA platform:
  • Ignition
  • atvise
  • WinCC
  • zenon
  • FactoryTalk
  • AVEVA / Wonderware
  • Siemens Industrial Software
• Experience developing web-based HMI/SCADA dashboards and visualization interfaces
• Experience with engineering automation and processing PLC / engineering data

Nice to Have

• MQTT
• Java
• Python
• SQL
• Docker
• Linux
• Siemens TIA Portal
• PLC engineering fundamentals
• Experience with warehouse automation systems and processes

What We’re Looking For

• Strong problem-solving and debugging skills
• Ability to work independently
• Practical engineering mindset
• Strong attention to reliability and maintainability
• Comfortable collaborating across software and industrial automation teams

If you have strong JavaScript skills combined with hands-on SCADA and industrial automation experience, we’d love to hear from you.

We’re looking for a Senior Frontend Developer with strong Vue.js and TypeScript experience to join a long-term fintech product team.

We’re looking for an experienced engineer who can take ownership of frontend development, contribute to technical decisions, and work directly with an international product team.

What you’ll work with

Our core frontend stack includes:

• Vue.js / Vue 3
• TypeScript / JavaScript
• Tailwind CSS

The wider engineering environment also includes AWS and Terraform, so there is an opportunity to work beyond the frontend if this is something you’re interested in.

What you’ll do

• Develop new features for a complex web-based product
• Build and maintain frontend functionality using Vue.js and TypeScript
• Write clean, robust and well-tested production code
• Take ownership of features from implementation through production
• Participate in technical discussions and architectural decisions
• Collaborate directly with engineers, product managers and other team members
• Review code and contribute to improving engineering practices
• Help maintain a high standard of code quality and reliability

What we’re looking for

• 6+ years of commercial software development experience
• Strong commercial frontend development background
• Solid hands-on experience with Vue.js
• Good practical experience with Vue 3
• Strong JavaScript and TypeScript skills
• Experience building and maintaining complex production web applications
• Good understanding of frontend architecture and modern software engineering practices
• Experience with automated testing
• Ability to work independently and take responsibility for delivered functionality
• Proactive mindset and good communication skills
• English B2+ for direct communication with an international team

Experience with Tailwind CSS, AWS or Terraform will be a plus, but is not required.

What we offer

• Long-term cooperation on an established product
• Competitive compensation for a Senior-level position
• Direct communication with an international product team
• Full-time workload
• Fully remote, hybrid or office-based work
• Flexible working environment
• Medical insurance
• Professional development and education reimbursement
• Support from the Quintagroup engineering team

Interested?

If you have a strong frontend background, solid commercial experience with Vue.js and TypeScript, and are looking for a long-term product where you can have real ownership, we’d be happy to talk.

3DFrames is a product company developing 3D solutions for B2B clients. Our projects include interactive visualizations, 3D configurators, STEM animations, and high-performance web applications.

We are looking for a Junior Three.js Developer to join our team and work on interactive 3D solutions for the web.

Format: Remote, full-time
Location: Ukraine / Europe
Company: 3DFrames
Company type: Product
Salary: up to $700 gross
English: sufficient for working with technical documentation

Core Requirements & Tech Stack

• Three.js, React, Redux, Redux-Saga, TypeScript
• 1+ years of relevant experience with Three.js, WebGL, or 3D graphics
• Basic understanding of 3D mathematics: vectors, matrices, and transformations
• Experience working with 3D models in GLTF / GLB / FBX / OBJ formats
• Understanding of Git and basic knowledge of GitHub / GitLab
• English sufficient for working with technical documentation

Responsibilities

• Develop 3D scenes, animations, and interactive elements using Three.js / WebGL
• Integrate 3D models into web projects, including preparation, optimization, and import of GLTF / FBX assets
• Work with textures, lighting, materials, and cameras
• Optimize 3D scenes for fast and efficient rendering in the browser
• Collaborate with developers, designers, 3D artists, and QA engineers
• Learn and apply new technologies and approaches in web-based 3D graphics

Will Be a Plus
 

• Tailwind CSS
• REST API
• Graph API
• Knowledge of 3D scene optimization
• Understanding of interactive 3D interfaces and UX in 3D

Team

You’ll be joining a team of 4 Developers, 1 Project Manager, and 2 QA Engineers.

What We Offer

• Full-time remote cooperation
• Cooperation via FOP
• Accounting support if needed
• 15 paid vacation days
• 5 paid sick days
• Paid public holidays
• Opportunity to grow within an experienced development team
• Hands-on experience with commercial web-based 3D products

Interview Process
 

HR Interview → Test Task → Technical Interview → Final Interview

Ready to join us? Apply now — your ideas and approach might be exactly the spark we’re looking for.

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies.

We are looking for a Senior Front-End Engineer (Pixi.js) to join our team! 

Requirements: 
- 5+ years in frontend engineering, 2+ years with 2D JavaScript Framework experience (Pixi.JS, Phaser, or similar)
- Expert in HTML5, CSS/SCSS, responsive layouts, and component-driven architecture.
- Familiar and can apply TDD/BDD like practices
- Performance optimization (change detection, lazy loading, bundle splitting)
- API integration: REST, WebSockets; robust error/edge-case handling.
- CI/CD familiarity; feature flags, environment config, release hygiene.
Security basics (OWASP for web), auth flows (OAuth/OIDC/JWT). 

Responsibilities: 
- Design, develop, and maintain scalable frontend services using modern web frameworks.
- Take part in technical discussions to come up with solutions for challenging issues;
- Optimize application performance, scalability, and security.
- Collaborate closely with product managers, designers, and other developers to deliver seamless user experiences.
- Write clean, maintainable, and well-documented code, following coding standards.

Our benefits to you:

☘️An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed

🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided

🏖Paid vacations, sick leave, personal events days, days off

💵Referral program — enjoy cooperation with your colleagues and get the bonus

📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences

🎯Rewards program for mentoring and coaching colleagues

✈️In-house Travel Service

🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie / book / pets lovers and more

🎳Other benefits could be added based on your location. 

About the Role
Client is developing a SaaS platform for the inspection and analysis of engineering structures based on large-scale 3D data.
We are looking for a Senior 3D Web Engineer to strengthen our team and take ownership of advanced 3D visualization challenges, including the integration of next-generation rendering technologies such as WebGPU.
You will work on a production system built on LuciadRIA, handling complex datasets with high demands on performance, scalability, and precision.

Your Responsibilities

• Develop and optimize web-based 3D visualization features within our platform
• Work with and extend our LuciadRIA-based 3D engine
• Design and implement high-performance rendering pipelines using WebGPU
• Handle large-scale datasets (e.g. photogrammetry, point clouds, meshes)
• Improve rendering performance, memory usage, and responsiveness
• Collaborate with frontend and backend developers (Angular, Node.js, TypeScript)
• Contribute to architectural decisions and guide less experienced developers

Tech Stack

• 3D Engine: LuciadRIA
• Frontend: TypeScript, Angular
• Backend: Node.js
• Infrastructure: GitLab, PostgreSQL, S3-compatible storage

Required Skills

• Strong JavaScript skills
• Solid understanding of 3D fundamentals
• Experience with at least one 3D framework (LuciadRIA preferred)
• Strong experience in web-based 3D visualization using WebGPU
• Proven experience with real-time 3D rendering in the browser
• Experience optimizing performance in large or complex 3D scenes

Preferred Skills

• Backend experience (Node.js) and data integration
• Experience with geospatial 3D systems or large coordinate spaces
• Experience with photogrammetry, point clouds, or mesh processing pipelines
• Experience with Gaussian Splatting or similar rendering techniques

About the Role
We are looking for a Senior Frontend Developer to join our Engineering team based in Monaco.
You will report directly to the Team Leader of the Ticket Shop team and collaborate closely with frontend developers, backend developers, product owners, designers, QA engineers, DevOps engineers, and colleagues across Monaco, Barcelona, and Lviv.
Our platforms power international sports events, live entertainment, and premium fan experiences across the globe, handling high traffic, real-time interactions, and business-critical sales operations.
As a Senior Frontend Developer, your mission will be to design, build, and evolve scalable, high-performance, and maintainable frontend applications while contributing to technical decisions, frontend architecture, developer experience, and AI-powered engineering workflows.
You will also play an active role in our internal AI Engineering Platform initiative, where AI is deeply integrated into the software development lifecycle to accelerate delivery, improve quality, automate testing, and enhance engineering efficiency.

Responsibilities
● Lead the development of key frontend features and applications using modern frontend technologies, ensuring high standards of scalability, maintainability, performance, and user experience.
● Design and develop modular, reusable, and well-tested frontend components aligned with UX/UI guidelines and business requirements.
● Contribute to the evolution of our frontend architecture, engineering standards, and development workflows.
● Participate in cross-team technical discussions with the CORE team to align frontend needs, API contracts, performance expectations, integration strategies, and platform evolution.
● Collaborate closely with backend developers, QA engineers, Product teams, and business stakeholders to deliver fully integrated and user-centric solutions.
● Drive frontend performance optimization, accessibility, observability, responsiveness, and security improvements across our platforms.
● Promote and implement frontend best practices including clean architecture, state management, testing strategies, maintainable code structure, and scalable component design.
● Contribute to automated testing initiatives including unit, integration, and end-to-end testing strategies.
● Review code, mentor developers, share technical knowledge, and contribute to a strong engineering culture focused on quality and continuous improvement.
● Use AI-powered engineering tools and assistants for code generation, testing, documentation, code reviews, debugging, and engineering acceleration.
● Contribute to the continuous enrichment of our internal engineering knowledge base, coding standards, engineering rules, and AI context repositories used by our internal AI platform.

Required Skills
● 6+ years of experience in frontend development.
● Strong expertise with VueJS and modern component-based frontend development.
● Experience with React or other modern frontend frameworks is a strong plus.
● Strong expertise in JavaScript / TypeScript, HTML5, CSS3, and modern frontend engineering practices.
● Experience building scalable and maintainable frontend architectures.
● Strong understanding of frontend performance optimization, accessibility, security, and responsive design.
● Strong experience with automated testing practices (unit, integration, component, and end-to-end testing).
● Experience with CI/CD pipelines, Docker, and modern engineering workflows.
● Experience working with REST APIs and asynchronous frontend integrations.
● Strong communication and collaboration skills within cross-functional engineering teams.
● Ability to mentor and guide other developers through code reviews, technical discussions, and knowledge sharing.
● Experience using AI-assisted software engineering tools and workflows to improve development productivity, code quality, testing, and documentation.
● Experience using AI-assisted software engineering tools and workflows to improve development productivity, code quality, testing, and documentation.
● Familiarity with modern AI engineering concepts such as RAG, MCP, AI agents, prompt engineering, engineering knowledge bases, or AI-assisted automation workflows.
● Experience working on high-traffic platforms, e-commerce, ticketing systems, SaaS products, or large-scale digital platforms.
● Good written and spoken English.

Nice to Have
● Experience with Cypress, Playwright, Jest, or similar testing frameworks.
● Experience with observability and monitoring tools.
● Familiarity with modern AI engineering tools and workflows such as Claude Code, Cline, Cursor, GitHub Copilot, AI agents, and multi-model AI environments (Claude, GPT, Gemini, Qwen, etc.).
● Basic knowledge of backend technologies and API integrations, including PHP, Node.js, or Go.

Why Join Us?
● Work on highly visible, international, high-traffic digital platforms used during major sports and entertainment events.
● Join a modern engineering organization investing heavily in AI-powered software development and engineering acceleration.
● Work with an internal AI Engineering Platform integrated into daily engineering workflows.
● Contribute to innovative initiatives around AI-assisted development, automated testing, engineering automation, RAG-based knowledge systems, and AI-powered developer productivity.
● Collaborate with a talented and international Engineering team focused on scalability, quality, innovation, and continuous improvement.
● Play a key role in shaping the future of frontend engineering within a fast-evolving technical environment.
● Be part of an engineering culture that values ownership, technical excellence, learning, and innovation.

24PLAY is a game development company from Ukraine, creating games and playable ads in co-development and co-production with partners worldwide.
 

Since 2019, we’ve been bringing together strong production expertise, creative talent, and a deep understanding of games to turn ideas into engaging player experiences. Today, we collaborate with partners such as Ubisoft, Papaya, Octo Games, and others - developing and launching games and playable experiences for global audiences.

As a Diia City resident, we offer employee reservation starting from the first day of employment.
 

We are currently looking for a Playable Ads Developer to share our core company values:

• Creativity: We actively encourage and embrace each other’s ideas, transforming them into reality through collaboration and innovative thinking.
• Integrity: We commit to providing honest feedback and realistically assessing situations, fostering a culture of trust and transparency.
• Productivity: We strive to optimize our workflows to achieve the best possible results in the shortest timeframe, ensuring efficiency and effectiveness in our operations.
• Uncompromising Quality: Our commitment to excellence drives us to prioritize the quality of our work above all else, ensuring that we consistently deliver outstanding results.
• Healthy Lifestyle: We advocate for a healthy lifestyle and stand against harmful habits, promoting well-being and balance within our team.
   

We are looking for a professional for the role that requires:

• Full-time job;
• Office-based in Kyiv.

Main responsibilities:

• Create 2D and 3D playable ads and creatives to promote mobile games
• Develop gameplay mechanics, game logic, animations, and visual effects
  
  Nice to have:
• Experience working with MRAID and understanding of ad network technical requirements for playables
• Experience creating games on any technology/platform (Unity, Flash, etc.)
  
  Our ideal candidate:
• 0,5+ years of experience working with JavaScript
• Experience building web applications or games using 3D graphics libraries (Three.js, Babylon.js, etc.) or experience with 2D JavaScript libraries such as PixiJS or similar
• Experience with JavaScript physics libraries (Ammo.js, Cannon.js, or similar)
• Solid understanding of 2D/3D math (vectors, matrices, dot/cross product)

Why join our team?

• Fully Legal: Official employment in full compliance with Ukrainian labor legislation, including paid vacation (24 days) and sick leave (unlimited).
• Professional Team: A high-performing group of skilled individuals committed to excellence.
• No Overtime: We prioritize a healthy work-life balance, with no overtime required.
• Stable Payments: No payment delays since the foundation of the company.
• Bonus System: A unique reward system designed to motivate employees by aligning their performance with the company’s financial goals.
• Professional Development: Access to mentorship programs and our internal library for continuous growth.
• Events: Enjoy board games, masterclasses, corporate events, sports activities, and free English classes.

• Comfortable Workspace: A modern office in Kyiv featuring a spacious lounge, fully-equipped kitchen, sports zone, cinema, and complimentary spa facilities for employees.