Jobs JavaScript / Front-End

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.
• Embrace and operate within a T-shaped approach, being ready to extend expertise beyond frontend tasks to ensure end-to-end delivery of features
• 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.
• Knowledge or experience in Backend development (specifically Nest.js) is a significant plus.
• Knowledge or experience with automated tests (integration, E2E) is a significant plus.
• Willingness and mindset to work in a T-shaped model, contributing to various stages of the development lifecycle
• 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.

Come build something true with us.

We’re True Sea Moss, a fast-growing wellness brand built on the healing powers of one of nature’s oldest superfoods: sea moss.

No powdered promises. No pretty lies. Just clean, potent nourishment pulled from the wild and delivered to the people who need it most.

As we scale, our Shopify store has become one of the core pillars of how customers experience the brand — from product discovery to subscription, retention, and checkout performance.

We’re looking for a Shopify Developer — someone who can own the technical side of our storefront, build scalable solutions, and ensure our e-commerce platform evolves as fast as the business does.

Now — who are we looking for?

You’re not just maintaining a website — you’re building an e-commerce engine.

You understand how Shopify works under the hood: themes, Liquid, APIs, apps, and performance. You know how to translate design and marketing ideas into fast, stable, conversion-focused storefront features.

You’re comfortable owning Shopify development end-to-end — from implementing new features to improving performance, fixing issues, and supporting growth experiments.

What You’ll Be Doing

• Build and customize Shopify themes using Liquid, HTML, CSS, and JavaScript
• Develop new storefront components, sections, and templates
• Implement UI updates and landing pages based on design and marketing needs
• Optimize store performance, loading speed, and mobile responsiveness
• Troubleshoot and resolve bugs or technical issues affecting the storefront
• Integrate and configure Shopify apps (subscriptions, marketing tools, analytics)
• Support marketing campaigns with technical implementations and landing pages
• Ensure stable integrations with platforms like Klaviyo, Recharge, Postscript, and other tools
• Maintain clean code structure and documentation
• Act as the technical owner of the Shopify storefront

What You Bring

• 3+ years of experience working with Shopify development
• Strong experience with Liquid, HTML, CSS, and JavaScript
• Experience customizing Shopify themes and storefront components
• Understanding of Shopify APIs and the Shopify app ecosystem
• Experience integrating marketing and subscription tools within Shopify
• Strong attention to performance, responsiveness, and user experience
• Strong English (Upper-Intermediate+)
• Ability to work independently and collaborate with design and marketing teams

Nice-to-Haves

• Experience building custom Shopify apps
• Experience with Shopify Plus environments
• Experience optimizing Shopify performance and page speed
• Familiarity with Git and version control workflows
• Experience working with fast-growing DTC or e-commerce brands

Why Work With Us

• You’ll own the technical evolution of the company’s core storefront
• Real autonomy, real responsibility, real impact
• A brand that values depth, honesty, and long-term thinking
• A team that trusts expertise and supports strong ownership

Here’s How We Back Our Words with Care

• Welcome pack and custom True Sea Moss merch to start strong
• Sports reimbursement to support your mental and physical well-being
• Additional vacation days beyond standard holidays
• Coaching & career development sessions to fuel your growth
• Corporate English lessons to sharpen communication
• WHOOP membership to support your health and recovery
• Coworking membership for flexibility and focus
• Sabbatical options after long-term contributions
• Travel and project grants to support personal growth and creativity

So — does this sound like you?

If you’re ready to build and scale a high-performing Shopify storefront for a fast-growing wellness brand — we’d love to meet 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.

We are looking for an experienced Shopify Frontend Developer to join a fashion-tech project on a part-time basis and help finalize a custom Shopify store before launch.

The store is already partially implemented, designs are ready in Figma, and the codebase is hosted on GitHub. The main focus is Shopify theme customization and frontend work — no complex integrations or backend-heavy tasks.
 

Responsibilities:

• Finalize and customize a partially implemented Shopify store
• Apply and adjust Shopify themes to match brand guidelines
• Implement responsive, pixel-accurate layouts from Figma
• Customize product pages, collections, and content sections
• Refine UI, styles, and overall visual consistency
• Prepare the storefront for production launch
   

Requirements:

• Strong experience with Shopify theme development
• Confident knowledge of Shopify Liquid
• Solid skills in HTML and CSS
• Working knowledge of JavaScript
• Experience customizing existing Shopify themes (sections, templates, layouts)
• Ability to implement designs from Figma
• Strong understanding of responsive design
• English level: B2 or higher
   

We offer

• Fully remote, part-time engagement
• Flexible schedule
• Direct collaboration with a product-oriented startup
   

Hiring process:

1. Intro call with recruiter (up to 30 minutes)
2. Short call with a team member (30 minutes)
3. Offer

Our client is a leading UK insurtech company offering an innovative pay‑by‑mile car insurance product built on a modern cloud platform and connected‑car technology. With a strong market presence and tens of thousands of active users, the company is recognised as a key player in the usage‑based insurance segment.
We are assembling a team of Full‑stack and DevOps engineers to support the platform during its phase‑out period. The project involves maintaining platform stability, delivering essential updates, and ensuring a seamless customer experience.

As part of the GlobalLogic team, you will grow, be challenged, and expand your skill set working alongside highly experienced and talented people.

If this sounds like an exciting opportunity for you, send over your CV!

Requirements

• Strong experience with TypeScript and React 
• Solid experience working with AWS
• Familiarity with Serverless Architecture, including hands-on or working knowledge of services such as AWS Lambda, AWS DynamoDB, Amazon RDS with PostgreSQL, Amazon ECS, AWS Step Functions
• Understanding of building and integrating APIs and cloud-based services.
• Experience working with distributed or cloud-native applications in an AWS environment.
• Ability to collaborate effectively in cross-functional engineering teams and contribute to scalable, maintainable system design.
• Good level of English

Job responsibilities

• Develop and implement features required to support the business exit process.
• Provide ongoing maintenance, including bug fixes and issue remediation, to ensure stable service for customers during the transition period.
• Support and maintain release pipelines, ensuring timely delivery of fixes and updates.
• Assist in maintaining system stability and performance while customers continue to use the platform.
• Potentially support the migration of the ByMiles back book to a long-term platform once the final customers have transitioned off the service.
• Collaborate with cross-functional teams to ensure smooth delivery of updates and minimal disruption to customers during the transition.

Requirements

• 3+ years of experience with React.js and TypeScript
• Strong understanding of HTML5, CSS3, and modern styling techniques
• Experience with TailwindCSS or TSS-react
• Comfortable working with RESTful APIs
• Deep understanding of component architecture, state management
• Experience integrating with REST APIs and handling async data
• Ability to read, understand, and improve existing code
• English level at Upper-Intermediate level or higher
• Design background (education or past work)
• Experience designing and maintaining complex design systems in Figma
• Understanding of UI/UX principles
• Ability to read and implement designs correctly
• Experience with components, grids and layouts
• Attention to details (spacing, typography, alignment)

Nice to Have:
 

• Experience with Next.js and App Router
• Familiarity with shadcn/ui or other modern headless UI libraries
• Experience integrating or working with CMS platforms like Prismic or Strapi
   

We offer:
 

• 21 vacation days, 8 sick leave days, 7 additional days off if needed, and a day off on your birthday
• Medical insurance or  compensation for sports expenses
• 50% compensation for education expenses—lectures, conferences, and English courses
• An amazing and friendly team. Check out our Instagram and DOU
• A comfortable office close to the city center
• Flexible work schedule
• No bureaucracy or micromanagement—we follow a Scandinavian management model

UAPP.AI  is an AI-focused product IT company founded in 2018 that specializes in creating, launching, and monetizing mobile applications and web products with over 10 million combined installs for global markets. 

We create our own products & apps — design, build, monetise, and scale them to millions of users worldwide.

Now we are looking for a Front-End Developer to join our team and work on the development&launching  of new subscription-based digital products. The role involves building interactive features, ensuring cross-browser compatibility, optimizing performance, and collaborating with backend teams.

Key Responsibilities

• Feature Development: develop, test, and ship secure UI components for subscription flows, including checkout pages, payment gateways and user account management.
• User experience (UX): ensure seamless, responsive, and accessible (WCAG compliant) interfaces across mobile and desktop devices.
• Optimization: improve conversion and retention rates through UI/UX refinements, code optimization, and performance improvements.

• Collaboration: Work with designers and product managers to translate wireframes into code, and collaborate with backend engineers to integrate API services.

   

Required Skills and Qualifications:

• Technical proficiencies: Strong expertise in JavaScript/TypeScript, HTML5, CSS3, and modern frameworks (like React).
• API Integration: Experience connecting front-end applications with RESTful APIs or GraphQL.
• Performance Optimization: Knowledge of frontend performance testing and optimization techniques.
• Experience: Proven track record of shipping production-level code, often requiring 2+ years of experience.
• Tools: Familiarity with testing frameworks (e.g., Jest, Cypress) and version control (Git).

We offer:

• Competitive salary
• Remote
• Opportunities for professional growth and development
• A dynamic and fast-growing team environment
• The ability to make a real impact on the product and see tangible results.

The primary objective of this position is to ensure the quality of CQG products by following and enhancing web-applications and API for Company clients.

Responsibilities:

• Write production quality and test code for the required product according to provided requirements;
• Support the legacy code
• Unit-test development
• Workflow planning and task evaluation
• Requirements design
• Actively participate in discussions regarding technical issues
• Keep commitments and deadlines

REQUIREMENTS:

• Bachelor’s degree in computer science or related discipline
• Over 3 years of hands-on experience
• Strong command of English (from B2 and higher) with the ability to communicate easily on wide range of topics, including technical discussions
• Excellent knowledge of JavaScript and TypeScript
• Knowledge of Angular is a must
• Experience in React or Vue.js
• Experience in CSS3 layout
• Understanding the processes of web-applications (REST API), web-servers and Internet network (HTTP, TCP, UDP)
• Experience in Node.js
• Experience in Git
• Excellent knowledge of OOP principles and project patterns
• High level programming
• High quality code review
• Knowledge of C#, .NET, Linux, SQL ,Angular Material, ag-grid, Docker, Kubernetes and GitLab-CI is an advantage
• Willingness to learn new industry, product or technical knowledge

WE OFFER:
CQG provides a variety of benefits to enhance your personal and financial well-being. Employees and eligible dependents may participate in the following:

• Career and professional opportunities
• Competitive salary
• Medical insurance
• Slovenian classes
• Flexible vacation schedule and paid sick leave days
• Team buildings, meetings with colleagues from other offices, conferences, and much more

Project description

We are seeking a highly skilled Regular 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 WebGL and Three.js, 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 Angular, TypeScript, Three.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.

Skills

Must have

3+ years in Graphics development, with a strong emphasis on web-based Visualization applications and tools.

Bachelor's or Master's degree in Computer Science, Engineering, or a related field.

Strong proficiency in Angular, TypeScript and WebGL, Three.js

In-depth knowledge of the graphics rendering pipeline.

Experience with backend development and microservices architecture.

Proficiency in cloud platforms such as AWS or Azure.

Excellent problem-solving skills and attention to detail.

Strong communication and collaboration skills.

Ability to work independently and as part of a team.

Nice to have

Proven experience in web-based visualization development, particularly in the oil and gas industry.

Familiarity with AI

Languages

English: B2 Upper Intermediate

We're a client-focused Shopify agency looking for a Shopify developer who takes ownership of their work from estimate to delivery.

This is a remote-friendly position that offers flexibility and room for growth.

Join us and be part of our dynamic team!

What you'll do:

• Build and customize Shopify and Shopify Plus stores – themes, apps, integrations
• Work with clients to clarify requirements and provide realistic estimates
• Troubleshoot and ensure performance across devices and browsers
• Convert designs and requirements into functioning storefronts using HTML, CSS, JavaScript, and Liquid

What we're looking for:

• 3+ years of Shopify development experience
• Strong command of HTML5, CSS3 (SCSS/SASS), Liquid, JavaScript (ES5/ES6) and experience with jQuery
• Knowledge of JavaScript (ES5/ES6) and experience with jQuery
• Solid experience working with Shopify/Shopify Plus stores
• Comfortable with Metafields tools (Metafields Guru, Accentuate Custom Fields)
• Git, Themekit – standard part of your workflow
• You give accurate estimates and flag risks early – not after the deadline
• Strong communicator who can talk to clients, not just to code
• English – Upper-Intermediate (B2+) or higher; experience communicating with clients in English is a plus

Why join us?

• Work remotely with a global team
• Direct access to decision-makers – your input shapes how we work
• Autonomy in technical decisions
• Compensation for professional development courses
• 21 vacation days + paid sick leave + birthday day off

• Salary in USD

   

If this sounds like the kind of work you've been looking for – we'd love to hear from you. Apply now and let's see if we're a match.

Recruitment process:

HR interview → Technical interview + live coding → Offer

P.S: Applications are reviewed within 7 business days. If you do not hear back from us during this time, it means we have reviewed your resume, but currently, your experience does not meet our expectations

Key requirements:

Experience:

• Proven experience in developing web applications using WebGL for at least 5 years;
• A portfolio with examples of projects demonstrating skills in working with WebGL.

Deep knowledge of WebGL API:

• Expert understanding of the low-level WebGL API and its capabilities.;
• Ability to work with shaders (GLSL) for vertex and fragment programs;
• Knowledge of the basic concepts of 3D graphics: transformation matrices (modeling, view, projection), lighting, texturing, buffers (vertex, index).

Knowledge of JavaScript:

• Excellent knowledge of JavaScript (ES6+);
• Understanding of asynchronous programming and working with DOM.

Mathematics for graphics:

• Good understanding of linear algebra and geometry required for 3D graphics.

Working with API:

• Experience integrating with RESTful API and other web services. Experience with other types of API (especially RPC) will be a plus;
• Understanding of the principles of the HTTP protocol;
• Ability to process data in JSON and other formats.

Working with version control systems:

• Mandatory knowledge of Git and experience with GitLab, GitHub or Bitbucket;
• Understanding of the principles of optimizing the performance of WebGL applications.

Knowledge of modern web technologies:

• Good understanding of HTML and CSS.

English:

• Spoken and written English at a level sufficient for reading technical documentation and communicating with the team (B1 or higher).

Additional desirable skills:

• Experience with 3D engines and libraries for WebGL (e.g. Three.js, Babylon.js);
• Knowledge of the principles of physics engines (e.g. Cannon.js, Ammo.js);
• Knowledge of the principles of shader development (GLSL);
• Experience with WebAssembly (Wasm) to improve graphics performance;
• Knowledge of CI/CD (Continuous Integration/Continuous Delivery) principles;
• Experience working in Agile teams;
• Ability to estimate deadlines and stick to them;
• Proactivity, responsibility, ability to work in a team;
• Desire to develop and learn new technologies.

We offer:

• An interesting project and non-trivial tasks that will allow us to show your professional attitude and creativity;
• Friendly team;
• Comfortable working schedule and working conditions;
• Opportunity to work remotely as well as in an office located in the city centre;
• Stable, competitive salary;
• Paid vacation and sick leaves;
• Opportunity for professional growth and career development;
• English, paid professional courses, coffee/fruits and other pluses :)

We’re looking for a JavaScript/TypeScript + AWS engineer who will work on AWS infrastructure components—automation, APIs, and “generic” platform tasks—so other team members can focus more on customer-specific work.

Key responsibilities

• Develop and maintain backend logic and APIs in JavaScript/TypeScript
• Work with AWS (Lambda, S3, RDS) and support infrastructure
• Manage Infrastructure as Code using CloudFormation
• Set up and maintain CI/CD with GitHub / GitHub Actions

Requirements

• English B2
• Commercial experience with JavaScript / TypeScript
• Hands-on experience with AWS: Lambda, S3, RDS, CloudFormation
• Confident with GitHub and GitHub Actions

Nice to have

• Experience with logging for AWS deployments

DEVIRO — команда, що створює українські БПЛА від ідеї до польоту. Ми шукаємо Front-End розробника, який допоможе створювати інтерфейси для систем обробки відео та керування польотами.
 

Це можливість працювати над продуктом, який реально використовується в складних реальних системах, бачити, як ваш фронтенд взаємодіє з апаратною частиною, та впливати на розвиток інноваційних рішень для безпілотних технологій в Україні. Ідеальний кандидат має глибокі знання Typescript та React і прагне створювати інтерфейси, що поєднують зручність та продуктивність у високотехнологічному середовищі.

Обов’язки:

• Розробка та підтримка інтерфейсів користувача з використанням Typescript та React;
• Створення адаптивного дизайну для оптимального відображення на різних пристроях;
• Реалізація користувацьких інтерфейсів відповідно до вимог проєкту;
• Написання та підтримка технічної документації;
• Тестування та дебаггінг додатків/сайтів для забезпечення високої якості продукту;
• Використання сучасних інструментів та фреймворків (React / Typescript / Material UI). 

 Вимоги:

• Мінімум 3 роки досвіду на позиції Front End розробника;
• Високий рівень володіння Typescript, React, JavaScript;
• Вміння працювати в команді та ефективно комунікувати з іншими відділами;
• Досвід роботи з MobX, Dependency Injection, Swagger, Leaflet, WebRTC, Material UI буде перевагою.

 Ми пропонуємо:

• Офіційне працевлаштування;
• Своєчасну виплату заробітної плати;
• Бонуси, премії та надбавки;
• Команду однодумців, готових підтримати у будь-якій ситуації;
• Середовище для постійного професійного розвитку, навіть в умовах воєнного часу;
• Комфортні умови праці (сучасна кухня, чай/кава);
• Можливість бронювання від мобілізації.

Обов’язки:

- Розробка інтерактивних HTML5 застосунків і UI-анімацій на базі PixiJS або Phaser;
- Оптимізація графіки та продуктивності під low-end пристрої;
- Інтеграція анімацій і ігрових сцен з backend/API;
- Робота з WebAudio API для створення звукових ефектів;
- Налаштування та збір проєктів через Vite / Webpack;
- Співпраця з UI/UX-дизайнерами та технічними художниками для досягнення кращого результату;
- Підтримка та оновлення наявних проєктів (додавання нових сцен, UI-компонентів, ефектів).

Вимоги:

- 3+ роки досвіду в HTML5 або GameDev проєктах;
- Комерційний досвід з PixiJS або Phaser;
- Глибоке знання TypeScript і принципів об’єктно-орієнтованого програмування;
- Розуміння архітектури UI та GameLoop;
- Досвід роботи з HTML5 Canvas / WebGL;
- Знання та практичний досвід роботи з GSAP (анімації, таймлайни, tweening);
- Досвід роботи з Git / GitHub, у тому числі з пул-реквестами та code review;
- Уміння оптимізувати рендеринг і пам’ять під слабкі пристрої (оптимізація текстур, батчинг, кешування спрайтів);
- Базові знання роботи з REST API, JSON, WebSocket (для інтерактивних компонентів).

Умови:

- Місце роботи: віддалено.
- Графік: повний робочий день.
- Заробітна плата: обговорюється на співбесіді, залежно від досвіду та навичок кандидата.
- Можливості: професійне зростання, участь у великих продуктах, співпраця з міжнародною командою.