Jobs JavaScript / Front-End

Inforce is a Software Development Company delivering high-quality IT solutions for international clients. We are looking for a Front End Developer with strong Shopify and vanilla JavaScript expertise.

Requirements:

• Professional front-end development experience
• Vanilla JavaScript expertise — building complex UI logic without heavy frameworks
• Expert in Shopify Liquid, theme & template development
• Experience with Shopify Checkout UI Extensions and App Blocks
• Knowledge of reusable, modular UI component design (Web Components or similar)
• Proficiency with modern CSS, preprocessors, Tailwind CSS
• Understanding of browser APIs, state management, and performance profiling
• Comfortable working independently in a remote, sprint-based environment
  
  Responsibilities:
• Build and maintain Shopify front-end solutions
• Develop themes, Checkout UI Extensions, and App Blocks
• Design reusable modular UI components
• Optimize performance and maintainability
• Collaborate with the team to follow best practices
  
  We offer:
• Competitive salary
• Challenging Shopify projects
• Career growth opportunities
• Paid sick leave & vacation
• Friendly team and flexible format

• Support for professional development
   

  Required language:
  English — B2 (Upper-Intermediate)

   

About the Role

We are seeking a strong Software Developer to join our team working on Receptor AI Web, a cutting-edge molecular visualization and drug discovery platform. You will primarily work on our React/TypeScript frontend, with opportunities to contribute to the full-stack architecture.

Key Responsibilities

  - Develop and maintain frontend features using React and TypeScript

  - Work with 3D molecular visualization using NGL library

  - Integrate with RESTful APIs for chemical compound data

  - Optimize performance for large datasets and real-time rendering

  - Debug and refactor existing codebase for better maintainability

Required Qualifications

  - Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience)

  - 1.5+ year of professional software development experience

  - Strong programming skills in JavaScript/TypeScript

  - Solid understanding of React hooks and modern React patterns

  - Experience with state management solutions (Redux preferred)

  - Proficiency with version control systems (Git)

  - Good problem-solving skills and attention to detail

  - Ability to work both independently and as part of a team

  Preferred Qualifications

  - 3D Graphics/Visualization - Experience with WebGL, Three.js, or scientific visualization libraries

  - Chemistry/Biology background.

  - Data Visualization - Experience with Chart.js, D3.js, or similar libraries

  - Backend knowledge - Familiarity with Python, or API development

  - Familiarity with testing frameworks (Jest, Vitest, React Testing Library)

  - Knowledge of responsive design and cross-browser compatibility

  - Understanding of performance optimization techniques

  - Experience with scientific or data-intensive applications

Requirements:

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

Would be a plus:

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

Responsibilities:

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

About the project:

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

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

We are looking for a Trainee Front-End Engineer to join our team and help build modern web and mobile applications using Angular. You will work closely with senior engineers, develop your front-end skills, and gain hands-on experience with Firebase and Ionic. This role also offers a potential growth path toward an AI Engineer role for candidates interested in AI technologies.

Responsibilities:

• Develop and maintain web and mobile applications using Angular.
• Build responsive UI components and features.
• Integrate applications with Firebase services (authentication, database, hosting).
• Support mobile app development using Ionic.
• Fix bugs and improve application performance.
• Collaborate with designers and back-end engineers.

Requirements:

• Basic knowledge of HTML, CSS, and JavaScript.
• Familiarity with Angular fundamentals (components, services, routing).
• Understanding of REST APIs.
• Willingness to learn and grow in a team environment.

Nice to Have:

• Basic experience with Firebase.
• Familiarity with Ionic framework.
• Interest in AI or machine learning.

Growth:

• Mentorship in Angular and full-stack Firebase development.
• Opportunity to gradually transition toward an AI Engineer role.

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

What you’ll work on

• Build web applications using React and related front-end technologies
• Implement new features and maintain existing functionality
• Optimize performance and improve code quality
• Solve technical challenges and contribute to internal knowledge sharing

• Collaborate closely with the back-end team

   

Experience that will help you succeed

• Strong knowledge of JavaScript (ES6+) and TypeScript
• Solid experience with React or another modern front-end framework
• Ability to use AI tools (ChatGPT, Claude, etc.) to speed up development
• Strong HTML/CSS skills
• Experience working with REST and/or GraphQL APIs
• Experience with Git
• Ability to write clean, maintainable code following best practices
• Nice to have: Bootstrap, React-Bootstrap, Material UI, or Tailwind CSS
• English level: Intermediate or higher
• Please include "Hola Peppernode!" in your response

We offer

• Interesting projects with a modern tech stack
• Fully remote work
• Professional growth opportunities
• Competitive salary with performance-based reviews
• Flexible working hours

Location: Kyiv, Ukraine (Office-based)

Employment Type: Full-time

Salary: 400-1000 USD

About US
Established in 2023, make-it.run was founded by a passionate team of full-stack developers and product strategists in Tallinn, Estonia. Our vision is simple: empower ambitious startups by transforming their ideas into high-performance digital products. You can visit our website at: https://make-it.run

About the Role

We are seeking a talented and smart Junior Frontend Developer to join our growing team in our office in Kyiv. This is an excellent opportunity for an ambitious developer to work with senior developers who have 20 years of experience and to intern.

Requirements

Essential Skills

- Strong knowledge of React - hands-on experience building modern web applications
- Proficiency in Tailwind CSS for efficient styling and responsive design
- Understanding of JavaScript fundamentals and ES6+ features
- Experience with HTML5 and CSS3
-Intermediate english
- Familiarity with version control systems (Git)

Nice to Have

- Experience with Next.js framework
- Knowledge of TypeScript
- Understanding of responsive web design principles
- Basic knowledge of web performance optimization

Personal Qualities

- Talented individual with a passion for frontend development
- Smart problem-solver who can think critically and creatively
- Eager to learn and grow in a fast-paced environment
- Good communication skills and ability to work in a team
- Attention to detail and commitment to writing clean, maintainable code

What We Offer

🏢 Comfortable Office Environment - Modern workspace in Kyiv with all necessary amenities

💰 Competitive Salary in USD - Stable compensation in US dollars

🤝 Long-term Cooperation - We're looking for team members who want to grow with us

📚 Professional Development - Continuous learning opportunities and skill enhancement

👥 Mentorship Program - Direct support and guidance from experienced senior developers

🌟 Friendly Team Culture - Collaborative, supportive work environment where everyone's voice matters

Ready to Join Us?

If you're a motivated junior developer ready to take the next step in your career, we'd love to hear from you. Send us your resume along with any portfolio projects or GitHub repositories that showcase your React and frontend skills.

*We value diversity and welcome applications from all qualified candidates.*

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

Would be a plus:

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

Responsibilities:

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

About the project:

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

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

Requirements:

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

Would be a plus:

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

Responsibilities:

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

About the project:

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

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

Delasport — Implementing Technological Solutions Here and Now.

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are looking for the top talents to join our team in R&D centre in Kyiv.

RESPONSIBILITIES
 

• Collaborate with a team of developers to design, develop, and maintain high-quality web applications
• Implement user interfaces and application features based on defined business requirements
• Utilize modern front-end frameworks and libraries, such as React and Material-UI (MUI), to develop and integrate front-end components
• Apply object-oriented programming (OOP) principles to ensure the creation of clean and modular code
• Follow the SOLID, DRY, KISS, and YAGNI principles
• Participate in code reviews and provide feedback to improve overall code quality
• Troubleshoot and debug front-end issues to ensure optimal application performance
• Collaborate with cross-functional teams to gather requirements and contribute to the design and implementation of new features
   

REQUIREMENTS
 

• At least 1 year experience in WEB development
• Strong understanding of JavaScript, React, React Hooks, TypeScript, and Redux
• The presence of a portfolio (e.g., active Git profile or example of previous test tasks)
• Solid knowledge of object-oriented programming (OOP) principles and their practical application
• Understanding and application of the SOLID, DRY, KISS, and YAGNI principles in code development
• Experience in writing unit tests
• Strong problem-solving and analytical skills
• Attention to detail and ability to write clean and maintainable code
• Good communication skills and ability to work effectively in a team
• Enthusiasm for learning and staying up-to-date with new technologies and best practices
• Upper-Intermediate English level (both speaking and writing)
   

NICE TO HAVES
 

• Familiarity with front-end libraries and frameworks such as Material-UI (MUI), React Hook Form and Redux Toolkit
• Knowledge of MVC architecture
   

WHAT WE CAN OFFER YOU
 

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

The role

As a Front-End Intern, you will support the development of clean, responsive, and user-friendly interfaces for our AI-driven platforms. You’ll work with front-end engineers and designers to build UI components, improve user experience, and learn modern development practices using React and Next.js.

This internship gives you hands-on experience turning product ideas into functional, polished interfaces used by our global B2B clients.
 

Requirements

• Currently pursuing a degree in Computer Science, Information Assurance, or a related field
• Basic knowledge of HTML, CSS, JavaScript
• Familiarity with React or another modern framework
• Interest in UI/UX and responsive design
• Strong attention to detail and willingness to learn
• Passion for front-end development
   

Responsibilities

• Assist in building and maintaining UI components in React and Next.js
• Contribute to responsive, accessible, and performant interfaces
• Work with designers to implement mockups and prototypes
• Help integrate front-end features with APIs
• Participate in documentation, code reviews, and team discussions
   

About HelloBiome

HelloBiome is an innovative B2B biotech startup at the forefront of AI-powered microbiome innovation. We are dedicated to revolutionizing consumer health by leveraging the microbiome. Through democratizing access to microbiome data, HelloBiome utilizes advanced AI technologies to develop targeted health solutions, transforming these insights into commercial applications for our business clients. Trusted by over 20 clients, including industry giants like Unilever, we are not just predicting the future of consumer health; we are actively shaping it. At HelloBiome, every step we take is towards a healthier future, optimizing well-being one microbiome at a time.
 

Our Culture

At HelloBiome, we thrive in a globally connected, remote work environment with team members distributed across Europe, the US, Canada, and Korea. Our headquarters are in San Francisco and Our dynamic and international team embodies a culture of kindness paired with a drive for innovation and excellence. We value proactive individuals who bring a self-starter mindset to their roles, always seeking new ways to advance our mission. Attention to detail is crucial in our work, as we are committed to delivering precise and impactful health solutions to our B2B clients.

This remote and flexible work structure not only fosters a diverse and inclusive atmosphere but also encourages a balance between personal growth and professional excellence. Join us and be part of a team that is shaping the future of consumer health through groundbreaking AI-powered microbiome innovation.

Our client is a company that is one of the prominent providers of unique online slot games based in Spain. With a team of more than 20 developers, designers, and marketers, they are dedicated to creating innovative and captivating slot games. The game development project is designed to appeal to a wide audience of players worldwide.

Required skills:

• At least 2 years of experience in the gaming industry.
• Proficiency in TypeScript or JavaScript ES6+.
• Experience with PIXI.
• Understanding of game development principles and game design.

• Ability to work in a team and communicate ideas effectively.

   

Responsibilities:

• Participate in developing and assembling slot games based on provided concepts.
• Develop game content using TypeScript or JavaScript ES6+.
• Utilize libraries and frameworks like PIXI, Phaser, Cocos2d, and Three.js.
• Collaborate with designers and other developers to achieve high-quality standards.

• Optimize game performance and responsiveness.

   

Сompanу offer:

• Competitive salary.
• A friendly and creative atmosphere.
• Opportunities for professional growth and development.
• Flexible working hours and remote work options.

We are looking for a Junior Full-Stack Developer to join our team in building and supporting a modern CRM system. 

You will be involved in data parsing and transformation, integrating third-party services, and improving the overall performance. 

This role is a great starting point for someone eager to grow as a full-stack engineer while working on a real product.

Responsibilities:

• Assist in developing and maintaining web applications using React (frontend) and Node.js (backend)
• Work with RESTful APIs and data exchange between front and back end
• Write clean, readable, and maintainable code
• Help with writing scripts for data parsing and transformation

• Collaborate with other developers and stakeholders in an Agile environment

   

Requirements:

• Basic understanding of JavaScript, Node.js, and React
• Familiarity with HTML, CSS, and browser developer tools
• Understanding of REST APIs and HTTP basics
• Basic experience with JSON, data structures, and asynchronous code
• Familiarity with Git and version control workflows
• Ability to write or understand basic data parsing scripts (e.g., extracting and transforming structured or semi-structured data)
• Good problem-solving skills and willingness to learn

• English: Upper-Intermediate or higher 

   

Nice to Have:

• Knowledge of Java or experience working with Java-based backend systems
• Any experience using or integrating AI-powered tools or services (e.g. AI APIs, chatbots, data analysis, automation, or ML-assisted features)
• Experience with tools like Postman, VS Code, or any database (MongoDB, PostgreSQL, etc.)
• Exposure to Agile / Scrum workflows
   

What we offer:

• Competitive salary and bonuses
• Remote-first culture
• Flexible schedule
• Open-minded, results-driven environment
• Product ownership and impact

Our mission is to make learning technology accessible, easy and fun for users across the world! We are creating next-generation education platform for learning software development and intent to become a leading player in that market.

Are you excited about creating technology that will be used by millions of people worldwide? Are you passionate about web and programming? Do you like learning new things? Do you like challenging goals and personal growth? Do you want to work in a “flat organization” where voice of each team member is important? If you answered “YES” to all these questions, congratulations! You are a candidate for a new team at Genesis!

You will be part of a very lean team responsible for building and testing new education platform. You need to be familiar with back-end software engineering, including development, testing and deployment processes. You will interact with user acquisition and product teams to quickly iterate through hypothesis.

Responsibilities:

• Design and develop website for our education platform and internal services;
• Set up interfaces to interact with back-end infrastructure;
• In cooperation with CTO participate in developing system architecture;
• Write efficient, scalable, and maintainable code that will help iterate quickly and safely.

Requirements:

• Fluent knowledge of JavaScript and TypeScript;
• Familiarity with modern frameworks/libraries (ideally both React and Vue);
• Experience working in a team environment (familiarity with Git, habit of writing clean and well documented code).
• Computer Science or Information Technology degree is must!

Will be a plus:

• Understanding of SSR;
• Familiarity with REST.

What do we offer:

• Work within an ambitious team on a socially impactful education product.
• 20 working days of paid vacation per year, plus public holidays.
• An office with a reliable shelter, generators, satellite internet, and other amenities.
• Access to our corporate knowledge base and professional communities.
• Compensation for English language learning, external training, and courses.
• Medical insurance and full sick leave compensation.
• Company doctor and massage in the office.
• Sports activities: running, yoga, boxing, and more.

Ми займаємося розробкою B2B-системи для управління мережевим бізнесом (роздрібні мережі, франшизи, компанії з філіями), яка об'єднує CRM, продажі та управління командою в одному продукті. Платформа дозволяє власникам бачити аналітику по всій мережі, керівникам — управляти філіями, менеджерам — працювати з клієнтами та лідами через воронки продажів, а HR і адміністраторам — керувати співробітниками та правами доступу. Система включає роботу з клієнтською базою і бонусними програмами, ієрархічну структуру філій і франчайзингові налаштування, гнучкі ролі користувачів, велику кількість табличних даних, складні форми та адаптивний інтерфейс під різні сценарії використання. Ми розширюємо команду, щоб розробка продукту рухалась швидше та ефективніше і саме тому шукаємо в команду Front-end розробника.

Умови роботи:

• Графік 5/2 з 9:00 до 18:00;
• Ставка $900-$1000

Основні вимоги:

• Vue.js 3 – Глибокі знання фреймворку, робота з Composition API, оптимізація продуктивності компонентів;
• TypeScript – впевнене використання, написання типізованого коду, використання інтерфейсів та узагальнень;
• Pinia/Vuex – досвід роботи з менеджерами стану, реалізація сховищ та їх підключення до компонентів;
• Axios – налаштування клієнтської частини взаємодії з API, обробка помилок, оптимізація запитів;
• JavaScript (ES6+) – відмінне знання сучасних стандартів мови, робота з модулями, замиканнями, Promise та async/await;
• HTML/CSS – впевнене володіння, досвід верстки адаптивних та кросбраузерних інтерфейсів;
• Робота з таблицями та інтерактивними компонентами – досвід створення складних таблиць, включаючи сортування, фільтрацію, зміну розмірів колонок;
• API – розуміння принципів побудови API, досвіду створення, документування та тестування API, у тому числі REST.
   

Бажані навички: 

• Інструменти збирання – досвід налаштування Webpack, Vite або аналогів;
• Проактивність і вирішення проблем – вміння самостійно пропонувати поліпшення та знаходити нестандартні рішення для складнощів, що виникають;
   

Основні завдання:

• Розробка інтерфейсів: Реалізація адаптивних інтерфейсів з урахуванням макетів. Оптимізація коду для підвищення продуктивності та читання;
• Робота зі станом програми: Налаштування та використання сховища даних (Pinia/Vuex). Реалізація кешування даних та робота з підписками;
• Інтеграція з API: Підключення клієнтської частини до backend через Axios. Реалізація пагінації, фільтрів, сортувань;
• Розробка інтерактивних компонентів;
• Оптимізація продуктивності: Аналіз та оптимізація додатків для підвищення продуктивності.
   

Етапи відбору:

1. Співбесіда з рекрутером.
2. Тестове завдання.
3. Стажування.
4. Офер.
5.  

Якщо ви впізнали себе в описі — надсилайте своє резюме у відгуки, ми чекаємо саме на вас!

Наш проєкт - Digital Marketing Service, масштабна високонавантажена система, що дозволяє створювати партнерські програми для компаній та їх продуктів from scratch. Ми вже обслуговуємо понад 50м відвідувачів на місяць та продовжуємо зростати.

Хочемо в команду взяти людину, яка:

- Займається розробкою понад два роки.

- Має досвід програмування на Vue3 від 1 року.

- Буде плюсом знання VueRouter/Pinia/SASS.

- Має досвід роботи з Javascript/HTML/CSS.

- Вміє робити адаптивні кросс-браузерні pixel perfect інтерфейси.

- Використовував Webpack/Gulp або подібні інструменти.

- Вміє використовувати Figma.

- Використовує Git.

Обов'язки:

- Адаптивна верстка сторінок продукту за макетами дизайнера.

- Реалізація front-end логіки з VueJS.

- Проведення рефакторингу існуючої верстки.

- Комунікація із дизайнером. Імплементація правок по верстці згідно з макетами.

- Взаємодія із командою back-end розробки.

Пропонуємо:

- Компенсацію 20 робочих днів оплачуваної відпустки.

- Оплачувані лікарняні, 12 sick days.

- L&D центр з курсами для співробітників та ТОП менеджерів.

- Програму ротації.

- Self-learning бібліотеку, доступ до платних курсів.

- Стабільні виплати.

- Віддалену роботу.

- Групові обговорення та індивідуальні сесії з психологом.