Вакансії Frontend Developer

Digicode is a custom software, mobile app and next generation global technologies development company based in Dallas Texas, with development centers in the US, Costa Rica, Israel & Ukraine.

Requirements:

• Background in Computer Science or related discipline
• Experienced with React development (min 2y+) and experience with JavaScript / Frontend development (min 5y+)
• Thorough understanding of React.js and its core principles
• Experienced with popular React.js workflows – Redux/Redux Saga/Typescript is a must
• Experienced with complex React applications which require good planning of the application (redux, redux-saga, SSR, code splitting)
• Ability to Build reusable components and front-end libraries for future use
• To optimize components for maximum performance across a vast array of web-capable devices and browsers
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with HTML / CSS and RESTful APIs
• Familiarity with code versioning tools such as Git
• Used to work in a fast paced web development environment
• Ability to understand business requirements and translate them into technical requirements
• Ability to provide accurate development estimates
• Has knowledge of typical big application issues on Frontend side (speed optimisations, SEO optimisations, slow connection optimisations, scaling challenges, cache invalidation challenges, security issues) – ideally has experience with SASS/advanced CSS rules
• Has skills & experience to plan & lead changes on Frontend side (there will be need to migrate & design Frontend integrations from scratch for existing and new products)
• Has soft skills & knowledge to easily cooperate with managers, backend developers and team leaders and discuss with them business requirements + would be able to suggest flow for integrations between backend and frontend side (with focus on frontend needs)
• Good communication skills
• Excellent team player

Functions:

• Working within a cross-functional development team, applying Agile methodology, and collaborating with other departments (Infrastructure, Database Administration, Quality Assurance) in order to deliver at high standards.
• Creating creative solutions for complex problems, always keeping security, performance and scalability in mind.
• You will be working within a team of 7 people for our client, including project management, product owner and development team

Зараз в AMO Apps шукаємо Strong Junior Frontend Engineer для розробки нового та підтримки існуючого функціоналу додатків для продуктів компанії. Ти зможеш впливати на рішення, які використовуються при розробці та на те, як працюють додатки. Будеш працювати з командою досвідчених інженерів над високонавантаженими та комплексними проектами у сфері фітнесу, здоров’я та харчування.

Ця вакансія саме для тебе, якщо ти хочеш:

• Працювати в команді з Senior, Middle-інженерами
• Брати участь в обговореннях, впливати на оптимізацію й реалізацію функціоналу продуктів.
• Чого ти досягнеш на цій позиції:
• Будеш мати можливість впливати на існуючу архітектуру задля відповідності поточним бізнес задачам
• Попрацюєш з сучасним стеком технологій Frontend розробки (HTML, CSS, JavaScript, TypeScript, ReactJS, NextJS)
• Отримаєш можливості для кар’єрного розвитку: квартальні персональні цілі, фідбек від досвідчених розробників, вплив на бізнес-потреби

Для цього тобі знадобиться:

• Досвід комерційної розробки від одного року
• Знання HTML, CSS, JavaScript, TypeScript, ReactJS
• Знання та досвід роботи з NextJS
• Досвід роботи з системами моніторингу та тестуванням Frontend (unit, component, e2e testing), розуміння CI/CD процесів буде плюсом.

We are seeking a Senior Frontend Engineer to join our team and help drive the development of personalized web and visual design experiences. In this role, you will be responsible for executing the technical direction of our platform, working closely with other engineers, and contributing to cross-functional initiatives that maximize the impact for our core product. You’ll also leverage AI tools to enhance efficiency, ensuring we remain at the forefront of technology and innovation in the influencer marketing space.

In this role, you’ll get to:

• Develop and maintain performant, accessible, and user-friendly interfaces.
• Work with technologies such as React.js, JavaScript/TypeScript, HTML, and CSS.
• Work with React component libraries such as Material UI, Joy UI, Chakra UI, and Tailwind UI.
• Produce maintainable, tested, performant, and scalable code.
• Collaborate with product managers and designers to develop solutions that address user needs.
• Be involved in various engineering tasks, including creating technical documentation and developing proof-of-concepts.
• Support and mentor junior engineers, contributing to a positive team culture.

Who you are and what you’ll need for this position:

• 5+ years of experience as a Frontend/UI engineer with a strong track record of delivering high-quality code.
• Proficient in advanced React (custom hooks, Context API, state management, component lifecycles, and client-side routing) and CSS patterns (CSS preprocessors like SASS or LESS, CSS Grid, and Flexbox layouts).
• Possess a deep understanding of JavaScript and/or TypeScript.
• Have experience with testing frameworks (e.g., Jest, Mocha, Playwright, Cypress).
• Prioritize web accessibility in your work.
• Are comfortable with ambiguity and can effectively scope and solve complex problems.
• Have experience working in a fast-paced, highly collaborative environment.
• Value testing and documentation as much as code quality.
• Are comfortable working in an agile, safe-to-fail environment.
• Have experience using AI tools to improve development efficiency.
• Fluent in English with strong, proactive communication skills to collaborate effectively and communicate asynchronously with teams across different time zones.
• Proficient in leveraging AI tools like GitHub Copilot or Claude AI to enhance coding efficiency.

We are looking for a Senior React Developer for our US-based client’s creative data company. Its scoring software and analytics have become an essential ingredient in the creative and media decisions of the world’s largest marketers and agencies, as they strive to drive business results through improved creative effectiveness. They collaborate with Johnson&Johnson, Meta, Burger King.
Project – is the world’s leading platform for Intelligent Creative. They provide an end-to-end technology solution for all of the brand’s creative needs. It is an integrated platform combining AI-powered creative analytics with a production workflow system connected to a global network of expert creators. This platform dramatically improves ad campaign ROI through actionable creative insights, faster creative turnaround, better performing ads and streamlined workflow.

Requirements:

• 10+ years in Frontend development using React, ReactJS, Typescript
• Experience with NestJs
• Strong in Sagas, Hooks, Jest
• Understanding the fundamentals of modern web development, including accessibility, usability, responsive design, testing and debugging, CORS and CSP, and bandwidth and browser constraints
• Upper-intermediate English and better

Responsibilities:

• Implement the features and user interfaces of products, as part of a feature-oriented full stack development team
• Implement automated tests and monitoring to ensure your code continues to run smoothly
• Develop Javascript code that interfaces with APIs and handles the API responses gracefully, creating an efficient and fluid customer experience
• Other front-end development-related tasks as needed

Investing portal/online wallet with deposits, banking cards, crypto and payments. Project from the scratch. Project Stack: AWS, CI/CD, Auth0, ReactJS, TypeScript, NestJS, REST API.

Responsibilities:

• Developing UI and Features.
• Bug fixes from the previous project iteration.
• Connect and communicate with other team members.

Qualifications:

• ReactJS, TypeScript;
• PrimeReact;
• HTTP(S);
• Good Communication and Soft Skills.

About Project:

The client’s platform is a cutting-edge solution for digital health and clinical trials. It specializes in decentralized trials, focusing on patient-centricity and diversity. The platform offers real-time data capture, telemedicine integration, and seamless connectivity with medical IoT devices. It ensures robust interoperability, global scalability, and regulatory compliance. By enhancing efficiency and inclusivity, client’s platform is transforming clinical research, making trials more accessible and adaptive to global health challenges.

Position - how you'll contribute:

• As a Senior, you’ll be cooperatint with technical leader, mentoring less experienced engineers, and collaborating closely with designers, product managers, and other engineers to create exceptional user experiences
• Work in clinical research industry on the internal product used to accelerate clinical trials conducted by our client across the world.
• Provide technical expertise to a team of several engineers to develop new and maintain existing features.
• Focus on application architecture to ensure we produce high quality software:
  • create and develop web applications and ship user-facing features with JavaScript and modern, component-based JS frameworks from the React ecosystem;
  • cooperate with Quality Engineers to ensure reasonable level of automated end-2-end tests coverage;
  • cooperate with backend engineers and software architects to ensure the alignment of proposed solutions on a system-level;
  • push towards software quality by covering written code with unit and integration tests where applicable;
  • promote culture of using reusable code, quality standards, and libraries for future use, promoting efficiency and consistency;
  • take care of application security, from design to implementation.
• Collaborate closely with product and design teams to translate product vision into reality. This includes planning, implementing, and launching core features that elevate our user experience.

Expectations - the experience you need:

• min. 5 years of overall experience in software engineering.
• min. 5 years of experience in React.
• Bachelor’s degree in computer science, or a related field.
• Fluency and extensive expertise in React, JavaScript, TypeScript and variety of well-known libraries.
• Hands-on experience in building and maintaining React applications at enterprise scale.
• Excellent interpersonal communication skills and ability to partner effectively with teams in a fully remote environment and discuss complex topics with technical and non-technical audiences.
• You are self-directed, innovative, and biased towards action in fast-paced environments. You love to build new things and thrive in ambiguity and even failure.
• Solid knowledge of testing principles to grow tight development feedback loop.
• Speak English proficiently.
• Ability to work in client’s office in Warsaw at least 2/3 days per week.

We are looking to strengthen our team with a proactive Front End/Webflow Developer!

Key responsibilities:

• Website layout for WordPress;
• Responsive layout;
• Pixel-perfect layout.

Requirements:

• Tech stack: HTML/CSS/JS/jQuery;
• Ability to work with animations, preferably using GSAP library;
• Experience with Webflow;
• Willingness to learn and improve.

We are seeking an experienced Client-side Web Developer with a strong focus on React development and a solid understanding of integrating with back-end services and APIs. The ideal candidate will have a proven track record of delivering high-quality, responsive web applications and be skilled in transforming legacy systems to modern web architectures. This role requires excellent problem-solving abilities, attention to detail, and the ability to collaborate effectively within a small, dynamic team.

Responsibilities:

• Develop and maintain modern, responsive web applications using React
• Integrate front-end components with services and APIs
• Migrate legacy, non-web applications to a modern web architecture
• Collaborate with cross-functional teams to define, design, and ship new features
• Ensure the technical feasibility of UI/UX designs
• Optimize applications for maximum speed and scalability
• Work with version control systems (e.g. Git) and bug tracking tools to manage codebase and track issues
• Deliver high-quality code from written specifications within agreed timelines

Requirements:

• 5-7 years of experience in commercial, modern web development
• 3-5 years of experience in React development with a client-side focus
• Strong knowledge of Material-UI (MUI) and other relevant web packages (state management, context, routing, forms, etc.)
• Experience with a variety of web browsers, mobile devices, and different form factors
• Proven commercial experience in transforming legacy applications to modern web-based solutions
• Working knowledge of REST API integration
• Excellent problem-solving skills and attention to detail
• Strong communication and collaboration skills
• Demonstrated ability to contribute to small team success and work effectively in a remote, collaborative environment
• English level – Upper-Intermediate or higher

Will be a plus:

• Experience across various industries, working within different problem domains
• Familiarity with the existing Windows-based or Web-based charting packages
• Commercial experience with D3.js for data-driven document manipulation

Svitla Systems Inc. is looking for a Senior Front End Engineer for a full-time position (40 hours per week) in Ukraine.
Our client is a software company headquartered in Tampa, Florida, with offices in California, Illinois, and Switzerland. They develop and maintain the leading catalog data syndication platform for in-store kiosks and tablets, enabling retailers to display an extended aisle of products, no matter the size of their showroom. Powerful integrations allow retailers to directly connect their POS software, eCommerce websites, and their sales & marketing automation platforms.
The client supports thousands of retailers and brands around the globe seven days a week. The client improves the commerce experience by connecting brands, retailers, and consumers through beautiful, intelligent software.

Requirements:

• 7+ years of experience in a related technology role.
• Experience with JavaScript frameworks like Angular JS and Angular 6/8.
• Strong expertise in programming in JavaScript and TypeScript.
• Understanding cloud design in global infrastructure, distributed systems, security, and load balancing.
• Experience in working with RESTful web services.
• Extensive knowledge of developing applications in a single page (SPAs).
• Knowledge of Mongo DB.
• Expertise in document object model and DOM Functions.
• Experience writing unit tests and testing tools like Jasmine or Protractor.
• Competence in version control and deployment systems like Git, Bitbucket, and Bitbucket pipeline.
• Experience with Agile/Scrum methodology.
• Strong written and verbal communication skills with an emphasis on delivering high-quality documents.
• BS Degree preferably in Computer Science or Information Systems.

Nice to have:

• Experience with Node.js.
• Experience with AWS Lambda.
• Cloud development certification.

Responsibilities:

• Participate in development planning and prioritization of work for the Scrum team.
• Collaborate in the development and testing of features of our roadmap to enhance the cloud platform.
• Contribute to software design approaches and common UX patterns within the team.
• Collaborate with back-end developers and UI/UX experts to ensure that the definition of done is fully satisfied.
• Drive performance tuning and contribute to unit and integration testing.
• Maintain brand consistency throughout the design.
• Embrace and institute best practices and coding standards within the team.
• Compose detailed design specifications.
• Contribute to 3D concepts, implementation, technologies, and fast prototyping.
• Assist with requests and respond to feedback.
• Actively participate in retrospectives to improve Agile/Scrum practices.
• Contribute to the WCAG 2.0 AA level.
• Remain aware of evolving needs and opportunities, showing flexibility in doing whatever is appropriate to support the company’s success.
• Pursue educational opportunities to maintain advanced and up-to-date knowledge in the field.
• Performs all related duties as required and assigned, understanding that the items in this description are not all-inclusive.