Вакансии JavaScript Developer

Команда OSSystem в пошуках прокачаного Full-Stack Engineer!

Ми очікуємо, що у тебе:

• Від 3-х років комерційного досвіду як Full-Stack розробник;
• Експертні знання JS/Python/PHP (Django/Flask, React/Node/Angular);
• Навички адміністрування серверів, зокрема - робота з Docker;
• Уміння проектувати API, працювати з OpenAPI/Swagger;
• Досвід роботи з хмарною архітектурою AWS;
• Досвід роботи з SQLAlchemy, PostgreSQL;
• Досвід роботи з CI tools (Jenkins);
• Англійська мова - intermediate і вище.

Буде плюсом:

• Оптимізація бази даних;
• Дизайн/Розробка RESTful API;
• OpenCV і обробка зображень;
• Базові знання machine learning, React (Redux).

We are looking for React developer, who will become a part of our talented team and will actively participate in project development and support.

Requirements:

• Knowledge of JavaScript;
• Experience with React in commercial from 2 year;
• Experience with Redux 2+ years;
• Understanding React Hooks;
• Experience with Websockets;
• Ability and desire to work with Pixel Perfect;
• Experience with CSS Sass preprocessor;
• Knowledge and understanding of RESTful APIs;
• Experience in writing tests;
• Experience with TypeScript knowledge 2+years;
• Experience with reack-hook-forms/formik;
• Intermediate level of English (B1-B2) and good communication skills;
• Experience with Material UI or other UI libraries.

Will be a plus:

• Knowledge GraphQL;
• Experience in writing tests;
• Experience with StoryBook or similar libraries.

We are looking for a talented Shopify Developer who will be a critical member of the e-Commerce development team. We value an excitement to solve tough problems and quickly deliver solutions in a fast-paced environment.

Responsibilities:

• Developing eCommerce sites on Shopify platform.
• Development of custom Shopify themes from scratch and refinement of existing ones.
• Migrating websites from other eCommerce platforms to Shopify.
• Extending Shopify functionalities.
• Integrating third party and platform supported apps in the sites.
• Optimizing page speed and implementing SEO/CRO best practices in Shopify sites.

Requirements:

• Excellent communication skills and ability to work in a team.
• Obviously, effortless expertise and hands-on chops with HTML5/CSS3 (and SCSS), Liquid, Javascript (ES6+).
• You are familiar with a modern-day Shopify tech stack (such as json templates, metafields etc.), and able to make changes as needed.
• Knowledge of Shopify Ajax API is a must (Admin API and Storefront API will be a plus)
• Good knowledge in working with version control systems such as GIT.

Our client is a well-known loyalty program in Canada and has been around for more than 30 years. It’s a big corporation with many mature established processes.
Our team specializes in building and maintaining the Help Center pages for web applications. We focus on creating a user-friendly interface where users can easily find answers, access support materials, and submit help requests. Our team manages the complete lifecycle of web, mobile, and back-end development, as well as QA and deployment. We focus on developing new features, improving functionality, optimizing performance, and providing ongoing support to ensure a reliable and efficient user experience.

Stack of the project

• Java 17, Spring, Hibernate, Groovy (Spock), React
• AWS (ECS, RDS AuroraDB, SQS, S3, API GW), Github, Jenkins, Microsoft Outlook, Teams, Slack (Blackbird internal), Jira, Confluence, Figma

Responsibilities

• Develop, implement, and maintain scalable web applications using Adobe Experience Manager (AEM).
• Customize and extend AEM components, templates, and dialogs to meet specific business requirements.
• Integrate AEM with third-party applications and systems
• Collaborate with cross-functional teams including designers, content authors, and backend developers
• Troubleshoot and resolve issues related to AEM applications, including performance, scalability, and integration challenges.
• Ensure adherence to best practices in AEM development, including code reviews, unit testing, and continuous integration.

Requirements

• 3+ years experience in AEM full stack development
• Strong knowledge of Adobe Experience Manager (AEM) 6.5 (experience with AEM as a Cloud Service is a plus).
• Proficiency in front-end web technologies: HTML, CSS, JavaScript (experience with React is a plus).
• Experience with back-end development using: Java, J2EE, Servlets, JSP, and web services (RESTful and SOAP) - optional
• Hands-on experience with AEM-specific technologies: Apache Sling, JCR (Java Content Repository), and HTL (Sightly).
• Proficient with Maven for building and managing AEM projects.
• Version Control Systems: GitHub).
• Dispatcher: Basic understanding of AEM Dispatcher. for caching, load balancing, and performance optimization.
• Understanding of AEM’s architecture: components, templates, and the OSGi framework.
• Upper-Intermediate English speaking level
• Fluent Ukrainian speaking level

Nice to have

• AWS, Spring Boot, Hibernate, DynamoDB, Gradle, Docker

We are looking for a Senior Full Stack PHP Developer to join the team of a German-based product company, the biggest eHealth provider in the DACH market which specializes in developing innovative digital solutions that revolutionize hospital operations and improve healthcare efficiency.
By joining this team, you will get:

1. High-quality products – build long-term, reliable, scalable products, consistently updated to the latest versions, using best practices in coding, reviews, and testing.
2. Supportive and respectful collaboration – work with management that values professionalism, open communication, and mutual respect, fostering a healthy and friendly work environment.
3. Small, senior-level teams – be part of a small and fast-growing team of professionals from Europe where your contributions directly shape the product and are visible inside and outside the company
4. Growth opportunities and product ownership – introduce your ideas and take ownership of technical decisions in a dynamic, professional setting.

Your tasks:

• Develop top-notch, and maintainable software solutions, implementing modern engineering practices to ensure product quality.
• Engage in technical discussions to identify the best solutions and proactively offering innovative decisions.
• Collaborate effectively with both team members and management.

Your qualifications:

• 5 years of experience with PHP development (8.2 is used);
• 3 years of experience with Symfony 5 or higher (6.4 is used);
• Experience with Doctrine, MariaDB;
• Experience with Twig;
• Experience with REST API;
• Experience with Linux/Debian;
• Knowledge of JavaScript, jQuery (up to 15-20% of tasks);
• Good English language skills both written and spoken.

Nice to have:

• Experience with Playwright;
• Experience with Unit tests.

Ми продуктова IT-компанія з офісом в самому серці столиці України з крутою командою спеціалістів, яка працює на ринку більше ніж 15 років. Створюємо та розвиваємо IT продукти у сфері туризму, які допомагають людям з усього світу насолоджуватись подорожами, не витрачаючи час на процес їх організації. Ми розробляємо такі вебсайти, як Booked.net, 1Map, Tophotels. Але на цьому точно не збираємось зупинятися. Сучасний світ неможливо уявити без подорожей, саме це надихнуло нас на створення легких та зручних в користуванні продуктів для кожного туриста.

Обов'язки:

• Виконання задач згідно з дизайном та технічним завданням.
• Підтримка існуючого та розробка нового функціоналу проєкта.
• Планування, оцінювання та пріоритезація задач.
• Проведення code review та рефакторинг коду.
• Взаємодія з UI/UX дизайнерами, програмістами та тестувальниками.

Вимоги:

• Від 3-х років комерційного досвіду;
• Впевнені знання JavaScript;
• Досвід роботи з Vue.js від 1 року;
• HTML та CSS (SCSS), уміння та бажання працювати з версткою;
• Досвід роботи з Webpack/Vite;
• Англійська на рівні розуміння технічної документації;
• Досвід роботи з чужим кодом та досвід роботи в команді.

Буде плюсом:

• Досвід оптимізації швидкості завантаження веб-сторінок;
• Досвід роботи з PHP шаблонізаторами;
• Розуміння основних принципів створення інтерфейсу користувача;
• Досвід роботи з Jira/ClickUp чи аналогічними системами.

Також для нас важливо:

• Вміння презентувати результати своєї роботи;
• Зацікавленість у професійному розвитку;
• Уміння застосовувати теорію на практиці;
• Добре розвинені комунікативні навички.

We are looking for a JavaScript (Canvas) Developer to lead his/her team, and develop and implement the current projects. The ideal candidate will be a hard-working professional able to undertake a variety of tasks and work diligently under pressure.

Roles & Responsibilities:

• Analyze and estimate implementation efforts.
• Development of new features.
• Maintenance of existing features.
• Interest in contemporary programming trends such as the functional and reactive programming, alternative JavaScript languages, web components, touch user experiences, and responsive design.
• Participate in knowledge transfer, lead, coach, and mentor team members.

Skills & Experience:

• Bachelor’s degree in Computer Science or similar;
• At least 4+ years of Javascript development experience;
• Mastering at least one of Three.js, D3.js Canvas API, Fabric.js, CreateJS, Charts.js libraries;
• An agile mindset with excellent communication and team working skills;
• Worked with WebSocket live data;
• Cross-platform performance testing and optimization;
• Passion for technology and real-time applications;
• Positive mindset and details oriented approach;
• An open-minded person, proactive team-player;
• Good communication and documentation skills.

Now we’re expanding and welcome talented Senior Front-End (Vue.js) Developer to join our team.

About the project:

Cyberspace for communicating with customers opens up many opportunities. Through intelligent algorithms, the project connects the dots between gallery and store, and together with an automated marketing platform, new business opportunities are created for photographers.

Qualifications:

• 4+ years of experience in JavaScript;
• 2+ of experience with Vue.js (including version 3);
• Experience with TypeScript;
• Strong proficiency in HTML, CSS;
• Experience with jQuery;
• Strong problem-solving skills and attention to detail;
• Ability to write clean, efficient, and maintainable code;
• Strong communication and collaboration skills;
• Good level of spoken and written English.

Do you love solving complex web development problems and building innovative digital products? We’re seeking a hands-on Software Developer who’s ready to dive into coding, collaborate with talented teams, and help shape the future of our platform.
In this role, you’ll work across the full development lifecycle, from writing clean, testable code to designing systems and supporting live environments. With strong JavaScript and TypeScript skills, experience in AWS, and a passion for collaboration, you’ll play a key role in driving our success.

Responsibilities:

• Perform hands-on software development, including writing code and unit tests, doing proof of concepts, conducting code reviews, and testing in ongoing sprints.
• Implement innovative solutions to challenging web development problems.
• Participate in system design and specifications, development, testing, debugging, documentation, and support.
• Providing analysis of problems and recommending solutions.
• Working collaboratively with other members of the product engineering team.

Your skills, qualities, and experience:

• Essential:
  • At least 2-3+ years’ experience working in software development.
  • Excellent JavaScript and TypeScript knowledge.
  • Experience with Node.js
  • Knowledge of AWS Services, particularly serverless technologies such as Lambda, DynamoDB and event-based services.
  • Familiarity with version control solutions (such as GitHub) including branching, merging and pull requests.
  • Experience with code reviews.
  • Highly collaborative, with excellent verbal and written communication skills.
• Desirable:
  • Previous experience working in a microservices-based architecture.
  • Experience working in an Agile team environment.
  • Experience with working with RESTful and GraphQL APIs.
  • Familiarity with automated testing frameworks and tools.
  • Understanding of security principles and best practices in software development.