Senior Shopify Developer

🏢 Summary: Middle/Senior Shopify Developer role for a 3–4 month international project focused on implementing and maintaining modern e-commerce solutions. The position involves working with experienced developers on Shopify-based platforms using frontend and DevOps technologies. Flexible remote work and career development opportunities are offered. 🗂️ Requirements: Bachelor's degree in Computer Science, Engineering, or related field or equivalent experience, 2+ years of commercial Shopify development experience, English level B1+, Proficiency in Liquid, Proficiency in HTML, Proficiency in PHP or other object-oriented languages, Proficiency in CSS/CSS3, Proficiency in SCSS, Proficiency in LESS, Proficiency in JavaScript ES5/ES6, Experience with DevOps practices, Experience with version control, Understanding of UX/UI design, Strong communication and interpersonal skills 📃 Skills: Shopify, Liquid, HTML, PHP, CSS, CSS3, SCSS, LESS, JavaScript, ES5, ES6, DevOps, Git, UX, UI, NPM, Yarn, Webpack, CLI, ThemeKit, Slate, React, Vue, Angular 🏢 Description: We are looking for a Middle/Senior Shopify Developer to join a 3-4 month project within our international team. You will be responsible for implementing and maintaining cutting-edge e-commerce solutions alongside our experienced developers. Requirements: Bachelor's degree in Computer Science, Engineering, or related field (or equivalent work experience) 2+ years of commercial Shopify development experience Strong communication and interpersonal skills, English knowledge B1+ Proficiency in: Liquid, HTML, PHP or other OO languages CSS/CSS3, SCSS, LESS JavaScript (ES5/ES6) Experience with DevOps practices and version control Good understanding of UX/UI design Nice to have: Experience with NPM/Yarn and Webpack Familiarity with Shopify CLI, ThemeKit, and Slate Experience with frontend frameworks such as React, Vue.js or Angular Strong cross-browser/device/platform debugging skills Understanding of web performance optimization We offer: Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and Toyota Competitive compensation that depends on your qualification and skills Career development system with clear skill qualifications Flexible working hours aligned to your schedule Options to work remotely

🏢 Summary: Full-time Senior Node.js Developer role focused on building and maintaining scalable backend and serverless services for interactive, data-heavy applications. The position involves designing microservices, working extensively with AWS, and owning features end-to-end including production support. 🗂️ Requirements: 4-5 years of backend development experience with Node.js, Strong experience with NestJS for complex services, Hands-on experience with AWS Lambda, Glue, DynamoDB, Understanding of AWS architecture and services, Experience with serverless and microservices architecture, Experience with data-heavy backend systems, aggregation and querying, Experience with CI/CD pipelines, Experience in production troubleshooting 📃 Skills: Node.js, NestJS, AWS, Lambda, Glue, DynamoDB, Serverless, Microservices, CI/CD, JavaScript, NoSQL, Architecture 🏢 Description: Svitla Systems Inc. is looking for a Senior Node.js Developer with AWS for a full-time position (40 hours per week) in Europe. Our client is a company that creates interactive games, quizzes, and adventures specifically designed for children. Requirements 4-5 years of experience as a Back End Developer with Node.js and NestJS (for complex services). Knowledge of AWS: Lambda, Glue, DynamoDB, General AWS architecture & services. Understanding of serverless/microservices architecture. Understanding of data-heavy backend systems (aggregation, querying, performance). Experience in CI/CD & production troubleshooting. Excellent written and spoken English. Excellent communication skills and initiative to report product/feature/software issues immediately. Ability to self-structure your work in an ambiguous environment. Sharp attention to detail and solid communication skills. Curiosity, creativity, and willingness to dig into unfamiliar parts of the service, system, and applications. Nice to have Experience with EKS. Knowledge of hardware-integrated systems. Familiarity with event-driven architectures. Experience supporting mobile app backends. Strong ownership mindset in small-to-mid-size teams. Responsibilities Develop and maintain backend services in Node.js. Build and support serverless components (AWS Lambda, AWS Glue). Implement data aggregation, querying, and transformation logic. Work with DynamoDB as the primary datastore. Design and maintain microservices / serverless services. Own features end‑to‑end, including production support. Investigate and fix production issues. Collaborate with mobile, QA, and hardware-related teams. Participate in backend architecture and technical decisions. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Full-time Senior Ruby Developer role focused on building, maintaining, and optimizing web applications using Ruby on Rails. The position involves implementing new features, maintaining existing systems, writing and testing code, and contributing to CI/CD and infrastructure improvements. The role requires strong backend expertise and collaboration within an agile development process. 🗂️ Requirements: 5+ years of Ruby on Rails experience, Strong knowledge of Ruby on Rails framework, Understanding of RESTful APIs, Knowledge of HTML and CSS, Experience with JSON, Experience with SQL and relational databases, Experience with PostgreSQL, Experience writing tests with RSpec, Experience with TDD, Experience with Git and GitHub, Experience with CI/CD processes, Experience with server infrastructure management 📃 Skills: Ruby, Rails, REST, HTML, CSS, JSON, SQL, PostgreSQL, RSpec, TDD, Git, GitHub, CI/CD 🏢 Description: Svitla Systems Inc. is looking for a Senior Ruby Developer for a full-time position (40 hours per week) in Europe. Requirements 5+ years of hands‐on experience with Ruby on Rails. Strong, in‐depth knowledge of Ruby on Rails framework. Solid understanding of RESTful APIs. Strong knowledge of HTML/HTML5, CSS/CSS3, JSON. Experience working with relational databases and SQL, preferably PostgreSQL. Strong experience writing tests using RSpec. Practical experience with test‐driven development (TDD). Experience with Git and GitHub. Result‐oriented mindset with strong problem‐solving skills. React.js and TypeScript experience is a plus, but not required. Responsibilities Implementation of new features in existing & future web applications. Maintenance & debugging of currently running web applications. Participation in planning meetings/calls, review/demo meetings/calls, and backlog refinement meetings/calls. Testing of changes made in scope of user stories you work on, to make sure that implementation was done correctly. Adjustments to existing CI/CD processes. Occasional changes to server infrastructure, server infrastructure optimisation. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Full-time B2B role for a Shopify Developer working on advanced international eCommerce projects, delivering end-to-end frontend solutions based on Shopify and modern technologies. The position focuses on building and developing custom themes and functionalities in a component-based architecture. Fully remote work with responsibility for technical decisions and high-quality code delivery. 🗂️ Requirements: 3–5 years of experience in eCommerce projects with Shopify, Strong knowledge of Liquid, Strong knowledge of JavaScript, Strong knowledge of React, Strong knowledge of Tailwind CSS, Strong knowledge of GraphQL, Strong knowledge of REST, Experience in developing Shopify themes, APIs, applications and extensions, Understanding of component-based frontend architecture, Basic knowledge of microservices, Experience working in Agile methodologies, Experience with Jira or Confluence, English level B2 or higher 📃 Skills: Shopify, Liquid, JavaScript, React, Tailwind, GraphQL, REST, Git, Jira, Confluence, Agile, Microservices 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko: Shopify Developer Zakres obowiązków: Długofalowa współpraca z międzynarodowym klientem realizującym projekty eCommerce, w środowisku opartym o nowoczesne technologie frontendowe oraz platformę Shopify . Realizacja end-to-end rozwiązań frontendowych w oparciu o Shopify, w tym tworzenie i rozwój customowych motywów oraz funkcjonalności. Tworzenie wysokiej jakości kodu przy użyciu technologii takich jak Liquid, JavaScript, React, Tailwind oraz GraphQL. Praca zarówno indywidualna, jak i zespołowa, z zachowaniem wysokich standardów jakości oraz terminowości. Ścisła współpraca z interesariuszami projektu – klientami, zespołami developerskimi oraz product ownerami. Analiza wymagań oraz dbałość o szczegóły implementacyjne, w tym edge case’y oraz kryteria akceptacyjne. Podejmowanie decyzji technicznych z uwzględnieniem kompromisów między jakością kodu a terminami delivery. Wsparcie procesu wdrożeń oraz koordynacja release’ów w celu zapewnienia stabilnych deployów. Realizacja średnio- i wysokozaawansowanych funkcjonalności frontendowych w architekturze komponentowej. Oczekujemy: Minimum 3–5 lat doświadczenia w projektach eCommerce, w szczególności z wykorzystaniem platformy Shopify. Bardzo dobrej znajomości Liquid, JavaScript, React, Tailwind CSS, GraphQL, REST oraz Git. Praktycznego doświadczenia w tworzeniu i rozwijaniu rozwiązań Shopify (motywy, API, aplikacje, rozszerzenia). Zrozumienia architektury frontendowej (component-based) oraz podstaw mikroserwisów. Doświadczenia w pracy w metodykach Agile oraz znajomości narzędzi takich jak Jira, Confluence lub podobnych. Umiejętności analitycznego myślenia oraz rozwiązywania problemów. Dbałości o szczegóły oraz jakościowego podejścia do tworzonego kodu. Zrozumienia zachowań użytkowników oraz podstaw marketingu w eCommerce. Samodzielności w działaniu oraz umiejętności podejmowania decyzji technicznych. Znajomości języka angielskiego na poziomie min. B2. Oferujemy: Wynagrodzenie w przedziale 90–110 PLN/h netto + VAT w modelu B2B (full-time) Pracę w pełni zdalną. Udział w rozwoju nowoczesnych projektów eCommerce opartych o Shopify. Możliwość pracy przy złożonych i niestandardowych wdrożeniach. Sprawny proces rekrutacyjny: rozmowa z rekruterem (30 min), rozmowa z team leaderem (30 min), zadanie techniczne, oferta.

🏢 Summary: The offer is for an experienced Shopify Developer to lead end-to-end technical architecture and development of Shopify (mainly Shopify Plus) stores, including headless implementations and complex integrations. The role focuses on storefront development, custom app creation, system integrations, and architectural decision-making within modern commerce environments. It combines hands-on development with strategic technical leadership in a hybrid work model. 🗂️ Requirements: 5+ years experience in e-commerce solution architecture or senior technical role, Minimum 3 years of dedicated Shopify experience, Proven expertise with Shopify platform, especially Shopify Plus, Experience with headless Shopify architectures including Hydrogen and Oxygen, Experience developing custom Shopify apps, Experience with Shopify Functions and Checkout UI extensions, Strong experience with Shopify REST and GraphQL APIs, Strong knowledge of HTML, CSS, JavaScript or TypeScript, Experience with React or Next.js, Experience integrating ERP, OMS or PIM systems 📃 Skills: Shopify, ShopifyPlus, Liquid, HTML5, CSS3, SCSS, JavaScript, TypeScript, React, Next.js, Hydrogen, Oxygen, REST, GraphQL, ERP, OMS, PIM, Node.js, Ruby, ShopifyFunctions, Webhooks 🏢 Description: Shopify Developer IT · Warsaw (City Center) · Hybrid About the Client Our Client is a fast-growing, international technology company that provides innovative digital solutions for the global market. They are currently expanding and developing their R&D center in Warsaw. They are a leader in AI-powered enterprise operations, delivering digital solutions and consulting services that drive value and transform businesses. They specialize in using advanced technology to streamline operations, improve efficiency, and unlock new revenue opportunities, particularly within the private capital markets. With over a decade of experience supporting high-growth companies, they bring deep domain expertise and a proven ability to turn technology into a strategic advantage. Role Overview We are seeking an experienced Shopify Developer to design and document the complete end-to-end technical architecture for new and existing Shopify (primarily Shopify Plus) stores. In this role, you will be responsible for storefront design (headless or theme-based), backend services, integration strategies, and security. You will act as a key technical expert evaluating modern commerce patterns and guiding architectural decisions. Key Responsibilities Architecture & Strategy: Design and document end-to-end technical architectures, evaluate modern commerce patterns (headless, composable commerce), and lead decisions on build vs. buy vs. extend within the Shopify ecosystem. Storefront Development: Build and maintain complex custom themes and storefronts using Liquid, HTML5, CSS3/SCSS, and JavaScript/TypeScript or other JS frameworks like React. App & Feature Integration: Integrate, build, and maintain custom Shopify applications (private or public). Implement advanced functionality using Shopify Functions, webhooks, and Checkout Extensibility. Optimization: Customize checkout, cart, and product flows for enhanced analytics and conversion optimization. System Integrations: Lead and manage integrations with external ERP systems, PIM systems, and payment gateways. Collaboration: Partner closely with product managers, stakeholders, and designers to implement changes and enhancements. Requirements & Qualifications Experience: 5+ years of experience in e-commerce solution architecture, technical consulting, or an equivalent senior technical role, including at least 3 years of dedicated Shopify experience. Shopify Expertise: Proven expertise with the Shopify platform (especially Shopify Plus), its admin features, Liquid templating, and the app ecosystem. Headless Commerce: Proven expertise with headless Shopify architectures, including Hydrogen/Oxygen implementations. Customization: Experience developing custom Shopify apps, utilizing Shopify Functions, and implementing Checkout UI extensions for advanced customizations. Technical Skills: Strong hands-on experience with Shopify's APIs (REST and GraphQL) and a solid understanding of modern web technologies including HTML, CSS, JavaScript/TypeScript, and React/Next.js. Integrations: Experience in architecting and implementing integrations with major enterprise back-office systems (ERP, OMS, PIM). Soft Skills: Excellent communication skills, critical thinking, creativity, and a systematic, logical approach to problem-solving and teamwork. Nice-to-Haves: Shopify Certification or other relevant e-commerce platform certifications, prior experience in re-platforming from legacy systems, and familiarity with back-end languages (e.g., Node.js, Ruby). What Is Offered Compensation: Monthly compensation up to $6,500 USD . Contract Type: B2B contract via Optiveum. Work Model: Hybrid (3 days working from the office located in the center of Warsaw, 2 days working from home). Stability: Long-term cooperation with a stable, international organization. Culture: We value creative problem solvers who learn fast, work well in an open and diverse environment, and enjoy pushing the bar for success ever higher. We work hard, but we also choose to have fun while doing it.

🏢 Summary: Full-time Senior Software Engineer role focused on backend development and system integrations for a large-scale job platform. The position involves API integrations, client and partner migrations, and backend services supporting UI applications, with overlap until 19:00–20:00 CET. The role emphasizes independent work on platform transitions and distributed systems. 🗂️ Requirements: Strong Java backend development experience, Experience building and integrating APIs, Experience with Kafka or other messaging/event streaming systems, Experience with MySQL or other relational databases, Experience with NoSQL databases (e.g., DynamoDB), Experience with system integrations or platform migrations, Ability to develop backend services supporting UI applications, Ability to work independently and proactively 📃 Skills: Java, Kafka, MySQL, DynamoDB, SQL, NoSQL, APIs, AWS 🏢 Description: Svitla Systems Inc. is looking for a Senior Software Engineer for a full-time position (40 hours per week) in Europe. Our client is one of the world’s largest and fastest-growing job sites. Overlap till 19:00 - 20:00 CET. Requirements Strong Java backend development experience. Experience building and integrating APIs. Experience with Kafka or other messaging/event streaming systems. Experience with MySQL or other relational databases. Experience working with NoSQL databases (e.g., DynamoDB). Experience working on system integrations or platform migrations. Ability to work on backend services that support UI applications. Work independently, take proactive steps, not just execute on steps. Nice to have Experience with AWS (especially DynamoDB or cloud-native services). Some AI tools experience - Optional, not required. Responsibilities Client and partner migrations, codebase transitions, and integrating systems through API calls. Perform client-side migrations, including: Updating API calls (old → new system), working across multiple client codebases, supporting pipeline / ramp issues. We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Senior Software Engineer role focused on designing, developing, and integrating advanced Shopify (primarily Shopify Plus) solutions within enterprise environments. The position involves building custom applications, headless architectures, and complex integrations with core business systems. Hybrid full-time role in Warsaw with B2B or CoE contract options. 🗂️ Requirements: 5+ years of experience in e-commerce architecture or technical consulting, Minimum 3 years of hands-on experience with Shopify ecosystem, Strong experience with Shopify Plus, including admin and app ecosystem, Experience building custom Shopify applications, Experience with Shopify Functions and Checkout UI extensions, Experience with headless Shopify architectures, Hands-on experience with Microsoft Entity Framework, Experience working with Shopify REST and GraphQL APIs, Strong knowledge of HTML, CSS, JavaScript, TypeScript, Experience integrating Shopify with ERP, OMS, PIM or similar enterprise systems 📃 Skills: Shopify, ShopifyPlus, Liquid, Hydrogen, Oxygen, EntityFramework, REST, GraphQL, HTML, CSS, JavaScript, TypeScript, SCSS, ShopifyFunctions, CheckoutUI, Node.js, Ruby 🏢 Description: 💰 Salary: 21,500-28,700 PLN/Month 💻 Warsaw, Poland (Hybrid - 3 days in office, 2 days remote) 🕦 Full-time ☑️ B2B or CoE We’re looking for a Senior Software Engineer to join a fast-growing international tech company focused on building modern, data-driven platforms that power digital transformation in the financial and enterprise sectors. Requirements: 5+ years of experience in e-commerce architecture, technical consulting, or a comparable senior level role, with a minimum of 3 years focused on the Shopify ecosystem. Strong hands-on experience with the Shopify platform, particularly Shopify Plus, including admin capabilities, Liquid templating, and the broader app ecosystem. Proven experience building custom Shopify applications, including advanced customizations using Shopify Functions and Checkout UI extensions. Solid understanding of headless Shopify architectures, with experience in Hydrogen and Oxygen implementations. Hands-on experience working with Microsoft Entity Framework. experience working with Shopify APIs, including REST and GraphQL, along with strong knowledge of modern web technologies such as HTML, CSS, JavaScript and TypeScript. Demonstrated ability to design and deliver integrations with enterprise systems such as ERP, OMS, and PIM. Nice to have: Previous experience leading or contributing to re platforming projects from legacy systems. Familiarity with backend technologies such as Node.js and Ruby. Shopify certifications or other relevant e-commerce platform certifications. Key Responsibilities: Design and document end to end technical architectures for both new and existing Shopify (primarily Shopify Plus) stores, covering storefront implementation (headless or theme based), backend services, integration strategy, and security. Develop, customize, and maintain high quality Shopify themes using HTML5, Liquid, CSS3/SCSS, along with JavaScript and TypeScript. Implement and design complex integrations between Shopify and core enterprise platforms such as CRM, CDP, WMS, PIM, OMS, and ERP, utilizing GraphQL and REST APIs. Develop and manage custom Shopify applications, delivering advanced capabilities through Shopify Functions and Checkout Extensibility to support specific client requirements. Collaborate closely with the Sales team to support technical evaluations, define solution scope, estimate effort, and deliver clear, compelling technical presentations to clients. Provide technical guidance to stakeholders and engineering teams, advising on Shopify solutions, architecture decisions, and industry best practices.

🏢 Summary: Full-time Senior Full Stack Software Engineer role focused on building and scaling backend systems for a large job marketplace platform. The position centers on developing and maintaining services that ingest and process job data from external sources while supporting automation and AI-driven initiatives. The role combines backend-heavy development with light frontend maintenance in a distributed EMEA-based setup. 🗂️ Requirements: Strong experience in Java backend development, Proficiency with Spring Boot for scalable services and microservices, Experience designing and developing REST APIs, Familiarity with gRPC communication, Experience with messaging systems such as Kafka or RabbitMQ, Advanced knowledge of MySQL, Experience with MongoDB, Experience building scalable backend systems, Ability to contribute to system design, Basic knowledge of React, Basic knowledge of JavaScript or TypeScript 📃 Skills: Java, Spring, SpringBoot, REST, gRPC, Kafka, RabbitMQ, MySQL, MongoDB, React, JavaScript, TypeScript, GraphQL, AI, Automation, Caching 🏢 Description: Svitla Systems Inc. is looking for a Senior Full Stack Software Engineer for a full-time position (40 hours per week) in Europe. Our client is one of the world’s largest and fastest-growing job sites. Project Overview: Marketplace Engineering, specifically within the Employer Jobs Platform (EJYPT), leads the Aggregation Teams responsible for collecting and ingesting indexed job data from various external sources, including XML feeds, scraped job sites, and the job sync API used by third-party partners. The core mission of this group is to increase both the number and coverage of jobs available on the site by continuously improving how jobs are discovered, ingested, and maintained across these external sources. Timezone Coverage: EMEA hours, as long as you can attend meetings up to 11 am CDT. Requirements: Strong experience in Java backend development. Knowledge of Spring Boot for building scalable backend services and microservices. Understanding of REST API design and development; familiarity with gRPC communication. Understanding of messaging systems such as Apache Kafka or RabbitMQ . Advanced knowledge of databases with MySQL (primary) and MongoDB . Experience building backend systems at scale and contributing to system design. 1+ years of experience working with React and JavaScript/TypeScript for maintaining existing frontend components. Nice to have: Exposure to GraphQL (light usage). Experience with AI or automation workflows . Familiarity with caching technologies such as Valky or similar caching solutions. Responsibilities: Maintain existing backend systems. Build new features. Support automation initiatives (AI-driven extraction/config). Potentially develop tooling for AI prompts/models. We offer: US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, and other activities. Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Full-time Senior QA Engineer role focused primarily on manual testing of a React Native mobile application integrated with hardware devices. The position involves validating mobile features, hardware data processing, and CI/CD pipelines while collaborating with development and hardware teams. Limited automation tasks may be required, mainly maintaining existing E2E tests. 🗂️ Requirements: 4+ years of manual testing experience, Strong experience in manual mobile application testing, Understanding of API-based systems and data flows, Basic knowledge of Bluetooth and MQTT from testing perspective, Experience testing on real devices, Ability to read and analyze CI/CD build logs, Experience with regression testing, Ability to maintain E2E tests, Professional English proficiency 📃 Skills: ManualTesting, MobileTesting, ReactNative, iOS, Android, API, Bluetooth, MQTT, CI/CD, Bitrise, Detox, TypeScript, JavaScript, macOS 🏢 Description: Svitla Systems Inc. is looking for a Senior QA Engineer for a full-time position (40 hours per week) in Europe. Our client is a company that creates interactive games, quizzes, and adventures specifically designed for children. We're looking for a tester who's comfortable focusing on mostly manual testing for now, with limited automated testing possible (there is no environment to support it yet). Requirements: 4+ years of experience in manual testing (AQA experience is a plus). Experience in small to medium companies preferred, not in startups. Strong understanding of manual mobile application testing. Understanding of API-based systems and data flows (polling, backend interactions). Basic understanding of Bluetooth and MQTT from a testing perspective. Experience working with real devices. Expertise in reading and understanding CI/CD build logs. Excellent written and spoken English. Excellent communication skills and initiative to report product/feature/software issues immediately. Ability to self-structure your work in an ambiguous environment. Sharp attention to detail and solid communication skills. Curiosity and comfort digging into unfamiliar parts of the product. Nice to have: Basic knowledge of TypeScript/JavaScript. Basic understanding of APIs or testing automation concepts. Experience triggering builds and running tests locally on macOS. Previous experience testing products with hardware integration. Responsibilities: Perform manual testing of a React Native mobile application (iOS / Android). Validate user-facing insights generated from hardware data and displayed in the app after processing. Use a real hardware device (Bluetooth box) to generate test data for QA purposes. Execute regression testing and verify new features before release. Analyze CI/CD pipeline failures in Bitrise and review build/test logs. Collaborate closely with developers and a separate hardware-focused team. Maintain and adjust existing E2E tests (Detox) when minor issues are identified. Work independently, organize your own testing focus, and adapt as requirements evolve. Verify fixes and keep track of riskier areas. Mostly manually test the company’s music box features and functions. Spot, reproduce, and clearly describe bugs. Occasionally prepare automated testing scenarios (rarely). We offer US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in workspace, either remote or our welcoming office. Bonuses for article writing, public talks, other activities Generous time off, including vacation, national holidays, sick leaves, and family days. Personalized learning programs tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Regular corporate online activities. Awesome team and a friendly, supportive community!

🏢 Summary: Full-time Senior Java Developer role for a long-term media industry project, focused on backend development, microservices architecture, cloud technologies, and DevOps practices. The position offers flexible remote or hybrid work in Poland and involves development, code reviews, technical consulting, and documentation within a Scrum team. 🗂️ Requirements: 4+ years of Java 8–25 development experience, Knowledge of design patterns, multithreading, and immutability, Experience with Spring Boot, Spring MVC, WebFlux, MyBatis, and TestContainers, Experience with SQL and NoSQL databases, Knowledge of microservices, REST, Kubernetes, Docker, SOA, and SSO, Experience with JUnit, Mockito, Spock, JMeter, and K6, Experience with Git, Jenkins, GitLab CI, and GitLab Pipelines, Understanding of OWASP and web application security principles, Experience working in Scrum teams, Knowledge of Unix/Linux systems, Experience with Python and Bash scripting, Understanding of AWS services including IAM, EC2, S3, Lambda, API Gateway, CloudWatch, and MSK, Experience creating technical and user documentation, Knowledge of DevOps practices and automation tools, Advanced English communication skills 📃 Skills: Java, Spring, SpringBoot, SpringMVC, WebFlux, MyBatis, TestContainers, Oracle, PostgreSQL, MongoDB, Redis, Kafka, ORM, Microservices, REST, Kubernetes, Docker, SOA, SSO, Okta, CAS, IAM, JUnit, Mockito, Spock, JMeter, K6, Git, Bitbucket, GitLab, Jenkins, CI/CD, OWASP, Scrum, Confluence, Jira, Linux, Unix, Python, Bash, AWS, EC2, S3, Lambda, APIGateway, CloudWatch, MSK, HTML, CSS, JavaScript, Angular, React, Vue.js 🏢 Description: Svitla Systems Inc. is looking for a Senior Java Developer for a full-time position (40 hours per week) in Poland. Our client is a French-based international group of media companies. It is a long-term project. There are optional night-time deployment sessions every other Wednesday at 10:00 PM. Our working hours are 8 hours and 30 minutes from Monday to Thursday, and 6 hours on Fridays, with the option to work 8 hours from Monday to Friday. You can choose to work remotely or from the office. While remote work is welcome, attendance at the Warsaw office is encouraged 1 to 3 times a week. REQUIREMENTS Minimum of 4 years of development experience using Java 8–25. Strong knowledge of design patterns, multithreading and immutability. Knowledge of such frameworks as Spring (Spring Boot, Spring MVC, WebFlux), MyBatis, TestContainers. Experience with SQL and NoSQL (Oracle, PostgreSQL, MongoDB, Redis), Confluence, Kafka, and the ability to work with ORM (Object-Relational Mapping). Understanding of software architecture, including microservices, RESTful architecture, Kubernetes, Docker, SOA (Service-Oriented Architecture), and SSO (Okta, CAS, IAM). Experience with testing tools: Unit testing (JUnit, Mockito), integration and acceptance testing (Spock), support for performance testing (JMeter, K6). Familiarity with version control and CI/CD tools: Git (Bitbucket, GitLab), Jenkins, GitLab CI, and GitLab Pipelines. High degree of independence, accountability for results and attention to the quality of implementation. Understanding of the basic principles of web application security (e.g. OWASP). Ability to collaborate within a Scrum development team. Familiarity with Confluence and Jira. Knowledge of Unix/Linux systems. Knowledge of scripting languages in a Linux environment (Python, Bash). Understanding of AWS cloud services and technologies, including IAM, EC2, S3, Lambda, API Gateway, CloudWatch, and MSK. Expertise in creating technical and user documentation Knowledge of DevOps practices and automation tools. Analytical and problem-solving skills with the ability to analyze requirements and design solutions. High level of English for communication. NICE TO HAVE Knowledge of front-end tools and technologies HTML, CSS, JavaScript (frameworks such as Angular, React or Vue.js). RESPONSIBILITIES Deliver development work. Provide technical consultations (advising other individuals and departments). Perform code reviews and foster team development. Create documentation in Confluence, managing tasks using Jira. WE OFFER US and EU projects based on advanced technologies. Competitive compensation based on skills and experience. Regular performance appraisals to support your growth. Flexibility in the workspace, either remote or in our welcoming office. Comprehensive medical insurance after one month. MultiSport card with access to 2500 sports facilities all over Poland Bonuses for recommendations of new employees. Bonuses for article writing, public talks, and other activities. 15 vacation days, 10 national holidays, 10 sick leaves, and family days off. Personalized learning program tailored to your interests and skill development. Free tech webinars and meetups organized by Svitla. Welcome and anniversary presents, gifts for children, and more. Regular corporate events and meetups. Awesome team, friendly and supportive community!