Senior Automation QA Engineer with AI

🏢 Summary: Full-time Senior Automation QA Engineer role focused on building and leading the QA strategy for AI-powered and deterministic systems in a production-grade platform. The position involves designing and implementing scalable test automation frameworks, validating non-deterministic AI components, and ensuring overall system reliability and quality. Hybrid work model with significant ownership over testing processes, tools, and standards. 🗂️ Requirements: Strong experience in Java or Node.js or TypeScript, Experience building and maintaining test automation frameworks, Hands-on test automation for APIs, backend services, and front-end applications, Experience with Playwright or REST Assured, Experience working with LLMs and AI tools, Understanding of test design principles, Experience testing AI-driven and non-deterministic systems, Knowledge of HTTP protocols and browser DevTools 📃 Skills: Java, Node.js, TypeScript, Playwright, REST, RESTAssured, LLM, AI, HTTP, DevTools, API, Automation 🏢 Description: Svitla Systems Inc. is looking for a Senior Automation QA Engineer with AI for a full-time position (40 hours per week) in Kraków, Poland . Our client is a British wholesale distributor. This role is for a Quality Assurance Engineer who is excited about testing AI-powered systems, working with non-deterministic outputs, and helping ensure reliability, correctness, and trust in a production-grade platform. You will be part of a newly formed engineering team and will have significant influence over testing strategy, quality standards, and tooling. We are looking for someone who can define and build the QA strategy from the ground up, including test frameworks, quality standards, and processes for validating both deterministic and AI-powered system behaviors. Hybrid mode with 2–3 days per week working from the office in Kraków. Requirements: Strong experience in Java / Node.js (or TypeScript) for building and maintaining test automation frameworks and backend testing utilities. Ability to work effectively in environments with a high degree of uncertainty, taking a pragmatic, solution-oriented approach to problem-solving. Strong understanding of test design principles, with hands-on experience in automating tests for APIs, backend services, and front-end applications. Experience working with LLMs and AI tools to improve development and testing efficiency (e.g., code generation, test automation, debugging). Responsibilities: Develop and continuously enhance robust, scalable test automation frameworks using Java / Node.js (Playwright / REST Assured). Drive quality initiatives and testing strategies in collaboration with cross-functional teams, including development and product. Designing validation approaches for AI-driven and non-deterministic components, including defining test datasets, evaluation criteria, and acceptable quality thresholds. Own the execution and management of both manual and automated test cases. Investigate and troubleshoot issues using HTTP protocols and browser DevTools, ensuring precision in defect isolation and resolution. Take ownership of the testing lifecycle, proactively identifying opportunities to improve test coverage, reliability, and overall system quality. Continuously improve QA processes, tooling, and metrics to support scalable, production-grade AI systems. 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! Ref #4832

🏢 Summary: Full-time Senior Automation QA Engineer role focused on building and establishing quality and automation foundations for a new AI-driven, API-based application module. The position involves designing and maintaining automated tests across frontend, backend, and microservices layers, with strong emphasis on AI-assisted testing and CI/CD integration. Hybrid work model in Kraków with collaboration in a distributed engineering team. 🗂️ Requirements: Experience in frontend, backend, and API testing, Practical experience applying AI tools in testing and SDLC, Understanding of microservices-based systems, Knowledge of HTTP and RESTful APIs, Hands-on experience with REST Assured or Playwright, Experience integrating automated tests into CI/CD pipelines, Experience with GitHub Actions, Experience with service mocking and contract testing (WireMock, Pact), Experience with Java and Spring Boot environments, Experience with JavaScript-based frontend applications 📃 Skills: Java, Spring, JavaScript, PostgreSQL, REST, HTTP, Microservices, RESTAssured, Playwright, GitHubActions, WireMock, Pact, AI, CI/CD, Jira, Zephyr, xAPI, MFE, BFF 🏢 Description: Svitla Systems Inc. is looking for a Senior Automation QA Engineer with AI for a full-time position (40 hours per week) in Poland. Our client is one of the world's largest food retailers. The team is launching a greenfield project to build a new module for the app. One of the main objectives of this project is to utilize AI as much as possible across every part of the delivery - from design and development to testing, automation, and delivery. The team needs an Automation QA Engineer with experience using AI in a daily tester's job. As an AQA Engineer, you'll be a key contributor to defining and implementing the quality and automation foundations for a distributed, API‐driven system. You'll collaborate closely with engineers and product teams, ensuring quality is built in from the earliest stages and supported by robust automation and AI‐assisted testing. Office work is expected 2-3 days per week in Kraków. CET Working hours. Tech stack: Micro Frontends (MFE) with a Backend for Frontend (BFF)/ xAPI + Enterprise APIs. Backend: Java (Spring Boot). Frontend: JavaScript. Database: PostgreSQL. Requirements: Solid understanding of QA methodologies, with hands‐on experience in frontend, backend, and API testing. Strong interest and practical experience in applying AI tools to testing, automation, and SDLC optimization. Understanding of testing microservices‐based systems. Practical knowledge of HTTP and RESTful APIs. Hands‐on experience with test automation frameworks (like REST Assure, Playwright). Experience working with CI/CD pipelines, preferably GitHub Actions. Familiarity with service mocking and contract testing (WireMock, Pact). Nice to have: Experience with performance testing. Experience setting up or maintaining test environments. Basic cloud knowledge (Azure / AWS). Responsibilities: Collaborate early with the engineering team to influence requirements and define effective test strategies. Design, develop, and maintain automated tests for backend services, APIs, UI, and end‐to‐end flows. Validate service interactions and data flows across microservices and BFF layers. Integrate automated tests into CI/CD pipelines (GitHub Actions). Actively apply AI‐supported tools to improve test design, execution, and maintenance. Produce clear test reports and participate in test automation code reviews. Manage test cases and test cycles (Jira Zephyr). 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 Middle/Senior QA Engineer role focused primarily on manual testing of a React Native mobile app integrated with hardware devices. The position involves validating mobile features, hardware-generated data, and CI/CD pipelines while collaborating with development and hardware teams. Limited automation is included, with occasional maintenance of 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, Professional English proficiency, Experience in small to medium companies (non-startup) 📃 Skills: ManualTesting, MobileTesting, ReactNative, iOS, Android, API, Bluetooth, MQTT, CI/CD, Bitrise, Detox, TypeScript, JavaScript, macOS 🏢 Description: Svitla Systems Inc. is looking for a Middle/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). Hands on experience with 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, 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! Ref #5117

🏢 Summary: Full-time Senior AI Quality Analyst role focused on evaluating, testing, and improving AI/ML models across their lifecycle. The position involves designing evaluation strategies, performing error and adversarial analysis, managing datasets, and ensuring model safety, reliability, and performance. You will drive actionable insights to enhance model quality and testing processes. 🗂️ Requirements: Proven experience in QA, testing, or data analysis in AI/ML domain, Strong understanding of ML lifecycle and AI model failure modes, Hands-on experience with data annotation and data validation, Experience managing large datasets for model evaluation, Experience with bug-tracking and test case management tools, Ability to design evaluation benchmarks and test cases, Experience in error analysis and defect triage, Ability to set up and maintain testing environments 📃 Skills: AI, ML, QA, Python, Jira, DataAnnotation, DataValidation, ErrorAnalysis, RedTeaming, TestAutomation, Datasets, ComputerVision, Benchmarking, Scripting 🏢 Description: Svitla Systems Inc. is looking for a Senior AI Quality Analyst for a full-time position (40 hours per week) in Europe. The AI Quality Analyst is a critical role responsible for ensuring the performance, safety, and reliability of our cutting-edge AI/ML models. You will be at the forefront of our development lifecycle, designing and executing comprehensive evaluation strategies to identify model weaknesses, potential biases, and critical edge cases. This role requires a blend of analytical rigor, technical aptitude, and deep curiosity about how AI models behave in real-world scenarios. You will not only find bugs but also provide actionable insights that drive model improvement and guide our research and development efforts. Responsibilities Evaluation Strategy & Benchmark Development: Create and manage a comprehensive set of test cases and evaluation benchmarks. Identify potential failure points, including edge cases, adversarial inputs, and bias sources. Error Analysis & Failure Triage: Perform systematic error analysis to categorize failures and find underlying patterns. Triage defects, prioritize by severity and impact, and collaborate with the development team for resolution. Data Sourcing & Curation: Gather, curate, and manage high-quality datasets for model testing and evaluation. Conduct data annotation and validation to maintain data integrity. Exploratory & Adversarial Testing (Red Teaming): Conduct unscripted exploratory testing to detect unexpected model behaviors. Engage in red teaming exercises to challenge models and uncover safety and security vulnerabilities. Test Environment Management: Set up, maintain, and troubleshoot testing environments to ensure reliable evaluation pipelines. Reporting & Insights: Analyze test results and create clear, actionable reports for technical and non-technical audiences. Convert complex findings into tangible recommendations for model improvements. Process Improvement: Participate in review sessions and help enhance testing methodologies, tools, and quality assurance processes. Qualifications and Skills Proven experience in quality assurance, testing, or data analysis, preferably in the AI/ML domain. A deep understanding of the machine learning lifecycle and common failure modes of AI models. Hands-on experience with data annotation, data validation, and large dataset management. Meticulous attention to detail and a methodical approach to problem-solving. Strong analytical skills, with the ability to identify patterns in data and draw meaningful conclusions. Excellent communication skills, with the ability to clearly document bugs and articulate complex technical issues. Experience with bug-tracking systems (e.g., Jira) and test case management tools. Nice to have Basic scripting skills (e.g., Python) for test automation and data manipulation. Familiarity with computer vision or other specific AI domains relevant to our work.

🏢 Summary: Full-time Senior Java Engineer role in a hybrid model (3 days/week in Kraków) focused on designing and delivering microservices-based solutions in a large-scale retail environment. The position involves leading technical strategy, implementing high-quality Java 21 and Spring Boot solutions in Azure cloud, and collaborating across teams in an Agile setup with on-call rotation. 🗂️ Requirements: 6+ years of experience in JVM ecosystem, Strong knowledge of Java and Spring Boot, Experience with microservices architecture, Experience with Azure and Kubernetes (AKS), Experience with PostgreSQL, Experience with CI/CD pipelines, Knowledge of Terraform, Experience with event-driven architecture, Fluent English, Availability to work hybrid (3 days/week in Kraków office), Willingness to participate in on-call rotation 📃 Skills: Java, Spring, Azure, AKS, Kubernetes, Terraform, Microservices, DDD, EventSourcing, PostgreSQL, GitHub, GitHubActions, ArgoCD, Splunk, Spock, JIRA, Zendesk, Miro 🏢 Description: Svitla Systems Inc. is looking for a Senior Java Engineer for a full-time position (40 hours per week) in Poland (Kraków and its immediate surroundings). Our client is one of the world's largest food retailers, operating thousands of stores across the United Kingdom, Ireland, and Europe. The hybrid mode of work includes 3 days/week at the Krakow office (this is essential as the role involves working with other team members). On-Call duties (rotating shifts). Tech Stack: Languages: Java 21; Frameworks: Spring Boot; Cloud: Azure (AKS/Kubernetes), Terraform; Architecture: Microservices, DDD, Event Sourcing; DB: PostgreSQL; CI/CD: GitHub Actions + ArgoCD; Monitoring & alerting: Splunk; Testing: Spock; VCS: GitHub; Others include Zendesk, JIRA, and Miro. Requirements: 6+ years of experience as a Software Engineer within the JVM ecosystem. Strong understanding of language & framework, and a good working knowledge of the abstraction layer underneath The ability to showcase exemplary behaviour in your work – your design, delivery, code, processes all sets examples for your team. Fluent communication skills in English. Responsibilities: Work in an Agile environment. Take a business problem and develop a technical strategy within the team, along with a high-level design, and lead the implementation. Work under minimal directions or guidance and collaborate with SDEs across teams working on the same or similar business problems. Influence your team’s technical and business strategy by suggesting novel approaches. Proactively mentor the rest of the team and help with hiring. Communicate your ideas and get feedback from different stakeholders. Drive convergence to achieve the proper outcomes. Ensure that design or architectural deficiencies are addressed, and routinely simplify the integration of your peer teams' software with your team’s software. Consistently lead the delivery of valuable features. Continually propose and drive process improvements. Help elaborate on requirements where necessary. 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!

🏢 Summary: Full-time Senior SDET role focused on designing and scaling automation frameworks from scratch using C# and Playwright. The position drives test architecture, CI/CD integration, API and UI automation, and nonfunctional testing to significantly increase automated coverage. It involves close collaboration with engineering and DevOps to implement robust, scalable, and metrics-driven quality practices. 🗂️ Requirements: 7+ years of software testing experience with strong automation focus, Advanced C# programming skills, Proven experience with Playwright, Experience building automation frameworks from scratch, Hands-on API testing using REST or GraphQL, Experience integrating automated tests into CI/CD pipelines, Experience with Jenkins or GitLab CI/CD, Proficiency in Linux and Windows environments, Experience with Docker and at least one cloud platform (AWS, Azure, or GCP), Strong debugging and root cause analysis skills, Bachelor’s degree in Computer Science, IT, or equivalent experience 📃 Skills: C#, Playwright, Selenium, REST, GraphQL, Jenkins, GitLab, CI/CD, Linux, Windows, Docker, AWS, Azure, GCP 🏢 Description: Svitla Systems Inc. is looking for a Senior Software Development Engineer in Test (SDET) for a full-time position (40 hours per week) in Europe. Our client is a reputable leader in creating cutting-edge utility software and technology, providing solutions that encompass consumer billing and finance as well as IT, GIS, advanced analytics, cybersecurity, and operations. Requirements: 7+ years in software testing with a strong emphasis on automation engineering. Advanced C# skills required; experience writing test code, libraries, and utilities. Proven Playwright expertise; experience with Selenium or similar tools is a plus. Demonstrated ability to build and scale automation frameworks from the ground up. Hands-on API testing experience using code (REST/GraphQL); familiarity with contract testing. Deep experience integrating tests into CI/CD (Jenkins, GitLab CI/CD) and configuring pipelines for test execution. Comfortable in Linux and Windows environments. Familiar with containerization and cloud test environments (Docker, AWS/Azure/GCP). Strong debugging skills: log analysis, root cause, and flaky test mitigation. Excellent communication and ability to present technical trade-offs and metrics to leadership. Bachelor’s degree in CS/IT or equivalent experience. Responsibilities: Framework Architecture: Design, implement, and evolve automation frameworks from scratch using C# and Playwright; ensure maintainability, modularity, and reusability. Test Engineering: Develop unit, integration, API, and UI tests in code; create test harnesses and mocks; ensure tests are deterministic and fast. CI/CD Integration: Embed automated tests into CI/CD pipelines (Jenkins, GitLab CI/CD); implement quality gates, parallel execution, and test reporting. Automation Strategy: Drive automation roadmap to increase coverage from current ~10% to target levels; prioritize test types by risk and ROI. Performance and Nonfunctional Testing: Define and automate performance, reliability, and security checks where applicable. Metrics and Reporting: Define automation KPIs (coverage, flakiness, execution time, escaped defects); present metrics to engineering leadership. Technical Mentorship: Mentor engineers and QA on test-driven development, test design patterns, and code review for tests. Cross-Functional Collaboration: Work closely with developers, architects, and DevOps to shift-left testing and reduce manual handoffs. 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 SDET role focused on designing and scaling automation frameworks from scratch using C# and Playwright. The position emphasizes API, UI, and integration test automation, CI/CD integration, and increasing automation coverage across complex utility software systems. The engineer will drive automation strategy, embed tests into pipelines, and ensure high quality through robust nonfunctional testing and metrics. 🗂️ Requirements: 7+ years in software testing with focus on automation, Advanced C# programming skills, Proven experience with Playwright, Experience building automation frameworks from scratch, Hands-on API testing using code (REST/GraphQL), Experience integrating automated tests into CI/CD pipelines, Experience with Jenkins or GitLab CI/CD, Proficiency in Linux and Windows environments, Experience with Docker and cloud environments (AWS/Azure/GCP), Strong debugging and root cause analysis skills, Bachelor’s degree in CS/IT or equivalent experience 📃 Skills: C#, Playwright, Selenium, REST, GraphQL, API, CI/CD, Jenkins, GitLab, Linux, Windows, Docker, AWS, Azure, GCP, Automation, Performance, Security 🏢 Description: Svitla Systems Inc. is looking for a Senior Software Development Engineer in Test (SDET) for a full-time position (40 hours per week) in Europe. Our client is a reputable leader in creating cutting-edge utility software and technology, providing solutions that encompass consumer billing and finance as well as IT, GIS, advanced analytics, cybersecurity, and operations. Requirements: 7+ years in software testing with a strong emphasis on automation engineering. Advanced C# skills required; experience writing test code, libraries, and utilities. Proven Playwright expertise; experience with Selenium or similar tools is a plus. Demonstrated ability to build and scale automation frameworks from the ground up. Hands-on API testing experience using code (REST/GraphQL); familiarity with contract testing. Deep experience integrating tests into CI/CD (Jenkins, GitLab CI/CD) and configuring pipelines for test execution. Comfortable in Linux and Windows environments. Familiar with containerization and cloud test environments (Docker, AWS/Azure/GCP). Strong debugging skills: log analysis, root cause, and flaky test mitigation. Excellent communication and ability to present technical trade-offs and metrics to leadership. Bachelor’s degree in CS/IT or equivalent experience. Responsibilities: Framework Architecture: Design, implement, and evolve automation frameworks from scratch using C# and Playwright; ensure maintainability, modularity, and reusability. Test Engineering: Develop unit, integration, API, and UI tests in code; create test harnesses and mocks; ensure tests are deterministic and fast. CI/CD Integration: Embed automated tests into CI/CD pipelines (Jenkins, GitLab CI/CD); implement quality gates, parallel execution, and test reporting. Automation Strategy: Drive automation roadmap to increase coverage from current ~10% to target levels; prioritize test types by risk and ROI. Performance and Nonfunctional Testing: Define and automate performance, reliability, and security checks where applicable. Metrics and Reporting: Define automation KPIs (coverage, flakiness, execution time, escaped defects); present metrics to engineering leadership. Technical Mentorship: Mentor engineers and QA on test-driven development, test design patterns, and code review for tests. Cross-Functional Collaboration: Work closely with developers, architects, and DevOps to shift-left testing and reduce manual handoffs. 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 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: Full-time Senior Back End Engineer role with an AI/LLM focus, responsible for building scalable backend systems and leading the integration of AI capabilities into products and engineering workflows. The position combines hands-on backend development with designing MCP servers, RAG pipelines, and AI-driven automation. It requires driving advanced adoption of LLMs and AI tooling across the development lifecycle. 🗂️ Requirements: 5+ years backend or full-stack software engineering experience, Proficiency in at least one backend language: Python, Go, Node.js, TypeScript, or Java, Experience designing and building production REST or GraphQL APIs, Experience with distributed systems, Strong knowledge of relational databases such as PostgreSQL or MySQL, Experience with caching, queues, and event-driven architectures, Experience with AWS, GCP, or Azure, Experience with CI/CD, containerization, and infrastructure as code, Hands-on experience building or integrating MCP servers, Experience implementing RAG pipelines with embeddings and retrieval logic, Experience integrating LLM APIs in production environments, Experience building AI agents or agentic workflows, Experience with prompt engineering and LLM evaluation, Experience fine-tuning or customizing models, Experience automating testing, code review, or deployment using AI 📃 Skills: Python, Go, Node.js, TypeScript, Java, REST, GraphQL, PostgreSQL, MySQL, AWS, GCP, Azure, CI/CD, Docker, Kubernetes, MCP, RAG, LLM, OpenAI, Anthropic, LangChain, LangGraph, AutoGen, Pinecone, Weaviate, pgvector, Chroma 🏢 Description: Svitla Systems Inc. is looking for a Senior Back End Engineer with AI/LLM for a full-time position (40 hours per week) in Europe. Our client generates opportunities for innovation and enhances time and cost efficiencies for MVNOs, mobile operators, and businesses providing connectivity within the telecom ecosystem. You will not only deliver production-grade backend and full-stack systems, but also help lead the organization's adoption of progressive AI tooling and engineering practices. It is a hands-on engineering role with an AI-forward mandate: we want someone who pushes the team beyond passive AI use to build, integrate, and operationalize AI capabilities across our codebase, workflows, and products. Requirements 5+ years of experience in software engineering in backend or full-stack roles. Strong knowledge of at least one modern backend language (Python, Go, Node.js/TypeScript, Java, or similar). Experience designing and building production REST/GraphQL APIs and distributed systems. Extensive knowledge of databases (PostgreSQL, MySQL, or similar) and familiarity with caching, queues, and event-driven architectures. Knowledge of cloud environment (AWS, GCP, or Azure) and modern DevOps practices (CI/CD, containerization, infrastructure as code). Have experience not just using AI (as in using Claude, Cursor, and Codex), but also building an MCP server, understanding of the RAG and LLM, and LPM that can help automate the testing, etc. Strong written and verbal communication; able to mentor and influence peers. Hands-on experience with AI/LLM engineering, including at least several of the following: Building or integrating with MCP servers; Implementing RAG pipelines (embeddings, vector databases, retrieval logic); Working with LLM APIs (OpenAI, Anthropic, Google) in production; Building AI agents or agentic workflows (LangChain, LangGraph, AutoGen, or similar); Prompt engineering and LLM evaluation; Fine-tuning or model customization; Active, sophisticated use of AI coding assistants (Claude Code, Cursor, Codex, GitHub Copilot) - able to articulate workflows, limits, and best practices; Experience automating engineering processes (testing, code review, deployment) with AI. Nice to have Open-source contributions to AI/LLM tooling or the MCP ecosystem. Familiarity with vector databases (Pinecone, Weaviate, pgvector, Chroma). Background in telecommunications, networking, or SaaS infrastructure Familiarity with model evaluation frameworks and AI observability tools. Bachelor's or Master's in Computer Science or a related field. Responsibilities Design, build, and maintain scalable backend services and APIs supporting the platform. Contribute to full-stack feature development, collaborating with frontend, infrastructure, and product teams. Write clean, well-tested, production-ready code with strong attention to performance, reliability, and maintainability. Participate in architecture decisions, code reviews, and technical planning. Lead by example in advanced AI tool adoption — go beyond using Claude, Cursor, and Codex to shape how the team uses them actively. Design and build MCP servers to expose internal data sources, APIs, and tools to LLMs and AI agents. Architect and implement RAG systems for internal and product-facing use cases. Apply working knowledge of LLMs and LPMs to evaluate, fine-tune, and integrate models into engineering workflows. Build AI-driven automation for testing, code review, documentation, and operational workflows. Mentor engineers on effective AI tool usage, prompt engineering, and AI-augmented development practices. Evaluate emerging AI tools, frameworks, and platforms; recommend adoption strategies. 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!