Senior Integration Test & Service Virtualization Engineer (f/m)

🏢 Summary: Senior System Integration & Test Engineer role focused on defining and executing integration and validation strategies for complex software systems. The position involves building integration environments, implementing CI/CD practices, and ensuring full requirements traceability and high-quality deliverables. The project duration is 3 years with responsibility for end-to-end integration and testing activities. 🗂️ Requirements: Master’s degree in Computer Science or equivalent, Minimum 7 years of experience in software integration and qualification, Strong knowledge of software project lifecycle management, Advanced experience with application servers, Expertise in web services integration, Proficiency in CI/CD tools, Strong Linux knowledge, Knowledge of cybersecurity principles (PKI) 📃 Skills: JBoss, Tomcat, SOAP, REST, RPC, Jenkins, Ansible, Linux, PKI, CICD, DevOps 🏢 Description: Introduction & Summary: We are seeking a highly skilled Senior System Integration & Test Engineer with a solid minimum of 7 years in the integration and qualification of software. The ideal candidate will possess a comprehensive understanding of the software project lifecycle, advanced knowledge of DevOps practices, and expertise in integrating systems to ensure high-quality deliverables. Project duration : 3 years. Main Responsibilities: This role involves defining integration strategies and ensuring proper testing of software systems. Key responsibilities include: Defining integration and test strategies, test plans, and test scenarios. Ensuring requirements traceability and coverage. Utilizing DevOps and CI/CD best practices. Building integration environments and installing or upgrading solutions. Performing integration and validation tests (including load, performance, high availability, accuracy and security tests). Investigating issues by analyzing logs during tests execution, reports incidents through configuration management tool and monitors them until closure. Producing documents that will allow proper installation, testing, operations and administration. Preparing and providing training for customers, support and maintenance teams. Supporting pre-sales teams on specific technical requests on integration activities. Defining and implementing autonomously the entire integration and test strategy of a full simple project requiring advanced knowledge in OS, database and integration tools. Key Requirements: - Master's or equivalent degree in Computer Science (5+ years). - Minimum 7 years experience in software integration and qualification. - Proficient in software project lifecycle management. - Advanced skills in Application Servers (JBoss, Tomcat). - Expertise in web services (SOAP, REST, RPC). - Proficient in CI/CD tools (Jenkins, Ansible) and OS (Linux). - Knowledge of Cybersecurity principles (PKI) is important. - Professional English proficiency is essential. Nice to Have: - Familiarity with Maven Artifact repositories (Nexus). - Experience with scripting (Python, Bash, etc.). - Understanding of Queueing services (Rabbit MQ, Active MQ). - Familiarity with cloud environments (AWS, Azure, Google Cloud). - Knowledge of IT infrastructures (Windows, Linux, virtualization). - Experience with test tools (Jira, JMeter, etc.). Other Details: Work Arrangement & Mobility Requirements This position follows a hybrid work model , with 2 days remote and 3 days on-site per week. The selected candidate must also be available for occasional business travel within Europe . Eligibility & Export Control Due to Export Control regulations , the role is restricted to European nationals . Candidates must be eligible to work under these regulations and must not have a criminal record

🏢 Summary: Long-term senior role focused on designing, developing and maintaining automated tests (UI, API, integration, regression) within a Scrum team. The position emphasizes building and improving test frameworks, integrating tests with CI/CD pipelines, and ensuring high software quality through both automated and manual testing. Work is on-site and centered on enterprise-level systems. 🗂️ Requirements: Minimum 5 years experience as QA Engineer or Test Automation Engineer, Strong practical knowledge of Java, Experience with Playwright or Selenium, Experience with RestAssured, Experience with Postman or Newman, Experience with CI/CD tools (GitLab CI, GitHub Actions, Jenkins or Azure DevOps), Good knowledge of Git, Experience with Jira and Xray or Zephyr, Experience in API testing, Experience with enterprise systems, Knowledge of Scrum and QA processes 📃 Skills: Java, Playwright, Selenium, RestAssured, Postman, Newman, GitLab, GitHub, Jenkins, Azure, Git, Jira, Xray, Zephyr, Scrum, CI/CD, API 🏢 Description: Senior Test Automation Engineer 🚀 Dołącz do projektu, w którym jakość oprogramowania i automatyzacja testów są kluczowym elementem procesu developmentu. Szukamy doświadczonego Senior Test Automation Engineera, który będzie odpowiedzialny za rozwój testów automatycznych, wsparcie testów manualnych oraz aktywną współpracę z zespołem Scrum przy dostarczaniu stabilnych i wysokiej jakości rozwiązań. 📍 Forma pracy: stacjonarna 📅 Długoterminowa współpraca 💼 Senior level 🔎 Zakres obowiązków • projektowanie, rozwój i utrzymanie testów automatycznych (UI, API, regresja, integracja), • rozwój frameworków testowych zgodnie z dobrymi praktykami QA, • integracja testów z CI/CD oraz monitorowanie stabilności pipeline’ów, • analiza wyników testów i raportowanie błędów, • wykonywanie testów manualnych funkcjonalnych i eksploracyjnych, • przygotowywanie przypadków testowych na podstawie wymagań biznesowych, • udział w ceremoniach Scrum i planowaniu jakości w sprincie, • współpraca z developerami, DevOps oraz Product Ownerami. ✅ Wymagania • min. 5 lat doświadczenia jako QA Engineer / Test Automation Engineer, • praktyczna znajomość Java, • doświadczenie z: Playwright / Selenium, RestAssured, Postman/Newman, • doświadczenie z CI/CD: GitLab CI, GitHub Actions, Jenkins lub Azure DevOps, • dobra znajomość Git, Jira, Xray/Zephyr, • doświadczenie w testowaniu API i systemów enterprise, • znajomość Scrum oraz procesów QA. ⭐ Mile widziane • Python, JavaScript/TypeScript lub C#, • Docker / Kubernetes, • testy wydajnościowe, • doświadczenie w chmurze (AWS / Azure / GCP), • znajomość BDD / Cucumber / shift-left testing. 🎯 Szukamy osoby, która łączy podejście techniczne z wysoką dbałością o jakość, potrafi działać samodzielnie i dobrze odnajduje się w środowisku Agile.

🏢 Summary: The offer is for a System Test Engineer responsible for building and maintaining complex test environments, designing and executing system and acceptance tests, and analyzing network protocols within complex IP networks. The role focuses on verification and validation processes and close collaboration with integration and development teams in a technical, infrastructure-related environment. 🗂️ Requirements: Completed degree in Computer Science, Mathematics or related STEM field, Several years of professional experience in software testing, Strong understanding of verification and validation processes, Experience operating complex IP network structures (IPv4/v6, ICMP, TCP, UDP, DHCP, DNS), Knowledge of routing and switching and protocols OSPF and BGP, Experience with Jira-Xray, IBM Doors and Wireshark, Fluent German and English, Willingness to travel up to 30% 📃 Skills: SoftwareTesting, Verification, Validation, IPv4, IPv6, ICMP, TCP, UDP, DHCP, DNS, Routing, Switching, OSPF, BGP, Jira, Xray, IBMDoors, Wireshark 🏢 Description: Einleitung & Zusammenfassung: Wir suchen einen System Test Engineer mit umfangreicher Erfahrung im Software Testing und einem fundierten Verständnis der Verifikations- und Validierungsprozesse. Sie werden komplexe Testumgebungen aufbauen und dokumentieren sowie System- und Abnahmetests konzipieren und durchführen. Ihre tiefgehende Expertise in IP-Netzwerkstrukturen wird entscheidend sein, um gemeinsam mit unserem Integration & Validation Team innovative Lösungen zu entwickeln. Standort: Gilching oder Heimertingen Karrierelevel: mit Berufserfahrung Arbeitszeit: 40 Std./Woche Hauptverantwortlichkeiten: Aufbau, Pflege, Weiterentwicklung und Dokumentation von komplexen Testumgebungen Konzeption und Entwurf von System und Abnahmetests Durchführung von Feld-, System- und Abnahmetests Dokumentation und strukturierte Aufbereitung der Testergebnisse Analyse von Netzwerkprotokollen und Troubleshooting in komplexen IP-Netzwerkstrukturen Enge Zusammenarbeit mit dem Integration & Validation Team sowie den Entwicklungsbereichen Wichtige Anforderungen: Abgeschlossenes Studium der Informatik, Mathematik oder einem vergleichbaren MINT-Fach Einschlägige mehrjährige Berufserfahrung im Software Testing Tiefgehendes Verständnis der Verifikations- und Validierungsaktivitäten Erfahrung im Betrieb von komplexen IP-Netzwerkstrukturen (IPv4/v6, ICMP, TCP, UDP, DHCP, DNS) Fundierte Kenntnisse in Routing & Switching sowie den Protokollen OSPF und BGP Sicherer Umgang mit Tools wie Jira-Xray, IBM Doors und Wireshark Sehr gute Deutsch- und Englischkenntnisse in Wort und Schrift Reisebereitschaft (bis zu 30%) Nice to Have Kenntnisse über kabelgebundene (Ethernet, EtherCAT) und drahtlose Kommunikation (VHF, UHF, LTE, SatCom) Erfahrung mit C/C++, C# oder Java Idealerweise ISTQB Certified Tester Foundation Level Zertifizierung Erfahrung mit Tunneling-Technologien (L2TP, GRE, VPN) und Sprachkommunikation (SIP, RTP) Andere Details Diese Position kann eine Sicherheitsüberprüfung nach Sicherheitsüberprüfungsgesetz (SÜG) erfordern. Wir fördern ein innovatives Arbeitsumfeld und bieten die Möglichkeit, in einem dynamischen Team an kritischen Infrastrukturen zu arbeiten. Bei Interesse, freue ich mich auf Ihre Kontaktaufnahme!

🏢 Summary: The offer is for a System Test Engineer responsible for building, maintaining and documenting complex test environments and designing and executing system and acceptance tests. The role focuses on verification and validation activities within complex IP network infrastructures, including protocol analysis and troubleshooting. You will collaborate closely with Integration & Validation and development teams to ensure quality and reliability of network-based systems. 🗂️ Requirements: Degree in Computer Science, Mathematics or comparable STEM field, Several years of professional experience in software testing, Strong knowledge of verification and validation processes, Experience operating complex IP network infrastructures, Knowledge of IPv4/v6, ICMP, TCP, UDP, DHCP, DNS, Knowledge of Routing & Switching and OSPF, BGP, Experience with Jira-Xray, IBM Doors, Wireshark, Very good German and English skills, Willingness to travel up to 30% 📃 Skills: IPv4, IPv6, ICMP, TCP, UDP, DHCP, DNS, OSPF, BGP, Jira, Xray, IBM Doors, Wireshark, Ethernet, EtherCAT, VHF, UHF, LTE, SatCom, C, C++, C#, Java, L2TP, GRE, VPN, SIP, RTP 🏢 Description: Einleitung & Zusammenfassung: Wir suchen einen System Test Engineer mit umfangreicher Erfahrung im Software Testing und einem fundierten Verständnis der Verifikations- und Validierungsprozesse. Sie werden komplexe Testumgebungen aufbauen und dokumentieren sowie System- und Abnahmetests konzipieren und durchführen. Ihre tiefgehende Expertise in IP-Netzwerkstrukturen wird entscheidend sein, um gemeinsam mit unserem Integration & Validation Team innovative Lösungen zu entwickeln. Standort: Gilching oder Heimertingen Karrierelevel: mit Berufserfahrung Arbeitszeit: 40 Std./Woche Hauptverantwortlichkeiten: Aufbau, Pflege, Weiterentwicklung und Dokumentation von komplexen Testumgebungen Konzeption und Entwurf von System und Abnahmetests Durchführung von Feld-, System- und Abnahmetests Dokumentation und strukturierte Aufbereitung der Testergebnisse Analyse von Netzwerkprotokollen und Troubleshooting in komplexen IP-Netzwerkstrukturen Enge Zusammenarbeit mit dem Integration & Validation Team sowie den Entwicklungsbereichen Wichtige Anforderungen: Abgeschlossenes Studium der Informatik, Mathematik oder einem vergleichbaren MINT-Fach Einschlägige mehrjährige Berufserfahrung im Software Testing Tiefgehendes Verständnis der Verifikations- und Validierungsaktivitäten Erfahrung im Betrieb von komplexen IP-Netzwerkstrukturen (IPv4/v6, ICMP, TCP, UDP, DHCP, DNS) Fundierte Kenntnisse in Routing & Switching sowie den Protokollen OSPF und BGP Sicherer Umgang mit Tools wie Jira-Xray, IBM Doors und Wireshark Sehr gute Deutsch- und Englischkenntnisse in Wort und Schrift Reisebereitschaft (bis zu 30%) Nice to Have Kenntnisse über kabelgebundene (Ethernet, EtherCAT) und drahtlose Kommunikation (VHF, UHF, LTE, SatCom) Erfahrung mit C/C++, C# oder Java Idealerweise ISTQB Certified Tester Foundation Level Zertifizierung Erfahrung mit Tunneling-Technologien (L2TP, GRE, VPN) und Sprachkommunikation (SIP, RTP) Andere Details Diese Position kann eine Sicherheitsüberprüfung nach Sicherheitsüberprüfungsgesetz (SÜG) erfordern. Wir fördern ein innovatives Arbeitsumfeld und bieten die Möglichkeit, in einem dynamischen Team an kritischen Infrastrukturen zu arbeiten. Bei Interesse, freue ich mich auf Ihre Kontaktaufnahme!

🏢 Summary: Oferta dotyczy roli Senior Test Engineera w branży lotniczej, odpowiedzialnego za strategię testów, automatyzację oraz zapewnienie jakości systemów IT o wysokich wymaganiach bezpieczeństwa i niezawodności. Stanowisko obejmuje rozwój frameworków testowych, integrację z CI/CD oraz prowadzenie testów wydajnościowych i bezpieczeństwa. Praca odbywa się w modelu zdalnym z możliwością wpływu na standardy jakości i rozwój nowoczesnych projektów IT. 🗂️ Requirements: Minimum 6 lat doświadczenia w QA i testowaniu oprogramowania, Minimum 3 lata doświadczenia jako Senior Test Engineer, Test Lead, Senior QA lub Architekt Testów, Wykształcenie wyższe informatyczne lub pokrewne, Znajomość Selenium, Znajomość Appium, Znajomość JMeter, Znajomość Cucumber, Doświadczenie z CI/CD, Znajomość Jenkins lub GitLab CI, Znajomość Java, Python lub JavaScript, Znajomość Agile, Znajomość DevOps, Doświadczenie w testach wydajnościowych i bezpieczeństwa, Znajomość OWASP, Umiejętność mentoringu i współpracy z międzynarodowymi zespołami, Certyfikat ISTQB Advanced Level 📃 Skills: Selenium, Appium, JMeter, Cucumber, Jenkins, GitLab, Java, Python, JavaScript, Agile, DevOps, OWASP, CI/CD, ISTQB, ITIL, ISO, DO-178C, IEC62304 🏢 Description: Dla klienta z branży lotniczej , która rozwija i utrzymuje zaawansowane systemy IT wspierające zarządzanie ruchem lotniczym oraz bezpieczeństwo przestrzeni powietrznej poszukujemy Senior Test Engineera. Poszukujemy doświadczonego specjalisty, który będzie odpowiedzialny za budowę strategii testów, rozwój automatyzacji oraz zapewnienie najwyższych standardów jakości w projektach realizowanych w środowisku o wysokich wymaganiach dotyczących bezpieczeństwa i niezawodności. Twoje zadania Opracowywanie i rozwijanie kompleksowej strategii testów obejmującej testy funkcjonalne, integracyjne, wydajnościowe, bezpieczeństwa oraz niefunkcjonalne. Projektowanie i rozwój skalowalnych frameworków automatyzacji testów dla aplikacji webowych, API oraz mobilnych. Integracja testów automatycznych z procesami CI/CD oraz optymalizacja ich wydajności. Dobór i rekomendowanie narzędzi wspierających proces testowania i automatyzacji. Projektowanie procesów testowych zgodnych z wymaganiami regulacyjnymi oraz standardami jakości i bezpieczeństwa. Wsparcie oraz mentoring zespołów QA i deweloperskich w zakresie automatyzacji testów i dobrych praktyk. Identyfikacja ryzyk jakościowych, monitorowanie wskaźników jakości oraz raportowanie. Projektowanie i nadzorowanie testów wydajnościowych oraz bezpieczeństwa, wraz z rekomendowaniem działań usprawniających. Nasze oczekiwania Minimum 6 lat doświadczenia w obszarze QA i testowania oprogramowania, w tym co najmniej 3 lata na stanowisku Senior Test Engineera/ Test Leada/ Senior QA/Architekta Testów Wykształcenie wyższe informatyczne lub pokrewne. Bardzo dobra znajomość narzędzi do automatyzacji testów, takich jak Selenium, Appium, JMeter czy Cucumber . Doświadczenie z rozwiązaniami CI/CD (np. Jenkins, GitLab CI). Znajomość przynajmniej jednego języka programowania: Java, Python lub JavaScript . Znajomość metodyk Agile, DevOps oraz procesów wytwarzania oprogramowania. Doświadczenie w testach wydajnościowych i bezpieczeństwa oraz znajomość dobrych praktyk ( m.in . OWASP). Znajomość wymagań związanych z traceability, audytowalnością oraz standardów jakości (ISO/IEC, DO-178C, IEC 62304 będzie dodatkowym atutem). Umiejętność prowadzenia warsztatów, mentoringu oraz efektywnej współpracy z międzynarodowymi zespołami. Certyfikat ISTQB Advanced Level (Test Manager lub Test Automation Engineer). Certyfikat ITIL Foundation będzie dodatkowym atutem. Oferujemy Pracę w modelu zdalnym Możliwość projektowania i rozwijania standardów jakości w dużych, nowoczesnych projektach IT. Współpracę z doświadczonymi ekspertami oraz realny wpływ na kierunek rozwoju rozwiązań. Możliwość rozwoju zawodowego oraz udziału w innowacyjnych projektach. Preferencyjne pakiety do wykupienia w programach Multisport oraz Lux Med . Przyjazną atmosferę pracy i dużą samodzielność w realizacji powierzonych zadań.

🏢 Summary: Senior Virtualisierungsspezialist zur Verwaltung, Optimierung und Weiterentwicklung hochverfügbarer virtualisierter Plattformen. Verantwortung für den Betrieb von VMware (vSphere, ESXi) und/oder Proxmox sowie für Fehleranalyse, Performance-Optimierung und Integration in bestehende Infrastruktur- und Sicherheitsarchitekturen. Enge Zusammenarbeit mit Infrastruktur- und Netzwerkteams in sicherheitskritischen Umgebungen. 🗂️ Requirements: Mehrjährige praktische Erfahrung in Virtualisierung, Fundierte Betriebserfahrung mit VMware vSphere und ESXi oder Proxmox, Erfahrung in Fehleranalyse und Performance-Optimierung, Verständnis von Hochverfügbarkeitskonzepten, Kenntnisse in Plattform-Sicherheitsarchitekturen, Sehr gute Deutschkenntnisse (C1) 📃 Skills: Virtualisierung, VMware, vSphere, ESXi, Proxmox, Hochverfügbarkeit, Sicherheitsarchitektur, Performanceanalyse, Troubleshooting 🏢 Description: Einführung & Zusammenfassung: Für die effiziente Verwaltung und Integration hochverfügbarer Plattformen suchen wir einen erfahrenen Senior Virtualisierungsspezialisten. Die ideale Kandidatin oder der ideale Kandidat bringt umfangreiche praktische Erfahrung in der Virtualisierung mit, insbesondere mit VMware und Proxmox, sowie Kenntnisse in Fehleranalyse und Performance-Optimierung. Die Rolle erfordert auch ein tiefes Verständnis für Hochverfügbarkeit und Sicherheitsarchitekturen. Hauptverantwortlichkeiten: Überwachung, Analyse und Weiterentwicklung virtualisierter Umgebungen. Betrieb und Management von VMware (vSphere, ESXi) und/oder Proxmox. Durchführung von Fehleranalysen, Performance-Optimierungen und Stabilitätsmaßnahmen. Integration virtueller Lösungen in bestehende Infrastruktur- und Sicherheitsarchitekturen. Enge Zusammenarbeit mit Infrastruktur- und Netzwerkteams. Anforderungen: Mehrjährige praktischen Erfahrung in der Virtualisierung. Fundiertes Betriebswissen (keine rein theoretischen Profile). Gutes Verständnis für Hochverfügbarkeit und Plattform-Sicherheit. Sehr gute Deutschkenntnisse (mindestens C1-Niveau). Wünschenswerte Qualifikationen: Kenntnisse in Cloud-Umgebungen. Erfahrung mit Backup- und Wiederherlösungssystemen. Vertrautheit mit Automatisierungstools. Sonstige Details Aufgrund unserer Zusammenarbeit mit Kunden im Bereich kritischer Infrastrukturen kann eine Sicherheitsüberprüfung nach Sicherheitsüberprüfungsgesetz (SÜG) erforderlich sein. Wir freuen uns auf Ihre Bewerbung!

🏢 Summary: Senior Test Engineer role focused on designing and developing automated tests for embedded systems in industrial automation projects. The position involves building Python-based test frameworks and validating system functionality in Unix/Linux/QNX environments, with emphasis on networking and communication protocols. Hybrid work model with B2B contract. 🗂️ Requirements: 5+ years of embedded systems testing experience, Proficiency in Python, Experience with test automation frameworks, Hands-on experience with Unix/Linux/QNX, Strong knowledge of networking concepts, Understanding of communication protocols 📃 Skills: Python, Unix, Linux, QNX, Networking, Protocols, Automation, Embedded 🏢 Description: We are looking for an experienced Test Engineers (mid/senior) to join a newly established team at our client – a global industrial automation company developing the next generation of industrial I/O modules. Key responsibilities Designing and executing test scenarios for embedded firmware used in industrial I/O modules Verifying system functionality and communication between embedded devices Analyzing network traffic and troubleshooting communication issues Developing and maintaining automated test scripts in Python Collaborating with firmware and hardware engineers throughout the product development lifecycle Ideal candidate profile 3-5 years of experience in embedded systems testing Experience testing embedded firmware Good understanding of networking concepts and network traffic analysis Basic programming skills in Python Familiarity with Ladder is a plus Experience with industrial communication protocols, such as CIP, is a plus Experience working with Linux or other embedded environments English proficiency at B2 level or higher (daily communication with international teams) Conditions B2B contract: 120 – 130 PLN / h net + VAT Hybrid work model (Katowice office: 3 days onsite, 2 days remote) Benefits: private medical care, sport card, life insurance Recruitment steps Phone call with Recruiter (Aleksandra) Technical verification call by the client Interview with the client Feedback and decision

🏢 Summary: Senior SDET role on a long-term healthcare transformation project focused on replacing manual, flaky regression testing with scalable automation. The engineer will build TypeScript-based test frameworks, strengthen CI/CD quality practices, and lead testing strategy across E2E, API, integration, and service layers. 🗂️ Requirements: Commercial experience as a Senior SDET, Senior QA Automation Engineer, or similar, Production-grade software engineering skills, Strong TypeScript or comparable modern programming language skills, Automation framework development from scratch, Playwright or equivalent modern automation framework experience, API and integration testing experience, REST and contract testing experience, CI/CD engineering experience, Daily use of AI engineering tools, Ability to contribute to application codebases, Strong spoken and written English 📃 Skills: TypeScript, Playwright, REST, CI/CD, Claude, Copilot, Cursor 🏢 Description: Description Join a long-term healthcare project transforming traditional QA into an automation-first quality engineering practice. The testing landscape currently includes flaky regression suites and substantial manual testing; the role will help establish robust automation, modern tooling, and strong software engineering principles. This role is for an engineer who treats test automation as a software product and wants to influence architecture, CI/CD processes, testability, and engineering standards across the organization. What you will do • Design, build, and maintain a scalable test automation framework in TypeScript. • Create framework architecture including fixtures, test isolation, reusable components, and parallel execution strategies. • Improve CI/CD quality gates, trigger strategies, artifact management, and developer feedback loops. • Reduce test flakiness through systematic analysis, tooling, and framework improvements. • Design and implement API, integration, and contract testing solutions. • Collaborate with developers to improve application testability and contribute directly to product code when needed. • Define and drive technical test strategy across E2E, API, and service-layer testing. • Use AI engineering tools such as Claude, Copilot, and similar solutions to accelerate delivery and quality analysis. • Enable engineering teams to own quality through standards, patterns, and reusable libraries. • Generate audit-ready QMS documentation including traceability matrices, test plans, and test reports. What we are looking for • Commercial experience as a Senior SDET, Senior QA Automation Engineer, or similar role. • Strong software engineering fundamentals and ability to write production-grade code. • Strong TypeScript skills or comparable experience with a modern programming language. • Experience building and maintaining automation frameworks from scratch. • Hands-on experience with Playwright or an equivalent modern automation framework. • Strong API and integration testing experience. • Experience with REST and contract testing. • CI/CD engineering experience, including quality gates, artifact management, and pipeline reliability. • Daily usage of AI engineering tools such as Claude, Copilot, or Cursor. • Ability to contribute directly to the application codebase. • Strong spoken and written English. Nice to have • Experience in regulated environments such as medical devices, IVD, healthcare, or pharma. • Knowledge of risk-based exploratory testing approaches. • Performance and load testing experience with k6, JMeter, or Gatling. • Experience with Azure, AWS, containers, or Infrastructure as Code. • Clinical laboratory or IVD domain knowledge. • Experience with Allure TestOps, Xray, or Zephyr. Perks and benefits • Comprehensive benefits: Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers. • Career growth opportunities, professional development, and learning, including access to benefits related to partnerships with Microsoft, AWS, Snowflake, Salesforce, and more. • Global collaboration with a diverse, international team. • Innovative, forward-thinking, growth-oriented work environment. • Engaging community with team-building events, hackathons, and CSR initiatives. • Team-building events, including an annual company event in Mazury. • Welcome pack at the start of the journey.

🏢 Summary: Senior Software Engineer role focused on building and scaling a high-performance, AI-supported trade management platform using C#/.NET in distributed, event-driven systems. The position involves designing scalable backend services, optimizing performance, and collaborating in a multi-language environment including Rust. Strong emphasis is placed on scalability, reliability, and cloud efficiency in production systems. 🗂️ Requirements: 5+ years of software engineering experience, Strong C#/.NET experience in production systems, Strong system design fundamentals, Strong knowledge of concurrency, Experience with performance optimization, Experience with distributed systems, Experience with cloud platforms (AWS preferred), Willingness to work with Rust, Practical use of AI tools in development workflows 📃 Skills: C#, .NET, Rust, AWS, Kafka, RabbitMQ, AI, Concurrency, DistributedSystems, Cloud, SystemDesign 🏢 Description: Senior Software Engineer C# (AI-driven systems) We are looking for an experienced Software Engineer with strong expertise in C#/.NET and a solid understanding of system design, who is open to working in a modern, multi-language environment that includes Rust. This role focuses on building and scaling a high-performance trade management platform processing large volumes of data in distributed, event-driven systems. You will work in a highly performance-driven environment with a strong emphasis on scalability, reliability, and engineering excellence. Key Responsibilities Develop and optimize high-performance backend systems in C#/.NET Design and maintain scalable distributed services Collaborate with Rust engineers and contribute to cross-language system development Use AI tools to accelerate development, testing, and debugging Own solutions end-to-end, from design through to production Improve system performance, reliability, and cloud efficiency Requirements 5+ years of experience in software engineering Strong C#/.NET development experience (production systems) Strong fundamentals in system design, concurrency, and performance Willingness to work with Rust in a production environment Experience with distributed systems and cloud platforms (preferably AWS) Practical use of AI tools in development workflows Nice to have Experience with messaging systems (Kafka, RabbitMQ, etc.) Exposure to financial systems or trading environments 2. Senior Rust Engineer (AI-driven systems) We are looking for an experienced Rust Engineer who combines strong systems engineering skills with a modern, AI-supported development approach, and is open to working in a multi-language environment that includes C#/.NET. This role focuses on building and scaling a high-performance trade management platform processing large volumes of data in distributed, event-driven architectures. The environment is highly performance-focused, with strong requirements around scalability, reliability, and low-latency processing. Key Responsibilities Develop and optimize high-performance backend systems in Rust Design and maintain scalable distributed services Collaborate with C# engineers and contribute to cross-stack system design Use AI tools to accelerate development, testing, and debugging Own solutions end-to-end, from architecture to production Improve system performance, reliability, and cloud efficiency Requirements 5+ years of experience in software engineering Strong Rust experience in production systems Strong fundamentals in system design, concurrency, and performance Willingness to work with C#/.NET in a hybrid environment Experience with distributed systems and cloud platforms (preferably AWS) Practical use of AI tools in development workflows Nice to have Experience with messaging systems (Kafka, RabbitMQ, etc.) Exposure to financial systems or trading environments

🏢 Summary: Senior Software Engineer contract focused on migrating and stabilizing business-critical insurance and pension integrations across legacy and hybrid services. The role owns migration flows end to end, ensuring safe cutovers, rollback readiness, production issue resolution, and minimal business disruption. 🗂️ Requirements: Proven legacy enterprise migration delivery, Production IIS and WCF or ASMX cutover experience, C# and .NET Framework 4.x experience, WCF, SOAP and ASMX maintenance and migration, IIS deployment and troubleshooting, Windows Services and Task Scheduler operations, SQL Server troubleshooting and secure configuration handling, IBM MQ troubleshooting and backlog handling, PowerShell automation, TFS and Git workflow experience, PKI knowledge, Rollback strategy and execution experience, Ability to work independently in complex legacy environments 📃 Skills: C#, .NET, WCF, SOAP, ASMX, IIS, Windows, SQL, MQ, PowerShell, TFS, Git, CI/CD, PKI 🏢 Description: Start date: 2026-09-07 End date: 2026-12-31 Position Summary We are hiring a Senior Software Engineer to execute migration and stabilization work across business-critical insurance and pension integrations in our platform. Role Type and Scope • Individual contributor role with end-to-end technical ownership for assigned migration flows • Expected to work independently in complex legacy environments • Collaborates with infrastructure, DBA, MQ, and operations teams • No people management responsibility Core Mission Deliver safe and fast migration outcomes for legacy and hybrid services, with minimal business disruption and clear rollback readiness. Mandatory Technical Skills • C# and .NET Framework 4.x (3.5 exposure is a plus) • WCF, SOAP, ASMX service maintenance and migration • IIS deployment and troubleshooting (application pools, bindings, config) • Windows Services and Task Scheduler based batch operations • SQL Server troubleshooting and secure configuration handling • IBM MQ integration fundamentals (connectivity, queue and channel diagnostics) • PowerShell automation for deployment, verification, and operations • TFS & Git based workflows and CI/CD pipeline collaboration • General knowledge on PKI (Public Key Infrastructure) Preferred Technical Skills Candidate should have at least 2 of the following: • C or C++ maintenance in Windows service environments • Mainframe adjacent integration patterns (EBCDIC and file bridge patterns) • Container and Kubernetes exposure for coexistence with modern APIs • Production observability and incident response in regulated environments • Legacy security hardening (service accounts, encrypted settings portability) Key Responsibilities • Execute migration tasks across legacy and modern components • Validate environment parity and eliminate runtime blockers before cutover • Diagnose and fix production critical issues in services, queues, and integrations • Build and run end-to-end migration verification and rollback tests • Produce concise runbooks and deployment notes for repeatable execution • Ensure all acceptance criteria are met before go or no-go decisions Candidate Evidence We Want • Proven migration delivery in legacy enterprise systems with low incident impact • Direct IIS plus WCF or ASMX cutover experience in production • Practical MQ troubleshooting and backlog handling under pressure • Clear examples of rollback strategy and execution in real releases • Demonstrated ability to balance migration speed with operational safety