Senior Java QA Engineer

🏢 Summary: Senior Java Developer role focused on building and maintaining large-scale backend systems for travel and transactional operations, including booking, ticketing, pricing, and system integration. The position involves developing microservices, REST APIs, and gRPC services using Java and Spring Boot in a cloud-native GCP and Kubernetes environment. The role also includes CI/CD support, troubleshooting, code reviews, mentoring, and collaboration with QA, SRE, and Product teams. 🗂️ Requirements: 6+ years of experience with Java, Experience with Spring Boot, Experience building microservices, Experience with REST APIs, Experience with gRPC services, Hands-on experience with GCP, Hands-on experience with Docker, Hands-on experience with Kubernetes, Knowledge of GitHub, Knowledge of Jenkins or GitHub Actions, Familiarity with Prometheus, Familiarity with Stackdriver or Cloud Monitoring, Basic scripting skills in Python or Bash, Experience with WireMock, Experience with performance testing, English proficiency, Polish proficiency, Legal work permit in Poland 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, gRPC, GCP, Docker, Kubernetes, GitHub, Jenkins, GitHubActions, Prometheus, Stackdriver, CloudMonitoring, Python, Bash, WireMock 🏢 Description: Senior Java Developer Project info: A large-scale, highly complex initiative focused on the development and maintenance of core internal systems. The project ensures seamless communication and integration between various backend components responsible for critical, high-volume travel and transactional operations. Key Functional Areas: System Integration: Facilitating robust and efficient communication between internal microservices and proprietary components. Booking & Ticketing Lifecycle: Supporting core transactional flows, including ticket reservations, refunds, and exchanges. Search & Optimization: Powering backend algorithms designed to find and generate the most optimal flight connections. Financial Calculations: Handling complex pricing engines, fare structures, and diverse cost-assessment calculations. Responsibilities: Design, develop, test and maintain backend applications using Java and Spring Boot. Build and support RESTful APIs and gRPC services. Develop solutions deployed on Google Cloud Platform (GCP) and Kubernetes. Collaborate with QA, SRE, and Product teams. Participate in CI/CD processes, deployments, and production support. Provide support during release cycles, including smoke testing, manual validation. Troubleshoot issues using logs, metrics, and monitoring tools. Conduct code reviews, mentor junior developers, and participate in an on-call rotation. Requirements: 6+ years of experience with Java and Spring Boot. Experience building microservices, REST APIs, and gRPC services. Hands-on experience with GCP, Docker, and Kubernetes. Knowledge of GitHub, Jenkins, or GitHub Actions. Familiarity with monitoring tools such as Prometheus and Stackdriver/Cloud Monitoring. Basic scripting skills in Python or Bash. Experience with WireMock and performance testing. Communicative proficiency in both English and Polish. Must possess a legal work permit in Poland Benefits: General benefits Hybrid work model combining office & remote work Attractively located office with collaboration spaces Onsite parking space for employees Referral program with financial bonus Life Insurance Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion Health benefits: Private medical care - Platinum Package

🏢 Summary: Senior Java Developer role focused on building and maintaining a high-performance airline retailing and merchandising platform with personalized offers, dynamic pricing, and real-time shopping experiences. The position involves developing scalable cloud-native services, integrating microservices, and supporting booking, ticketing, search optimization, and pricing systems using Java and GCP technologies. The role also includes collaboration with SRE, security, and product teams in an Agile environment. 🗂️ Requirements: 6+ years of professional software development experience, Strong expertise in Java, Experience with Enterprise Java, Experience with Spring Boot, Knowledge of REST web services, Knowledge of JSON, Knowledge of XML, Knowledge of SOAP, Experience with Google Cloud Platform, Experience with Kubernetes deployments, Experience with CI/CD pipelines, Knowledge of Unix/Linux, Ability to troubleshoot production and test environments, Experience translating business requirements into technical designs, Familiarity with Agile/Scrum methodologies, Communicative English, Communicative Polish, Legal work permit in Poland 📃 Skills: Java, Spring, SpringBoot, REST, JSON, XML, SOAP, GCP, GKE, Kubernetes, CI/CD, Linux, Unix, DevOps, Rally, Scrum 🏢 Description: Project info: The airline retailing and merchandising platform enables airlines to create personalized offers and dynamic pricing for customers. The team is responsible for delivering a modern, omni-channel, real-time retailing shopping experience and reducing costs through consolidation of common components, including offer management systems. This is an opportunity to work on a critical and operationally complex high-performance product that interacts with several mission-critical products. The role provides exposure to high-performing products and opportunities for career growth. Quick Facts: - System Integration: Facilitating robust and efficient communication between internal microservices and proprietary components. - Booking & Ticketing Lifecycle: Supporting transactional flows including reservations, refunds, and exchanges. - Search & Optimization: Developing backend algorithms to generate optimal flight connections. - Financial Calculations: Handling pricing engines, fare structures, and cost-assessment calculations. Responsibilities: - Design, code, test, and build high-quality enterprise software according to requirements. - Leverage AI-assisted development tools to improve coding efficiency, code comprehension, and test generation. - Perform unit testing and maintain code quality, security, and performance standards. - Design, build, deploy, and operate scalable services using Google Cloud Platform (GCP). - Collaborate with platform, security, and SRE teams to align solutions with cloud, security, and reliability standards. - Support the Technical Product Manager in preparing and refining requirements. - Provide input to story prioritization, technical tradeoffs, estimation, and sizing activities. - Participate in Scrum ceremonies, release planning, and technical reviews. - Update status in Rally and contribute to improving engineering and DevOps practices. Requirements: - Minimum 6+ years of professional software development experience. - Strong expertise in Java / Enterprise Java and Spring Boot. - Solid knowledge of REST, JSON, XML, and SOAP web services. - Experience with Google Cloud Platform services including Compute/GKE, networking, security, storage, messaging, and monitoring tools. - Familiarity with containerized and cloud-native architectures, including Kubernetes. - Experience with CI/CD pipelines and cloud-integrated DevOps practices. - Solid Unix/Linux knowledge. - Ability to troubleshoot issues in test and production environments. - Experience translating business requirements into technical designs and documentation. - Familiarity with Agile/Scrum methodologies and shift-left testing. - Communicative English and Polish. - Legal work permit in Poland. Benefits: - Hybrid work model combining office and remote work. - Attractively located office with collaboration spaces. - Onsite parking space. - Referral program with financial bonus. - Life insurance. - Development budget including language courses. - Access to internal learning platform and professional training. - Access to MyBenefit platform including Multisport. - Team building activities. - Charity initiatives. - Inclusive and diverse working environment. - Private medical care – Platinum Package.

🏢 Summary: Senior QA Engineer role focused on Java-based API test automation for CMS and digital asset management products within the ETSL project. The position involves building and maintaining automated tests, supporting CI/CD processes, and ensuring high product quality in a fully remote environment. The engineer will also maintain test infrastructure and contribute to defect analysis and resolution. 🗂️ Requirements: Minimum 4 years of experience in Java and API test automation with RestAssured, Basic experience with TypeScript or JavaScript, Experience with Cypress or Playwright for end-to-end testing, Knowledge of SQL or NoSQL databases and data validation, Experience with version control systems, Familiarity with CI/CD tools and processes, Ability to build and debug applications locally for defect investigation 📃 Skills: Java, RestAssured, TypeScript, JavaScript, Cypress, Playwright, SQL, NoSQL, Git, CICD, API 🏢 Description: contract: B2B salary: 170 pln/h + VAT mode: 100% remote We are seeking a Senior QA Engineer with a robust background in Java and API test automation to join our remote team. This role entails the development and maintenance of key products within our ETSL project, including a content management system and digital asset management tools. The ideal candidate will possess a keen eye for detail and strong analytical skills, ensuring high-quality outcomes in a collaborative, remote environment. Responsibilities: Develop and execute automated tests to ensure product quality. Collaborate with cross-functional teams to enhance product functionality. Investigate defects and reproduce issues for resolution. Participate in continuous integration and delivery processes. Maintain and improve test infrastructure and tools. Guide junior team members in quality assurance practices. Document and report test results effectively. Analyze and provide feedback on product features. Requirements: Solid experience in Java and API test automation using Rest Assured (at least 4 years) Basic experience with TypeScript or JavaScript Familiarity with Cypress or Playwright for end-to-end testing Knowledge of SQL or NoSQL databases and data validation Experience with code quality and version control tools Familiarity with CI/CD concepts and tools Ability to build and debug applications locally to investigate reported defects Very good analytical and problem-solving skills Clear and effective communication skills within the team Very good level of English, both written and spoken Nice to have: Familiarity with Docker, Kubernetes and AWS

🏢 Summary: Expert Java Engineer role focused on building scalable, high-performance financial systems using microservices, cloud-native technologies, and distributed architectures in a hybrid Kraków-based environment. The position involves backend development, architecture contributions, CI/CD and Kubernetes operations, and collaboration with global engineering teams. Candidates with strong Java, cloud, and distributed systems expertise, especially in banking or capital markets, are preferred. 🗂️ Requirements: 5+ years of software engineering experience, Strong Java experience, Experience with REST APIs, Experience with microservices architecture, Experience with messaging systems, Strong SQL knowledge, Hands-on Kubernetes experience, Experience with cloud platforms, Knowledge of NoSQL databases, Experience with distributed systems, Experience with CI/CD pipelines, Experience with Agile methodologies, Understanding of scalability and high-availability architectures, Experience in banking or capital markets domain 📃 Skills: Java, REST, Microservices, RabbitMQ, SQL, Kubernetes, GCP, NoSQL, CI/CD, Agile, Go, Rust, ClickHouse 🏢 Description: We are looking for an Expert Java Engineer to join a global team building and evolving mission-critical financial systems. This role is ideal for an experienced back-end engineer who enjoys designing scalable solutions, influencing architecture, and working on high-performance distributed systems. We offer: 📍 Location: Kraków, Poland (Hybrid – 6–8 office visits per month)* 💰 Rate: Up to 190 PLN/h (B2B) * Hybrid Model Based in Kraków with 6–8 office days per month . Candidates living outside Kraków are welcome to apply. If you are willing to travel to the office, we will cover your travel and accommodation costs . Responsibilities: Design and develop scalable microservices and REST APIs. Build high-performance, highly available back-end applications. Develop and operate cloud-native solutions on Kubernetes and GCP. Contribute to architecture decisions and technical roadmaps. Optimize databases, integrations, and distributed systems. Drive engineering best practices across CI/CD, security, and software quality. Collaborate closely with business stakeholders and global engineering teams. Mentor developers and support technical delivery. We are looking for: 5+ years of professional software engineering experience. Strong hands-on experience with Java. Solid experience with REST APIs and microservices architecture. Experience with messaging systems (RabbitMQ or similar). Strong SQL database knowledge. Hands-on experience with Kubernetes. Experience working with cloud platforms (preferably GCP). Knowledge of NoSQL databases and distributed systems. Experience with CI/CD pipelines and Agile methodologies. Strong understanding of scalability, performance, and high-availability architectures. Experience in the banking or capital markets domain, preferably related to trade lifecycle, post-trade processing, or FX products. Nice to Have Experience with Go or Rust. Experience with ClickHouse or other analytical databases. Front-end development experience. Knowledge of API governance. Experience with large-scale data processing environments. This role is not perfectly suited for you, but you have a friend who would fit? Recommend your friend and get up to 5000 zł! Referral Program: Talent from your network Don't hesitate and apply now! 32/6/2026/r/3612

🏢 Summary: Senior Java Engineer role focused on building a greenfield distributed backend platform in a manufacturing environment using microservices and event-driven architecture. The position involves developing scalable backend services, APIs, integrations, and contributing to system design for complex enterprise data flows. Candidates will work on performance, scalability, and reliability challenges in a high-tech production domain. 🗂️ Requirements: 5+ years in Java backend development, Strong understanding of backend systems and microservices, Experience with REST APIs and distributed systems, Knowledge of concurrency and scalable system design, Solid SQL and database design skills, Experience with system integrations, Ability to work in fast-moving, ambiguous environments 📃 Skills: Java, Microservices, REST, SQL, APIs, Concurrency, ETL, ERP, IoT, MES 🏢 Description: We are looking for a Senior Java Engineer to join a greenfield distributed backend platform within a complex manufacturing environment. The role involves building backend services , APIs , and integrations in an event-driven architecture with a strong focus on scalability , system design , and distributed systems challenges. ✅ Your responsibilities: Develop backend services within a microservices architecture Build and maintain APIs and system integrations Implement workflow, event processing, and data-driven components Contribute to system design and architecture decisions Optimize for performance, scalability, and reliability Work with complex production and enterprise data flows 🧠 Our requirements: 5+ years in Java backend development Strong understanding of backend systems and microservices Experience with REST APIs and distributed systems Knowledge of concurrency and scalable system design Solid SQL and database design skills Experience with system integrations Ability to work in fast-moving, ambiguous environments ⭐ Nice to have: Exposure to manufacturing / MES / IoT systems Experience with event-driven architecture Familiarity with ETL / data pipelines Experience integrating ERP / enterprise systems 🌟 What we offer: Private healthcare Multisport Life insurance Opportunity to build a greenfield distributed platform from scratch Real influence on architecture and technical direction Work in a high-tech manufacturing domain (photonics / hardware systems) Collaboration with experienced system engineers

🏢 Summary: Senior Java Engineer role focused on building a greenfield distributed backend platform in a complex manufacturing environment. The position involves developing microservices, APIs, and integrations within an event-driven architecture, with strong emphasis on scalability, performance, and system design. The engineer will contribute to architectural decisions and work with complex enterprise data flows. 🗂️ Requirements: 5+ years of Java backend development experience, Strong knowledge of backend systems and microservices, Experience with REST APIs, Experience with distributed systems, Understanding of concurrency, Scalable system design knowledge, Solid SQL skills, Database design skills, Experience with system integrations, Ability to work in fast-moving, ambiguous environments 📃 Skills: Java, REST, SQL, Microservices, DistributedSystems, Concurrency, ETL, ERP, MES, IoT 🏢 Description: We are looking for a Senior Java Engineer to join a greenfield distributed backend platform within a complex manufacturing environment. The role involves building backend services , APIs , and integrations in an event-driven architecture with a strong focus on scalability , system design , and distributed systems challenges. ✅ Your responsibilities: Develop backend services within a microservices architecture Build and maintain APIs and system integrations Implement workflow, event processing, and data-driven components Contribute to system design and architecture decisions Optimize for performance, scalability, and reliability Work with complex production and enterprise data flows 🧠 Our requirements: 5+ years in Java backend development Strong understanding of backend systems and microservices Experience with REST APIs and distributed systems Knowledge of concurrency and scalable system design Solid SQL and database design skills Experience with system integrations Ability to work in fast-moving, ambiguous environments ⭐ Nice to have: Exposure to manufacturing / MES / IoT systems Experience with event-driven architecture Familiarity with ETL / data pipelines Experience integrating ERP / enterprise systems 🌟 What we offer: Private healthcare Multisport Life insurance Opportunity to build a greenfield distributed platform from scratch Real influence on architecture and technical direction Work in a high-tech manufacturing domain (photonics / hardware systems) Collaboration with experienced system engineers

🏢 Summary: Senior Java Backend Engineer role focused on developing and maintaining Java applications for a global financial compliance solution, including AML and KYC systems. The position involves working in an agile, international team to design, integrate, and enhance cloud-based backend systems. Hybrid work model with on-site presence in Krakow required. 🗂️ Requirements: 5+ years of experience in Java development, Experience with Spring framework, Strong SQL skills, Experience with Oracle databases, Experience with MongoDB, Experience working in Linux environments, Bash scripting skills, Understanding of SDLC, Experience with CI processes, Ability to work on-site in Krakow 3 days per week, English proficiency B2 or higher 📃 Skills: Java, Spring, SQL, Oracle, MongoDB, Linux, Bash, Azure, Databricks, Git, GitLab, Nexus, Ansible, RPM, Denodo 🏢 Description: Join us as a Senior Java Backend Engineer . Experience with Azure Cloud and Databricks will be highly beneficial. Your primary responsibilities will include developing and maintaining Java-based applications for a global financial compliance solution. You will work in a highly collaborative, agile environment, partnering with colleagues from diverse backgrounds to design and integrate Anti-Money Laundering (AML) and Know Your Client (KYC) solutions that help protect our client from financial crime risks. The client operates in the financial services domain, focusing on regulatory compliance and risk management. Ready to launch your career in cloud engineering? Apply now and join our global team! This role offers a hybrid model, with 3 days per week working from the client's office in Krakow, Poland. Responsibilities Develop and maintain Java-based applications Drive continuous integration and improvements Contribute to architecture, standards, and guidelines for globally deployed software Support product management in driving the product roadmap Collaborate closely with the team to deliver robust, sustainable solutions aligned with business requirements and organizational standards Advise Business Analysts, Testers, and Management on technical matters Requirements 5+ years of experience developing Java applications (Spring framework is a plus) Solid SQL database skills (Oracle preferred; MongoDB experience is a plus) Comfortable working in a Linux server environment, including bash scripting Good understanding of application development and support lifecycle (SDLC) Well-developed business communication skills (written and verbal) Experience working as part of a global team Strong personal prioritization and time management skills Strong analytical, problem-solving, and synthesizing abilities Ability to communicate effectively in both written and spoken English (B2 level or higher) Ability to work 3 days per week in the Krakow office Nice to have Familiarity with MS Azure Cloud platforms, Databricks, Denodo Experience with DevOps tools (Git, GitLab Pipelines, Nexus, Ansible, RPM packaging) We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview We will reach out to selected candidates exclusively EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior QA Automation Engineer role focused on building and maintaining Java-based automated testing for a large-scale travel communication platform handling high-volume email and SMS notifications. The position covers API, integration and end-to-end testing, performance validation, and CI pipeline stability. You will ensure release readiness and system reliability for time-critical traveler communications. 🗂️ Requirements: Strong Java automation experience, Hands-on experience with JUnit or TestNG, Practical experience in REST API testing, Experience with REST-Assured, Experience with E2E testing tools, Experience with CI integration, Ability to design and maintain automated API and integration tests, Experience with contract testing, Experience measuring performance (latency, throughput), Experience managing test data and test environments, Experience with Git workflows 📃 Skills: Java, JUnit, TestNG, REST, REST-Assured, Playwright, Selenium, CI, Git, k6, JMeter, Gatling, API, E2E 🏢 Description: We are looking for a Senior QA Automation Engineer for our client, based in Kraków and surrounding areas. The project involves developing a large-scale communication platform in the travel industry that generates traveler documents and delivers time-critical notifications via email and SMS (over 1 million emails and approximately 100,000 SMS messages daily). The system is responsible for informing travelers about schedule changes, web check-in availability, and flight status (from 24 hours before departure up to the departure time), as well as collecting post-trip feedback. Design, implement and maintain Java‑based automated tests for APIs, integrations and end‑to‑end flows. Establish test data, environment strategies and reliable pipelines (stability, flakiness control). Measure performance (latency/throughput) and contribute to release readiness criteria. Collaborate with engineers and POs on defect triage, root cause analysis and quality dashboards. Strong Java automation skills (JUnit/TestNG), REST API testing (e.g., REST‑Assured) and CI integration Experience with E2E tooling (Playwright/Selenium) and contract testing; familiarity with Git workflows. Clear test documentation and communication skills Nice to have Experience with performance testing (k6/JMeter/Gatling). Familiarity with email/SMS deliverability testing and validation. Must possess a legal work permit in Poland General benefits - depends on the form of employment Hybrid work model combining office & remote work Attractively located office with collaboration spaces Onsite parking space for employees Referral program with financial bonus Life Insurance Budget for development (including language courses and others), clear career path with the possibility to gain experience in international environment Access to internal Learning Platform with multiple trainings oriented for professional growth Lifestyle benefits: Access to MyBenefit platform (Multisport included) Team Building activities Charity initiatives Working environment promoting diversity and inclusion Health benefits: Private medical care - Platinum Package

🏢 Summary: Long-term remote contract for a Senior Java Backend Engineer to design and develop a central data platform integrating transport systems using event-driven architecture and real-time stream processing. The role focuses on building scalable backend services, system integrations, and data streaming solutions in a cloud-based environment. Strong involvement in architectural decisions and high-quality code delivery is expected. 🗂️ Requirements: Minimum 6 years of experience in Java software development, Strong knowledge of Java, Commercial experience with Spring or Quarkus, Hands-on experience with Apache Kafka and Confluent, Experience with Event-Driven Architecture, Experience with Apache Flink and stream processing, Knowledge of Kafka Connect, Schema Registry and Avro, Experience with AWS services: Lambda, DocumentDB, S3, Ability to design scalable and high-performance integrations 📃 Skills: Java, Spring, Quarkus, Kafka, Confluent, Flink, AWS, Lambda, DocumentDB, S3, Avro, SchemaRegistry, KafkaConnect, REST, GraphQL 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko Senior Java Backend Engineer . Zakres obowiązków: Długofalowa współpraca z międzynarodową, topową firmą consultingową, świadczącą usługi IT dla dużych i średnich firm z różnorodnych sektorów jak automotive, finanse, bankowość czy produkcja. Praca przy rozwoju platformy pełniącej rolę centralnego źródła danych o przesyłkach, integrującej informacje z wielu systemów transportowych oraz różnych środków transportu. Projektowanie, rozwój, wdrażanie i utrzymanie rozwiązań opartych o architekturę event-driven oraz przetwarzanie danych w czasie rzeczywistym. Implementacja nowych funkcjonalności zgodnie z wymaganiami biznesowymi oraz realizacja zadań wynikających z planowanych sprintów. Rozwój i utrzymanie usług opartych o Java, Spring Framework oraz Quarkus. Budowa i rozwój rozwiązań wykorzystujących Apache Kafka, Confluent Platform oraz Apache Flink do przetwarzania strumieni danych. Projektowanie i rozwój integracji systemowych, API REST, GraphQL oraz rozwiązań analitycznych opartych o Snowflake. Praca z usługami chmurowymi AWS, w szczególności Lambda, DocumentDB, S3 oraz komponentami wspierającymi architekturę danych. Dbanie o wysoką jakość kodu, pokrycie testami, refaktoryzację oraz optymalizację wydajności rozwijanych rozwiązań. Proponowanie usprawnień architektonicznych oraz aktywny udział w podejmowaniu decyzji technicznych. Ścisła współpraca z interesariuszami technicznymi i biznesowymi oraz duża samodzielność w realizacji powierzonych zadań. Oczekujemy: Minimum 6 lat doświadczenia zawodowego w obszarze rozwoju oprogramowania z wykorzystaniem Java . Bardzo dobra znajomość Java oraz doświadczenie w pracy z Spring Framework i/lub Quarkus . Praktyczne doświadczenie z Apache Kafka , Confluent Platform oraz rozwiązaniami opartymi o Event-Driven Architecture. Doświadczenie w budowie i utrzymaniu aplikacji wykorzystujących Apache Flink oraz przetwarzanie strumieni danych. Znajomość zagadnień związanych z Kafka Connect, Schema Registry, Avro oraz zarządzaniem topicami i grupami konsumentów. Doświadczenie w pracy z usługami AWS , takimi jak Lambda, DocumentDB czy S3. Umiejętność projektowania skalowalnych i wydajnych rozwiązań integracyjnych. Mile widziane: doświadczenie z Terraform oraz znajomość Snowflake. Mile widziane: doświadczenie z BDD/Cucumber. Mile widziane: znajomość AsyncAPI oraz zagadnień związanych z asynchroniczną komunikacją pomiędzy systemami. Znajomość języka angielskiego na poziomie B2 lub C1 – umożliwiająca swobodną komunikację w międzynarodowym środowisku. Mile widziana dostępność ASAP; akceptowalny jest maksymalnie miesięczny okres wypowiedzenia ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 120 - 150 PLN netto/godz. + VAT. Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny proces rekrutacyjny - dwie rozmowy techniczne z managerami, online (każda maksymalnie po godzinie). Współpraca w pełni zdalna na terenie Polski. Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.

🏢 Summary: Senior Backend Engineer role focused on designing and developing scalable, reliable backend services using Java. The position involves working in a cross-functional team to build high-performance systems, improve architecture, and support CI/CD and production environments. 🗂️ Requirements: 5+ years Backend Engineering experience, Strong Java proficiency, Solid knowledge of databases and SQL, Experience with RESTful APIs, Experience with microservices architecture, Experience with high-load systems, Experience with Docker and Kubernetes, Experience with AWS or GCP, Knowledge of CI/CD pipelines, Understanding of Agile practices 📃 Skills: Java, SQL, REST, Microservices, Docker, Kubernetes, AWS, GCP, CI/CD, Golang, Python 🏢 Description: We are looking for a Senior Backend Engineer with strong Java experience to help us design and develop scalable solutions. You will work in a cross-functional team, building reliable services and contributing to the continuous improvement of our systems. This role is ideal for someone who enjoys solving complex problems and driving technical excellence. 💼 Responsibilities: Design, develop, and maintain backend features and services. Collaborate with teams to define requirements and integrate systems. Ensure performance, scalability, and reliability of applications. Contribute to CI/CD processes and support production systems. Write clear documentation and share knowledge within the team. ✅ Requirements: 5+ years of experience as a Backend Engineer, with strong Java skills (Golang/Python is a plus). Solid understanding of databases and SQL. Experience with RESTful API design, microservices, and high-load systems. Familiarity with Docker, Kubernetes, and cloud environments (AWS/GCP). Knowledge of CI/CD pipelines and Agile practices. Strong problem-solving and communication skills. 🎁 We offer: Stable employment in a fast-growing company. Flexible and remote-friendly working model. Health and wellbeing benefits. Learning and development opportunities. Modern equipment and comfortable work environment.