Software Engineer Performance

🏢 Summary: Senior Software Engineer role focused on designing, building, and supporting scalable applications in the financial domain within a small Agile team. The position covers the full software development lifecycle, including analysis, design, implementation, testing, deployment, and production support. It emphasizes microservices and event-driven architecture with strong engineering standards and ownership. 🗂️ Requirements: Minimum 5 years of professional software development experience, Strong knowledge of Java, Strong knowledge of Python, Hands-on experience with Spring Framework, Understanding of SOLID principles, Knowledge of Clean Code practices, Experience with DDD and BDD, Experience with SQL and NoSQL databases, Experience with PostgreSQL, Experience with MongoDB, Familiarity with microservices architecture, Experience with event-driven or streaming systems 📃 Skills: Java, Python, Spring, SQL, NoSQL, PostgreSQL, MongoDB, Microservices, EventDriven, SOLID, CleanCode, DDD, BDD 🏢 Description: Senior Software Engineer 📍 Kraków, Poland (hybrid – min. 2 days/week in the office) 🕒 Full-time | B2B 190-230PLN netto/h About the Role We are looking for an experienced Senior Software Engineer to join a global technology team delivering innovative digital solutions in the financial domain. In this role, you will work closely with a Development Manager and a small, cross-functional team to build and maintain scalable applications. You will be involved in the entire software development lifecycle – from analysis and design to deployment and production support. This is a hands-on role in a collaborative environment where teams take full ownership: “you build it, you support it.” Your Responsibilities Work in a small Agile team (4–6 people) with a dedicated Product Owner Translate business requirements into user stories and deliver them iteratively to production Design and implement high-quality, scalable solutions aligned with technical standards Participate in all stages of the development lifecycle, including testing and production support Identify and manage technical debt, balancing it with new feature development Collaborate closely with team members through pairing and knowledge sharing Contribute to a culture of continuous improvement and experimentation Required Skills & Experience Minimum 5 years of professional software development experience Strong knowledge of Java and Python Hands-on experience with Spring Framework Solid understanding of software engineering principles ( SOLID, Clean Code, DDD, BDD ) Experience with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB) Familiarity with microservices architecture Experience with event-driven systems / streaming technologies Strong communication skills in English (written and spoken) Ability to collaborate, mentor, and support other engineers Nice to Have Experience with JavaScript (Vue.js) Background in AI / Machine Learning / NLP / Data Science Knowledge of: Prompt Engineering LangChain / LangGraph Clean Architecture What You Can Expect Work in a globally distributed engineering organization Small, self-organizing teams with strong ownership Continuous delivery approach (no traditional sprints – focus on flow and frequent releases) Opportunity to work on cutting-edge AI-driven solutions Exposure to modern technologies and experimentation with new tools A collaborative culture where learning, pairing, and knowledge sharing are encouraged Benefits: Multisport Card and Luxmed Who We’re Looking For We value engineers who: Are curious, adaptable, and open to experimentation Enjoy solving complex problems with technology Take ownership and responsibility for their work Are comfortable stepping outside their specialization when needed See failure as a learning opportunity Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Senior Software Engineer role focused on DevOps, Platform Engineering and SRE, responsible for designing, developing and maintaining scalable microservices and platform solutions supporting development teams. The position covers full software lifecycle, production support, incident management and platform reliability. The role also involves technical mentoring and continuous platform improvement. 🗂️ Requirements: Higher education in Computer Science or related field, Minimum 8 years of experience in software development, Strong experience in DevOps, Platform Engineering or SRE, Strong knowledge of web services and HTTP, Knowledge of DNS, Knowledge of TLS, Knowledge of load balancers, Knowledge of reverse proxy, Knowledge of service mesh, Knowledge of API Gateway, Proficiency in at least one: Java, JavaScript, Python or Clojure, Experience with monitoring and observability tools, Experience handling critical production incidents, Ability to optimize performance and troubleshoot issues 📃 Skills: Java, JavaScript, Python, Clojure, HTTP, DNS, TLS, Grafana, InfluxDB, Linux, Unix, KVM, VMware, AWS, GCP, Azure, Docker, Kubernetes 🏢 Description: Software Engineer (DevOps / Platform Engineering / SRE) Poszukujemy doświadczonego Software Engineera , który dołączy do zespołu naszego klienta DHP. To rola dla osoby, która swobodnie porusza się na styku tworzenia oprogramowania, inżynierii platformowej oraz DevOps. Będziesz odpowiadać za projektowanie i rozwój rozwiązań wspierających zespoły deweloperskie, usprawniając ich codzienną pracę oraz zapewniając niezawodność i skalowalność platformy. Zakres obowiązków Współpraca z Product Ownerami w zakresie analizy wymagań i przekładania ich na konkretne zadania projektowe. Projektowanie, rozwój i utrzymanie skalowalnych mikroserwisów zgodnie z najlepszymi praktykami DevOps i Agile. Realizacja powierzonych zadań w pełnym cyklu życia oprogramowania – od projektu, przez implementację, po wdrożenie produkcyjne. Wsparcie środowisk produkcyjnych, analiza przyczyn incydentów oraz wdrażanie skutecznych rozwiązań eliminujących źródła problemów. Doradztwo techniczne dla użytkowników platformy oraz szybkie rozwiązywanie zgłaszanych problemów. Współpraca z zespołami IT i interesariuszami w celu ciągłego rozwoju platformy. Zarządzanie długiem technologicznym oraz dbanie o bezpieczeństwo i aktualność wykorzystywanych technologii. Mentoring mniej doświadczonych członków zespołu i aktywne dzielenie się wiedzą. Wymagania Wykształcenie wyższe informatyczne lub pokrewne. Minimum 8 lat doświadczenia w tworzeniu oprogramowania, ze szczególnym uwzględnieniem obszarów DevOps, Platform Engineering lub Site Reliability Engineering (SRE). Bardzo dobra znajomość działania usług internetowych i protokołu HTTP, w tym DNS, TLS, load balancerów, reverse proxy, service mesh oraz API Gateway. Bardzo dobra znajomość co najmniej jednego z języków programowania: Java, JavaScript, Python lub Clojure. Doświadczenie w pracy z narzędziami monitoringu i obserwowalności, takimi jak Grafana i InfluxDB. Umiejętność identyfikowania problemów, optymalizacji wydajności oraz proponowania usprawnień. Doświadczenie w obsłudze i rozwiązywaniu krytycznych incydentów produkcyjnych. Bardzo dobre umiejętności komunikacyjne oraz doświadczenie we współpracy z rozproszonymi zespołami. Gotowość do ciągłego rozwoju i poznawania nowych technologii. Mile widziane Znajomość systemów Linux/Unix oraz zagadnień sieciowych. Doświadczenie w pracy z technologiami wirtualizacji KVM lub VMware. Znajomość platform chmurowych AWS, GCP lub Azure. Doświadczenie z Dockerem i Kubernetesem. Oferujemy Współpracę z ekspertami z różnych regionów świata Stabilne zatrudnienie oraz atrakcyjne warunki wynagrodzenia Możliwości rozwoju kariery i udział w inicjatywach międzynarodowych Benefity: LuxMed, kafeteria MyBenefit Co zyskasz dzięki aplikacji na ofertę Antal? Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział. Kim jesteśmy? Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska. Sprawdź inne aktualne oferty pracy na: https://antal.pl/dla-kandydata Zaobserwuj nasz profil na LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Senior technical leadership role focused on defining and leading enterprise-wide performance and non-functional testing strategy for cloud-native platforms. The role involves integrating performance testing into CI/CD pipelines, driving resilience and scalability testing, and mentoring engineering teams across a large-scale transformation programme. 🗂️ Requirements: Experience in enterprise Performance & Non-Functional Testing, Expertise in testing strategy and governance, Experience with cloud-native testing, Knowledge of GCP, Experience with performance testing tools, Performance analysis and optimisation skills, Experience with containerised and serverless architectures, Knowledge of Infrastructure-as-Code, Strong scripting or programming skills, Experience with database and messaging performance testing, API and integration testing experience, Agile delivery experience, Technical leadership skills 📃 Skills: GCP, JMeter, Gatling, LoadRunner, NeoLoad, Python, Java, Scala, Cypher, Neo4j, Pub/Sub, MQ, GitLab, Docker, Kubernetes, IAM, AppDynamics, Datadog, DevSecOps, SaaS, CI/CD, IaC, ETL 🏢 Description: Performance & Non-Functional Testing Lead Join a large-scale technology transformation programme and help shape the performance, resilience and scalability of modern cloud-native platforms. We're looking for an experienced Performance & Non-Functional Testing Lead to own the end-to-end non-functional testing capability across a complex enterprise environment. This is a senior technical leadership role combining strategy, hands-on expertise and programme-wide ownership. What you'll do You'll define and drive the Performance & Non-Functional Testing strategy , ensuring cloud-based services are scalable, resilient and production-ready. Working closely with Architects, Engineering, DevOps, Product and Scrum teams, you'll embed non-functional testing into the delivery lifecycle and champion engineering best practices. Key responsibilities include: Defining the Performance & Non-Functional Testing strategy, roadmap and governance. Leading testing across load, stress, volume, resilience, failover, high availability (HA), disaster recovery (DR) and operational readiness scenarios. Owning tooling, environments, test planning, reporting and programme-wide quality metrics. Analysing performance results, identifying bottlenecks and driving remediation. Integrating Performance Testing into CI/CD pipelines and supporting shift-left delivery practices. Mentoring Performance Test Engineers and providing technical leadership across the programme. What you'll bring You'll have proven experience delivering Performance & Non-Functional Testing across complex enterprise environments, with expertise in: Enterprise Performance & Non-Functional Testing strategy and governance. Cloud-native testing, ideally within Google Cloud Platform (GCP) . Performance testing tools such as JMeter, Gatling, LoadRunner or NeoLoad . Performance analysis, profiling, monitoring and optimisation. Containerised and serverless architectures, Infrastructure-as-Code (IaC) and observability. Strong scripting or programming skills ( Python, Java, Scala or Cypher ). Database and messaging performance, including Neo4j/GDBMS, Pub/Sub and MQ . API, batch/ETL and integration testing. Agile delivery, stakeholder management and technical leadership. Nice to have Experience with GitLab CI/CD, Docker, Kubernetes, IAM platforms, AppDynamics, Datadog, GCP Monitoring, DevSecOps, SaaS testing , and establishing enterprise-wide Performance Testing standards and governance. If you're passionate about performance engineering, cloud technologies and driving quality across complex distributed systems, we'd love to hear from you. Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Hybrid B2B opportunity for a Senior or Lead Software Engineer focused on Big Data platforms within Risk & Compliance for a global banking environment. The role involves building scalable data processing solutions, ETL pipelines, and analytics platforms using Spark and Java/Scala in an Agile international team. Engineers will collaborate with architects, analysts, and data scientists while contributing to CI/CD, TDD, and large-scale surveillance and risk management systems. 🗂️ Requirements: Commercial experience with Apache Spark, Strong programming skills in Java, Strong programming skills in Scala, Experience building large-scale data processing solutions, Knowledge of software engineering best practices, Experience working in Agile environments, Ability to collaborate in international teams, Strong communication skills, English level B2 or higher 📃 Skills: Spark, Java, Scala, Hadoop, YARN, HDFS, Spring, Airflow, SQL, Elasticsearch, Python, GCP, Maven, Git, CI/CD, TDD, ETL, Agile 🏢 Description: Senior Software Engineer / Lead Software Engineer (Big Data) 📍 Location: Kraków, Poland 🏢 Work mode: hybrid, 2 days per week from the office 💰 Rate: 180-250 PLN/h B2B About the Project: Join a global technology team within the Risk & Compliance domain of a leading international banking organization. The team develops cutting-edge solutions that help protect customers and the business from financial crime, market abuse, identity threats, regulatory risks, and other compliance-related challenges. You will become part of a global Agile team responsible for building modern data platforms and big data solutions that support large-scale surveillance and risk management initiatives. This role offers the opportunity to work on highly impactful systems, collaborating with engineers, architects, analysts, and data scientists from around the world. Your Responsibilities: Collaborate with Product Owners and Business Analysts to understand business and stakeholder requirements Design, develop, and maintain data processing components and storage solutions Onboard new data sources and build scalable ETL/data processing pipelines Work closely with Data Scientists to productionize analytical models and solutions Develop software following CI/CD and Test-Driven Development (TDD) practices Partner with Solution Architects to validate and implement technical designs Perform unit testing and ensure high code quality standards Contribute to the continuous improvement of development processes and engineering practices Requirements: Must Have: Strong commercial experience with Apache Spark Solid programming experience in Java/Scala Experience building large-scale data processing solutions Understanding of software engineering best practices and Agile methodologies Strong communication skills and ability to work effectively in an international team English proficiency at B2 level or higher Nice to Have: Experience with Apache Hadoop (YARN, HDFS) Knowledge of Spring Framework Experience with Apache Airflow Experience working with SQL databases and Elasticsearch Python programming skills Experience deploying services on Google Cloud Platform (GCP) Familiarity with Maven and Git What We Offer: Benefits package: private healthcare ( LuxMed ), sports package ( Multisport ) Opportunity to work on global-scale Big Data solutions Collaboration with international teams and industry experts Modern technology stack and challenging engineering environment Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: B2B opportunity for a Production Engineering Specialist supporting mission-critical payment systems in a financial services environment. The role focuses on ensuring high availability, incident resolution, performance optimization, and system reliability in a hybrid SRE-driven setup. You will work with databases, Linux, Kubernetes, and automation tools in an Agile/DevOps environment. 🗂️ Requirements: Experience with SQL and Oracle (PL/SQL), Strong knowledge of Linux environments, Hands-on experience with Kubernetes, Experience with scripting or automation using Bash, Python, or Java, Knowledge of system monitoring and performance tuning tools, Understanding of OS, network, database, and application layers, Experience working with CI/CD pipelines, Experience in Agile/DevOps environments, Ability to support production systems and resolve incidents, English proficiency at B2+ level 📃 Skills: SQL, Oracle, PLSQL, Linux, Kubernetes, Bash, Python, Java, AppDynamics, Splunk, CI/CD, Agile, DevOps 🏢 Description: 📍 Location: Kraków, Poland (hybrid - 2 days per week in the office) 📄 B2B Contract: 80 - 110 PLN / hour We are looking for a Production Engineering Specialist to join an international project delivered for a large organization within the financial services sector. The team operates within the Payments IT department and is responsible for maintaining and supporting critical systems related to payment execution, messaging, orchestration, and financial compliance. This role focuses on ensuring high availability and stability of mission-critical systems in a dynamic, real-time environment. You will work across a wide range of technologies, from vendor solutions to in-house developed microservices, following Site Reliability Engineering (SRE) principles. Key Responsibilities: Provide end-to-end production support, including incident resolution and post-incident analysis Investigate and identify root causes of system issues and implement preventive solutions Deploy and maintain software releases and locally developed tools (e.g. Bash, Python, Java scripts) Support testing activities related to new implementations and system changes Collaborate with global stakeholders across multiple locations and teams Monitor system performance and optimize processes using modern technologies Design and implement improvements in system reliability, performance, and operational processes Analyze data to detect anomalies and support troubleshooting activities Contribute to continuous improvement initiatives within Agile / DevOps environment Participate in on-call rotations and support critical production environments Requirements: Experience in SQL / Oracle (PL/SQL) and database operations Strong knowledge of Linux environments Hands-on experience with Kubernetes Experience with scripting/automation (at least one: Bash, Python, or Java ) Understanding of system monitoring and performance tuning (e.g. AppDynamics, Splunk) Solid knowledge of application architecture layers (OS, network, database, application) Experience working in Agile / DevOps environments , including CI/CD pipelines Strong analytical and troubleshooting skills Ability to work under pressure and prioritize effectively in critical situations Good communication skills and ability to collaborate in international teams English proficiency at B2+ level Nice to Have: Experience in the payments or financial services domain Familiarity with configuration management tools (e.g. Puppet, Ansible) Experience with additional programming languages (e.g. Java, Python) Knowledge of automation and infrastructure-as-code practices What We Offer: Long-term cooperation on an enterprise-scale international project Work in a mission-critical, high-impact environment Opportunity to influence system stability and performance improvements Private medical care (LuxMed) & Multisport card Collaboration with experienced, international engineering teams Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Production Engineering Specialist role focused on maintaining and supporting mission-critical payment systems within a financial services environment. The position centers on ensuring high availability, stability, and performance of production systems following SRE principles in a hybrid, international setup. The role involves production support, automation, monitoring, and continuous improvement in an Agile/DevOps environment. 🗂️ Requirements: Experience with SQL and Oracle PL/SQL, Strong knowledge of Linux environments, Hands-on experience with Kubernetes, Experience with scripting or automation (Bash, Python, or Java), Knowledge of system monitoring and performance tuning, Understanding of OS, network, database, and application layers, Experience in Agile/DevOps environments, Experience with CI/CD pipelines, English proficiency at B2+ level 📃 Skills: SQL, Oracle, PLSQL, Linux, Kubernetes, Bash, Python, Java, AppDynamics, Splunk, CI/CD, DevOps, SRE 🏢 Description: 📍 Location: Kraków, Poland (hybrid - 2 days per week in the office) 📄 B2B Contract: 80 - 110 PLN / hour We are looking for a Production Engineering Specialist to join an international project delivered for a large organization within the financial services sector. The team operates within the Payments IT department and is responsible for maintaining and supporting critical systems related to payment execution, messaging, orchestration, and financial compliance. This role focuses on ensuring high availability and stability of mission-critical systems in a dynamic, real-time environment. You will work across a wide range of technologies, from vendor solutions to in-house developed microservices, following Site Reliability Engineering (SRE) principles. Key Responsibilities: Provide end-to-end production support, including incident resolution and post-incident analysis Investigate and identify root causes of system issues and implement preventive solutions Deploy and maintain software releases and locally developed tools (e.g. Bash, Python, Java scripts) Support testing activities related to new implementations and system changes Collaborate with global stakeholders across multiple locations and teams Monitor system performance and optimize processes using modern technologies Design and implement improvements in system reliability, performance, and operational processes Analyze data to detect anomalies and support troubleshooting activities Contribute to continuous improvement initiatives within Agile / DevOps environment Participate in on-call rotations and support critical production environments Requirements: Experience in SQL / Oracle (PL/SQL) and database operations Strong knowledge of Linux environments Hands-on experience with Kubernetes Experience with scripting/automation (at least one: Bash, Python, or Java ) Understanding of system monitoring and performance tuning (e.g. AppDynamics, Splunk) Solid knowledge of application architecture layers (OS, network, database, application) Experience working in Agile / DevOps environments , including CI/CD pipelines Strong analytical and troubleshooting skills Ability to work under pressure and prioritize effectively in critical situations Good communication skills and ability to collaborate in international teams English proficiency at B2+ level Nice to Have: Experience in the payments or financial services domain Familiarity with configuration management tools (e.g. Puppet, Ansible) Experience with additional programming languages (e.g. Java, Python) Knowledge of automation and infrastructure-as-code practices What We Offer: Long-term cooperation on an enterprise-scale international project Work in a mission-critical, high-impact environment Opportunity to influence system stability and performance improvements Private medical care (LuxMed) & Multisport card Collaboration with experienced, international engineering teams Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Hybrid Backend Engineer role focused on designing and building scalable, fault-tolerant backend systems within a microservices and event-driven architecture. The position involves developing secure, production-ready APIs, contributing to modern cloud-native infrastructure, and ensuring high code quality and best practices. You will also support architectural evolution and deliver end-to-end business solutions in a DevOps-driven environment. 🗂️ Requirements: Strong experience with Java 8+, Proficiency in Spring Framework, Spring Boot, Spring Cloud, Hands-on experience with Kubernetes and Docker, Experience with public cloud platforms, Knowledge of Microservices Architecture, Knowledge of Event-Driven Architecture, Experience designing REST and GraphQL APIs, Experience with SQL and NoSQL databases, Experience with messaging systems, Understanding of security mechanisms (JWT, OAuth, TLS), Experience with CI/CD pipelines and DevOps tools, Knowledge of design patterns and scalable system design, Ability to deliver end-to-end backend applications 📃 Skills: Java, Spring, SpringBoot, SpringCloud, Kubernetes, Docker, REST, GraphQL, SQL, NoSQL, Oracle, PostgreSQL, MySQL, MongoDB, Cassandra, Kafka, RabbitMQ, IBMMQ, JWT, OAuth, TLS, Jenkins, GitLab, Microservices, CI/CD, Cloud 🏢 Description: Backend Engineer (Hybrid – 2 days/week in the office) We are looking for an experienced Backend Engineer to join a high-performing engineering team. In this role, you will be responsible for building scalable, high-quality backend systems and contributing to modern architecture initiatives. Responsibilities Design and develop highly scalable, performant, and fault-tolerant applications Contribute to the evolution of Microservices and Event-Driven Architecture Collaborate with Solution Architects and Tech Leads to translate technical designs into production-ready solutions Design systems with a strong focus on security, infrastructure, and data governance standards Contribute to system and API design, ensuring modularity and maintainability Ensure coding standards and promote best practices in development, testing, and documentation Mentor junior engineers, conduct code reviews, and provide technical leadership Ensure compliance with relevant controls, standards, and service management practices Deliver high-quality solutions on time, aligned with business expectations Support team engagement, ownership, and a sustainable, high-quality delivery pace Requirements Strong experience with Java 8+ , Spring Framework , Spring Boot , Spring Cloud Hands-on experience with Kubernetes , Docker , databases, and public cloud platforms Deep understanding of Microservices Architecture and Event-Driven Architecture Strong knowledge of design patterns and principles (focus on scalability and maintainability) Expertise in designing and developing APIs ( REST , GraphQL ) Experience with both SQL and NoSQL databases (e.g. Oracle, PostgreSQL, MySQL, MongoDB, Cassandra) Experience with messaging/middleware technologies (e.g. Kafka, IBM MQ, RabbitMQ) Understanding of security mechanisms (JWT, OAuth, TLS, authentication & authorization) Experience with DevOps tools and CI/CD pipelines (e.g. Jenkins, GitLab, Kubernetes, Docker) Proven experience in technical leadership and working with cross-functional teams Ability to deliver end-to-end business applications with high quality and low maintenance overhead Basic understanding of frontend-backend integration Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Backend engineering role focused on designing, developing, and deploying scalable microservices-based applications in a continuous delivery environment. The position involves building production-ready systems, contributing to architecture decisions, and ensuring high performance and maintainability. The role requires close collaboration within globally distributed teams to deliver high-quality digital solutions. 🗂️ Requirements: Proven experience in backend software engineering, Hands-on experience with microservices architecture, Experience delivering production-ready applications, Experience with continuous delivery and frequent releases, Experience building and maintaining RESTful APIs, Strong experience with PostgreSQL including schema design and optimization 📃 Skills: Backend, Microservices, REST, PostgreSQL, SQL, ContinuousDelivery, APIs 🏢 Description: Location: Kraków Work mode: hybrid with 6-8 days/month from the office Salary: up to 200 PLN/h + VAT on B2B contract About the Team: You will join a globally distributed engineering team focused on building scalable, high-quality digital solutions using modern technologies and microservices architecture. The team emphasizes collaboration, continuous delivery, engineering excellence, and innovation, working closely with stakeholders across regions to deliver impactful business outcomes. Key Responsibilities: Design, develop, and deploy high-quality, production-ready code within a microservices-based architecture. Contribute to system architecture and technical design decisions, ensuring scalability, performance, and maintainability. Maintain awareness of business objectives alongside engineering and non-functional requirements to support product growth. Promote and uphold strong engineering culture, including best practices, code quality, and continuous improvement. Collaborate closely with globally distributed teams, coordinating across multiple regions and time zones. Proactively identify and remove delivery impediments, manage risks, and communicate issues to program stakeholders. Analyze development and delivery processes to identify inefficiencies and implement innovative, automated solutions. Required Experience & Skills: Strong background in software engineering with proven expertise in designing, developing, and deploying backend applications. Hands-on experience working with microservice architectures and delivering production-ready solutions. Demonstrated ability to deliver frequent, high-quality releases in a continuous delivery environment. Experience building and maintaining RESTful APIs in production systems. Solid experience working with PostgreSQL databases, including schema design and optimization. Preferred Qualifications: Proficiency in Java, ideally with recent experience using modern versions. Understanding of containerization and orchestration technologies such as Docker and Kubernetes, as well as cloud platforms (preferably GCP). Experience developing modern frontend applications using ReactJS. Previous experience working in the financial services sector, particularly in banking environments. This role is ideal for a proactive and delivery-focused engineer who thrives in a collaborative, fast-paced environment and is passionate about building scalable, modern applications. Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Software Engineer role focused on integrating and modernizing an in-house application with a new Certificate Lifecycle Management (CLM) platform. The position involves full SDLC responsibilities, including design, development, testing, deployment, and maintenance of secure and automated solutions. The role centers on automation, infrastructure integration, and replacement of a legacy CLM system. 🗂️ Requirements: 5+ years of software engineering experience, Strong knowledge of software design, development, testing, and SDLC practices, Hands-on experience with Python, Hands-on experience with Bash, Experience with automation and integration tools, Experience with CI/CD and release management tools, Experience with Microsoft SQL databases, Knowledge of Windows and Linux server environments, Knowledge of VMware, networks, and firewalls, Understanding of Identity and Access Management (RBAC, PAM), Experience with ITSM processes and tools, Experience with JIRA, Confluence, or SharePoint 📃 Skills: Python, Bash, Terraform, Ansible, Splunk, Postman, GitHub, Jenkins, SQL, Windows, Linux, VMware, RBAC, PAM, ServiceNow, JIRA, Confluence, SharePoint, CI/CD, ITSM 🏢 Description: Software Engineer (PKI / CLM Integration) We are looking for an experienced Software Engineer to join a mid-sized engineering team working on the integration and modernization of a key in-house application with a new Certificate Lifecycle Management (CLM) solution. In this role, you will be responsible for designing, implementing, and maintaining new functionalities that replace an existing CLM system. You will work across the full software development lifecycle, from design through implementation, testing, deployment, and ongoing maintenance. This position offers the opportunity to grow in multiple directions, including software development, testing, cryptography, and infrastructure engineering, depending on your interests and team needs. Key Responsibilities Design, develop, and implement new features integrating an existing application with a new CLM platform replacing legacy solutions Prepare technical design documents, test plans, and implementation documentation Perform unit testing and support quality assurance activities Participate in deployment, release management, and production maintenance activities Collaborate with cross-functional engineering teams to deliver reliable and secure solutions Required Skills & Experience 5+ years of experience in software engineering roles Strong knowledge of software design, development, testing, and SDLC best practices Hands-on experience with Python and Bash scripting Familiarity with collaboration tools such as JIRA, Confluence, and SharePoint Experience with automation and integration tools (e.g. Terraform, Ansible, Splunk, Postman) Understanding of CI/CD and release management tools (e.g. GitHub, Jenkins) Experience with Microsoft SQL databases Knowledge of IT infrastructure concepts (Windows/Linux servers, VMware, networks, firewalls) Understanding of Identity and Access Management (RBAC, Privileged Access Management) Experience working with ITSM processes and tools (e.g. ServiceNow, incident/change management, RFCs) Strong analytical skills and ability to work independently Nice to Have Experience with PKI, digital certificates, Certificate Authorities, or CLM systems Knowledge of Venafi TPP (including SSH key discovery) Experience in large-scale enterprise environments, preferably financial services What we offer Opportunity to work on a critical security and infrastructure-related transformation project Exposure to modern automation, security, and integration technologies Flexible development paths across engineering, security, and infrastructure domains Collaboration in an experienced, international engineering environment Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland

🏢 Summary: Full Stack Engineer role focused on designing, developing, and maintaining secure microservices-based solutions in a FinTech environment, using Python and modern frontend technologies. The position involves building data pipelines, deploying containerized services through CI/CD, and ensuring system reliability and security in a regulated setting. Hybrid work model with strong emphasis on DevSecOps and automation. 🗂️ Requirements: Extensive experience in Python web development (FastAPI, Flask or Django), Experience building data pipelines in Python (Pandas, Numpy, Airflow or Luigi), Strong knowledge of microservices architecture and CQRS, SAGA, event sourcing, Experience with Docker and Kubernetes, Experience with CI/CD tools (Jenkins or GitLab), Strong Linux system administration skills, Understanding of networking concepts (TCP/IP, DNS, Firewalls, Subnetting), Proficiency with Git and branching strategies, Frontend development experience (HTML, CSS, JavaScript), Strong SQL skills with complex queries, Experience writing automated tests (unit, integration, functional), Experience working in Agile and DevSecOps environments 📃 Skills: Python, FastAPI, Flask, Django, Pandas, Numpy, Airflow, Luigi, Docker, Kubernetes, Jenkins, GitLab, Linux, TCP/IP, DNS, Git, HTML, CSS, JavaScript, SQL, React, Kafka, RabbitMQ, Terraform, AWS, GCP, Azure, Prometheus, MongoDB, PostgreSQL, MSSQL 🏢 Description: FullStack Engineer (Python, JavaScript, React) Location: Kraków (hybrid model – 2 days per week from the office) Industry: FinTech Contract type: B2B About the Role As a Full Stack Engineer, your responsibilities will include the following: Working with and support your pod’s Product Owner and Development Lead in designing, developing and delivering software solutions that meet stakeholder requirements. Working with Cybersecurity experts in understanding and refining requirements, delivering on features iteratively, whilst also proposing new technologies and solutions to help keep the bank secure. Adhering to the team’s design and development patterns, and in collaboration with the development lead actively identifing bottlenecks and to improve software development efficiencies. Adhering to the team’s governance procedures surrounding requirements intake, release and incident management, and actively contributing towards further streamlining processes (through automation). Ensuring the operability of existing services, including L2/L3 troubleshooting, bug fixing, and writing automated test cases and any further technical documentation needed to support delivered code. Undertaking peer reviews and leading by example for junior developers in the team. Requirements Able to demonstrate extensive Python web development experience, using frameworks such as FastAPI (being the preference), Flask and/or Django. Experience developing data pipelines, primarily in Python, using libraries such as Pandas, Numpy, and tools such as Airflow, Luigi, etc. A strong understanding of microservice architectures and be knowledgeable on the implementation of concepts such as CQRS, SAGA and event sourcing. Experience building and deploying services to containers, using tools such as Docker and Kubernetes. Experience building and deploying services through CICD pipelines, with hands-on experience using tools such as Jenkins, Gitlab, etc. Strong sysadmin skills in Linux, coupled with a solid understanding of computer systems and networks in general, e.g. TCP/IP, DNS, Firewalls, Subnetting, etc. Proficient with Git and a working familiarity of several branching strategies such as GitFlow, Trunk based, etc. Good understanding and reasonable experience in frontend development, at a minimum using languages such as HTML, CSS, JavaScript. Strong SQL programming skills and be able to construct complex queries. Demonstrate a test-driven mindset, backed by experience developing automated tests cases, be it unit, integration, functional and non-functional tests. Good knowledge of agile and DevSecOps delivery processes within the context of working in a highly regulated environment and be comfortable using tools such as Jira and Confluence. Articulate, with very good verbal and written communication skills. This is essential as you’ll be part of a global team consisting of engineers and non-engineers alike. Able to demonstrate an ability to work and lead in a fast paced, team focused environment with a proven track record of delivering and completing assigned tasks as an individual, and as a team. Demonstrate a willingness to continuously learn and share learnings with others. Our architecture is constantly evolving in line with new technologies being introduced as well as emerging threats. Nice to Have Cybersecurity related experience would be highly advantageous, be it working with automated application security testing tools (e.g. SAST, DAST), performing Penetration Tests, Fuzz testing and/or any threat detection and exploitation techniques. Strong experience building, deploying and operating infrastructure to a major cloud platform, such as AWS, GCP, Azure and/or Ali, using tools such as Terraform to provision and manage infrastructure as code, operational monitoring tools such as Prometheus, and service mesh tools such as Anthos. Strong frontend development experience, preferably in a JavaScript based language/framework such as React. In addition, experience developing and/or integrating with customer analytics products such as Matomo, and any further design and/or UX experience would be highly advantageous. Strong database administration / architecture experience, working with several relational database systems such as MSSQL, Postgres, as well as non-relational such as Mongo. Coupled to this, you will also have experience managing databases in a loosely coupled environment, with very strong performance and tuning skills. Experience working with Message Queue systems, such as Kafka, Rabbit, etc. What’s Offered Hybrid work model with flexibility Private medical care Multisport card Flexible working hours Opportunity to build a high-impact platform used across a global organization Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams. Discover our latest job openings: https://en.antal.pl/candidates Follow us on LinkedIn: https://www.linkedin.com/company/antalpoland