C Developer

🏢 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 Full Stack Developer role in an international agile team delivering digital solutions for used assets remarketing. The position involves designing, developing, and maintaining scalable and secure backend and frontend applications while contributing to technical decisions and code quality. The role also includes collaboration in a cross-functional environment and mentoring junior developers. 🗂️ Requirements: 5+ years of full stack development experience, Proficiency in Java, JavaScript, and Python, Experience with Spring Boot and Angular, Hands-on experience with REST and SOAP APIs, Experience with Oracle and MongoDB databases, Knowledge of messaging systems such as Kafka or ActiveMQ, Experience with CI/CD tools and build automation, Proficiency with Docker and Kubernetes, Experience working in Agile environments, Fluent English 📃 Skills: Java, JavaScript, Python, SpringBoot, Angular, Oracle, MongoDB, Elasticsearch, SOLR, REST, SOAP, Kafka, ActiveMQ, Maven, Jenkins, GitLabCI, Git, Docker, Kubernetes, Tomcat, Nginx, IntelliJ, Eclipse, VSCode, Jira, Confluence 🏢 Description: Senior Full Stack Developer Location: Warsaw (hybrid 50/50) Experience: 5+ years Language: English (required) Role Overview We are looking for a Senior Full Stack Developer to join an international agile team delivering digital solutions supporting used assets remarketing. The role involves designing, developing, and maintaining scalable and secure applications, working closely with product owners, designers, and other engineers in a cross-functional setup. You will contribute to both backend and frontend development, participate in technical decision-making, review code, and support continuous improvement of existing systems. Responsibilities Design and develop backend services and APIs Build and maintain frontend applications Improve and refactor existing solutions Participate in code reviews and agile ceremonies Collaborate with cross-functional teams Support technical documentation and application maintenance Mentor junior developers when needed Required Tech Stack Languages: Java, JavaScript, Python Frameworks: Spring Boot, Angular Databases: Oracle, MongoDB, Elasticsearch / SOLR APIs: REST, SOAP Messaging: Kafka, ActiveMQ CI/CD & Build: Maven, Jenkins, GitLab CI Version Control: Git Containers & Cloud: Docker, Kubernetes Servers & Tools: Tomcat, Nginx IDEs: IntelliJ IDEA, Eclipse, VS Code Agile & DevOps tools: Jira, Confluence 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: B2B contract role for a Senior Java Developer to design and build high‑performance, low‑latency backend services for trading and risk systems within an international Agile team. The position focuses on developing microservices, REST APIs and distributed components supporting critical transaction workflows. You will influence architecture and engineering standards while optimizing scalability, stability and performance. 🗂️ Requirements: 5+ years Java backend development experience (Java 11+), Strong knowledge of REST and HTTPS, Experience with microservices architecture, Experience with messaging systems (MQ), Experience with SQL, Experience with Postgres, Sybase or similar database, Experience leading delivery of Java-based modules or services, Experience working in Agile environment, Fluent English 📃 Skills: Java, REST, HTTPS, Microservices, MQ, SQL, Postgres, Sybase, CI/CD, Agile 🏢 Description: Senior Java Developer 📍 Location: Kraków, Poland (hybrid: 2 days in the office, 3 days remote) 📄 B2B Contract: 190 – 230 PLN / hour We are looking for a proactive Senior Java Developer to join an international Agile team building high‑performance backend solutions for trading and risk‑related systems. You will work closely with engineers and analysts to design, develop and optimize services supporting critical business processes. This role offers the opportunity to work on low‑latency, high‑throughput applications and influence architecture, engineering standards and delivery quality across a complex technology landscape. Key Responsibilities: Design and develop backend services and microservices in Java. Build and maintain RESTful APIs and distributed system components. Develop high‑availability, high‑performance solutions supporting trading workflows. Integrate with internal platforms and support end‑to‑end transaction lifecycle. Optimize system performance, stability and scalability. Collaborate with global engineering and business teams. Participate in Agile ceremonies: sprint planning, reviews, retrospectives and daily stand‑ups. Requirements: 5+ years of experience in Java backend development (Java 11+). Strong knowledge of REST, HTTPS, microservices and messaging (MQ). Experience with SQL and at least one mainstream database (Postgres, Sybase or similar). Experience owning or leading delivery of Java‑based modules or services. Strong analytical and problem‑solving skills. Very good communication skills in English. Ability to work in a dynamic environment and handle pressure. Curiosity, proactiveness and continuous learning mindset. Nice to Have: Experience in production environments. Experience with Agile development and CI/CD. Domain knowledge in financial systems: trade lifecycle, post‑trade, FX. What We Offer: Long‑term cooperation within an international engineering environment. Real influence on architecture, engineering standards and delivery quality. Work in a multicultural, distributed setup. Private medical care (LuxMed) and Multisport card. Hybrid model: 2 days per week in the Kraków office. 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 developing and supporting a scalable service platform within capital markets operations. The position combines systems programming, DevOps practices, and enterprise architecture work in a hybrid cloud environment. The engineer will build platform components, automate deployments, and ensure high availability and security of distributed systems. 🗂️ Requirements: 3-5+ years of experience in DevOps, Software Engineering, or Platform Engineering, Strong knowledge of Linux/Unix systems, Experience in C programming or systems-level programming, Understanding of REST APIs and distributed systems, Experience with CI/CD pipelines and deployment automation, Ability to design scalable and secure cloud or hybrid architectures, Experience working in Agile enterprise environments, Ability to provide production support and incident management 📃 Skills: Linux, Unix, C, REST, CI/CD, DevOps, Cloud, APIs, DistributedSystems, Agile, Automation 🏢 Description: 📍 Cracow 🏢 Hybrid: 2 days per week in the office 💰 B2B: 190 - 225 PLN/h We are looking for a Senior Software Engineer to join the technology team of a global financial services organization. The role focuses on supporting the development of a service platform used within capital markets operations. It combines systems development, DevOps practices, and work on scalable, secure enterprise architecture. Responsibilities Design, develop, and maintain platform and infrastructure components Build and maintain CI/CD pipelines and deployment automation Work in Linux/Unix environments and develop low-level/system software (C / systems programming) Contribute to the architecture of distributed systems and APIs Ensure high availability, performance, and security of systems Provide production support (incident management, troubleshooting) Collaborate with global teams in an Agile environment Requirements Minimum 3-5 years of experience in DevOps / Software Engineering / Platform Engineering Strong knowledge of Linux/Unix systems Experience in C programming (or systems-level programming) Understanding of REST APIs and distributed system architectures Experience with CI/CD pipelines and deployment automation Ability to design scalable and secure cloud/hybrid systems Experience working in Agile and enterprise environments Strong communication and analytical skills Nice to have: Java JNI, Node.js, or systems integration experience Experience with monitoring tools (Prometheus, Grafana, ELK stack) Familiarity with financial services or regulated environments We offer Work in a global financial services organization Real impact on a platform used worldwide Modern DevOps / cloud / hybrid technology stack Collaboration with experienced engineering teams across Europe and Asia Benefits package: private medical care (LuxMed) and MultiSport card 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: Long-term remote B2B opportunity for a Senior Android Developer to build and scale high-impact mobile applications used by millions of users across Europe. The role focuses on developing high-quality Android solutions, improving performance and scalability, and contributing to architectural decisions in an agile environment. The position offers up to 170 PLN/h and full remote work from Poland. 🗂️ Requirements: Strong experience in Android development, Proficiency in Kotlin, Proficiency in Java, Hands-on experience with MVVM architecture, Hands-on experience with Clean Architecture, Knowledge of SOLID principles, Experience with CI/CD pipelines, Experience with release processes, Experience with version control systems, Understanding of UI/UX principles, Knowledge of Material Design, Ability to work in an agile cross-functional team 📃 Skills: Android, Kotlin, Java, MVVM, CleanArchitecture, SOLID, CI/CD, Git, MaterialDesign 🏢 Description: Senior Android Developer (Remote) 📍 Work mode: 100% remote from Poland 💸 Salary: up to 170 PLN/h on B2B contract ⌛ Project duration: long-term About the client: We are looking for an experienced Senior Android Developer to join a long-term, fully remote project focused on building and scaling high-impact mobile applications used by millions of users across Europe. You will contribute to the development of a highly recognizable mobile platform, playing a key role in enhancing application performance, scalability, and user experience, while collaborating with cross-functional teams in an agile environment. Key Responsibilities: Develop high-quality, testable, and maintainable Android applications. Actively participate in technical discussions and contribute to architectural decisions. Ensure code quality through regular code reviews and adherence to best practices and standards. Collaborate with product, design, and backend teams to deliver new features. Refactor and improve existing code to enhance performance and maintainability. Create and maintain technical documentation (architecture, processes, and implementation details). Continuously evaluate and implement new technologies to improve efficiency and product quality. Requirements: Strong experience in Android development using Kotlin and Java. Hands-on experience with modern mobile architectures such as MVVM, Clean Architecture, and SOLID principles. Ability to work both independently and within a cross-functional agile team. Experience with CI/CD pipelines, release processes, and version control systems (e.g., Git). Good understanding of UI/UX principles, including Material Design. Strong problem-solving skills and attention to details Nice to Have: Experience working on scalable applications with large user bases. Familiarity with performance optimization and mobile application scaling. What We Offer: Fully remote work model. Long-term collaboration on a B2B contract. Benefits package including: Multisport card, private medical care, health insurance Recruitment Process: Live Coding Session (90 minutes) System Design Interview (90 minutes) Hiring Manager Interview (60 minutes) Technical/Behavioral Interview (Bar Raiser – 60 minutes) Final Decision and Offer 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 Full Stack Developer role focused on designing, building, and supporting high-performance web applications using React and Java. The position involves end-to-end ownership of features, architectural decision-making, and working within Agile and DevOps environments. The role also includes maintaining reliable, scalable systems in the FX and banking domain. 🗂️ Requirements: Extensive experience in full stack development, Strong expertise in Java, Strong expertise in React, Strong knowledge of HTML, Experience in Agile environments, Experience in DevOps-oriented environments, Experience designing and supporting high-performance web applications, Ability to make architectural decisions, Experience with CI/CD pipelines 📃 Skills: Java, React, HTML, Agile, DevOps, CI/CD, Microservices, PostgreSQL, Linux 🏢 Description: Senior Full Stack Developer We’re looking for a Senior Full Stack Developer to join our team and help shape the next generation of our products. Reporting to the Development Manager, you’ll take real ownership of features and systems, working hands-on across the entire development lifecycle — from early design decisions to production support. This is a hybrid role, with work from our Kraków office 1–2 days per week. What you’ll be doing: Leading the design, development, and evolution of high-performance web applications using React, Java, and HTML. Owning features end-to-end, from requirements and technical design through delivery and production support. Partnering closely with product owners and engineers to define solutions that balance business needs with long-term technical health. Applying deep domain knowledge in FX and banking to build scalable, business-critical functionality. Driving best practices in Agile delivery, DevOps, and CI/CD pipelines. Tackling complex technical challenges and making sound architectural decisions. Supporting and improving live services with a strong focus on reliability, performance, and quality. Actively contributing to sprint planning, code reviews, and technical discussions — and raising the bar for the team. What we’re looking for: Extensive experience as a Full Stack Developer with strong expertise in Java, React and HTML. A solid software engineering background and an engineering-led approach to problem solving. Proven experience working in Agile teams and DevOps-oriented environments. Ability to work independently, make technical decisions, and take full ownership of the systems you build. Excellent communication skills and the confidence to collaborate with both technical and non-technical stakeholders. A proactive mindset — you spot problems early and drive improvements without being asked. Nice to have: Experience with financial platforms or trading systems. Hands-on exposure to microservices architecture, PostgreSQL, and Linux environments. Previous experience mentoring other engineers or influencing technical direction. 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 Full Stack Developer role focused on designing and delivering high-performance web applications using Java and React. The position involves end-to-end ownership of features, architectural decision-making, and support of production systems within Agile and DevOps environments. The role combines hands-on development with technical leadership across the full software lifecycle. 🗂️ Requirements: Extensive experience as Full Stack Developer, Strong expertise in Java, Strong expertise in React, Strong expertise in HTML, Solid software engineering background, Experience working in Agile teams, Experience in DevOps-oriented environments, Ability to make architectural decisions, Ability to independently own end-to-end feature delivery 📃 Skills: Java, React, HTML, Agile, DevOps, CI/CD 🏢 Description: Senior Full Stack Developer We’re looking for a Senior Full Stack Developer to join our team and help shape the next generation of our products. Reporting to the Development Manager, you’ll take real ownership of features and systems, working hands-on across the entire development lifecycle — from early design decisions to production support. This is a hybrid role, with work from our Kraków office 1–2 days per week. What you’ll be doing: Leading the design, development, and evolution of high-performance web applications using React, Java, and HTML. Owning features end-to-end, from requirements and technical design through delivery and production support. Partnering closely with product owners and engineers to define solutions that balance business needs with long-term technical health. Applying deep domain knowledge in FX and banking to build scalable, business-critical functionality. Driving best practices in Agile delivery, DevOps, and CI/CD pipelines. Tackling complex technical challenges and making sound architectural decisions. Supporting and improving live services with a strong focus on reliability, performance, and quality. Actively contributing to sprint planning, code reviews, and technical discussions — and raising the bar for the team. What we’re looking for: Extensive experience as a Full Stack Developer with strong expertise in Java, React and HTML. A solid software engineering background and an engineering-led approach to problem solving. Proven experience working in Agile teams and DevOps-oriented environments. Ability to work independently, make technical decisions, and take full ownership of the systems you build. Excellent communication skills and the confidence to collaborate with both technical and non-technical stakeholders. A proactive mindset — you spot problems early and drive improvements without being asked. Nice to have: Experience with financial platforms or trading systems. Hands-on exposure to microservices architecture, PostgreSQL, and Linux environments. Previous experience mentoring other engineers or influencing technical direction. 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 Java Developer role focused on building and integrating production-grade Java microservices within an AI-enabled delivery programme. The position involves solution design, CI/CD quality enforcement, GenAI integration, and secure, observable service delivery in a cloud environment. Hybrid work model in Kraków with B2B contract. 🗂️ Requirements: Strong experience building Java microservices with Spring Boot, Solid experience with RDBMS (Oracle or PostgreSQL), Hands-on unit and integration testing using JUnit, Mockito, Testcontainers, Experience with CI/CD pipelines and quality gates, Understanding of REST and messaging/event-driven integration patterns, Hands-on experience with GCP, Practical experience with GenAI concepts and engineering tooling, Familiarity with RAG and agent patterns, Ability to contribute to technical design and resolve technical risks 📃 Skills: Java, SpringBoot, Microservices, Oracle, PostgreSQL, JUnit, Mockito, Testcontainers, Jenkins, GitLab, Sonar, SAST, DAST, REST, Messaging, GCP, GenAI, LLMs, RAG, Kubernetes, Docker, Copilot 🏢 Description: Location: Kraków (2 times per week from the office) B2B | 220–240 PLN netto/hour About the Role: We are looking for a skilled and motivated Senior Java Developer to join the AI‑Enabled Delivery Programme within the Global Collateral & Facility Management area. In this role, you will develop and integrate production‑grade Java microservices, contribute to solution design, and work across multiple workstreams. You will collaborate closely with Tech Leads, architects, QA, platform teams, and engineering partners to deliver secure, well‑tested, and reliable services. Key Responsibilities: Build, test, release, and support Java microservices Contribute to solution design aligned with architecture and non‑functional requirements Identify and resolve technical risks, dependencies, and delivery blockers Follow engineering standards (coding, branching, CI/CD quality gates, test strategy) Deliver unit, integration, and contract tests with measurable coverage Participate in design, code, and security reviews Use AI‑assisted tooling (e.g., Copilot) responsibly to accelerate delivery Apply guardrails for AI‑generated code (reviews, secure coding, traceability) Use GenAI techniques where appropriate (LLMs, prompt engineering, validation) Contribute to GenAI‑enabled patterns (LLMs, RAG, agent workflows) Embed security‑by‑design and vulnerability management Build production‑ready services with observability and performance readiness Support release activities, integration, and environment preparation Collaborate with Tech Leads, QA, SRE, architects, and platform teams Requirements: Strong hands‑on experience building Java microservices (Spring Boot) Solid experience with RDBMS (Oracle/PostgreSQL) Strong unit and integration testing practices (JUnit, Mockito, Testcontainers) Experience with CI/CD pipelines and quality gates (Jenkins/GitLab, Sonar, SAST/DAST) Good understanding of integration patterns (REST, messaging/eventing) Experience contributing to technical design and making pragmatic trade‑offs Hands‑on experience with GCP Practical exposure to GenAI concepts and engineering tooling Familiarity with RAG/agent patterns and governance Nice to Have: Experience delivering regulated financial services platforms Exposure to cloud‑native patterns (containers, Kubernetes, service mesh) Experience with performance engineering and resilience testing Experience implementing AI‑enabled SDLC practices Hands‑on experience with GenAI integrations (RAG pipelines, evaluation, prompt/versioning) What We Offer: Opportunity to work on strategic, high‑impact engineering initiatives Exposure to modern AI‑enabled SDLC practices Flexible working model Supportive, international engineering environment Benefits package: Multisport Card, Luxmed 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: Offer for a Python Developer with 3+ years of experience to design, develop, and maintain scalable applications and services. The role focuses on writing clean, testable code, applying design patterns, and performing data processing using scientific libraries. The position involves building efficient solutions with proper algorithms, data structures, and unit testing practices. 🗂️ Requirements: Minimum 3 years commercial experience with Python, Practical knowledge of NumPy, Practical knowledge of pandas, Understanding of software design patterns, Knowledge of algorithms, Knowledge of data structures, Experience writing unit tests 📃 Skills: Python, NumPy, pandas, Algorithms, DataStructures, UnitTesting, DesignPatterns, gRPC, GCP 🏢 Description: Python Developer We are looking for a skilled Python Developer with at least 3 years of professional experience to join our team and contribute to the development of high-quality software solutions. The ideal candidate has strong Python expertise, a solid understanding of software engineering principles, and a passion for clean, efficient, and testable code. Responsibilities: Design, develop, and maintain applications and services using Python Write clean, efficient, and well-structured code in line with best practices and design patterns Perform data processing and analysis using libraries such as NumPy and pandas Develop and maintain unit tests to ensure code quality and reliability Collaborate with cross-functional teams to design and deliver new features Apply appropriate algorithms and data structures to build scalable and efficient solutions Participate in code reviews and contribute to continuous improvement Requirements: Minimum 3 years of commercial experience working with Python Practical knowledge of NumPy and pandas libraries Good understanding of software design patterns Solid knowledge of algorithms and data structures Experience in writing unit tests Openness to a hybrid work model (working from the Kraków office once per week) Nice to have: Experience with gRPC Familiarity with Google Cloud Platform (GCP) 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: The offer is for a Python Developer with at least 3 years of experience to design, develop, and maintain scalable applications and services. The role focuses on writing clean, testable code, applying algorithms and design patterns, and performing data processing using scientific libraries. It involves contributing to high-quality software solutions in a collaborative, hybrid work environment. 🗂️ Requirements: Minimum 3 years of commercial experience with Python, Practical knowledge of NumPy, Practical knowledge of pandas, Understanding of software design patterns, Knowledge of algorithms and data structures, Experience in writing unit tests, Availability for hybrid work model (once per week in Kraków office) 📃 Skills: Python, NumPy, pandas, Algorithms, DataStructures, UnitTesting, gRPC, GCP 🏢 Description: Python Developer We are looking for a skilled Python Developer with at least 3 years of professional experience to join our team and contribute to the development of high-quality software solutions. The ideal candidate has strong Python expertise, a solid understanding of software engineering principles, and a passion for clean, efficient, and testable code. Responsibilities: Design, develop, and maintain applications and services using Python Write clean, efficient, and well-structured code in line with best practices and design patterns Perform data processing and analysis using libraries such as NumPy and pandas Develop and maintain unit tests to ensure code quality and reliability Collaborate with cross-functional teams to design and deliver new features Apply appropriate algorithms and data structures to build scalable and efficient solutions Participate in code reviews and contribute to continuous improvement Requirements: Minimum 3 years of commercial experience working with Python Practical knowledge of NumPy and pandas libraries Good understanding of software design patterns Solid knowledge of algorithms and data structures Experience in writing unit tests Openness to a hybrid work model (working from the Kraków office once per week) Nice to have: Experience with gRPC Familiarity with Google Cloud Platform (GCP) 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.