Senior Software Engineer

🏢 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: 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: Mid/Senior Software Developer role focused on designing, developing, and maintaining scalable and secure software solutions in a Linux environment. The position involves working on complex internal applications, performing technical analysis, testing, debugging, and supporting product releases. You will collaborate with engineering teams to deliver high-quality, reliable systems. 🗂️ Requirements: 3–5 years of experience in software development, Strong programming skills in C, Experience with Python, Perl, or TCL, Hands-on experience with Linux environments, Degree in Engineering, Computer Science, or related field 📃 Skills: C, Python, Perl, TCL, Linux, Docker, Git, Gerrit, Java, Networking, Ethernet, Broadband, Agile, UnitTesting, SystemsIntegration 🏢 Description: Position: Software Developer Experience Level: Mid or Senior Level Role Overview As a Senior Software Developer, you will contribute to the development and improvement of complex software solutions. You will collaborate with the engineering team to design, build, and maintain reliable applications while ensuring high standards of quality and security. Key Responsibilities Participate in the development and enhancement of internal software applications Analyze requirements and provide technical estimations Perform security impact assessments Design and implement scalable software solutions Conduct testing, prepare technical documentation, and support product releases Maintain and debug existing systems Investigate and resolve reported technical issues Required Qualifications 3–5 years of experience in a similar software development role Strong programming skills in C Experience with Python, Perl, or TCL Hands-on experience working with Linux environments Degree in Engineering, Computer Science, or a related field Nice to Have Experience with Docker, Git, or Gerrit Experience writing unit tests Understanding of networking technologies , including switching/routing, Ethernet, or broadband-related technologies Experience with systems integration Experience working with distributed teams Familiarity with Agile development environments Programming experience in Java About You Currently residing in Poland (knowledge of Polish is not required) Fluent in English , both spoken and written Motivated to learn and share knowledge with team members A proactive team player who is willing to support colleagues and contribute to the success of the team and company Comfortable asking questions and seeking help when needed 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: Senior Software Security Engineer role in a global banking cybersecurity initiative focused on building secure, scalable cloud-native backend platforms. The position combines hands-on development in Python and/or Node.js with ownership of production services on GCP and Kubernetes. It involves designing modern authentication solutions and distributed systems at enterprise scale. 🗂️ Requirements: Strong hands-on experience with Python (Django) and/or Node.js (TypeScript/NestJS), Experience building production-grade backend services, Experience designing and developing distributed systems, Hands-on experience with GCP services, Strong knowledge of Infrastructure as Code and Terraform, Experience designing scalable and secure cloud-native architectures, Solid knowledge of Kubernetes and containerized environments, Understanding of Zero Trust and modern security engineering practices, Experience with PostgreSQL performance optimization, Experience with event-driven architectures 📃 Skills: Python, Django, NodeJS, TypeScript, NestJS, GCP, Terraform, Kubernetes, PostgreSQL, OAuth2, OpenID, IaC, ZeroTrust, DistributedSystems, CloudNative, Containers, EventDriven, Observability, Automation, Security 🏢 Description: 📍 Location: Kraków (hybrid: 2 days in the office per week) 📄 B2B: 200 - 250 PLN / h 🏦 Industry: Banking We are currently looking for a Senior Software Security Engineer (Node.js and/or Python) to join a strategic global banking initiative focused on building modern, secure and scalable backend platforms within the cybersecurity domain. The role combines hands-on software engineering, cloud-native architecture and security engineering, with strong ownership of production-grade services and engineering excellence. You will work within international cross-functional teams responsible for developing next-generation security products and services, contributing to the migration from vendor-based platforms toward open-source and cloud-native solutions deployed at enterprise scale. Key responsibilities: Design, develop and maintain secure, scalable backend services using Python, Node.js and cloud-native technologies. Build and optimize distributed systems running on Google Cloud Platform and Kubernetes environments. Develop high-quality production code with strong focus on reliability, observability and automation. Own the lifecycle of backend services on GCP, ensuring resilience, performance and cost efficiency. Design and implement OAuth2/OpenID Connect authentication and authorization solutions. Contribute to event-driven architectures and highly concurrent backend systems. Collaborate closely with engineering and platform teams to deliver secure and scalable solutions. Mentor engineers and actively contribute to engineering best practices and technical excellence. Drive automation initiatives to improve developer productivity and operational efficiency. Stay up to date with modern backend and cloud technologies, sharing knowledge across teams. Requirements: Strong hands-on experience with Python (Django) and/or Node.js (Typescript/NestJS). Experience building production-grade backend services and distributed systems. Hands-on experience with GCP services. Strong understanding of Infrastructure as Code and Terraform. Experience designing scalable, secure and observable cloud-native architectures. Solid knowledge of Kubernetes and containerized environments. Understanding of Zero Trust and modern security engineering practices. Experience with PostgreSQL performance optimization and event-driven architectures. Strong engineering mindset with focus on automation, quality and operational excellence. Ability to work effectively in cross-functional and international engineering teams. Nice to have: Experience with Go or Rust. Contributions to open-source projects, technical blogging or public GitHub portfolio. Broad full-stack understanding with backend specialization. Passion for solving complex engineering and security challenges at scale. What we offer: Opportunity to work on strategic, global cybersecurity and cloud engineering initiatives. Collaboration with highly experienced international engineering teams. Long-term cooperation within a stable enterprise-scale environment. Private healthcare package (LuxMed). 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: Senior Software Security Engineer role focused on building secure, scalable backend platforms within a global banking cybersecurity initiative. The position combines hands-on development in Node.js and/or Python with cloud-native architecture on GCP and Kubernetes, emphasizing security, automation and production-grade reliability. You will design and own distributed, event-driven services while driving engineering excellence and cloud transformation. 🗂️ Requirements: Strong hands-on experience with Python (Django) and/or Node.js (TypeScript, NestJS), Experience building production-grade backend services, Experience with distributed systems, Hands-on experience with Google Cloud Platform, Experience with Infrastructure as Code, Practical knowledge of Terraform, Strong knowledge of Kubernetes, Experience with containerized environments, Experience designing secure, scalable cloud-native architectures, Knowledge of OAuth2 and OpenID Connect, Understanding of Zero Trust principles, Experience with PostgreSQL performance optimization, Experience with event-driven architectures 📃 Skills: Python, Django, Node.js, TypeScript, NestJS, GCP, Kubernetes, Terraform, OAuth2, OpenID, PostgreSQL, Docker, IaC, ZeroTrust 🏢 Description: 📍 Location: Kraków (hybrid: 2 days in the office per week) 📄 B2B: 200 - 250 PLN / h 🏦 Industry: Banking We are currently looking for a Senior Software Security Engineer (Node.js and/or Python) to join a strategic global banking initiative focused on building modern, secure and scalable backend platforms within the cybersecurity domain. The role combines hands-on software engineering, cloud-native architecture and security engineering, with strong ownership of production-grade services and engineering excellence. You will work within international cross-functional teams responsible for developing next-generation security products and services, contributing to the migration from vendor-based platforms toward open-source and cloud-native solutions deployed at enterprise scale. Key responsibilities: Design, develop and maintain secure, scalable backend services using Python, Node.js and cloud-native technologies. Build and optimize distributed systems running on Google Cloud Platform and Kubernetes environments. Develop high-quality production code with strong focus on reliability, observability and automation. Own the lifecycle of backend services on GCP, ensuring resilience, performance and cost efficiency. Design and implement OAuth2/OpenID Connect authentication and authorization solutions. Contribute to event-driven architectures and highly concurrent backend systems. Collaborate closely with engineering and platform teams to deliver secure and scalable solutions. Mentor engineers and actively contribute to engineering best practices and technical excellence. Drive automation initiatives to improve developer productivity and operational efficiency. Stay up to date with modern backend and cloud technologies, sharing knowledge across teams. Requirements: Strong hands-on experience with Python (Django) and/or Node.js (Typescript/NestJS). Experience building production-grade backend services and distributed systems. Hands-on experience with GCP services. Strong understanding of Infrastructure as Code and Terraform. Experience designing scalable, secure and observable cloud-native architectures. Solid knowledge of Kubernetes and containerized environments. Understanding of Zero Trust and modern security engineering practices. Experience with PostgreSQL performance optimization and event-driven architectures. Strong engineering mindset with focus on automation, quality and operational excellence. Ability to work effectively in cross-functional and international engineering teams. Nice to have: Experience with Go or Rust. Contributions to open-source projects, technical blogging or public GitHub portfolio. Broad full-stack understanding with backend specialization. Passion for solving complex engineering and security challenges at scale. What we offer: Opportunity to work on strategic, global cybersecurity and cloud engineering initiatives. Collaboration with highly experienced international engineering teams. Long-term cooperation within a stable enterprise-scale environment. Private healthcare package (LuxMed). 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: Senior Software Engineer role focused on end-to-end development of Python-based applications within Global Markets Technology. The position covers full software development lifecycle, including analysis, design, development, testing, and production support in small agile teams. The engineer is responsible for delivering business requirements into production and maintaining supported systems. 🗂️ Requirements: 5+ years experience with Python, Strong hands-on experience with Pandas, Strong hands-on experience with NumPy, Hands-on experience with Flask or Django, Experience across full software development lifecycle, Experience working in Agile methodologies, Ability to provide production support for delivered applications, Experience designing technical solutions aligned with standards 📃 Skills: Python, Pandas, NumPy, Flask, Django, Agile 🏢 Description: Senior Software Engineer (Python) Global Markets Technology We are looking for an experienced Senior Software Engineer to join our Global Markets Technology team, reporting directly to a Development Manager. This role covers the full software development lifecycle, including analysis, development, testing, and production support. We operate in true end-to-end teams – there are no separate support teams. About the Project As a Senior Software Engineer, you will be involved in all stages of application development. You will work in small, agile teams of 4–6 engineers with a dedicated Product Owner. While most teams are co-located, collaboration with geographically distributed teams is part of the role. Your Responsibilities Work within a team of 4–6 engineers with a dedicated Product Owner Take business requirements, break them down into user stories, and deliver them iteratively into production Provide ongoing production support – “you build it, you support it” Identify areas of technical debt and ensure a healthy balance between new functionality and technical improvements Design solutions for new features in line with technology standards and constraints Pair program and collaborate closely with other team members Provide guidance and mentorship to junior engineers Skills & Experience We Require 5+ years of strong experience with Python Solid hands-on experience with Pandas, NumPy, Flask and/or Django Good understanding of Agile development methodologies with a delivery-driven mindset Ability to work effectively with both local and global teams Leadership skills and experience supporting junior team members Flexible approach to ownership and delivery responsibility Open-minded, proactive, and eager to learn and grow Strong written and spoken English communication skills Nice to Have Experience in Machine Learning, NLP, or AI Experience building FX or Rates pricing systems Experience with KDB or cloud-based solutions Knowledge of JavaScript and/or Vue.js 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 Frontend Engineer role in a hybrid model (Kraków) on a B2B contract, focused on building and modernizing user interfaces for a global payments platform in the financial sector. The position involves developing scalable front-end applications and micro frontends, integrating with payment systems, and working in an Agile DevOps environment. The engineer will contribute to high-performance solutions supporting international payment processing across EMEA. 🗂️ Requirements: Strong experience with React 18, Strong experience with TypeScript 5, Strong experience with Bootstrap 5, Experience with REST APIs, Understanding of microservices architecture, Experience with SQL and databases, Experience with Java 8+, Familiarity with JSP, Experience in Agile environments, Experience in DevOps environments 📃 Skills: React, TypeScript, Bootstrap, Java, SQL, REST, Microservices, JSP, CI/CD, Agile, DevOps 🏢 Description: 📍 Location: Kraków, Poland (hybrid - 2 days per week in the office) 📄 B2B Contract: 180 - 200 PLN / hour We are looking for a Senior Frontend Engineer to join an international project delivered for a large organization within the financial services sector. The team is responsible for developing and maintaining a global payments platform that enables fast and secure fund transfers across multiple channels, including supplier payments, salaries, and tax transactions. This role focuses on building modern user interfaces and front-end services that support payment processing systems (e.g. SEPA, SWIFT) as well as internal tools used across the EMEA region. You will work in an Agile, DevOps-driven environment, contributing to scalable and high-performance solutions. Key Responsibilities: Develop and maintain modern front-end applications using React, TypeScript, and Java Build UI services and micro frontends supporting payment processing systems Collaborate with backend engineers to integrate APIs and microservices Improve system usability through intuitive interfaces and user-focused design Contribute to reducing operational complexity by building interactive tools and dashboards Support automation initiatives, including test automation and CI/CD improvements Enhance system efficiency and Straight-Through-Processing (STP) capabilities Maintain and modernize legacy UI components (e.g. JSP-based solutions) Work closely with stakeholders and distributed teams across different regions Requirements: Strong hands-on experience with React 18, TypeScript 5, Bootstrap 5 Solid understanding of RESTful APIs and microservices architecture Experience working with SQL and databases Java8+ essential, Java17+ preferable Familiarity with legacy frontend technologies (e.g. JSP) Experience working in Agile / DevOps environments Strong analytical and problem-solving skills English proficiency at B2+ level Nice to Have: Experience in payments / financial systems What We Offer: Long-term cooperation on an enterprise-scale international project Opportunity to work on high-impact global payment systems Real influence on user experience and internal platform development 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: 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 DevOps Software Engineer role in a global banking transformation programme focused on cloud-native platforms, automation, and distributed systems. The position involves designing, building, and operating scalable cloud infrastructure and CI/CD pipelines in a regulated, production-grade environment. The engineer will support mission-critical services and contribute to automation, reliability, and continuous improvement initiatives. 🗂️ Requirements: Strong experience with GCP and core cloud services, Hands-on experience with CI/CD pipelines, Experience with Jenkins, Git, Maven, SonarQube, Practical knowledge of Terraform and Ansible, Shell scripting skills, Experience operating production-grade cloud services, Knowledge of monitoring and logging tools, Understanding of DLT or blockchain concepts 📃 Skills: GCP, GKE, Jenkins, Git, Maven, SonarQube, Terraform, Ansible, Shell, Kubernetes, PostgreSQL, DLT, Blockchain 🏢 Description: 📍 Location: Kraków (hybrid: 2 days in the office per week, 3 days remote) 📄 B2B: 210 - 250 PLN / h 🏦 Industry: Banking / Financial Services We are currently seeking an experienced Senior DevOps Software Engineer to join a large-scale, global banking transformation programme focused on cloud-native platforms, automation, and distributed systems. The role sits within a high-performing engineering team responsible for building, operating, and evolving mission-critical services in a regulated environment. You will work in a cross-functional, international setup with engineers, architects, and platform specialists, contributing to the design and operation of scalable cloud infrastructure and CI/CD ecosystems. Responsibilities: • Provide end-to-end support across the software delivery and run lifecycle, including development and DevOps activities • Design, build, and maintain Continuous Integration / Continuous Delivery (CI/CD) pipelines using tools such as Jenkins, Git, Maven, and SonarQube • Implement Infrastructure as Code (IaC) using Terraform, Ansible, and scripting (e.g. Shell) • Manage and support cloud-based solutions on Google Cloud Platform (GCP), including Google Kubernetes Engine (GKE), networking, compute, storage, and databases (e.g. PostgreSQL) • Ensure service reliability through monitoring, logging, incident management, and adherence to availability and recovery objectives • Support release management processes and drive automation and continuous improvement initiatives • Collaborate with cross-functional engineering and operations teams to deliver scalable and resilient platforms • Provide post go-live support for Distributed Ledger Technology (DLT) / blockchain-based systems where applicable Requirements: • Strong experience with Google Cloud Platform (GCP), including GKE and core cloud services • Hands-on experience with CI/CD pipelines and tools such as Jenkins, Git, Maven, and SonarQube • Practical knowledge of Infrastructure as Code (Terraform, Ansible, Shell scripting) • Experience supporting and operating production-grade, live services in cloud environments • Familiarity with monitoring, logging, and observability tools • Understanding of Distributed Ledger Technology (DLT) / blockchain concepts (advantageous) • Strong problem-solving skills and ability to design simple solutions for complex challenges • Excellent communication skills and ability to work effectively in cross-functional teams What we offer: • Opportunity to work on large-scale, global banking and cloud transformation initiatives • Exposure to modern cloud-native and DevOps toolchains in a mature engineering environment • Real impact on the design, automation, and reliability of enterprise platforms • Collaboration with international, highly skilled engineering teams • Private medical healthcare (Lux Med) & 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.

🏢 Summary: Senior Frontend Engineer role focused on building and maintaining modern UI applications for a global payments platform in the financial sector. The position involves developing scalable front-end solutions and micro frontends supporting payment systems such as SEPA and SWIFT in an Agile, DevOps-driven environment. The engineer will contribute to high-performance interfaces, API integrations, and modernization of legacy UI components. 🗂️ Requirements: Strong hands-on experience with React 18, Strong hands-on experience with TypeScript 5, Experience with Bootstrap 5, Solid understanding of RESTful APIs, Experience with microservices architecture, Experience with SQL and relational databases, Proficiency in Java 8 or higher, Familiarity with JSP or legacy frontend technologies, Experience working in Agile environments, Experience working in DevOps environments, English proficiency at B2+ level 📃 Skills: React, TypeScript, Bootstrap, Java, SQL, REST, Microservices, JSP, SEPA, SWIFT, CI/CD, Agile, DevOps 🏢 Description: 📍 Location: Kraków, Poland (hybrid - 2 days per week in the office) 📄 B2B Contract: 180 - 230 PLN / hour We are looking for a Senior Frontend Engineer to join an international project delivered for a large organization within the financial services sector. The team is responsible for developing and maintaining a global payments platform that enables fast and secure fund transfers across multiple channels, including supplier payments, salaries, and tax transactions. This role focuses on building modern user interfaces and front-end services that support payment processing systems (e.g. SEPA, SWIFT) as well as internal tools used across the EMEA region. You will work in an Agile, DevOps-driven environment, contributing to scalable and high-performance solutions. Key Responsibilities: Develop and maintain modern front-end applications using React, TypeScript, and Java Build UI services and micro frontends supporting payment processing systems Collaborate with backend engineers to integrate APIs and microservices Improve system usability through intuitive interfaces and user-focused design Contribute to reducing operational complexity by building interactive tools and dashboards Support automation initiatives, including test automation and CI/CD improvements Enhance system efficiency and Straight-Through-Processing (STP) capabilities Maintain and modernize legacy UI components (e.g. JSP-based solutions) Work closely with stakeholders and distributed teams across different regions Requirements: Strong hands-on experience with React 18, TypeScript 5, Bootstrap 5 Solid understanding of RESTful APIs and microservices architecture Experience working with SQL and databases Java8+ essential, Java17+ preferable Familiarity with legacy frontend technologies (e.g. JSP) Experience working in Agile / DevOps environments Strong analytical and problem-solving skills English proficiency at B2+ level Nice to Have: Experience in payments / financial systems What We Offer: Long-term cooperation on an enterprise-scale international project Opportunity to work on high-impact global payment systems Real influence on user experience and internal platform development 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.