Senior Oracle Database Engineer (DBA)

🏢 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 Java Engineer role in a global banking transformation programme focused on building a next-generation in-house Collateral & Facility Management platform. The position involves developing enterprise-grade microservices on GCP while leveraging GenAI-assisted SDLC practices. You will deliver secure, scalable, production-ready solutions within international cross-functional teams. 🗂️ Requirements: Strong hands-on experience with Java, Strong hands-on experience with Spring Boot, Experience building production-grade microservices, Experience with distributed systems, Experience with Oracle and/or PostgreSQL, Experience with JUnit, Mockito, Testcontainers, Experience with API and contract testing, Experience with CI/CD pipelines, Experience with Jenkins or GitLab, Experience with SonarQube and SAST/DAST tools, Understanding of RESTful APIs and event-driven architectures, Hands-on experience with GCP, Knowledge of secure software development practices, Practical exposure to LLMs and GenAI-assisted development 📃 Skills: Java, Spring, SpringBoot, GCP, Oracle, PostgreSQL, JUnit, Mockito, Testcontainers, Jenkins, GitLab, SonarQube, SAST, DAST, REST, Microservices, CI/CD, LLM, GenAI 🏢 Description: 📍 Location: Kraków (hybrid: 2 days in the office / 3 days remote) 📄 B2B: 200 - 250 PLN/h 🏦 Industry: Banking We are currently looking for an experienced Senior Java Engineer with GCP / GenAI to join a strategic global banking programme focused on building next-generation Collateral & Facility Management capabilities. The initiative involves developing an in-house enterprise platform that will replace an existing commercial solution, leveraging modern engineering practices and an AI-enabled Software Development Lifecycle (SDLC). This role combines hands-on software engineering, cloud technologies, modern integration patterns, and responsible adoption of AI-assisted development. You will work within international cross-functional teams delivering scalable, secure, and production-ready solutions while contributing to the adoption of GenAI-powered engineering practices across the programme. Key responsibilities: Design, develop, test, and maintain enterprise-grade Java microservices and backend components. Contribute to solution architecture and integration design, ensuring alignment with target architecture and non-functional requirements. Deliver high-quality production code with a strong focus on security, resilience, maintainability, and performance. Build and support distributed services running in cloud environments. Develop robust automated testing strategies, including unit, integration, and contract testing. Participate in technical design reviews, code reviews, and security reviews, ensuring engineering quality standards are met. Collaborate with architects, Tech Leads, QA, SRE, platform teams, and business stakeholders to deliver integrated solutions. Support CI/CD processes, quality gates, and release management activities. Apply AI-assisted development tools and GenAI techniques responsibly to accelerate software delivery while maintaining governance, traceability, and security standards. Contribute to AI-enabled engineering practices, including LLM-assisted development, RAG concepts, and agent-based automation patterns. Promote engineering excellence, continuous improvement, and knowledge sharing across teams. Requirements: Strong hands-on experience with Java and Spring Boot in enterprise-scale environments. Experience building and maintaining production-grade microservices and distributed systems. Solid experience with relational databases ( Oracle and/or PostgreSQL ), including schema design, performance optimization, and transactional integrity. Strong testing background, including JUnit, Mockito, Testcontainers , API testing, and contract testing. Practical experience with CI/CD pipelines , quality gates, and code quality tools (e.g., Jenkins, GitLab, SonarQube, SAST/DAST). Good understanding of API design, RESTful services, messaging, and event-driven architectures. Experience contributing to technical design decisions and balancing business requirements with engineering best practices. Hands-on experience working with Google Cloud Platform (GCP) . Understanding of secure software development practices and operational readiness requirements. Practical exposure to GenAI tools and concepts , including LLMs and AI-assisted software development workflows. Strong communication skills and ability to work effectively within international, cross-functional teams. Nice to have: Experience delivering solutions within highly regulated financial services environments. Knowledge of cloud-native technologies, containers, Kubernetes, and service mesh architectures. Experience with observability platforms, resilience testing, and performance engineering. Hands-on experience implementing or integrating GenAI solutions such as RAG pipelines, prompt engineering, evaluation frameworks, or AI governance controls. Experience driving AI-enabled SDLC initiatives and engineering productivity improvements. Understanding of modern software delivery practices and platform engineering principles. What we offer: Opportunity to work on a strategic global banking transformation programme. Exposure to cutting-edge AI-enabled software engineering practices and cloud technologies. Collaboration with highly experienced international engineering and architecture 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.

🏢 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

🏢 Summary: Senior Java Full Stack Developer role focused on developing and supporting a global platform within a distributed engineering environment. The position combines backend and frontend development with DevOps and production support responsibilities. It involves ownership of application enhancements, incident resolution, and end‑to‑end service stability. 🗂️ Requirements: Strong experience with Java 21, Strong experience with Spring Boot 3.x, Experience with microservices architecture, Experience with REST APIs and JSON, Frontend development experience with React JS, Knowledge of PostgreSQL, Experience with messaging systems (MQ or Solace), Working knowledge of Kubernetes, Working knowledge of Redis, Understanding of application security principles, Experience with observability tools, Experience with DevOps tools, Ability to work in DevOps model across development and support, Experience in production support and incident resolution 📃 Skills: Java, Spring, Microservices, REST, JSON, React, PostgreSQL, MQ, Solace, Kubernetes, Redis, Grafana, Splunk, Logstash, Prometheus, OpenTelemetry, Zipkin, Jenkins, Ansible 🏢 Description: Senior Java Full Stack Developer 📍 Location: Kraków, Poland (hybrid: 2 days in the office , 3 days remote) 📄 B2B Contract: 190 – 230 PLN / hour We are looking for a Senior Java Full Stack Developer to join the Global HMS engineering team within Markets & Securities Services IT. In this role, you will contribute to the development and support of a key global platform, working closely with business stakeholders and distributed engineering teams. You will take ownership of application enhancements, production stability, and end‑to‑end support activities, ensuring high service quality and timely delivery. This position is ideal for someone who enjoys combining hands‑on development with operational responsibility, thrives in a global environment, and is comfortable working across backend, frontend, DevOps, and support streams. Key Responsibilities: Deliver application enhancements and provide day‑to‑day support within a global engineering setup. Collaborate with business stakeholders to plan and execute deliveries, ensuring milestones are met. Lead and resolve critical production incidents, driving fixes through to completion. Own end‑to‑end production support: handling tickets, queries, and operational requests. Diagnose and resolve application issues to maintain performance, reliability, and usability. Create and maintain technical documentation, best‑practice guidelines, and process artefacts. Act as an SME for service functionality, constraints, and operational considerations. Identify and escalate risks, issues, and dependencies during agile delivery. Continuously develop skills through training, certifications, and hands‑on learning. Requirements: Strong experience with Java 21 , Spring Boot 3.x , microservices , REST APIs , JSON . Frontend experience with React JS . Solid understanding of PostgreSQL and messaging technologies ( MQ/Solace ). Working knowledge of Kubernetes , Redis , and application security principles. Exposure to observability and DevOps tooling: Grafana , Splunk , Logstash , Prometheus , OpenTelemetry , Zipkin , Jenkins , Ansible . Strong communication skills and ability to collaborate across distributed teams. High responsiveness and ownership mindset, especially in production support contexts. Ability to produce clear, concise documentation and technical deliverables. Comfortable working in a DevOps model, contributing across analysis, testing, and support. Nice to Have: Basic Python , Activiti (workflow engine), JMock/Mockito , shell scripting. Experience with Selenium or Serenity . Background in workflow‑based applications. What We Offer: Long‑term cooperation in a global engineering environment. Real influence on service quality, operational stability, and delivery processes. Work in a multicultural, distributed team. 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 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 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: Hybrid Senior Python Developer role focused on building high-performance APIs, microservices, and large-scale data processing pipelines within NLP, Machine Learning, and Generative AI systems. The position involves developing event-driven architectures, optimizing streaming and GPU-based workloads, and collaborating with ML teams to productionize models. You will work across the full service lifecycle in a cloud-based, production environment. 🗂️ Requirements: 5+ years of experience building and maintaining production systems, Strong Python backend development experience, Experience building APIs with FastAPI, Flask, or similar frameworks, Hands-on experience with streaming or message-based systems, Strong knowledge of Docker and Kubernetes, Proficiency in Linux environments, Experience with AWS (compute, storage, networking, monitoring), Experience with CI/CD pipelines and automated testing, Experience with logging and monitoring tools 📃 Skills: Python, FastAPI, Flask, Kafka, Docker, Kubernetes, Linux, AWS, CI/CD, Git, REST, Microservices, NLP, MachineLearning, GenerativeAI, GPU, Go, .NET 🏢 Description: Senior Python Developer 📍 Gdańsk, Poland | Hybrid (3 days from the office, 2 days remote) About the Company An international technology organization delivering advanced solutions that support engineering workflows and knowledge management. The company develops platforms and tools that enable efficient data processing, automation, and decision-making at scale across complex business environments. About the Team The Core Intelligence team is responsible for building and operating core backend services and large-scale data processing pipelines. The team works at the intersection of NLP, Machine Learning, and Generative AI, transforming unstructured and semi-structured data into high-quality, actionable insights. You will collaborate closely with software engineers, data scientists, and ML engineers to deliver robust, production-grade systems that bring advanced models into real-world applications. Responsibilities Design and develop high-performance APIs supporting data processing and intelligent systems Build and maintain production-grade microservices and data pipelines Implement and operate event-driven architectures and streaming systems Optimize data pipelines including preprocessing, model serving, and inference (including GPU workloads) Participate in the full service lifecycle: design, development, deployment, monitoring, and continuous improvement Collaborate with Data Science and ML teams to productionize models Requirements 5 + years of experience building and maintaining production systems Strong Python skills (backend development, APIs – e.g., FastAPI, Flask , or similar) Hands-on experience with streaming/message-based systems (e.g., Kafka ) Solid understanding of Docker , Kubernetes , and Linux environments Experience working with cloud platforms (preferably AWS : compute, storage, networking, monitoring) Familiarity with CI/CD pipelines, automated testing, logging, and monitoring Experience with Go, .NET, or other programming languages is a plus. Nice to Have Experience with data-intensive systems Interest or experience in Machine Learning, Generative AI, or agent-based systems. We offer Hybrid work model: 3 days per week from our modern office in Gdańsk Przymorze, 2 days remote. Employment via Antal: choice of employment contract or B2B contract, depending on your preference. Strong engineering culture, direct access to experienced experts and real influence on architecture and technology choices. All necessary equipment for effective office and home work. Attractive benefits package including private medical care, Multisport, life insurance and wellbeing initiatives. 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 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: 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 Cloud DevOps Engineer role focused on designing, automating, and maintaining cloud and on-prem infrastructure for a mission-critical, high-volume financial platform operating in a distributed microservices architecture. The position involves building scalable IaC solutions, managing CI/CD pipelines, and ensuring high availability, security, and performance in a DevSecOps model across global teams. The role supports production systems in a highly controlled, enterprise-grade environment. 🗂️ Requirements: 8+ years of experience in DevOps / Cloud / Infrastructure engineering, Strong experience with Google Cloud Platform (GCP) including GKE, Cloud SQL, Pub/Sub, BigQuery, Cloud Operations, Hands-on experience with Jenkins, Ansible, Terraform, Docker, GitHub, Advanced scripting skills in Python or Shell, Strong Linux administration skills, Experience with containerized environments, Experience designing and maintaining CI/CD pipelines, Knowledge of PostgreSQL and relational databases, Experience with messaging systems (IBM MQ or similar) and sFTP, Understanding of TLS, certificates, secure communication protocols, Experience working with REST APIs using Python or Shell, Strong troubleshooting skills in network and distributed systems, Understanding of DevSecOps principles 📃 Skills: GCP, GKE, CloudSQL, PubSub, BigQuery, CloudOperations, Jenkins, Ansible, Terraform, Docker, GitHub, Python, Shell, Linux, Kubernetes, PostgreSQL, Oracle, IBMMQ, sFTP, TLS, REST 🏢 Description: 📍 Location: Kraków (hybrid: 2 days in the office / 3 days remote) 💰 B2B: 200 - 230 PLN/h We are looking for an experienced Senior Cloud DevOps Engineer to join a global engineering team supporting a mission-critical collateral and margining platform used within a large international financial institution. The platform supports high-volume daily processing for thousands of global banking clients and operates in a distributed microservices architecture across on-prem and cloud environments. The team operates in a DevSecOps model, collaborating across multiple global locations and delivering frequent production releases in a highly controlled, high-availability environment. Responsibilities • Design, develop, and maintain cloud and on-prem infrastructure for critical enterprise applications • Work with development teams to understand infrastructure requirements and translate them into scalable architectural solutions • Prepare and maintain technical design documentation and participate in architecture reviews • Build and maintain Infrastructure as Code (IaC) and automation tooling • Develop automation for operational tasks in Linux environments • Manage CI/CD pipelines and deployment processes across production and non-production environments • Ensure high availability, performance, scalability, and security of systems (cloud and on-prem) • Collaborate with SRE, DBA, networking, storage, and Linux teams to support production systems • Own build, release, and configuration management processes • Implement and maintain integration connectivity (MQ, sFTP, REST, file-based interfaces) • Identify opportunities for automation and reduce manual operational effort • Support Service Management activities (DR, backups, patching, upgrades, vulnerability management) • Troubleshoot complex infrastructure, application, and network issues • Perform system analysis and recommend improvements for performance and reliability Requirements • 8+ years of hands-on experience in DevOps / Cloud / Infrastructure engineering roles • Strong experience with Google Cloud Platform (GCP), including services such as GKE, Cloud SQL, Pub/Sub, BigQuery, and Cloud Operations • Strong hands-on experience with DevOps tooling: Jenkins, Ansible, Terraform, Docker, GitHub • Advanced scripting skills in Python and/or Shell (Go is a plus) • Strong Linux administration skills and experience with containerized environments • Experience in CI/CD pipeline design, implementation, and maintenance • Good knowledge of PostgreSQL and relational databases (Oracle experience is a plus) • Experience with messaging systems (IBM MQ or similar) and sFTP connectivity • Understanding of TLS, certificates, and secure communication protocols • Experience working with REST APIs using Python/Shell • Strong troubleshooting skills (network, infrastructure, distributed systems) • Solid understanding of DevSecOps principles • Excellent communication and stakeholder management skills • Ability to translate business and functional requirements into technical solutions • Proactive mindset with ability to work in a fast-paced, global environment Nice to Have • Experience in Java / microservices-based environments • Exposure to Solace or similar messaging platforms • Experience managing GCP projects using Terraform at scale • Hands-on experience with Kubernetes (K8S), Flux CD, GitOps practices • Familiarity with AI-assisted development tools (e.g., GitHub Copilot) • Experience in banking / financial services domain • Experience with supply of large-scale distributed systems in enterprise environments What We Offer • Work on a global, high-scale cloud and collateral platform within financial services • Long-term B2B cooperation • Exposure to modern cloud transformation and DevSecOps practices • Collaboration with international teams across multiple regions • Private medical care (LuxMed) • Sports card (Multisport) 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