Fullstack Developer with Python

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

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

🏢 Summary: B2B role for a Cybersecurity Automation Engineer focused on building automation solutions, API integrations, and CI/CD pipelines within containerized environments. The position combines Python development, infrastructure automation, and full‑stack engineering to support cybersecurity products across multiple environments. Work is delivered in a hybrid model with strong exposure to DevOps and system integration practices. 🗂️ Requirements: Strong proficiency in Python, Experience in cybersecurity, software development, or operations environments, Ability to work with Linux, Windows, or UNIX systems, Experience with containerized environments, Full-stack development experience with HTML, CSS, JavaScript, Knowledge of API design and standards (REST, SOAP, OpenAPI, Swagger, JSON), Experience with CI/CD pipelines and DevOps practices, Working knowledge of MSSQL, PostgreSQL, or MongoDB databases, Understanding of Agile methodologies 📃 Skills: Python, Linux, Windows, UNIX, Docker, HTML, CSS, JavaScript, REST, SOAP, JSON, OpenAPI, Swagger, CICD, DevOps, MSSQL, PostgreSQL, MongoDB, Agile 🏢 Description: Cybersecurity Automation Engineer Location: Kraków (hybrid model – 6 days per month onsite) Contract type: B2B Rate: 200–220 PLN/h Role overview: We are looking for an engineer with strong skills in automation, system integration, and software development to join the Cybersecurity Core Engineering team. The role combines Python development, infrastructure automation, API integrations, and work with modern containerized environments. You will collaborate within a multidisciplinary engineering team delivering end‑to‑end solutions that support cybersecurity products, data flows, and user interaction. The position sits at the intersection of software engineering, DevOps, and cybersecurity, offering significant opportunities for technical growth. Key responsibilities: Designing and developing automation solutions for infrastructure and web/application platforms. Building integrations between cybersecurity products using APIs, data pipelines, and UI components. Participating in scoping, planning, and prioritizing engineering work. Troubleshooting and resolving technical issues across DEV, UAT, PROD, and DR environments. Collaborating with platform teams, SMEs, and business stakeholders. Developing and maintaining CI/CD pipelines and DevOps practices. Contributing to continuous improvement within the engineering team. Supporting knowledge sharing and technical development within the group. Requirements: Strong proficiency in Python for scripting and web development. Experience in cybersecurity, software development, or operations environments. Ability to work with Linux, Windows, or UNIX systems and containerized environments. Full‑stack engineering experience, including HTML, CSS, and JavaScript. Experience with UI/UX tools such as Figma or wireframing is a plus. Knowledge of API design, OpenAPI/Swagger, REST, SOAP, and JSON. Familiarity with CI/CD, DevOps, and Agile methodologies. Working knowledge of databases such as MSSQL, PostgreSQL, or MongoDB. Background in roles such as Systems Engineer, Application Support, or Developer. Strong communication skills and a growth‑oriented mindset. What we offer: B2B cooperation with a stable, global organization. Rate of 200–220 PLN/h. Hybrid work model with 6 onsite days per month in Kraków. Private medical care (LuxMed). Multisport card. Work in a modern engineering environment with real impact on cybersecurity tooling. Opportunities to grow in automation, integrations, DevOps, and cybersecurity engineering. 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: FullStack Engineer role focused on building and maintaining cybersecurity solutions in a global IT environment. The position involves developing REST-based microservices, data pipelines, and integrations to detect and mitigate security threats. Work includes system design, automation, testing, and close collaboration with security teams in a hybrid model. 🗂️ Requirements: Very good knowledge of Python (FastAPI or Flask or Django), Experience with microservices architecture (CQRS, SAGA, event sourcing), Experience with Docker and Kubernetes, Very good knowledge of SQL, Experience with data warehouses (BigQuery or RedShift), Knowledge of Linux and networking basics (TCP/IP, DNS, Firewall), Experience with Git and branching strategies, Basic frontend knowledge (HTML, CSS, JavaScript), Experience with automated testing (unit, integration, functional), Knowledge of Agile and DevSecOps (Jira, Confluence) 📃 Skills: Python, FastAPI, Flask, Django, Microservices, CQRS, SAGA, EventSourcing, REST, Docker, Kubernetes, SQL, BigQuery, RedShift, Linux, TCPIP, DNS, Firewall, Git, HTML, CSS, JavaScript, UnitTesting, IntegrationTesting, FunctionalTesting, Agile, DevSecOps, Jira, Confluence, ETL 🏢 Description: FullStack Engineer Obszar: Cybersecurity Tryb pracy: hybrydowy 2 dni z biura Klienta w Krakowie O roli Do zespołu technologicznego poszukujemy Inżyniera FullStack, który wesprze rozwój rozwiązań z obszaru cyberbezpieczeństwa. Osoba na tym stanowisku będzie współpracować z ekspertami bezpieczeństwa oraz zespołami technologicznymi, tworząc i rozwijając systemy chroniące środowisko IT w organizacji o globalnym zasięgu. Rola obejmuje projektowanie, rozwój i utrzymanie usług oraz narzędzi służących do identyfikacji i eliminacji zagrożeń bezpieczeństwa. Zakres obowiązków Projektowanie i rozwój aplikacji oraz usług (głównie REST API) Tworzenie integracji z narzędziami firm trzecich Budowa pipeline’ów danych oraz procesów ETL Utrzymanie i rozwój istniejących systemów (debugowanie, poprawki błędów) Tworzenie i rozwijanie testów automatycznych Przeglądy kodu oraz wsparcie mniej doświadczonych członków zespołu Współpraca z zespołami cyberbezpieczeństwa przy analizie zagrożeń i wdrażaniu rozwiązań Usprawnianie procesów wytwarzania oprogramowania (automatyzacja, optymalizacja) Wymagania (must have) Bardzo dobra znajomość Pythona (np. FastAPI, Flask lub Django) Doświadczenie w architekturze mikroserwisowej (np. CQRS, SAGA, event sourcing) Znajomość Dockera i Kubernetes Bardzo dobra znajomość SQL Doświadczenie z hurtowniami danych (np. BigQuery, RedShift) Znajomość systemów Linux i podstaw sieci (TCP/IP, DNS, firewalle) Umiejętność pracy z Git (różne strategie branchowania) Podstawowa znajomość frontend (HTML, CSS, JavaScript) Doświadczenie w testach automatycznych (unit, integracyjne, funkcjonalne) Znajomość metodyk Agile i DevSecOps (np. Jira, Confluence) Bardzo dobre umiejętności komunikacyjne Umiejętność pracy w dynamicznym środowisku zespołowym Chęć nauki i dzielenia się wiedzą Mile widziane (nice to have) Doświadczenie w cyberbezpieczeństwie (SAST, DAST, testy penetracyjne, fuzzing) Doświadczenie z chmurą (AWS, GCP, Azure) oraz narzędziami typu Terraform, Prometheus Znajomość frontend frameworków (np. React) Doświadczenie z bazami danych (Postgres, MSSQL, MongoDB) Znajomość systemów kolejkowych (Kafka, RabbitMQ) Oferujemy Pracę nad rozwiązaniami o dużej skali i znaczeniu biznesowym Możliwość rozwoju w obszarze cyberbezpieczeństwa i nowoczesnych technologii Współpracę z międzynarodowym zespołem ekspertów Elastyczne formy pracy (B2B/UOP) Atrakcyjne wynagrodzenie i pakiet benefitów (LuxMed, Kafeteria MyBenefit) Co zyskasz dzięki aplikacji na ofertę Antal? Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział. Kim jesteśmy? Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska.

🏢 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: Lead role responsible for defining and executing test strategies for cybersecurity platforms within Kubernetes and cloud environments. The position focuses on building automated testing frameworks integrated with CI/CD and DevSecOps pipelines, ensuring end-to-end quality across security solutions. The role also includes mentoring team members and driving QA standards and automation initiatives. 🗂️ Requirements: 5+ years of experience in software development or test automation, Leadership experience in QA or test automation teams, Experience building and executing test strategies, Strong knowledge of CI/CD and DevSecOps practices, Understanding of secure SDLC principles, Hands-on experience with Kubernetes, Experience working in cloud environments, Ability to define and analyze QA metrics 📃 Skills: Kubernetes, Cloud, CICD, DevSecOps, SDLC, Automation, Security, QA, GRC, Metrics 🏢 Description: Test Automation Engineer Lead (Cybersecurity) We are looking for a Test Engineer Lead to join a global Cyber Security team responsible for application and infrastructure security testing across pre-production and production environments. The team develops and integrates security scanning, vulnerability management, and reporting solutions within a Kubernetes and cloud-based ecosystem. Type of contract: B2B (hourly rate, no paid days off) Hybrid model: 6 days per month from the office (Cracow/ Warsaw) Key Responsibilities Define and implement comprehensive test strategies for security platforms and services. Design, automate, and integrate testing frameworks within CI/CD and DevSecOps pipelines. Ensure end-to-end quality assurance across deployments. Collaborate closely with development, security, and operations teams. Drive automation initiatives to improve efficiency and coverage. Mentor team members and establish testing standards and best practices. Report QA metrics and progress to senior stakeholders. Requirements 5+ years of experience in software development and/or test automation, including leadership experience. Proven experience building and executing test strategies. Strong understanding of CI/CD, DevSecOps, and secure SDLC principles. Hands-on experience with Kubernetes and cloud environments. Ability to define and analyze QA metrics. Knowledge of Governance, Risk & Compliance frameworks is a strong advantage. What We Offer Participation in a global, high-impact project Cooperation based on a B2B contract (hourly rate, no paid days off) + Benefits Hybrid model: 2 days per week from the office in Cracow/ Warsaw. 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: Site Reliability Engineer role focused on supporting and enhancing a next-generation Counterparty Credit Risk platform built on microservices and hybrid cloud infrastructure. The position involves ensuring reliability, scalability and performance of distributed systems while contributing to cloud migration and DevOps transformation. The engineer will manage production incidents, improve observability and support CI/CD and automation initiatives. 🗂️ Requirements: 4+ years experience with distributed systems in Java environments, Experience in application support and production incident management, Strong troubleshooting and analytical skills, Experience with CI/CD tools (Jenkins, Ansible, JIRA, Confluence), Knowledge of monitoring and logging tools (Grafana, Prometheus, InfluxDB, Splunk or similar), Basic knowledge of cloud platforms (GCP preferred), Knowledge of relational databases (Oracle, PostgreSQL), Experience with disaster recovery processes, Familiarity with Unix/Linux environments, Experience working with cross-platform systems (Java/Python) 📃 Skills: Java, Spring, GCP, Redis, REST, Ansible, Jenkins, Grafana, Prometheus, InfluxDB, Splunk, Loki, Oracle, PostgreSQL, Linux, Apache, Beam, Flink, JIRA, Confluence 🏢 Description: Site Reliability Engineer Department: Market Securities & Services Hybrid working model (2 days per week in Kraków office) For our Client – a leading international financial institution and one of the largest investment banks globally – we are looking for a Site Reliability Engineer to join the Market Securities & Services IT division. The role sits within the Counterparty Credit Risk (CCR) Technology team , responsible for delivering critical risk calculation platforms used globally. The team is currently building the next generation of Counterparty Credit Risk Engines, including cloud migration and development of in-house analytical libraries to replace vendor solutions. This is a unique opportunity to join a growing engineering team in Kraków and contribute to a strategic, multi-year transformation programme. About the Team & Technology Landscape The new CCR platform is based on microservices architecture and leverages modern open-source technologies. It runs across Google Cloud Platform and on-premise infrastructure. Technologies include: Java SE, Spring Boot, Spring Cloud, Apache Beam, Apache Flink, GCP, Redis, REST APIs, Ansible, Jenkins. The organisation is heavily investing in Agile ways of working, DevOps practices, CI/CD pipelines, and Cloud technologies. Your Responsibilities Manage application support operations with focus on resiliency, availability and performance Coordinate production incident resolution and conduct post-mortems / root cause analysis Investigate and resolve complex production issues across distributed systems Contribute to continuous service improvement and knowledge base documentation Actively engage in Incident, Problem and Service Management processes Apply SRE principles to enhance reliability, scalability and observability Develop and improve monitoring, alerting and incident detection mechanisms Support hybrid cloud environments and automation initiatives Work in a 2-shift rotation (8:00 AM start / 4:00 PM start) Participate in weekend and on-call rotations What We Are Looking For 4+ years of experience supporting and/or developing distributed systems (Java-based environments) Strong troubleshooting and analytical skills Experience with disaster recovery processes Hands-on experience with application lifecycle and CI/CD tooling (JIRA, Confluence, Jenkins, Ansible) Experience supporting complex, cross-platform systems (Java / Python environments) Knowledge of Agile/Kanban delivery models Experience implementing monitoring and logging frameworks (e.g. Grafana, InfluxDB, Prometheus, Splunk, Loki or similar) Basic knowledge of relational databases (Oracle, PostgreSQL) Understanding of cloud platforms (preferably GCP) Familiarity with Unix/Linux environments Ability to lead technical discussions with global support teams Strong communication skills and ability to work across regions Technical Requirements Core Java knowledge Application support experience Monitoring tools (Grafana, InfluxDB, Prometheus or similar) Basic cloud knowledge (GCP preferred) Automation tools (Jenkins, Ansible) Knowledge of relational databases (Oracle, PostgreSQL) Why Apply? Opportunity to work on business-critical global risk platforms Participation in a large-scale cloud and architecture transformation Modern technology stack and DevOps culture Hybrid working model (2 days per week in Kraków office) Long-term project within a stable, global financial 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.

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

🏢 Summary: Senior Full Stack Engineer role focused on building and scaling a global cloud-based platform using Node.js and TypeScript. The position involves designing scalable microservices, event-driven systems, and modern React/Next.js applications handling large volumes of real-time data. The engineer will contribute to architecture, API design, and system reliability across distributed systems. 🗂️ Requirements: 5+ years of software engineering experience, Strong expertise in Node.js, Strong expertise in TypeScript, Experience with event-driven architectures, Advanced knowledge of asynchronous programming, Experience designing and maintaining complex APIs, Strong experience with React and Next.js, Hands-on experience with automated testing frameworks, Experience with SQL and/or NoSQL databases, Familiarity with Elasticsearch or OpenSearch 📃 Skills: Node.js, TypeScript, React, Next.js, Kafka, RabbitMQ, SQL, NoSQL, Elasticsearch, OpenSearch, Jest, Vitest, Playwright, Microservices, APIs, EventDriven, Asynchronous, Testing, Architecture 🏢 Description: Senior Full Stack Engineer (Node.js & TypeScript) About the Role We are looking for a Senior Full Stack Engineer to join a team building and scaling a global cloud-based platform. In this role, you will work on both backend services and modern web applications, helping to design highly scalable systems that process large volumes of real-time data while delivering seamless user experiences. Responsibilities System Architecture Design and develop scalable microservices using Node.js and TypeScript. Ensure high availability, reliability, and low latency across distributed systems. Contribute to architectural decisions and long-term platform scalability. Backend Development & Event-Driven Systems Build and optimize event-driven and asynchronous workflows. Work with messaging technologies such as Kafka or RabbitMQ. Design solutions capable of handling large-scale real-time data processing. API Design Own the design and evolution of APIs. Create high-performance, type-safe interfaces connecting multiple services and applications. Promote best practices around API versioning and contract-driven development. Frontend Development Develop modern web applications using React and Next.js. Focus on performance, maintainability, and excellent user experience. Implement efficient state management solutions and responsive interfaces. Quality & Reliability Design and maintain comprehensive testing strategies, including Unit, Integration, and End-to-End testing. Work with tools such as Jest, Vitest, and Playwright. Contribute to a culture focused on code quality and system reliability. Requirements 5+ years of experience in software engineering. Strong expertise in Node.js and TypeScript. Experience designing and implementing event-driven architectures. Advanced knowledge of asynchronous programming patterns. Proven experience designing and maintaining complex APIs. Strong frontend development skills with React and Next.js. Hands-on experience with automated testing frameworks. Experience with SQL and/or NoSQL databases. Familiarity with search technologies such as Elasticsearch or OpenSearch. Professional-level English communication skills. Ability to collaborate across teams and support technical decision-making. Nice to Have Interest or experience in AI-related projects. Knowledge of vector databases. Experience building services in Python. What’s Offered Opportunity to work on large-scale, modern cloud solutions. Influence on architecture and technical direction. Collaborative engineering culture with knowledge-sharing initiatives. Stable employment in an international environment. Flexible working hours and hybrid work model. Comprehensive benefits package, including private healthcare, sports card, insurance options, and additional employee perks. 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