June 16, 2026
Specialist Quantitative Developer (Python, Pandas, SQL)
Mid • Hybrid
Krakow, Poland
For our Client we are looking for an experienced Developer (Python, Pandas, SQL) who will be responsible for extension of existing python model.
📍 Location: Kraków, hybrid work model – 2 days per week in the office, 3 days remote
🕒 Cooperation model: [Full-time / B2B]
📍 Project for our Client from the financial sector
Key Responsibilities:
Extension of existing python model
Engagement with Front Office and Product Control on development requirements
Ensuring automated tests coverage (unit, integration and regression tests)
Engagement with stakeholders for expectation setting and delivery of the changes
Requirements:
3+ years of commercial experience in similar position
Strong knowledge & practical experience with Python and SQL Server
Experience with data processing in python (Pandas) and understanding of web APIs (FastAPI)
Experience with developing quantitative models in python
Readiness to work in a challenging environment of quantitative analysts
Fluency in English (both spoken and written)
Good communication skills, willingness to learn, attention to details and consideration of timelines
Nice to have:
Experience in C++ (some core components of infrastructure are written in that language)
Knowledge of Asset Backed Securities and the relevant IFRS9 regulations
Benefits:
Private medical care (Luxmed)
Multisport card
Collaborative team culture and modern tech stack
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
Similar jobs you might like
Technology
Antal Sp. z o.o.
Python Developer
Mid
Hybrid
Krakow, Poland
🏢 Summary: Offer for a Python Developer with 3+ years of experience to design, develop, and maintain scalable applications and services. The role focuses on writing clean, testable code, applying design patterns, and performing data processing using scientific libraries. The position involves building efficient solutions with proper algorithms, data structures, and unit testing practices. 🗂️ Requirements: Minimum 3 years commercial experience with Python, Practical knowledge of NumPy, Practical knowledge of pandas, Understanding of software design patterns, Knowledge of algorithms, Knowledge of data structures, Experience writing unit tests 📃 Skills: Python, NumPy, pandas, Algorithms, DataStructures, UnitTesting, DesignPatterns, gRPC, GCP 🏢 Description: Python Developer We are looking for a skilled Python Developer with at least 3 years of professional experience to join our team and contribute to the development of high-quality software solutions. The ideal candidate has strong Python expertise, a solid understanding of software engineering principles, and a passion for clean, efficient, and testable code. Responsibilities: Design, develop, and maintain applications and services using Python Write clean, efficient, and well-structured code in line with best practices and design patterns Perform data processing and analysis using libraries such as NumPy and pandas Develop and maintain unit tests to ensure code quality and reliability Collaborate with cross-functional teams to design and deliver new features Apply appropriate algorithms and data structures to build scalable and efficient solutions Participate in code reviews and contribute to continuous improvement Requirements: Minimum 3 years of commercial experience working with Python Practical knowledge of NumPy and pandas libraries Good understanding of software design patterns Solid knowledge of algorithms and data structures Experience in writing unit tests Openness to a hybrid work model (working from the Kraków office once per week) Nice to have: Experience with gRPC Familiarity with Google Cloud Platform (GCP) Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.
Technology
Antal Sp. z o.o.
Python Developer
Mid
Hybrid
Krakow, Poland
🏢 Summary: The offer is for a Python Developer with at least 3 years of experience to design, develop, and maintain scalable applications and services. The role focuses on writing clean, testable code, applying algorithms and design patterns, and performing data processing using scientific libraries. It involves contributing to high-quality software solutions in a collaborative, hybrid work environment. 🗂️ Requirements: Minimum 3 years of commercial experience with Python, Practical knowledge of NumPy, Practical knowledge of pandas, Understanding of software design patterns, Knowledge of algorithms and data structures, Experience in writing unit tests, Availability for hybrid work model (once per week in Kraków office) 📃 Skills: Python, NumPy, pandas, Algorithms, DataStructures, UnitTesting, gRPC, GCP 🏢 Description: Python Developer We are looking for a skilled Python Developer with at least 3 years of professional experience to join our team and contribute to the development of high-quality software solutions. The ideal candidate has strong Python expertise, a solid understanding of software engineering principles, and a passion for clean, efficient, and testable code. Responsibilities: Design, develop, and maintain applications and services using Python Write clean, efficient, and well-structured code in line with best practices and design patterns Perform data processing and analysis using libraries such as NumPy and pandas Develop and maintain unit tests to ensure code quality and reliability Collaborate with cross-functional teams to design and deliver new features Apply appropriate algorithms and data structures to build scalable and efficient solutions Participate in code reviews and contribute to continuous improvement Requirements: Minimum 3 years of commercial experience working with Python Practical knowledge of NumPy and pandas libraries Good understanding of software design patterns Solid knowledge of algorithms and data structures Experience in writing unit tests Openness to a hybrid work model (working from the Kraków office once per week) Nice to have: Experience with gRPC Familiarity with Google Cloud Platform (GCP) Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.
Technology
Antal Sp. z o.o.
Full Stack Developer (JavaScript / CSS / Node JS/ basic Java)
Senior
Hybrid
Krakow, Poland
🏢 Summary: Fullstack Developer role in the financial sector focused on delivering end-to-end features across the development lifecycle, including analysis, design, testing, and production support. The position involves iterative delivery of business requirements, backend collaboration, and maintaining a balance between new features and technical debt. Hybrid work model with regular on-site presence in Kraków. 🗂️ Requirements: 5+ years commercial experience as Fullstack Developer, Strong experience with JavaScript, Strong experience with CSS, Experience with NodeJS (client and server), Knowledge of Accessibility standards and implementation, Working knowledge of Unix, Understanding of databases from consumer perspective, Knowledge of HTTP APIs and RESTful services, Basic knowledge of Java or Kotlin, Fluent English 📃 Skills: JavaScript, CSS, NodeJS, Unix, REST, HTTP, Java, Kotlin, Databases, Accessibility 🏢 Description: For our Client we are looking for an experienced Fullstack Developer to participate in all parts of the development life cycle including analysis, testing and production support. 📍 Location : Kraków, hybrid work model – 2 days per week in the office, 3 days remote 🕒 Cooperation model: [Full-time / B2B] 📍 Project for our Client from the financial sector Key Responsibilities: Work within a team of developers with a dedicated product owner Take a business requirement, divide it up into stories and deliver each story iteratively to production Product support is integral to the role Identify areas of technical debt, ensure a healthy balance of tech debt and new functionality is prioritised and worked on For new items you need to design the solution and ensure that it follows technology guidelines and constraints Pairing with other members of the team Willing to work also with backend Requirements: 5+ years of commercial experience in similar position Demonstratable experience of JavaScript, CSS & Node JS (client & server) Awareness of best Accessibility practices and knowledge how to implement them Working knowledge of unix Must understand databases from a consumer point of view Knowledge of HTTP APIs e.g. RESTful APIs Basic Java or Kotlin knowledge Nice to have UX knowledge and ability to propose improvements to business requirements Fluent English Benefits: Private medical care (Luxmed) Multisport card Collaborative team culture and modern tech stack 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
Technology
Antal Sp. z o.o.
Senior Python Developer
Senior
Hybrid
Gdansk, Poland
🏢 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
Technology
Antal Sp. z o.o.
AWS Python Develper
Senior
Hybrid
Krakow, Poland
30,000 - 38,500 PLN/hr
🏢 Summary: Hybrid B2B role for an experienced AWS Python Developer supporting a strategic cloud engineering initiative in the banking sector. The position focuses on building secure, scalable and automated AWS solutions aligned with a Cloud First strategy within international Agile teams. It combines hands-on Python development, DevOps automation, Infrastructure as Code and cloud security in enterprise-scale environments. 🗂️ Requirements: Strong hands-on Python development and automation experience, Practical experience with AWS services in enterprise environments, Experience with CI/CD tools: Jenkins, Git, Ansible, Experience with Infrastructure as Code using Terraform, Knowledge of DevOps practices and Agile methodologies, Experience deploying and troubleshooting cloud-based solutions, Knowledge of Linux or Windows operating systems, Understanding of AWS cloud security principles, Experience with automation and operational support processes 📃 Skills: Python, AWS, Jenkins, Git, Ansible, Terraform, Linux, Windows, CI/CD, DevOps 🏢 Description: 📍 Kraków | Hybrid: 2 days office / 3 days remote 📄 B2B: 180 – 230 PLN/h 🏦 Industry: Banking We are currently looking for an experienced AWS Python Developer to join a strategic cloud engineering initiative within the banking sector. The role focuses on supporting enterprise-scale cloud adoption and building secure, scalable and automated AWS-based solutions aligned with a Cloud First strategy. You will work within international engineering teams responsible for developing and supporting modern cloud platforms across a broad AWS ecosystem. This position combines hands-on Python development, AWS engineering, DevOps automation and cloud security, with a strong focus on operational resilience, scalability and secure infrastructure delivery. Key responsibilities Design, develop and support cloud-native solutions within AWS environments Collaborate with application teams to deploy and optimize applications on AWS platforms Develop automation solutions and operational tooling using Python Build and maintain Infrastructure as Code solutions using Terraform where required Develop and enhance security controls aligned with cloud security best practices Support compliance dashboard improvements and operational monitoring initiatives Participate in major incident investigations and provide rotational 24/7 support coverage Design and maintain CI/CD pipelines using Jenkins, Git and Ansible Contribute to automation, scalability and operational excellence initiatives across cloud environments Collaborate with international engineering and infrastructure teams in Agile delivery environments Ensure alignment with secure engineering standards, compliance requirements and DevOps best practices Requirements Strong hands-on experience with Python development and automation Practical experience working with AWS services in enterprise-scale environments Strong knowledge of CI/CD tooling including Jenkins, Git and Ansible Experience with Infrastructure as Code solutions such as Terraform Good understanding of DevOps practices and Agile delivery methodologies Experience deploying, supporting and troubleshooting cloud-based solutions Good knowledge of Linux and/or Windows operating systems Strong understanding of cloud security principles and secure solution delivery in AWS environments Experience working with automation, deployment and operational support processes Ability to work effectively within international and cross-functional engineering teams Strong engineering mindset focused on ownership, reliability and automation Nice to have Experience with non-functional testing practices Knowledge of risk management and regulatory compliance processes Experience working within highly regulated enterprise environments Experience supporting large-scale cloud transformation initiatives Passion for cloud technologies, automation and continuous improvement What we offer Opportunity to work on strategic global cloud engineering initiatives Collaboration with highly experienced international engineering teams Long-term cooperation within a stable enterprise-scale environment Hybrid working model with flexible remote work opportunities Private healthcare package 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.
Technology
Antal Sp. z o.o.
Fullstack Engineer (Java, React)
Senior
Hybrid
Krakow, Poland
🏢 Summary: Fullstack Developer role in the financial sector, responsible for designing and developing scalable Java-based applications across the full SDLC. The position involves backend and frontend development, UI improvements, DevOps activities, and production support in a hybrid work model. The role also includes architecture participation, database optimization, and service lifecycle management. 🗂️ Requirements: 5+ years of experience in Java production application development, Experience in frontend development (React preferred), Proficiency in Java and WebAPI development, Experience in building and maintaining scalable backend services, Strong database design and SQL skills, Hands-on experience with PostgreSQL and advanced T-SQL, Experience with CI/CD and DevOps practices, Experience across full SDLC, Fluent English 📃 Skills: Java, React, WebAPI, PostgreSQL, SQL, T-SQL, CI, CD, DevOps, SDLC 🏢 Description: For our Client we are looking for an experienced Fullstack Developer to participate in all parts of the development life cycle including analysis, testing and production support. 📍 Location : Kraków, hybrid work model – 2 days per week in the office, 3 days remote 🕒 Cooperation model: [Full-time / B2B] 📍 Project for our Client from the financial sector Key Responsibilities: Participating in software architecture design Leading UI changes and improvements to increase overall UX and application stability Implementing solutions according to best Design Patterns Analyze requirements to fully understand solutions and recommend improvements Create comprehensive and clear documentation for developed solutions Develop and work on application prototypes to validate concepts and designs Management of Changes through the Service management lifecycle Active involvement in Automation and improvement of Service Management lifecycle Provide exceptional customer support by addressing and resolving issues promptly Communicate effectively with customers to understand their needs and provide appropriate solutions Requirements: 5+ professional experience in production applications development in Java including front-end development (preferably React) with a strong ability to troubleshoot, resolve, and prevent issues in a high-pressure environment Proficiency in Java and Web API development, with a solid understanding of building and maintaining scalable, secure, and efficient backend services Expertise in database design and SQL skills, particularly with PostgreSQL including advanced T-SQL scripting, query optimization, and performance tuning Comprehensive experience in a DevOps activities like continuous integration, continuous delivery Experience with the Software Development Life Cycle (SDLC), including requirements gathering, design, development, testing, deployment, and maintenance Fluent English Benefits: Private medical care (Luxmed) Multisport card Collaborative team culture and modern tech stack 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
Technology
Antal Sp. z o.o.
Fullstack Developer (Python, Java)
Senior
Hybrid
Kraków, Poland
🏢 Summary: Fullstack Developer role focused on building and maintaining scalable backend and frontend applications using Python, Java, and .NET technologies in a hybrid work model. The position includes API development, SQL database management, infrastructure automation with Ansible, observability implementation using OpenTelemetry, and IIS web hosting. The role involves collaboration with DevOps, SRE, and frontend teams in a financial sector project. 🗂️ Requirements: 5+ years of experience in a similar position, Proficiency in Python, Proficiency in Java, Proficiency in .NET, Experience designing and implementing RESTful APIs, Expertise in SQL, Hands-on experience with Ansible, Proficiency in OpenTelemetry, Experience with IIS, Strong analytical and debugging skills, Fluency in English 📃 Skills: Python, Java, NET, SQL, Ansible, OpenTelemetry, IIS, REST, Prometheus, Grafana, Splunk 🏢 Description: For our Client we are looking for an experienced Fullstack (Python, Java) Developer. The ideal candidate will have expertise in both backend and frontend development, with a strong focus on Python, API development, and SQL. Additionally, experience with Ansible for automation, IIS for web hosting, and proficiency in Java, .NET frameworks, and OpenTelemetry for observability is essential. This role involves designing, developing, and maintaining scalable applications while ensuring seamless integration across various platforms. 📍 Location : Kraków, hybrid work model – 2 days per week in the office, 3 days remote 🕒 Cooperation model: [Full-time / B2B] 📍 Project for our Client from the financial sector What you’ll do: Backend Development: • Design, develop, and maintain APIs using Python and other relevant frameworks • Work with SQL databases to create, optimize, and manage queries and data models • Develop and maintain backend services using Java and .NET frameworks • Automate infrastructure and deployment processes using Ansible Observability and Monitoring: • Implement and configure OpenTelemetry to ensure end-to-end observability of applications • Instrument code to collect telemetry data (traces, metrics, and logs) for monitoring and troubleshooting • Collaborate with DevOps and SRE teams to integrate telemetry data into monitoring tools like Prometheus, Grafana, or Splunk Frontend Development: • Collaborate with frontend developers to ensure seamless integration between backend services and user interfaces • Contribute to the design and development of user-facing features • Web Hosting and Deployment: • Configure and manage IIS (Internet Information Services) for hosting web applications • Ensure high availability, scalability, and security of hosted applications Collaboration and Problem-Solving: • Work closely with cross-functional teams to gather requirements and deliver solutions • Troubleshoot and resolve issues across the full stack, ensuring optimal performance and reliability Code Quality and Best Practices: • Write clean, maintainable, and efficient code • Follow best practices for version control, testing, and deployment Requirements: 5+ years of experience in similar position Programming Languages: Proficiency in Python, Java, and .NET API Development: Strong experience in designing and implementing RESTful APIs Database Management: Expertise in SQL for database design, optimization, and querying Automation: Hands-on experience with Ansible for configuration management and automation Observability: Proficiency in OpenTelemetry for collecting and analyzing telemetry data (traces, metrics, logs) Web Hosting: Experience with IIS for deploying and managing web applications Problem-Solving: Strong analytical and debugging skills to troubleshoot complex issues Fluency in English (both spoken and written) Benefits: Private medical care (Luxmed) Multisport card Collaborative team culture and modern tech stack 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
Technology
Antal Sp. z o.o.
Mid Python Developer
Mid
Hybrid
Krakow, Poland
🏢 Summary: Mid-level Python Developer role in an international financial environment, working in a hybrid model (6 days per month from the Kraków office) on a B2B contract. The position involves developing and maintaining Python-based solutions with a focus on data processing and software quality. The role includes participation in international IT projects. 🗂️ Requirements: Commercial experience with Python, Practical knowledge of NumPy, Practical knowledge of pandas, Knowledge of design patterns, Knowledge of algorithms, Knowledge of data structures, Ability to write unit tests 📃 Skills: Python, NumPy, pandas, Algorithms, DataStructures, UnitTesting, gRPC, GCP 🏢 Description: Mid Python Developer Dla naszego klienta z międzynarodowego sektora finansowego poszukujemy specjalisty na stanowisko Mid Python Developer. Lokalizacja: praca w modelu hybrydowym 6 dni na miesiąc z biura w Krakowie Współpraca: B2B Wymagania: Doświadczenie w pracy z Pythonem Praktyczna znajomość bibliotek NumPy oraz pandas Znajomość wzorców projektowych Znajomość algorytmów oraz struktur danych Umiejętność pisania testów jednostkowych Mile widziane: Znajomość gRPC Doświadczenie z Google Cloud Platform (GCP) Oferujemy: Udział w międzynarodowych projektach IT, Stabilne zatrudnienie oraz atrakcyjne warunki wynagrodzenia, Pracę w międzynarodowym środowisku ekspertów, Benefity: LuxMed, kafeteria MyBenefit Co zyskasz dzięki aplikacji na ofertę Antal? Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział. Kim jesteśmy? Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska. Sprawdź inne aktualne oferty pracy na: https://antal.pl/dla-kandydata Zaobserwuj nasz profil na LinkedIn: https://www.linkedin.com/company/antalpoland
Technology
Antal Sp. z o.o.
Python Developer (Data Engineering)
Mid
Hybrid
Warsaw, Poland
60 - 100 PLN
🏢 Summary: The offer is for a Python Developer in a Data Engineering team responsible for designing and developing data processing solutions for telecom network data, supporting service quality monitoring and SLA reporting. The role involves building and optimizing data-intensive systems, participating in environment transformation projects, and maintaining modern data architectures. The position is hybrid-based in Warsaw with options for B2B or employment contract. 🗂️ Requirements: Minimum 3 years of experience in Python, Strong knowledge of SQL, Experience with Oracle, Experience working in Linux environments, Ability to design and develop data processing solutions, Experience in maintaining and optimizing production systems, English proficiency for technical documentation 📃 Skills: Python, SQL, Oracle, Linux, ETL, DataWarehouse, PostgreSQL, Kafka, Kubernetes, Elasticsearch 🏢 Description: Python Developer (Data Engineering) Lokalizacja: Warszawa, Wola- model hybrydowy (3 dni pracy z biura/ 2 dni pracy zdalnej) Start: ASAP 2026 Umowa: UoP/ B2B (outsourcing) W związku z rozwojem zespołu Data Engineering poszukujemy Python Developera, który będzie odpowiedzialny za projektowanie i rozwój rozwiązań przetwarzających dane z sieci telekomunikacyjnej oraz wspierających procesy monitorowania jakości usług i raportowania SLA. Zakres odpowiedzialności Tworzenie i rozwój modułów przetwarzających dane z sieci telekomunikacyjnej Projektowanie oraz rozwój oprogramowania wspierającego monitoring i raportowanie jakości sieci i usług, w tym rozliczenia SLA Udział w projekcie transformacji środowisk (modernizacja i optymalizacja rozwiązań) Utrzymanie, optymalizacja i rozwój wyprodukowanych rozwiązań Współpraca z zespołami technicznymi i biznesowymi w środowisku międzynarodowym Wymagania Minimum 3 lata doświadczenia w programowaniu w Python Dobra znajomość SQL (preferowany Oracle) Swobodne poruszanie się w środowiskach Linux Zdolności analityczne oraz umiejętność rozwiązywania problemów Komunikatywność i umiejętność pracy zespołowej Znajomość języka angielskiego umożliwiająca pracę z dokumentacją techniczną i w środowisku międzynarodowym Nice to have: Znajomość zasad działania sieci telekomunikacyjnej Doświadczenie z PostgreSQL, Apache Kafka, Kubernetes, Elasticsearch Znajomość zagadnień ETL oraz Data Warehouse Oferujemy Udział w projektach związanych z przetwarzaniem dużych wolumenów danych (data-intensive systems) Możliwość pracy przy transformacji środowisk i nowoczesnych architekturach danych Realny wpływ na rozwój rozwiązań wspierających kluczowe procesy biznesowe Pracę w środowisku międzynarodowym Kontrakt B2B (stawka godzinowa) + Luxmed + MyBenefit Co zyskasz dzięki aplikacji na ofertę Antal? Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział. Kim jesteśmy? Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska. Sprawdź inne aktualne oferty pracy na: https://antal.pl/dla-kandydata Zaobserwuj nasz profil na LinkedIn: https://www.linkedin.com/company/antalpoland
Technology
Antal Sp. z o.o.
Senior Python Developer
Senior
Hybrid
Krakow, Poland
🏢 Summary: Senior Python Developer role in Financial Engineering focused on building and maintaining Python libraries for credit risk modeling within a global risk analytics environment. The position combines backend development, close collaboration with risk modelers, and delivering production-ready solutions that impact global risk measurement processes. Hybrid work model with regular office presence in Krakow. 🗂️ Requirements: Several years of commercial experience in Python, Strong object-oriented programming knowledge, Experience with TDD and pytest, Knowledge of good programming practices and code review, Ability to write pythonic code and identify code smells, Knowledge of SOLID principles and design patterns, Experience with Git, Experience working in Agile environment 📃 Skills: Python, OOP, TDD, pytest, Git, Agile, SOLID, DesignPatterns, CodeReview 🏢 Description: Senior Python Developer Stanowisko: Senior Python Developer - Financial Engineering (Credit Risk) Lokalizacja: Praca w modelu hybrydowym 6 dni na miesiąc z biura w Krakowie Do zespołu Financial Engineering w ramach Global Risk Analytics poszukujemy doświadczonego Python Developera, który wesprze rozwój narzędzi do modelowania ryzyka kredytowego. Stanowisko znajduje się w zespole Model Enablement, który współpracuje bezpośrednio z modelarzami ryzyka kredytowego (Wholesale Credit Risk), pomagając im efektywnie korzystać z rozwijanych narzędzi oraz wpływając na ich dalszy rozwój. To rola łącząca programowanie, współpracę z użytkownikami końcowymi oraz realny wpływ na procesy analizy i pomiaru ryzyka w skali globalnej. Zakres obowiązków Rozwój i utrzymanie bibliotek Python wykorzystywanych w modelowaniu ryzyka kredytowego Współpraca z modelarzami w zakresie poprawnego i efektywnego użycia narzędzi Zbieranie feedbacku i udział w ulepszaniu toolkitów Tworzenie testów oraz rozwój frameworków testowych Współtworzenie rozwiązań wpływających na globalne procesy risk analytics Praca nad prototypami i ich wdrażaniem do środowiska produkcyjnego Wymagania (must have) Kilkuletnie doświadczenie komercyjne w Pythonie Bardzo dobra znajomość programowania obiektowego (OOP) Doświadczenie w testowaniu (TDD, pytest) Znajomość dobrych praktyk programistycznych i code review Umiejętność pisania „pythonic code” i identyfikowania code smells Znajomość zasad SOLID i wzorców projektowych Doświadczenie z Git Praca w środowisku Agile (mile widziane CI/CD) Mile widziane Wykształcenie techniczne (Informatyka, Matematyka, Fizyka lub pokrewne) Znajomość obszaru risk analytics / credit risk Biblioteki: NumPy, pandas, SciPy, polars, Matplotlib Doświadczenie z Big Data (np. PySpark) Udział w projektach open source lub tworzeniu bibliotek Python Co oferujemy Pracę przy globalnych projektach o realnym wpływie na biznes Możliwość rozwoju w obszarze risk analytics i financial engineering Stabilne zatrudnienie oraz atrakcyjne warunki wynagrodzenia, Benefity: LuxMed, kafeteria MyBenefit Co zyskasz dzięki aplikacji na ofertę Antal? Gdy Twoja aplikacja zostanie rozpatrzona pozytywnie (zostaniesz zaproszony/a do procesu), otrzymasz wsparcie Konsultanta/Konsultantki, który/a utrzyma z Tobą stały kontakt (mailowo lub telefonicznie), pomoże Ci przygotować się do rozmowy rekrutacyjnej z przyszłym pracodawcą oraz zatroszczy się o jakość procesu rekrutacyjnego, w którym aktualnie bierzesz udział. Kim jesteśmy? Jesteśmy liderem rekrutacji specjalistów i menedżerów oraz doradztwa w obszarze HR. Marka obecna jest w 35 krajach, w Polsce działa od 1996 roku. Przez ten czas zbudowaliśmy wiele karier kandydatów, dzięki elastycznemu i kompleksowemu podejściu do wszystkich rekrutacji. Antal tworzy ponad 130 profesjonalnych konsultantów ds. rekrutacji, którzy są oni nie tylko skutecznymi rekruterami, ale także wykwalifikowanymi doradcami, specjalizującymi się zarówno w zakresie wybranego sektora, jak i stanowiska. Sprawdź inne aktualne oferty pracy na: https://antal.pl/dla-kandydata Zaobserwuj nasz profil na LinkedIn: https://www.linkedin.com/company/antalpoland