Python Developer (f/m/x)

🏢 Summary: Backend Python Developer role focused on building scalable applications and REST services for banking and financial sector projects. The position involves designing, developing, and optimizing backend systems, databases, and cloud-based solutions in a modern Python ecosystem. Opportunity to work on large-scale systems using cloud and container technologies. 🗂️ Requirements: 3–4 years commercial experience as Python Developer, Strong knowledge of Python, Experience with Django and/or FastAPI, Practical experience designing and implementing REST API, Experience with PostgreSQL, Knowledge of SQL, Experience with Docker, Experience with AWS and/or Microsoft Azure, Ability to build scalable and high-performance backend systems 📃 Skills: Python, Django, FastAPI, REST, PostgreSQL, SQL, Docker, AWS, Azure 🏢 Description: O projekcie Poszukujemy Python Developera do realizacji nowoczesnych projektów dla sektora bankowego i finansowego. Będziesz uczestniczyć w tworzeniu skalowalnych aplikacji, usług backendowych oraz rozwiązań wykorzystujących technologie chmurowe i przetwarzanie danych. Jeżeli interesujesz się nowoczesnym ekosystemem Python, architekturą mikroserwisową oraz chcesz rozwijać swoje kompetencje w projektach o dużej skali biznesowej – zapraszamy do naszego zespołu. Twój zakres obowiązków Projektowanie, rozwój i utrzymanie aplikacji backendowych w Pythonie Tworzenie i rozwijanie REST API Projektowanie oraz optymalizacja baz danych Integracja systemów wewnętrznych i zewnętrznych Współpraca z zespołami analitycznymi, testerskimi oraz DevOps Tworzenie dokumentacji technicznej Udział w code review oraz dbanie o wysoką jakość kodu Współpraca w środowisku Agile/Scrum Nasze wymagania Minimum 3–4 lata doświadczenia komercyjnego jako Python Developer Bardzo dobra znajomość Python Doświadczenie w pracy z Django i/lub FastAPI Praktyczna znajomość projektowania i implementacji REST API Doświadczenie w pracy z PostgreSQL Znajomość SQL Doświadczenie z Docker Znajomość usług chmurowych AWS i/lub Microsoft Azure Umiejętność tworzenia wydajnych i skalowalnych rozwiązań backendowych Znajomość języka angielskiego na poziomie B2–C1 Mile widziane Doświadczenie w obszarze Machine Learning Znajomość technologii LLM (Large Language Models) Doświadczenie z PyTorch Znajomość MLflow Doświadczenie w pracy z Apache Airflow Znajomość baz danych NoSQL Doświadczenie w projektach związanych z analizą danych lub sztuczną inteligencją Doświadczenie w sektorze bankowym lub finansowym Oferujemy Udział w innowacyjnych projektach dla sektora finansowego i bankowego Możliwość pracy zdalnej lub hybrydowej Elastyczne godziny pracy Stabilną współpracę przy długoterminowych projektach Możliwość rozwoju kompetencji w obszarze AI, Machine Learning i technologii chmurowych Dostęp do nowoczesnych technologii oraz najlepszych praktyk inżynierii oprogramowania Współpracę z doświadczonym zespołem specjalistów Atrakcyjne wynagrodzenie adekwatne do doświadczenia Jeżeli chcesz rozwijać zaawansowane rozwiązania backendowe, pracować z nowoczesnymi technologiami Python oraz zdobywać doświadczenie w projektach wykorzystujących AI i chmurę – zapraszamy do aplikowania.

🏢 Summary: The offer is for a senior Python Developer role focused on building and optimizing trading systems, data pipelines, and analytical tools that enhance execution performance and market insights. The position centers on integrating with trading infrastructure, analyzing large-scale market data, and improving latency, fill rates, and execution quality. It involves close collaboration with research and infrastructure teams to deliver robust, real-time trading solutions. 🗂️ Requirements: Bachelor’s or advanced degree in Computer Science, Engineering, Mathematics, or related quantitative field, 7+ years of professional Python development experience, Experience building libraries, data platforms, or analytical tools, Experience with large-scale and time series datasets, Strong SQL knowledge and experience with analytical databases, Experience working in Linux environments, Knowledge of software engineering best practices (testing, version control, CI), Knowledge of financial markets and electronic trading, Ability to design and maintain real-time data pipelines and monitoring systems 📃 Skills: Python, SQL, NumPy, Pandas, Linux, Git, CI, C, C++, Rust 🏢 Description: About the Client Our client, a global leader in investment management, specializes in pioneering and data-centric strategies. The firm operates across all liquid asset classes globally, harnessing technology and data science to guide their investment strategies. The team comprises experts in data, technology, research, and trading who collaboratively tackle complex problems and achieve outstanding returns. Role Summary As a Python Developer, you'll be instrumental in developing systems and tools that integrate with the trading infrastructure and market mechanisms. Your duties will involve building data pipelines, analytical tools, and libraries to enhance execution analysis and trade performance. This role has been created due to the company's expansion and its objective of further refining trading capabilities. Primary Responsibilities - Analyze trading behaviors across various venues to discover execution issues and enhance latency and fill rates. - Develop Python libraries, data pipelines, and tools to manage exchange protocols, order flows, and extensive trading datasets. - Design analytical frameworks, metrics, and monitoring systems to assess execution quality and system performance. - Oversee live trading systems with a focus on data integrity, pipeline durability, and real-time monitoring. - Collaborate with stakeholders to translate analytical insights into tangible improvements in execution performance. - Work closely with research and infrastructure teams to advance execution analysis and market behavior insights continuously. Required Skills & Experience - Bachelor's or advanced degree in Computer Science, Engineering, Mathematics, or a related quantitative field. - Over 7 years of professional experience in Python development, including crafting libraries, data platforms, or analytical tools. - Expertise with large-scale and time series datasets utilizing tools like NumPy and Pandas. - In-depth SQL knowledge and experience with analytical databases. - Strong problem-solving skills for analyzing complex data and system behaviors. - Capability to translate analytical or trading-related challenges into reliable engineering solutions. - Experience working in Linux environments and applying best practices in software engineering such as testing, version control, and continuous integration. - Knowledge of financial markets, electronic trading, or execution analysis. - Experience with low-level programming languages such as C, C++, or Rust is advantageous. Compensation & Benefits - Competitive salary based on experience - Performance-based annual bonus - Outstanding compensation package Career Development & Growth - Clear pathways for advancement to Senior Developer and Tech Lead roles - Access to internal training resources and mentorship - Regular hackathons and allocated conference budget Ready to elevate your career? Join a team driven by innovation and collaboration. Apply today to be part of a forward-thinking company that values your expertise and supports your professional growth.

🏢 Summary: Oferta dotyczy rozwoju nowoczesnych aplikacji backendowych w Pythonie oraz tworzenia i utrzymywania REST API w środowisku chmurowym i kontenerowym. Rola obejmuje projektowanie architektury, wdrażanie aplikacji z użyciem Dockera oraz współpracę przy rozwoju nowych funkcjonalności i code review. Poszukiwany jest developer z doświadczeniem w Pythonie, technologiach chmurowych oraz pracy w środowisku Linux. 🗂️ Requirements: Minimum 2 lata doświadczenia komercyjnego w Pythonie, Znajomość frameworków REST API: FastAPI, Flask lub Django, Praktyczna znajomość Docker i Docker Compose, Doświadczenie z Microsoft Azure, AWS lub GCP, Znajomość środowiska Linux i linii poleceń, Umiejętność pisania skryptów Bash, Znajomość sieci komputerowych, HTTP i architektury REST 📃 Skills: Python, FastAPI, Flask, Django, Docker, Azure, AWS, GCP, Linux, Bash, HTTP, REST, TypeScript, React 🏢 Description: Python Developer Do naszego zespołu szukamy Python Developera , który będzie rozwijać nowoczesne aplikacje backendowe oraz współtworzyć rozwiązania działające w środowisku chmurowym. Twoje zadania Projektowanie i rozwój aplikacji backendowych w Pythonie. Tworzenie oraz rozwijanie REST API. Wdrażanie i utrzymywanie aplikacji w środowiskach kontenerowych (Docker). Współpraca z zespołem przy projektowaniu architektury oraz rozwoju nowych funkcjonalności. Udział w code review oraz dbanie o jakość kodu. Nasze wymagania Minimum 2 lata komercyjnego doświadczenia w programowaniu w Pythonie. Doświadczenie z jednym z frameworków do budowy REST API, np. FastAPI, Flask lub Django . Praktyczna znajomość Docker oraz Docker Compose . Doświadczenie z platformą Microsoft Azure (preferowane) lub innym dostawcą usług chmurowych, takim jak AWS lub Google Cloud Platform (GCP) . Swobodne poruszanie się w środowisku Linux , w tym znajomość linii poleceń. Umiejętność pisania skryptów w Bash . Dobra znajomość zagadnień związanych z sieciami komputerowymi, protokołem HTTP oraz architekturą REST . Mile widziane Doświadczenie w pracy z TypeScript . Znajomość React . Szukamy osoby, która potrafi samodzielnie rozwiązywać problemy i proponować rozwiązania, dba o jakość kodu i dobre praktyki programistyczne, chętnie współpracuje z zespołem i dzieli się wiedzą, jest otwarta na naukę nowych technologii. Jeśli lubisz tworzyć nowoczesne rozwiązania backendowe i pracować z technologiami chmurowymi, chętnie Cię poznamy!

🏢 Summary: Python Developer role focused on delivering secure, scalable application and AWS cloud infrastructure features. The position combines feature development, security remediation, CI/CD, and production operations in collaboration with product, platform, and security teams. 🗂️ Requirements: 3+ years of software development, architecture, and system integration experience, Hands-on AWS experience with Lambda, ECS, S3, DynamoDB, Aurora, CloudFormation, and CloudWatch, Proficiency in Java, Python, and TypeScript, including API development, design patterns, and quality engineering, Relational database fundamentals and basic SQL query writing, CI/CD experience with GitHub Actions, reusable workflows, environment protection rules, and artifact/version management, Production operations and observability experience with Splunk and Honeycomb, Knowledge of enterprise tooling, multi-region resiliency, failover, feature toggling, IT risk, information security, compliance, and change governance, Written and spoken English at B2+ level 📃 Skills: Python, Java, TypeScript, AWS, Lambda, ECS, S3, DynamoDB, Aurora, CloudFormation, CloudWatch, SQL, GitHub, Splunk, Honeycomb, CI/CD, SRE 🏢 Description: We are seeking a skilled Python Developer to contribute to the delivery of robust application and cloud infrastructure solutions. In this role, you will work on both feature development and security remediation, collaborating with cross-functional partners to build maintainable, secure, and scalable systems that meet business needs. Quick Facts - Hybrid-by-design work mode, with the opportunity to work remotely within Poland - Opportunity to work abroad for up to 60 days annually - Business-driven relocation opportunities - Open to working with contractors; B2B cooperation terms are agreed individually Responsibilities - Deliver application and cloud infrastructure features, including development, testing, and deployment, working from established designs and acceptance criteria - Implement security remediation work, including vulnerability fixes, dependency upgrades, and code hardening, as well as net-new features prioritized by the team lead - Translate technical requirements into well-structured, testable, and maintainable code that meets team quality standards for reviews and tests - Promote changes through development, test, and production environments following established change management processes and documentation standards - Collaborate with product, platform, and security partners to clarify requirements and deliver work that meets business needs Requirements - 3+ years of experience in software development, architecture, and system integration - Hands-on expertise in AWS services such as Lambda, ECS, and S3 - Proficiency in AWS data and infrastructure services, including DynamoDB, Aurora, CloudFormation, and CloudWatch - Strong software engineering skills in Java, Python, and TypeScript (or equivalent), including design patterns, API development, and quality engineering practices - Understanding of relational database fundamentals and competency in writing basic SQL queries - Expertise in CI/CD using GitHub Actions/workflows, reusable workflows, environment protection rules, and artifact/version management - Proven capability to operate and improve production systems using modern observability tools such as Splunk and Honeycomb, with an SRE/operational mindset - Knowledge of owning and operating enterprise tooling, multi-region cloud resiliency and failover practices, and feature toggling solutions - Familiarity with IT risk and information security expectations, with the ability to deliver solutions that meet security, compliance, and change governance requirements - Excellent command of written and spoken English at B2+ level We Offer - Career development programs - Thought leadership, mentoring, soft-skills, and well-being programs - Certification opportunities in Anthropic, Gemini, GCP, Azure, and AWS - English classes - Stable pay - Participation in the Employee Stock Purchase Plan with a 15% discount - Benefits package, including health insurance, Multisport, and shopping vouchers - Referral bonuses up to $2,000 - Offices with entertainment and relaxation zones, table tennis and football, free snacks, coffee, and more - Corporate, social, and well-being events Benefits listed above are available to employees only. Only selected candidates will be contacted.

🏢 Summary: Python Developer role focused on delivering secure, scalable application and AWS cloud infrastructure features. The position combines feature development, security remediation, CI/CD delivery, and production operations in collaboration with product, platform, and security teams. 🗂️ Requirements: 3+ years of software development, architecture, and system integration experience, AWS hands-on expertise: Lambda, ECS, S3, DynamoDB, Aurora, CloudFormation, CloudWatch, Java, Python, and TypeScript proficiency, API development, design patterns, testing, and quality engineering, Relational database fundamentals and basic SQL, CI/CD with GitHub Actions and workflow governance, Production observability with Splunk or Honeycomb, Multi-region resiliency, failover, enterprise tooling, and feature toggles, Security, compliance, IT risk, and change-governance knowledge, English proficiency at B2+ level 📃 Skills: Python, Java, TypeScript, AWS, Lambda, ECS, S3, DynamoDB, Aurora, CloudFormation, CloudWatch, SQL, GitHubActions, Splunk, Honeycomb, CI/CD, APIs, SRE 🏢 Description: Description We are seeking a skilled Python Developer to contribute to robust application and cloud infrastructure solutions. The role covers feature development and security remediation, working with cross-functional partners to build maintainable, secure, and scalable systems that meet business needs. Responsibilities - Deliver application and cloud infrastructure features, including development, testing, and deployment, from established designs and acceptance criteria. - Implement security remediation work, including vulnerability fixes, dependency upgrades, and code hardening, as well as new features prioritized by the team lead. - Translate technical requirements into well-structured, testable, and maintainable code that meets quality standards for reviews and tests. - Promote changes through development, test, and production environments in line with change-management processes and documentation standards. - Collaborate with product, platform, and security partners to clarify requirements and deliver work that meets business needs. Requirements - 3+ years of experience in software development, architecture, and system integration. - Hands-on expertise in AWS services, including Lambda, ECS, and S3. - Proficiency in AWS data and infrastructure services, including DynamoDB, Aurora, CloudFormation, and CloudWatch. - Strong software engineering skills in Java, Python, and TypeScript (or equivalent), including design patterns, API development, and quality engineering practices. - Understanding of relational database fundamentals and ability to write basic SQL queries. - Expertise in CI/CD using GitHub Actions/workflows, reusable workflows, environment protection rules, and artifact/version management. - Ability to operate and improve production systems using observability tools such as Splunk and Honeycomb, with an SRE/operational mindset. - Knowledge of enterprise tooling ownership and operations, multi-region cloud resiliency and failover practices, and feature-toggling solutions. - Familiarity with IT risk and information-security expectations, and the ability to deliver solutions that meet security, compliance, and change-governance requirements. - Written and spoken English at B2+ level. We offer - Hybrid-by-design work model and the opportunity to work remotely within Poland. - Opportunity to work abroad for up to 60 days annually. - Business-driven relocation opportunities. - Career development programs. - Thought leadership, mentoring, soft-skills, and well-being programs. - Certification opportunities in Anthropic, Gemini, GCP, Azure, and AWS. - English classes. - Stable pay. - Participation in the Employee Stock Purchase Plan with a 15% discount. - Benefits package, including health insurance, multisport, and shopping vouchers. - Referral bonuses up to $2,000. - Offices with entertainment and relaxation zones, table tennis, football, free snacks, coffee, and more. - Corporate, social, and well-being events. Benefits listed above are available to employees only. Contractor cooperation is available. Terms of B2B cooperation agreements are agreed individually. Only selected candidates will be contacted.

🏢 Summary: Oferta dla doświadczonego Python Developera obejmuje rozwój i utrzymanie backendu, integracji oraz rozwiązań AI/ML/NLP i LLM. Rola obejmuje także testowanie, dokumentację oraz współpracę przy systemach bazodanowych, kolejkowych, chmurowych i orkiestracji procesów. 🗂️ Requirements: Minimum 5 lat doświadczenia produkcyjnego jako Backend Developer, Udział w minimum 3 projektach backendowych w Pythonie, Testy jednostkowe i integracyjne w pytest lub unittest, Konteneryzacja aplikacji w Dockerze, Praca w środowiskach Linux/Unix i Windows, Znajomość UML i tworzenie dokumentacji technicznej, Praktyczne doświadczenie z Git, Praktyczna znajomość minimum 5 wskazanych obszarów technologicznych, Analiza procesów biznesowych i wymagań użytkowników oraz proponowanie rozwiązań, Komunikacja techniczna z osobami o mniejszej wiedzy technicznej, Odpowiedzialność za cały wytwarzany komponent 📃 Skills: Python, OOP, pytest, unittest, Docker, Linux, Unix, Windows, UML, Git, RabbitMQ, PubSub, MongoDB, asyncio, FastAPI, PyTorch, TensorFlow, Transformers, spaCy, Stanza, ML, NLP, LangChain, LangGraph, LLM, GCP, Airflow 🏢 Description: Zakres obowiązków: - Projektowanie, rozwój i utrzymanie oprogramowania w języku Python z wykorzystaniem programowania obiektowego. - Tworzenie i rozwój aplikacji oraz integracji z wykorzystaniem nowoczesnych technologii, a także przygotowywanie testów i dokumentacji technicznej. - Implementacja i rozwój rozwiązań z obszaru AI/ML/NLP oraz aplikacji opartych na modelach LLM. - Współpraca przy projektowaniu i wdrażaniu rozwiązań z wykorzystaniem baz danych, systemów kolejkowych, usług chmurowych oraz narzędzi do orkiestracji procesów. Wymagania: - Minimum 5 lat doświadczenia w projektach produkcyjnych jako backend developer. - Udział w minimum 3 projektach budujących backend z użyciem Python. - Umiejętność rozmowy o aspektach technicznych z osobami o mniejszej wiedzy oraz analizy procesu biznesowego lub wymagań użytkownika i proponowania rozwiązań. - Doświadczenie w tworzeniu testów jednostkowych i integracyjnych z wykorzystaniem pytest lub unittest. - Umiejętność konteneryzacji aplikacji z wykorzystaniem Docker, w tym tworzenia Dockerfile, budowania i uruchamiania kontenerów. - Swobodna praca w środowiskach Linux/Unix oraz Windows. - Znajomość notacji UML oraz umiejętność tworzenia dokumentacji technicznej oprogramowania. - Praktyczne doświadczenie w pracy z systemem kontroli wersji Git. - Praktyczna znajomość minimum 5 obszarów: RabbitMQ/Google Pub/Sub, MongoDB, procesy/wątki/asyncio, FastAPI, PyTorch/TensorFlow/Transformers, spaCy/Stanza, ML/NLP, LangChain/LangGraph (LLM), Google Cloud Platform (GCP), Apache Airflow. - Zdolność do podejmowania odpowiedzialności za całokształt wytwarzanego komponentu. Oferujemy: - Dostęp do platformy językowej. - Stałe wsparcie konsultanta. - Program rekomendacji pracowników.

🏢 Summary: Development of internal automation tools and backend services in Python to support AI-driven and data-focused research workflows. The role involves building integrations, supporting CI/CD processes, and improving system reliability and performance in a technology-driven environment. Position is 100% on-site in Wrocław under an employment contract. 🗂️ Requirements: 1-2 years of professional software development experience, Strong knowledge of Python, Understanding of data structures and algorithms, Knowledge of object-oriented programming, Understanding of concurrency, Familiarity with AI, ML and LLM concepts, Experience building automation tools and services, Experience with CI/CD pipelines, Experience with GitLab CI, Jenkins, Docker or Kubernetes 📃 Skills: Python, AI, ML, LLM, CI/CD, GitLab, Jenkins, Docker, Kubernetes, Concurrency, OOP, DataStructures, Automation, Backend 🏢 Description: Python Developer (AI Automation) About the company Our client is a global quantitative investment management firm operating at the intersection of technology, data and finance . As part of the growth of its Wrocław-based technology team , the company is looking for a Python Developer (AI Automation) to help build internal tools, services and automation solutions supporting research and analytical work. Location: Wrocław (100% on-site) Contract type: Employment contract (UoP) Responsibilities Develop and maintain internal automation tools and services in Python Build backend components and integrations supporting internal workflows Work on solutions related to AI-driven and data-focused use cases Collaborate with Data Science and other technical teams Support CI/CD and deployment-related processes Contribute to code quality, system reliability and performance improvements Take ownership of tasks and solve technical challenges independently Requirements 1-2 years of professional software development experience with good knowledge of Python Strong understanding of Computer Science fundamentals , including data structures, complexity, object-oriented programming and concurrency Familiarity with AI, ML and LLM concepts Experience building automation tools and services , including AI-powered solutions Exposure to CI/CD pipelines and tools such as GitLab CI, Jenkins, Docker and Kubernetes Strong problem-solving skills and ownership mindset Readiness to work in a fast-paced environment Nice to have Experience developing RESTful APIs Experience with AWS What we offer Opportunity to work on automation and AI-related projects in a business-critical environment Close cooperation with engineering and Data Science teams Exposure to modern tools and real technical challenges Interested in the role? Apply and let’s talk.

🏢 Summary: Oferta B2B dla Python Developera na hybrydową pracę przy tworzeniu nowoczesnych backendów, REST API i architektury mikroserwisowej. Rola obejmuje rozwój usług, integracje z bazami danych i systemami zewnętrznymi, testowanie oraz współpracę przy CI/CD i projektowaniu rozwiązań technicznych. 🗂️ Requirements: Minimum 3 lata komercyjnego doświadczenia w Pythonie, Bardzo dobra znajomość frameworków do budowy API, Doświadczenie z SQL i ORM, Doświadczenie z Dockerem i Git, Doświadczenie w testach automatycznych, Znajomość zasad clean code i wzorców projektowych 📃 Skills: Python, FastAPI, Flask, Django, REST, SQL, ORM, Docker, Git, pytest, OpenAPI, Swagger, CI/CD 🏢 Description: Kogo szukamy Do zespołu poszukujemy Python Developera, który chce tworzyć nowoczesne backendy, rozwijać mikroserwisy i mieć realny wpływ na architekturę tworzonych rozwiązań. Szukamy osoby, która dobrze odnajduje się w środowisku technologicznym, lubi pisać czysty kod i chce pracować przy projektach rozwijanych w nowoczesnym stacku. Będziesz - Tworzyć i rozwijać backendowe usługi oraz REST API w oparciu o Python i frameworki FastAPI, Flask lub Django REST Framework. - Implementować logikę biznesową oraz integrować systemy z bazami danych i usługami zewnętrznymi. - Projektować i rozwijać architekturę mikroserwisową. - Przygotowywać oraz utrzymywać dokumentację API (OpenAPI / Swagger). - Pisać testy automatyczne z wykorzystaniem pytest. - Współpracować z zespołem DevOps przy wdrożeniach i utrzymaniu środowisk CI/CD. - Optymalizować wydajność aplikacji i dbać o wysoką jakość kodu. - Uczestniczyć w projektowaniu rozwiązań technicznych oraz usprawnianiu procesów developerskich. Wymagania - Minimum 3 lata doświadczenia komercyjnego w Pythonie. - Bardzo dobra znajomość frameworków służących do budowy API. - Doświadczenie w pracy z SQL i ORM. - Doświadczenie z Dockerem, Git oraz testami automatycznymi. - Znajomość zasad clean code oraz wzorców projektowych. - Umiejętność samodzielnej analizy problemów i proponowania rozwiązań. - Dobra komunikacja i współpraca zespołowa. - Chęć rozwijania nowoczesnych rozwiązań backendowych. Co oferujemy - Pracę na kontrakcie B2B. - Dostęp do systemu myBenefit, w tym prywatne ubezpieczenie medyczne, Multisport i wiele innych benefitów. - Prezenty na różne okazje. - Wydarzenia firmowe.

🏢 Summary: Hybrid Python Developer role in Kraków for a senior engineer with 8+ years of experience. The role focuses on building scalable, data-intensive full-stack applications, backend APIs, and Azure-based solutions. 🗂️ Requirements: 8+ years of software development experience, Strong Python expertise, including functional and object-oriented programming, Experience building APIs and web applications, Hands-on Microsoft Azure experience, Experience with large datasets and scalable systems, Strong software engineering principles knowledge 📃 Skills: Python, Azure, APIs, Backend, Frontend, Fullstack, OOP 🏢 Description: We are looking for an experienced Python Developer to join our team in Kraków. The ideal candidate will have strong Python expertise, full-stack development experience, and hands-on experience with cloud-based solutions. Responsibilities • Design, develop, and maintain scalable applications using Python. • Build backend services, APIs, and data-driven solutions. • Contribute to front-end web application development. • Work with Azure cloud services and deployments. • Develop solutions for large-scale, data-intensive applications. • Follow software engineering best practices and contribute to code quality. Requirements • 8+ years of software development experience. • Strong Python skills (functional and object-oriented programming). • Experience building APIs and web applications. • Hands-on experience with Microsoft Azure. • Experience working with large datasets and scalable systems. • Strong understanding of software engineering principles. • Candidates with both Python backend and UI/front-end expertise will be highly preferred.

🏢 Summary: Opportunity for a Senior Python Developer to build advanced risk management platforms for global financial institutions within demanding trading environments. The role focuses on developing scalable backend systems, contributing to cloud-based architectures, and collaborating with international clients and senior engineers. It offers high technical ownership, exposure to quantitative finance, and work across multiple modern technologies. 🗂️ Requirements: Strong commercial experience in Python backend development, Degree in Computer Science, Mathematics, Physics, or related field, Solid understanding of software architecture, algorithms, and data structures, Experience with cloud platforms (AWS, Azure, or GCP), Ability to work across multiple programming languages and tech stacks, Confident English communication skills, Willingness to work in hybrid model (4 days in Warsaw office) 📃 Skills: Python, Go, Rust, C++, TypeScript, AWS, Azure, GCP, Algorithms, DataStructures, Cloud 🏢 Description: 💎 Senior Python Developer 💎 A rare opportunity has arisen for an ambitious, highly technical Senior Python Developer to join an elite engineering team building advanced risk management solutions for global financial institutions. In this role, you will work on complex backend systems used within highly demanding financial and commodities trading environments, collaborating closely with top-tier engineers and international clients. You will contribute to the development of scalable risk platforms while working across modern cloud infrastructure and multiple programming languages. If you enjoy solving difficult engineering problems, working alongside exceptionally strong developers, and building software with real business impact… Feel invited! This role offers a unique combination of technical depth, ownership, and exposure to the world of quantitative finance. WHAT WE OFFER B2B contract Competitive salary + biannual bonus Flexible working hours Hybrid work - 4 days from the office located in Warsaw Work closely with experienced engineers from top financial and technology companies International projects and collaboration with global clients Opportunity to grow within a highly technical, developer-driven culture YOUR ROLE Develop and maintain backend systems primarily in Python Build and extend risk management software for financial institutions Design scalable and maintainable solutions for complex business requirements Collaborate directly with international clients and technical stakeholders Work across multiple technologies including Python, Go, Rust, C++, and TypeScript Contribute to cloud-based solutions running on AWS and Azure Participate in architectural discussions and technical problem solving Continuously improve platform reliability, performance, and scalability IF YOU ARE A PERSON WHO Has strong commercial experience with Python backend development Holds a degree in Computer Science, Mathematics, Physics, or a related field Has solid understanding of software architecture, algorithms, and data structures Feels comfortable working across multiple programming languages and tech stacks Communicates confidently in English and enjoys working directly with clients Has experience with cloud platforms such as AWS, Azure, or GCP Understands financial systems or has previous exposure to financial markets (nice to have) Thrives in highly collaborative, engineering-driven environments Enjoys solving complex technical challenges together with the team in the office Congrats! This offer is especially for YOU!