Software Engineer/Senior Python Developer

🏢 Summary: Senior Python Engineer role focused on building and maintaining Python applications for AI and automation use cases in the financial domain. The position involves developing data pipelines, collaborating on machine learning model lifecycle, and delivering scalable solutions within a cross-functional team. Hybrid work model with office presence in Wroclaw three days per week. 🗂️ Requirements: Strong proficiency in Python, Hands-on experience with AI/ML frameworks (TensorFlow, PyTorch, Keras, Scikit-learn), Solid understanding of linear algebra, probability, statistics, calculus, Practical experience with Pandas and NumPy, Knowledge of supervised, unsupervised, and reinforcement learning algorithms, Experience with debugging, testing, and Git-based version control 📃 Skills: Python, TensorFlow, PyTorch, Keras, Scikit-learn, Pandas, NumPy, Git, AI, ML, NLP, ComputerVision, C++, Java, R 🏢 Description: We are seeking a skilled Senior Python Engineer to join a Project for our Client, a global leader in the area of banking, investments and financial services. This position offers a hybrid model of work, with 3 days per week working from the office located in Wroclaw. Responsibilities Build and maintain Python applications supporting AI and automation use cases Develop data preprocessing, transformation, and feature engineering pipelines Collaborate on training, evaluating, and deploying machine learning models Implement best practices in testing, version control, and code quality Work within a cross-functional POD to deliver scalable, reliable solutions Requirements Strong proficiency in Python Hands-on experience with AI/ML frameworks (TensorFlow, PyTorch, Keras, Scikit-learn) Solid understanding of linear algebra, probability, statistics, and calculus Practical experience with Pandas, NumPy, and data manipulation workflows Familiarity with ML algorithms (supervised, unsupervised, reinforcement learning) Exposure to deep learning, NLP, or computer vision is beneficial Strong debugging, testing, and Git-based version control skills Nice to have C++, Java or R Language experience We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: The offer is for an experienced Python Data Engineer to build scalable, cloud-based data and analytics solutions for global financial institutions. The role focuses on designing distributed data pipelines, enhancing system reliability, and developing financial and AI-driven data platforms. You will work with modern cloud and AI tools to advance enterprise data architecture and analytics capabilities. 🗂️ Requirements: 4+ years of professional experience in Python data or software engineering, Strong knowledge of data architecture, data modeling, and data warehousing, Advanced SQL skills and complex query writing, Experience building scalable distributed data pipelines, Hands-on experience with cloud environments (AWS preferred), Understanding of event-driven architectures, Experience with debugging and system reliability practices 📃 Skills: Python, SQL, AWS, Databricks, Spark, PySpark, Scala, Delta, Airflow, dbt, Kafka, Kubernetes, MongoDB, Grafana, Loki, Prometheus, OpenTelemetry 🏢 Description: We are partnering with top-tier global financial institutions to scale their core technology and data infrastructure. We are looking for an experienced and product-oriented Python Data Engineer to join our technology group. In this role, you will work at the intersection of cutting-edge technology and institutional finance. You will collaborate closely with data consumers, engineering teams, and business stakeholders to push the firm's technological capabilities forward. What You’ll Do: Core Responsibilities: Design, develop, and deliver high-quality, scalable Python-based solutions. Drive engineering excellence by ensuring system reliability, automating processes, and maintaining high operational standards. Actively experiment with and integrate modern AI coding tools (e.g., Copilot, Cursor) to streamline engineering workflows. Lead design discussions, mentor junior colleagues, and communicate proactively across a geo-distributed team. Depending on the specific project or team, your focus may include: Enterprise Data Platforms: Building cloud-based (AWS) pipelines for data ingestion, streaming, and cataloging. Risk & Portfolio Analytics Systems: Developing software for financial data ingress/egress, performance/exposure monitoring, and automated reconciliation. AI & Metadata Applications: Extending AI-powered semantic data access layers and internal data catalogs. What We’re Looking For Experience: 4+ years of professional experience in software or data engineering, specifically using Python . Data Skills: Solid understanding of data architecture, modeling, and warehousing. Excellent debugging acumen and comfort writing complex SQL statements. Cloud & Architecture: Experience building scalable, distributed pipelines in a cloud environment (preferably AWS ). Familiarity with event-driven architectures. Mindset: Impact-oriented, proactive, self-starting learner who embraces engineering automation, navigates ambiguity well, and holds themselves to high ethical standards. Nice to Have: Big Data & Orchestration: Expertise in Databricks, Spark (PySpark/Scala), Delta Lake, and orchestration tools like Airflow, dbt, or Kafka. Infrastructure & Observability: Working knowledge of Kubernetes, MongoDB, and observability stacks (Grafana, Loki, Prometheus, OpenTelemetry). Offer: Competitive compensation (30k - 45k PLN) with flexible contracting options (B2B/UoP). Premium office location in the heart of Warsaw. Comprehensive private medical and dental care. Sports card and wellness benefits. Private life insurance

🏢 Summary: Opportunity for an experienced Python Data Engineer to build scalable data platforms and analytics systems for global financial institutions. The role focuses on designing cloud-based data pipelines, enhancing system reliability, and integrating modern AI tools into engineering workflows. You will collaborate across distributed teams to deliver high-quality solutions in enterprise data, risk analytics, and AI-driven metadata applications. 🗂️ Requirements: 4+ years of professional experience in software or data engineering using Python, Strong knowledge of data architecture, data modeling, and data warehousing, Ability to write complex SQL queries and perform advanced debugging, Experience building scalable, distributed data pipelines in cloud environments, Experience with AWS, Familiarity with event-driven architectures 📃 Skills: Python, SQL, AWS, Databricks, Spark, PySpark, Scala, Delta, Airflow, dbt, Kafka, Kubernetes, MongoDB, Grafana, Loki, Prometheus, OpenTelemetry 🏢 Description: We are partnering with top-tier global financial institutions to scale their core technology and data infrastructure. We are looking for an experienced and product-oriented Python Data Engineer to join our technology group. In this role, you will work at the intersection of cutting-edge technology and institutional finance. You will collaborate closely with data consumers, engineering teams, and business stakeholders to push the firm's technological capabilities forward. What You’ll Do: Core Responsibilities: Design, develop, and deliver high-quality, scalable Python-based solutions. Drive engineering excellence by ensuring system reliability, automating processes, and maintaining high operational standards. Actively experiment with and integrate modern AI coding tools (e.g., Copilot, Cursor) to streamline engineering workflows. Lead design discussions, mentor junior colleagues, and communicate proactively across a geo-distributed team. Depending on the specific project or team, your focus may include: Enterprise Data Platforms: Building cloud-based (AWS) pipelines for data ingestion, streaming, and cataloging. Risk & Portfolio Analytics Systems: Developing software for financial data ingress/egress, performance/exposure monitoring, and automated reconciliation. AI & Metadata Applications: Extending AI-powered semantic data access layers and internal data catalogs. What We’re Looking For: Experience: 4+ years of professional experience in software or data engineering, specifically using Python . Data Skills: Solid understanding of data architecture, modeling, and warehousing. Excellent debugging acumen and comfort writing complex SQL statements. Cloud & Architecture: Experience building scalable, distributed pipelines in a cloud environment (preferably AWS ). Familiarity with event-driven architectures. Mindset: Impact-oriented, proactive, self-starting learner who embraces engineering automation, navigates ambiguity well, and holds themselves to high ethical standards. Nice to Have: Big Data & Orchestration: Expertise in Databricks, Spark (PySpark/Scala), Delta Lake, and orchestration tools like Airflow, dbt, or Kafka. Infrastructure & Observability: Working knowledge of Kubernetes, MongoDB, and observability stacks (Grafana, Loki, Prometheus, OpenTelemetry). Offer: Competitive compensation (30k - 45k PLN) with flexible contracting options (B2B/UoP). Premium office location in the heart of Warsaw. Comprehensive private medical and dental care. Sports card and wellness benefits. Private life insurance

🏢 Summary: Senior Cybersecurity Fullstack Python Engineer role focused on building and securing scalable banking and cloud-based applications within a global financial environment. The position involves developing secure microservices, REST APIs, and containerized deployments while embedding cybersecurity controls across the software lifecycle. The role combines full-stack development, cloud infrastructure, and security engineering in a hybrid work model. 🗂️ Requirements: Minimum 6 years of full-stack or backend development experience in banking, security, or fintech, Proven experience with Python web frameworks (FastAPI, Flask, or Django), Strong knowledge of microservice architecture (CQRS, SAGA, event sourcing), Experience with Docker and Kubernetes deployments, Proficiency in SQL databases (PostgreSQL or MSSQL), Experience with BigQuery or RedShift, Solid Linux administration skills, Knowledge of TCP/IP, DNS, firewalls, and networking fundamentals, Experience with HTML, CSS, JavaScript, and React, Experience with automated testing frameworks and TDD, Knowledge of Git version control, Understanding of Agile and DevSecOps processes, Fluent English, Legal right to work in the EU 📃 Skills: Python, FastAPI, Flask, Django, Docker, Kubernetes, PostgreSQL, MSSQL, BigQuery, RedShift, Linux, TCP/IP, DNS, HTML, CSS, JavaScript, React, Git, Kafka, RabbitMQ, AWS, GCP, Azure, Alibaba, Terraform, Prometheus, MongoDB 🏢 Description: Unleash the Power of Secure Innovation — Shape the Future of Banking and Cloud Security! Krakow or Warsaw-based opportunity with hybrid work model (6 days per month from the office). As a Senior Cybersecurity Fullstack Python Engineer , you will be working for a leading global bank, helping to develop and fortify digital banking solutions and cybersecurity infrastructures. Join a mission-driven team committed to safeguarding financial systems and enabling secure, innovative banking experiences worldwide. Your main responsibilities: Design, develop, and deploy scalable and secure full-stack applications focusing on banking and cloud security. Collaborate with cybersecurity experts to implement and enhance security controls within software solutions. Build and maintain RESTful APIs and data pipelines, ensuring robust security measures are integrated from the ground up. Support and troubleshoot existing services, including bug fixing, automated testing, and technical documentation. Lead peer reviews and mentor junior engineers to uphold high-quality coding standards. Implement containerized deployments using Docker and Kubernetes, maintaining seamless integration within cloud environments. Contribute to continuous improvement of development processes, emphasizing automation, efficiency, and security best practices. You're ideal for this role if you have: Minimum of 6 years of experience in full-stack or backend development within the banking, security, or fintech sectors. Proven expertise in Python web frameworks such as FastAPI (preferred), Flask, or Django. Deep understanding of microservice architecture, including CQRS, SAGA, and event sourcing. Strong experience deploying services with Docker and Kubernetes. Proficiency in SQL databases (PostgreSQL, MSSQL) and big data warehouse technologies like BigQuery or RedShift. Solid Linux sysadmin skills, alongside knowledge of TCP/IP, DNS, firewalls, and network fundamentals. Familiarity with frontend technologies such as HTML, CSS, JavaScript, and React. Experience with automated testing frameworks and a test-driven development mindset. Good understanding of agile, DevSecOps delivery processes, tools like Jira, Confluence, and version control systems including Git. Excellent verbal and written communication skills in English. It is a strong plus if you have: Cybersecurity-specific experience, including working with SAST/DAST tools, penetration testing, fuzz testing, or threat detection. Cloud platform expertise with AWS, GCP, Azure, or Alibaba, using tools like Terraform and Prometheus. Experience with message queue systems like Kafka or RabbitMQ. Frontend frameworks such as React, alongside UX/design experience. Database management skills with MongoDB or other NoSQL solutions. Language Required for the role: Fluent English — excellent communication skills are essential. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. We offer you: ITDS Business Consultants is involved in various, innovative, and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes: Stable and long-term cooperation with very good conditions Enhance your skills and develop your expertise in the financial industry Work on the most strategic projects available in the market Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years Participation in Social Events, training, and work in an international environment Access to an attractive Medical Package Access to Multisport Program #GETREADY Internal job ID #8923 You can report violations in accordance with ITDS’s Whistleblower Procedure available here .

🏢 Summary: Senior Full Stack Python Engineer role focused on building scalable, secure microservices and REST APIs within the cybersecurity domain for a global financial institution. The position involves developing and deploying containerized solutions, integrating security tools, and contributing to DevSecOps-driven processes in a hybrid work model. You will design resilient software that protects digital banking systems used by millions of customers. 🗂️ Requirements: 6+ years of full-stack Python development experience, Experience with FastAPI, Flask, or Django, Strong knowledge of microservices architecture, Understanding of CQRS, SAGA, event sourcing, Experience with Docker and Kubernetes, Advanced SQL skills, Experience with BigQuery or RedShift, Linux administration skills, Knowledge of TCP/IP, DNS, firewalls, Proficiency with Git and GitFlow, Frontend experience with HTML, CSS, JavaScript, Experience with automated testing frameworks, Understanding of Agile and DevSecOps practices, Fluent English, Legal right to work in the EU 📃 Skills: Python, FastAPI, Flask, Django, REST, Microservices, CQRS, SAGA, Docker, Kubernetes, SQL, BigQuery, RedShift, Linux, TCP/IP, DNS, Git, GitFlow, HTML, CSS, JavaScript, Jira, Confluence 🏢 Description: Unleash cybersecurity innovation — develop resilient solutions at the forefront of digital defense. Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Full Stack Python Engineer , you will be working for our client, a global leader in financial services, within the cybersecurity domain. You will help design and build scalable, secure software solutions that safeguard the bank’s digital assets, enabling millions of customers worldwide to bank confidently and securely. Join a dynamic team driving technological excellence and continuous innovation in cybersecurity. Your main responsibilities: Develop and deploy REST API services and microservices using Python frameworks such as FastAPI, Flask, or Django. Collaborate with cybersecurity experts to translate security requirements into scalable, automated software solutions. Integrate third-party vulnerability scanning tools and build in-house security testing capabilities. Support the deployment of services in containerized environments using Docker and Kubernetes, ensuring high availability and performance. Write automated test cases for unit, integration, and functional testing to maintain code quality. Conduct peer code reviews, support troubleshooting, and optimize existing services for operability and performance. Contribute to continuous improvement of development processes within an agile/DevSecOps environment. Document solutions and technical procedures in line with governance standards. You're ideal for this role if you have: Over 6 years of experience in full-stack Python development with frameworks like FastAPI, Flask, or Django. Strong understanding of microservice architecture, CQRS, SAGA, and event sourcing. Experience deploying services with Docker and Kubernetes. Advanced SQL skills, with ability to craft complex queries. Knowledge of cloud data warehouse platforms such as BigQuery or RedShift. Linux sysadmin skills and a solid grasp of networks and protocols like TCP/IP, DNS, firewalls. Proficiency with Git and branching strategies like GitFlow. Some frontend development experience using HTML, CSS, JavaScript. A test-driven mindset with experience in automated testing frameworks. Good understanding of agile methodologies and DevSecOps tools like Jira and Confluence. Excellent communication skills in English (fluent level). It is a strong plus if you have: Cybersecurity-related experience such as working with SAST, DAST, penetration testing, or threat detection. Experience in cloud platforms such as AWS, GCP, or Azure, including infrastructure as code with Terraform. Frontend frameworks like React. Database administration skills across relational and non-relational systems like MSSQL, Postgres, or MongoDB. Experience working with message queues like Kafka or RabbitMQ. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: The role focuses on building and implementing modern backend automation infrastructure using Python and AI-driven methods to support efficient software delivery. It involves developing and maintaining automated testing frameworks, executing API and regression tests within CI/CD pipelines, and enhancing data handling processes. The position combines backend automation, test engineering, and AI-based workflow optimization in a hybrid working model. 🗂️ Requirements: Proficiency in Python, Experience designing automation frameworks, Hands-on experience with Robot Framework, Strong understanding of CI/CD pipelines, Experience with Jenkins, Established knowledge of SQL, Experience with Selenium, Experience writing Gherkin scenarios, Experience implementing AI-based solutions, Experience with test management tools such as qTest, Ability to perform API testing 📃 Skills: Python, Robot, Jenkins, SQL, Selenium, Gherkin, qTest, CI/CD, API, AI 🏢 Description: Location: Gdańsk Working Model: Hybrid (2 days in the office, 3 days remote) Required Language: English Summary The main purpose of this role is to build and implement modern backend infrastructure while leveraging AI-driven methods for efficient software delivery, directly supporting Nordea Bank's transformation and client objectives. Main Responsibilities Developing automation scripts using Robot Framework and Python. Implementing automated solutions for daily data handling tasks and preparing test data. Planning and executing tests, analyzing test results, and reporting defects. Running automated regression tests as part of the CI/CD process using Jenkins. Performing API testing and expanding test coverage. Optimizing workflows with AI tools to enhance the maintainability of deliverables. Collaborating with stakeholders, data users, and solution architects to address business needs. Key Requirements Proficiency in Python for developing reliable automation systems. Experience in designing automation frameworks, particularly with Robot Framework. Thorough understanding of CI/CD pipelines and Jenkins. Established background in SQL and Selenium. Experience in writing Gherkin scenarios and implementing AI-based solutions. Proficient with test management tools like qTest. Strong independent work ethic with excellent organizational skills. Nice to Have Exposure to data warehouse principles. Experience with database technologies. Willingness to learn data modeling.

🏢 Summary: Hybrid role focused on building and implementing modern backend automation infrastructure with AI-driven approaches to improve software delivery. The position centers on developing and maintaining automated testing frameworks, integrating them into CI/CD pipelines, and enhancing data handling processes. The role supports large-scale banking transformation through robust backend and test automation solutions. 🗂️ Requirements: Proficiency in Python, Experience with Robot Framework, Strong knowledge of CI/CD pipelines, Hands-on experience with Jenkins, Solid knowledge of SQL, Experience with Selenium, Ability to write Gherkin scenarios, Experience with AI-based solutions, Experience with API testing, Experience with qTest 📃 Skills: Python, RobotFramework, Jenkins, SQL, Selenium, Gherkin, qTest, APIs, CICD, AI 🏢 Description: Location: Gdańsk Working Model: Hybrid (2 days in the office, 3 days remote) Required Language: English Summary The main purpose of this role is to build and implement modern backend infrastructure while leveraging AI-driven methods for efficient software delivery, directly supporting Nordea Bank's transformation and client objectives. Main Responsibilities Developing automation scripts using Robot Framework and Python. Implementing automated solutions for daily data handling tasks and preparing test data. Planning and executing tests, analyzing test results, and reporting defects. Running automated regression tests as part of the CI/CD process using Jenkins. Performing API testing and expanding test coverage. Optimizing workflows with AI tools to enhance the maintainability of deliverables. Collaborating with stakeholders, data users, and solution architects to address business needs. Key Requirements Proficiency in Python for developing reliable automation systems. Experience in designing automation frameworks, particularly with Robot Framework. Thorough understanding of CI/CD pipelines and Jenkins. Established background in SQL and Selenium. Experience in writing Gherkin scenarios and implementing AI-based solutions. Proficient with test management tools like qTest. Strong independent work ethic with excellent organizational skills. Nice to Have Exposure to data warehouse principles. Experience with database technologies. Willingness to learn data modeling.

🏢 Summary: Senior Python Developer role focused on building and maintaining automation frameworks and test solutions using Python and Robot Framework in a CI/CD environment. The position involves developing automated scripts, executing API and regression tests, integrating with Jenkins pipelines, and optimizing workflows with AI-driven solutions. Hybrid work model with office presence in Gdańsk or Warsaw. 🗂️ Requirements: Proficiency in Python for automation and production-grade services, Experience designing automation frameworks, especially Robot Framework, Strong knowledge of CI/CD pipelines and Jenkins, Experience with Git-based workflows and DevOps practices, Solid background in SQL, Hands-on experience with Selenium, Experience with PowerBI, Ability to write Gherkin scenarios, Experience implementing AI-driven testing solutions, Experience with qTest or similar test management tools, Experience in API testing and automated regression testing 📃 Skills: Python, RobotFramework, CICD, Jenkins, DevOps, Git, SQL, Selenium, PowerBI, Gherkin, AI, qTest, API, Regression, Automation 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Python Developer Hybrid work model - 3x per week work from the office - Gdańsk or Warsaw Responsibilities: Developing automation scripts using Robot Framework and Python Implementing automated solutions for daily data handling tasks and prepare test data Planning and executing tests, alongside analysing test results and reporting defects Running automated regression tests as part of the CI/CD process while using Jenkins Performing API testing and expand test coverage Optimizing workflows with AI tools to increase efficiency and maintainability of a solution delivered from business demand to working application Partnering with business stakeholders, data users and solution architects while anticipating and addressing business demands Requirements: Proficiency in Python for reliable, testable services and automation supporting production systems Experience in designing automation frameworks – Robot framework in particular Solid understanding of CI/CD pipelines, Jenkins, DevOps including automated build, test, and deployment using Git-based workflows Established background in SQL, Selenium, Power BI Hands-on experience in writing Gherkin scenarios Implementing AI-driven solutions to optimize testing workflows Experience with test management tools such as qTest Strong independent work ethic with superior organizational skills Very good command of English, both spoken and written Nice to have: Have exposure to data warehouse principles Have experience with database technologies Are acquainted with or willing to learn data modeling Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior Python Developer role focused on building a comprehensive financial platform for researching and running systematic trading strategies. The position involves close collaboration with quantitative analysts to implement trading, risk modeling, and portfolio optimization logic into a unified system. The role includes end-to-end ownership of solution delivery in a fintech environment. 🗂️ Requirements: 5+ years professional experience in Python software engineering, Hands-on experience in fintech industry, Strong English communication skills, Experience working directly with stakeholders without Business Analyst, Experience with AI tools and LLMs, Proficiency with Pandas DataFrames, Proficiency with SQLAlchemy, Strong knowledge of SQL, Experience with Python virtual environments, Experience with Pytest or similar testing frameworks, Intermediate+ experience with AWS or similar cloud platform, Experience with multiprocessing, multithreading, asyncio, Availability until 7 PM (Poland time) at least 3 days per week 📃 Skills: Python, Pandas, SQLAlchemy, SQL, PostgreSQL, MySQL, Pytest, AWS, S3, IAM, Multiprocessing, Multithreading, Asyncio, LLM, AI 🏢 Description: At Syberry , we believe that great software starts with a simple principle: being a strategic partner who helps clients achieve their goals. We are a global team that builds custom software for industries ranging from finance to healthcare. Our mission is to raise the bar for the entire software industry, that's why we invest in strong engineering practices, automation, and clear processes to make our work predictable, efficient, and meaningful. Join us as a Senior Python Developer to drive cutting-edge solutions while growing in a collaborative, forward-thinking environment. The Project We are building a financial platform that will research and run systematic trading strategies.  We collaborate with the quant team on strategy research, risk modeling, and portfolio optimizations. Our software engineering team embeds the corresponding logic into the platform. Similar systems already exist on the market, but quants need to use several of them to research and run trading strategies. Our client’s idea is to build a system that can do it all. You can learn more about the project in our case studies Responsibilities Design and implement engineering solutions that directly support the customer’s business goals Collaborate closely with quantitative analysts to gather, clarify, and refine requirements through direct communication (no intermediary Business Analyst) Take ownership of the end-to-end delivery process, from understanding the problem to deploying stable and maintainable solutions Present completed work during regular demo sessions , clearly explaining the value delivered and technical decisions made Contribute to maintaining high production stability and quality , proactively identifying and addressing potential issues Requirements 5+ years of professional experience in Python software engineering Strong experience in the fintech industry, specifically in risk management , asset/investments management , and institutional trading Strong communication skills and fluency in English Comfortable working directly with stakeholders (no BA on the project) Experience with AI tools and LLMs (commercial or personal) and interest in using them in development Confident in working with: Pandas DataFrames SQLAlchemy SQL (PostgreSQL, MySQL, or similar dialects) Python virtual environments Pytest (or similar test frameworks) Intermediate+ experience with: AWS (S3, IAM) or a similar cloud platform Multiprocessing, multithreading, asyncio Availability until 7 PM (Poland time) at least 3 days a week for crossover with a client located in NY Benefits Direct influence on the product. Your ideas and contributions shape the roadmap and outcomes Collaboration with experienced Wall Street professionals. Gain insights and grow alongside domain experts Lean processes, minimal overhead. Focus on delivering value, not navigating bureaucracy Small, agile teams. Work closely with talented peers in a high-impact environment B2B employment model with: 20 paid workdays off per year 3 paid sick days Remote-friendly culture. Choose the setup that works best for you: fully remote, hybrid, or in-office Team and corporate events. We value connection and fun, with regular team-building and company-wide celebrations

🏢 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!