Fullstack Developer (Python, SQL)

🏢 Summary: Full-Stack Developer role focused on building automation solutions for Trading Front and Back Office processes, including deal capture and settlement. The position involves designing scalable digital systems, improving governance and logging, and ensuring operational excellence using modern DevOps and cloud practices. The role requires strong expertise in databases, Python, web technologies, and containerized environments. 🗂️ Requirements: Proficiency in relational databases (PostgreSQL, Oracle DB), Strong knowledge of Python and Flask, Experience with test automation, Experience with CI/CD pipelines, Experience with Azure services, Experience with Docker and Kubernetes, Proficiency in Angular, Ability to work in an agile environment, Ability to take ownership of technical tasks 📃 Skills: Python, Flask, PostgreSQL, Oracle, Angular, Docker, Kubernetes, Azure, CI/CD, SQL, Automation, Git 🏢 Description: Introduction & Summary: We are seeking a skilled Full-Stack Developer with a focus on Trading & Automation. In this role, you will be instrumental in transforming complex commercial contracts through reliable and scalable digital processes. Your expertise in relational databases, Python, and automation frameworks will be essential in establishing robust systems that enhance the efficiency of business operations. Main Responsibilities: Develop automation solutions for deal capture and settlement in Trading Front and Back Office. Ensure compliance and protection of processes through governance and improved logging environments. Collaborate with team members and stakeholders to align solutions with business requirements. Maintain operational excellence through best practices and cost optimization. Key Requirements: Proficiency in relational databases (PostgreSQL, Oracle DB). Familiarity with Python and frameworks like Flask. Expertise in test automation, CI/CD pipelines, Azure services, Docker, and Kubernetes. Proficiency with web framework Angular. Ability to work effectively in an agile environment and take ownership of tasks. Other Details This position is based in Warsaw, Poland, where the consultant is required to be on-site for 2 days in week.

🏢 Summary: Full-Stack Developer role focused on building and maintaining automation solutions for Trading Front and Back Office processes. The position involves developing scalable systems for deal capture and settlement, leveraging Python, relational databases, and modern DevOps practices. The role emphasizes robust governance, logging, and cloud-based infrastructure to ensure reliable and efficient operations. 🗂️ Requirements: Proficiency in relational databases (PostgreSQL, Oracle DB), Strong experience with Python and Flask, Expertise in test automation, Experience with CI/CD pipelines, Hands-on experience with Azure services, Experience with Docker and Kubernetes, Proficiency in Angular, Ability to develop automation solutions for trading processes 📃 Skills: Python, Flask, PostgreSQL, Oracle, Angular, Azure, Docker, Kubernetes, CI/CD, SQL, Automation 🏢 Description: Introduction & Summary We are seeking a skilled Full-Stack Developer with a focus on Trading & Automation. In this role, you will be instrumental in transforming complex commercial contracts through reliable and scalable digital processes. Your expertise in relational databases, Python, and automation frameworks will be essential in establishing robust systems that enhance the efficiency of business operations. Main Responsibilities Develop automation solutions for deal capture and settlement in Trading Front and Back Office. Ensure compliance and protection of processes through governance and improved logging environments. Collaborate with team members and stakeholders to align solutions with business requirements. Maintain operational excellence through best practices and cost optimization. Key Requirements Proficiency in relational databases (PostgreSQL, Oracle DB). Familiarity with Python and frameworks like Flask. Expertise in test automation, CI/CD pipelines, Azure services, Docker, and Kubernetes. Proficiency with web framework Angular. Ability to work effectively in an agile environment and take ownership of tasks. Other Details This position is based in Warsaw, Poland, where the consultant is required to be on-site for 2 days in week.

🏢 Summary: Full-Stack Software Developer role focused on developing and modernizing a complex platform using Python and React. The position involves backend and frontend ownership, migration to a modern tech stack, and deployment in AWS within an Agile environment. The developer will contribute to architectural decisions and CI/CD processes. 🗂️ Requirements: 5+ years of software development experience, Strong experience with Python, Experience with React, Practical knowledge of PostgreSQL, Experience designing and consuming REST APIs, Experience with AWS, Experience with CI/CD pipelines, Experience with end-to-end testing tools, Experience working in Agile environments (Jira or Confluence) 📃 Skills: Python, React, PostgreSQL, REST, AWS, GitHubActions, Playwright, CICD, Jira, Confluence 🏢 Description: We are currently looking for a Full-Stack Software Developer to join an international team working on the development and modernization of a complex software platform. The role involves taking ownership of both backend and frontend development during an ongoing project transition, including migration of existing functionalities to a modern technology stack. You will collaborate with a distributed Agile team and have real influence on the technical direction of the frontend architecture. Key Responsibilities Design, develop, and maintain full-stack applications using Python and React Develop and maintain RESTful APIs Work with PostgreSQL databases Participate in the migration of existing application components to a modern frontend framework Implement end-to-end testing using tools such as Playwright Manage CI/CD pipelines using GitHub Actions Deploy and maintain applications in AWS Collaborate with engineers in an international Agile environment Contribute to architectural discussions and technical decisions Requirements 5+ years of experience in software development Strong experience with Python Experience with React Practical knowledge of PostgreSQL and REST APIs Experience working with AWS Familiarity with CI/CD pipelines (e.g., GitHub Actions) Experience with end-to-end testing tools (e.g., Playwright) Experience working in Agile environments using tools such as Jira or Confluence Strong communication skills and a proactive mindset Nice to Have Experience with NumPy or SciPy Experience working in distributed engineering teams Experience participating in application migrations or system transitions

🏢 Summary: The offer is for a Python Backend Engineer to build and maintain scalable backend services and REST APIs in a collaborative product environment. The role focuses on developing clean, well-tested code and contributing to architecture and code quality from day one. It is a fully remote position with flexible contract options and long-term international projects. 🗂️ Requirements: 3+ years of professional Python experience, Strong knowledge of FastAPI, Django, or Flask, Experience with PostgreSQL, Experience with REST API design, Proficiency with Git, Experience with pytest, Experience with CI/CD workflows 📃 Skills: Python, FastAPI, Django, Flask, PostgreSQL, REST, Git, pytest, CI/CD, AWS, GCP, Azure, Docker, Kubernetes, Kafka, Redis, RabbitMQ, Poetry, uv 🏢 Description: About the role We're looking for a Python backend engineer to join a client team and build reliable, scalable services from day one. Responsibilities Design and maintain Python-based backend services and REST APIs Write clean, tested, well-documented code Collaborate with product and DevOps teams on feature delivery Participate in code reviews and architecture discussions Requirements 3+ years of professional Python experience Solid knowledge of FastAPI, Django, or Flask Experience with PostgreSQL and RESTful API design Comfortable with Git, pytest, and CI/CD workflows Good written and spoken English Nice to have AWS, GCP, or Azure Docker / Kubernetes Kafka, Redis, or RabbitMQ Poetry or uv for dependency management pre-commit hooks and code quality tooling We offer B2B contract or employment contract (umowa o pracę / umowa zlecenie) — flexible on the form Fully remote, flexible setup Long-term engagements with international clients Dedicated recruiter support through onboarding

🏢 Summary: Senior Python Engineer role focused on building and scaling a cloud-native real-time Data Platform handling massive datasets. The position involves developing high-performance backend services, optimizing distributed systems, and integrating large-scale data storage solutions. Hybrid work model in Warsaw with employment benefits including private medical care and multisport card. 🗂️ Requirements: 8+ years of backend software development experience, Advanced Python expertise, Experience with scalable production-grade systems, Knowledge of concurrency and multiprocessing, Experience with Pandas or NumPy, Experience with Parquet or JSON data formats, Knowledge of relational and NoSQL databases, Experience with performance optimization and low-latency systems, Ability to use AI-assisted development tools responsibly 📃 Skills: Python, Pandas, NumPy, Parquet, JSON, SQL, NoSQL, API, OOP, Concurrency, Multiprocessing, Algorithms, Databases, Cloud 🏢 Description: For our client, a leading, high-growth global fintech company – we are looking for an experienced Senior Python Engineer to join a key engineering team responsible for the company’s core data foundation. The project focuses on building, optimizing, and scaling a cloud-native, high-throughput Data Platform designed to ingest, process, and distribute massive datasets in real-time. This platform serves as the backbone for various downstream analytical systems, requiring extreme reliability, performance, and scalability. This is a fantastic opportunity for a strong Python generalist who enjoys solving complex distributed system problems, optimizing data flows, and working with modern cloud architectures. Responsibilities Backend & Pipeline Development: Design and develop scalable backend services and high-performance data processing pipelines using Python. Performance Tuning: Identify bottlenecks and optimize system performance, focus on concurrency, throughput, and low-latency execution. Data Integration & Storage: Build robust integrations with modern cloud-native storage solutions and databases to manage large-scale datasets efficiently. Collaborative Engineering: Work closely with cross-functional technical teams to understand data requirements and deliver reliable API services and platform features. Engineering Excellence: Maintain top-tier coding standards, emphasizing clean code, robust testing (unit/integration), automation, and security. Requirements 8+ years of professional backend software development experience (with a strong track record in building scalable, production-grade systems). Deep expertise in Python (advanced OOP, concurrency/multiprocessing, memory management, data structures, and algorithms). Solid experience with data-centric libraries such as Pandas, NumPy, or similar data processing frameworks. Experience with large-scale data storage formats (e.g., Parquet, JSON, or column-oriented databases) and relational/NoSQL databases. AI-assisted development mindset: Comfortable utilizing AI tools  to accelerate delivery, while maintaining strong developer judgment regarding validation, testing, security, and refactoring. What our client offers: Hybrid work model in Warsaw (minimum 3 days a week in the office - strictly non-negotiable). Contract of Employment (UoP) with increased tax-deductible costs (KUP). Private medical care (including full dental care). Lunch card to cover your daily meals. Multisport card.

🏢 Summary: Contract role focused on building and productionising Python-based data and ML systems that support front-office portfolio management and analytics. Involves designing scalable data pipelines, modernising legacy workflows, and delivering reliable solutions integrated with enterprise data platforms. High-impact position working closely with investment teams to enable proprietary models and core analytics. 🗂️ Requirements: Strong professional experience with Python engineering, Experience building ETL or ML-oriented Python workflows, Experience developing robust data pipelines, Experience working with parquet or columnar data formats, Experience with PySpark or distributed data processing, Experience working in Databricks or similar platform environments, Proficiency with Git, Experience with testing and code reviews, Experience with CI/CD pipelines, Understanding of software engineering best practices 📃 Skills: Python, ETL, ML, Parquet, PySpark, Spark, Databricks, Git, CI/CD, Testing, APIs, Containers 🏢 Description: Location: Flexible (Hybrid in Wroclaw) Department: Front‑Office Technology & Analytics Type: Contract About the Role We’re working with a leading global investment organisation that is expanding its front‑office engineering function. This role sits at the intersection of data engineering, applied data science, and front‑office portfolio support , with a focus on building high‑quality Python systems that directly enable portfolio managers, analysts, and risk teams. You’ll work across several investment teams, helping to rewrite key components, productionise POCs, optimise data access patterns, and deliver reliable, scalable pipelines that power core analytics and proprietary models. If you enjoy solving complex data problems, building production systems end‑to‑end, and working closely with front‑office stakeholders, this is a high‑impact opportunity. What You’ll Work On Design, build, and operate Python-based data pipelines (batch & near‑real‑time) reading/writing to governed enterprise storage (e.g., parquet patterns via internal cloud storage). Develop production‑ready ML/data components including feature prep, scoring pipelines, and API‑exposed data services. Support the re‑engineering and migration of legacy workflows into modern Python-based solutions. Partner directly with front‑office portfolio managers and analysts to extend and industrialise proprietary models. Optimise Databricks connectivity and collaborate with platform teams to improve Spark/PySpark workloads. Support portfolio teams with data access, connectivity principles, and technical design for productionisation. Contribute to engineering standards: CI/CD, testing, code reviews, observability, automation, and documentation. Work on POCs through to full production rollout, including rewriting logic from other languages into Python where required. What We’re Looking For Must‑Have Skills Strong, professional-level Python engineering skills (data structures, packaging, typing). Experience with ETL or ML‑oriented Python workflows. Experience building robust data pipelines and working with parquet/columnar formats in governed storage. Exposure to PySpark or distributed data processing . Comfortable working in platform environments (Databricks, containerised services, internal dev platforms). Strong software engineering foundations: Git, testing, code review, CI/CD , documentation.

🏢 Summary: Senior Backend Engineer role focused on designing, developing, and deploying scalable backend services and platform infrastructure using Python and FastAPI. The position involves working with PostgreSQL, Kubernetes, and CI/CD pipelines to deliver production-ready, high-performance systems. You will collaborate with cross-functional teams to build reliable, automated, and maintainable backend solutions. 🗂️ Requirements: 5+ years backend development experience in production environments, Strong proficiency in Python and FastAPI, Experience with relational databases, preferably PostgreSQL, Experience with TypeScript and Nx for tooling or automation, Hands-on experience with Kubernetes and Helm, Experience with Docker and containerization practices, Experience designing and maintaining CI/CD pipelines, Experience with observability, logging, and monitoring tools, Strong system design and problem-solving skills 📃 Skills: Python, FastAPI, PostgreSQL, TypeScript, Nx, Kubernetes, Helm, Docker, GitHubActions, CI/CD, AWS, GCP, Azure, Monitoring, Logging 🏢 Description: Our client is a leading European tech company building scalable, high-performance backend services and platforms for enterprise and AI-driven applications. Our mission is to combine cutting-edge backend technologies with reliable, automated DevOps practices, ensuring secure, maintainable, and high-quality systems for our clients. As a Senior Backend Engineer (Python / FastAPI) , you will play a key role in designing, developing, and deploying backend services, internal tools, and platform infrastructure. You will collaborate closely with product teams, frontend engineers, and DevOps to deliver robust, scalable, and production-ready solutions. Responsibilities: Develop and maintain backend services using Python (FastAPI) Work with PostgreSQL to design schemas, optimize queries, and ensure data integrity Build and maintain internal CLI tools using TypeScript Manage a monorepo using Nx Manage deployment workflows and infrastructure using Kubernetes (K8s) and Helm Implement CI/CD pipelines using GitHub Actions for automated testing and deployment Collaborate with cross-functional teams to improve system architecture, reliability, and scalability Troubleshoot and optimize performance across backend services and infrastructure Requirements: 5+ years of experience in backend development in a production setting with real users Strong proficiency in Python , especially building APIs with FastAPI Solid experience with relational databases, preferably PostgreSQL Experience with TypeScript / Nx for tooling or automation tasks Hands-on experience with Kubernetes (K8s) and Helm Familiarity with containerization best practices (Docker) Experience designing and maintaining CI/CD pipelines (GitHub Actions or similar) Strong problem-solving skills, system design thinking, and attention to detail Exposure to observability, logging, and monitoring tools Nice to Have: Experience with cloud platforms (AWS, GCP, Azure) Exposure to observability, logging, and monitoring tools Experience integrating backend systems with frontend or AI/ML pipelines Technology Stack: Backend: Python (FastAPI), PostgreSQL DevOps / Platform: Kubernetes (K8s), Helm, CI/CD (GitHub Actions) Internal tooling: TypeScript / Nx for CLI and automation tools Other: Docker, cloud infrastructure (AWS/GCP/Azure), monitoring and observability

🏢 Summary: The offer is for a Staff Python Developer to design and build scalable backend services, internal core banking tools, and customer-facing banking systems deployed in the cloud. The role focuses on system design, third-party integrations, and improving engineering standards within a remote team. It combines hands-on development with technical leadership and architectural decision-making. 🗂️ Requirements: Strong experience with Python and backend development, Experience with Django framework, Experience designing scalable backend services and APIs, Hands-on experience with AWS, GCP, or Azure, Strong knowledge of PostgreSQL or MySQL, Experience with NoSQL databases, Knowledge of CI/CD and DevOps practices, Experience with logging, monitoring, and tracing tools, Understanding of security best practices and secure coding, Strong system design and architectural skills, Ability to lead technical initiatives and mentor engineers 📃 Skills: Python, Django, PostgreSQL, MySQL, Redis, MongoDB, DynamoDB, AWS, GCP, Azure, CI/CD, DevOps, Logging, Monitoring, Tracing, APIs, NoSQL, Security 🏢 Description: We are looking for a Staff Python Developer to expand our small remotely working team. Join us to develop internal core banking tools and customer-facing services for banking products. Systems developed by the group are used by customers daily and are critical to the company's success. They are based on Django and PostgreSQL and are deployed to AWS. In addition, you will play a central role in the development of new features and integration with third-party systems to improve the workflows of commercial teams worldwide. Responsibilities: Design and implement software solutions and integrations with third-party systems to support business activities Introduce and advocate for coding best practices, ensure well-tested and maintainable code Collaborate with other engineers, product managers and UX designers throughout the development to involve them in the decision making and set expectations Contribute to the documentation to share knowledge and increase the team's expertise Investigate and apply new technologies to make our systems simpler and more efficient Experience designing and building scalable backend services and APIs Hands-on experience with cloud platforms: AWS, GCP, or Azure Strong database expertise: PostgreSQL/MySQL, NoSQL databases (Redis, MongoDB, DynamoDB, etc.) Strong CI/CD and DevOps practices knowledge Experience with observability tooling:Logging, Monitoring, Tracing Understanding of security best practices and secure coding standards 100% commitment to our team - we maintain a single-employment policy Leadership & Staff-Level Expectation: Strong system design and architectural decision-making skills Ability to mentor senior and mid-level engineers Proven ability to lead technical initiatives across multiple teams Strong system design and architectural decision-making skills Ability to mentor senior and mid-level engineers Experience driving engineering standards and best practices Ability to influence technical direction without direct authority Strong ownership mindset and ability to lead ambiguous projects Ability to balance delivery speed with technical quality and scalability What we offer: Competitive salary tailored to your skills and experience Participation in the company stock option program (equity) 20 paid days off annually, starting after a 3-month trial period No corporate nonsense — just real work, focused engineering, and minimal process overhead Flexible work environment with trust-based collaboration Opportunity to work on meaningful, technically challenging projects Direct communication and fast decision-making processes

🏢 Summary: Short-term (3–4 months) full-stack contract focused on building and enhancing secure backend and frontend features using Python and modern web technologies. The role involves developing REST APIs, implementing robust authentication mechanisms, and integrating security controls within cloud or hybrid environments. Collaboration with DevOps teams ensures reliable, secure deployments and scalable architectures. 🗂️ Requirements: Strong experience with Python and FastAPI, Proven experience building and consuming REST APIs, Experience with PostgreSQL and relational database design, Knowledge of OAuth2, OIDC, RBAC, and SSO integration, Experience with Docker and Kubernetes, Familiarity with CI/CD pipelines, Experience with software supply chain security practices, Ability to work in cloud or hybrid infrastructure environments 📃 Skills: Python, FastAPI, REST, PostgreSQL, OAuth2, OIDC, RBAC, SSO, Docker, Kubernetes, CI/CD, GitHub, GitLab, React, TypeScript, Next.js 🏢 Description: Full-stack Developer 3-4 months contract with possibility for extension Technical Requirements Strong experience with Python , especially FastAPI Proven experience building and consuming REST APIs Experience with PostgreSQL and relational database design Knowledge of authentication and security standards: OAuth2 , OIDC , RBAC , SSO integration Experience with DevOps tooling: Docker and Kubernetes Familiarity with CI/CD pipelines (GitHub Actions, GitLab CI or similar) Experience with software supply chain security: artifact validation, signature verification, compliance scanning, sandboxed execution Ability to work in cloud or on-prem / hybrid infrastructure environments Nice to have: Frontend experience with React , TypeScript , Next.js or similar SPA frameworks Required Technical Skills Python, Fast API, RESTful APIs, PostgreSQL, Docker, Kubernetes, CI/CD Main Responsibilities Designing and developing full-stack features across frontend and backend components Building and maintaining backend services using Python (FastAPI) and REST APIs Developing scalable data models and service architectures Implementing secure authentication and authorization mechanisms Integrating security controls and package validation tooling into the development lifecycle Working in collaboration with DevOps and infrastructure teams to ensure reliable deployments

🏢 Summary: Frontend/Full-stack Software Developer role focused on building and deploying Angular-based UIs and Python (Flask) backend solutions on Microsoft Azure. The position involves end-to-end development, including ETL/data pipeline design, integration, testing, and architecture improvements. The role also covers performance, security, and compliance-driven enhancements within a scalable cloud environment. 🗂️ Requirements: Strong experience with Angular, Solid knowledge of Python, Solid knowledge of Flask, Hands-on experience with Microsoft Azure, Experience with Azure Data Factory, Experience with Azure Databricks, Experience building and deploying data pipelines, Knowledge of ETL processes, Experience with data integration, Experience with unit testing, Experience with integration testing, Familiarity with configuration management, Understanding of IFRS17 or IFRS9, Ability to design scalable architectures, Ability to design secure architectures 📃 Skills: Angular, Python, Flask, Azure, DataFactory, Databricks, ETL, DataIntegration, UnitTesting, IntegrationTesting, ConfigurationManagement, IFRS17, IFRS9 🏢 Description: Software Developer (Frontend / Full-stack) Requirements: Strong experience with Angular (frontend development) Solid knowledge of Python and Flask (backend development) Hands-on experience with Microsoft Azure (especially Data Factory, Databricks) Experience in building and deploying data pipelines Knowledge of ETL processes and data integration Experience with unit testing and integration testing Familiarity with configuration management Understanding of regulatory compliance (preferably IFRS17 / IFRS9) Ability to design scalable and secure architectures Strong problem-solving and troubleshooting skills Experience working with business stakeholders and translating requirements into technical solutions Good documentation and communication skills Angular, Python, Flask, Microsoft Azure, Unit Testing Main Responsibilities Develop front-end and back-end solutions using Angular, Python (Flask), and Microsoft Azure Implement and deploy UI components and ensure seamless integration Perform end-to-end development (not limited to maintenance), including pipeline build and deployment Develop and maintain application code and data mappings in Angular and Python Flask Design and build ETL / data integration solutions using tools such as Azure Data Factory and Azure Databricks Collaborate with business users on wireframe design and UI concepts Design, document, and maintain UI requirements Troubleshoot and resolve technical issues Maintain and enhance the existing VITA architecture Improve system performance and security Deliver product releases according to specifications, including unit testing Implement new features and change requests, including analysis, design, and documentation Develop integration tests to ensure compliance with requirements Update build procedures and manage configuration documentation