Python Developer – Statistical Software Development

🏢 Summary: Opportunity for a Quantitative Developer to build and optimize scalable research, analytics, and trading platforms handling large-scale real-time and historical market data. The role focuses on high-performance software development, data pipeline design, and low-latency system optimization in production environments. You will develop robust applications supporting quantitative strategy development and simulation workflows. 🗂️ Requirements: Degree in Computer Science, Engineering, Mathematics, Physics, or related field, Professional experience building and operating production software systems, Strong programming skills in Python, Strong programming skills in modern C++, Experience with SQL databases, Experience working in Linux environments, Experience with distributed systems, Knowledge of performance profiling, debugging, and optimization, Understanding of financial markets and quantitative data processing 📃 Skills: Python, C++, SQL, Linux, DistributedSystems, Profiling, Debugging, Optimization, MarketData, DataPipelines 🏢 Description: Quantitative Developer We are seeking an experienced engineer to design and develop scalable platforms supporting quantitative research, analytics, and trading workflows. The role combines software engineering, data processing, and performance optimization in environments handling large-scale real-time and historical datasets. Responsibilities: Develop and maintain research and analytics platforms used for strategy development and simulation. Build high-performance applications and libraries in Python and C++. Design scalable data pipelines and storage solutions for market data processing. Improve system reliability, automation, monitoring, and deployment processes. Optimize application and infrastructure performance for low-latency and high-throughput workloads. Collaborate closely with technical and business stakeholders to deliver production-ready solutions. Support engineering best practices and mentor junior team members. Requirements: Degree in Computer Science, Engineering, Mathematics, Physics, or a related field. Professional experience building and operating production software systems. Strong programming skills in Python and modern C++. Experience with SQL databases, Linux environments, and distributed systems. Knowledge of performance profiling, debugging, and optimization techniques. Understanding of financial markets and quantitative data processing. Strong analytical and communication skills. Nice to have: Experience with backtesting, pricing, or simulation frameworks. Familiarity with real-time market data systems. Exposure to cloud infrastructure and scalable compute environments. Background in quantitative finance, systematic trading, or financial engineering.

🏢 Summary: The offer is for a senior Python Software Engineer responsible for improving and reinventing the software delivery lifecycle, focusing on developer tools, CI/CD, and Python package distribution. The role involves building and maintaining libraries and tooling that support secure, reliable, and scalable development across the organization. It emphasizes best practices in dependency management, testing, and cross-platform compatibility. 🗂️ Requirements: Minimum 10 years of software development experience or exceptional learning ability, BS or MS in Computer Science or related field, Expertise in Python or C++, Strong knowledge of Python, Proficiency with Python packaging tools, Strong coding skills focused on reliability, Ability to develop CI/CD scripts and developer tools, Experience with dependency management and testing practices 📃 Skills: Python, C++, CI/CD, pip, setuptools, Conda, SDLC, Git, ray, spark, TypeScript, React, Angular, Node 🏢 Description: Summary The Python Software Engineer plays a crucial role within the Technical Foundations team, responsible for developing and maintaining a robust ecosystem that empowers colleagues to produce high-quality research and production code. Main Responsibilities: As a Python Software Engineer, you will be tasked with reinventing the software delivery lifecycle and promoting best practices in software development. Reinvent the software delivery lifecycle, focusing on developer tools and CI/CD scripts for Python packages. Assemble 3rd-party tools into a unique distribution for cross-compatibility on various architectures. Promote best practices in software development, including dependency management and testing techniques. Develop libraries and tools to support SDLC, Security, Cloud, and other technical domains. Conduct technology watch and prototype modern technology solutions for firmwide challenges. Key Requirements: Minimum 10 years of software development experience or exceptional learning skills. BS or MS in Computer Science or related field. Expertise in Python or C++ with solid knowledge of Python. Proficiency with Python packaging solutions (e.g., pip, setuptools, Conda). Strong coding skills with a focus on reliability. Excellent communication skills in an international team. Nice to Have: Experience with distributed data manipulation libraries (e.g., ray, spark). Familiarity with TypeScript (React, Angular, Node).

🏢 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: Senior Python Developer role focused on building and maintaining automation tools that support validation of critical data flows in credit decision processes. The position involves analytical work on financial and macroeconomic data, applying AI tools in software development, and translating complex business requirements into scalable technical solutions within an Agile environment. The role also includes maintaining high code quality standards and supporting Scrum processes when needed. 🗂️ Requirements: 5+ years of professional experience in Python development, Strong analytical skills in complex business domains, Hands-on experience with AI tools in software development, Experience working in Agile/Scrum environments, Practical experience with Jira, Ability to support Scrum ceremonies and team coordination, Fluency in English 📃 Skills: Python, AI, GitHub Copilot, ChatGPT, Jira, Scrum, Agile 🏢 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 Responsibilities: Develop and maintain Python-based automation tools supporting validation of critical data flows in the credit decision process Ensure quality assurance of externally delivered frontend functionalities Perform analytical work on external financial and macroeconomic data sources (e.g. IMF, World Bank, EU, S&P), including data extraction, mapping, and feasibility assessments Explore and apply AI tools to improve developer productivity (e.g. code generation, analysis, testing support) Translate complex business requirements into scalable technical solutions in collaboration with analysts and product stakeholders Maintain high engineering standards, code quality, and best development practices Support team coordination when needed, including facilitating Scrum ceremonies and maintaining Jira workflows Contribute to continuous improvement of development processes, tooling, and delivery practices Requirements: 5+ years of professional experience in Python development Strong analytical mindset with the ability to work in complex business domains Hands-on experience using AI tools in software development ( e.g. GitHub Copilot, ChatGPT, AI-assisted testing or analysis tools ) Experience working in Agile / Scrum environments Practical experience with Jira (backlog management, sprint tracking) Ability to support team coordination and Scrum ceremonies when needed Strong communication skills and ability to collaborate across technical and business teams Fluency in English (both written and spoken) Nice to have: Experience in data analysis or data engineering Familiarity with machine learning or AI frameworks Experience in financial systems or credit risk solutions Experience as a technical mentor or informal team lead Interest in improving developer workflows through automation and AI Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Hands-on Senior Python Developer role focused on modernizing and refactoring legacy systems using modern Python frameworks and SQLAlchemy, with support from AI-assisted development tools. The position involves improving code quality, scalability, and reliability in a regulated environment while contributing to long-term architectural enhancements. 🗂️ Requirements: 10+ years of professional Python development experience, Proven experience modernizing and migrating legacy systems, Strong knowledge of SQLAlchemy and complex data models, Experience using AI tools for code refactoring or analysis, Understanding of code quality standards in regulated industries, Ability to design scalable and maintainable architectures, Hands-on experience working directly with legacy codebases 📃 Skills: Python, SQLAlchemy, SQL, AI, Architecture, Refactoring, Debugging 🏢 Description: We are looking for a highly experienced Senior Python Developer with a strong track record of modernizing legacy systems. This is a hands‑on engineering role for someone who excels at solving complex technical problems and improving existing codebases. Tasks Modernize and refactor legacy applications using Python, modern Python web frameworks, and SQLAlchemy. Apply AI‑assisted development tools to analyze and refactor legacy code. Improve code quality, maintainability, and system reliability in a regulated environment. Contribute to scalable architecture design and long‑term technical improvements. Drive continuous enhancement of our technology infrastructure. Work directly in the codebase—debugging, refactoring, implementing, and delivering. Expectations 10+ years of professional Python development experience. Proven experience modernizing legacy systems and migrating them to modern architectures. Strong SQLAlchemy knowledge and experience with complex data models. Practical experience using AI tools to support code refactoring or analysis. Solid understanding of code quality standards in regulated industries; Pharma compliance experience is a plus. Ability to design scalable, maintainable solutions. Hands‑on mindset—comfortable working directly with legacy code. We offer Ongoing support from a dedicated agent , taking care of your project continuity, client contact, necessary formalities, work comfort and development, Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors, Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle, Spectacular integration events, both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres), Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients, Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad.

🏢 Summary: Offer for a Python Developer with 3+ years of experience to design, develop, and maintain scalable applications and services. The role focuses on writing clean, testable code, applying design patterns, and performing data processing using scientific libraries. The position involves building efficient solutions with proper algorithms, data structures, and unit testing practices. 🗂️ Requirements: Minimum 3 years commercial experience with Python, Practical knowledge of NumPy, Practical knowledge of pandas, Understanding of software design patterns, Knowledge of algorithms, Knowledge of data structures, Experience writing unit tests 📃 Skills: Python, NumPy, pandas, Algorithms, DataStructures, UnitTesting, DesignPatterns, gRPC, GCP 🏢 Description: Python Developer We are looking for a skilled Python Developer with at least 3 years of professional experience to join our team and contribute to the development of high-quality software solutions. The ideal candidate has strong Python expertise, a solid understanding of software engineering principles, and a passion for clean, efficient, and testable code. Responsibilities: Design, develop, and maintain applications and services using Python Write clean, efficient, and well-structured code in line with best practices and design patterns Perform data processing and analysis using libraries such as NumPy and pandas Develop and maintain unit tests to ensure code quality and reliability Collaborate with cross-functional teams to design and deliver new features Apply appropriate algorithms and data structures to build scalable and efficient solutions Participate in code reviews and contribute to continuous improvement Requirements: Minimum 3 years of commercial experience working with Python Practical knowledge of NumPy and pandas libraries Good understanding of software design patterns Solid knowledge of algorithms and data structures Experience in writing unit tests Openness to a hybrid work model (working from the Kraków office once per week) Nice to have: Experience with gRPC Familiarity with Google Cloud Platform (GCP) Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: The offer is for a Python Developer with at least 3 years of experience to design, develop, and maintain scalable applications and services. The role focuses on writing clean, testable code, applying algorithms and design patterns, and performing data processing using scientific libraries. It involves contributing to high-quality software solutions in a collaborative, hybrid work environment. 🗂️ Requirements: Minimum 3 years of commercial experience with Python, Practical knowledge of NumPy, Practical knowledge of pandas, Understanding of software design patterns, Knowledge of algorithms and data structures, Experience in writing unit tests, Availability for hybrid work model (once per week in Kraków office) 📃 Skills: Python, NumPy, pandas, Algorithms, DataStructures, UnitTesting, gRPC, GCP 🏢 Description: Python Developer We are looking for a skilled Python Developer with at least 3 years of professional experience to join our team and contribute to the development of high-quality software solutions. The ideal candidate has strong Python expertise, a solid understanding of software engineering principles, and a passion for clean, efficient, and testable code. Responsibilities: Design, develop, and maintain applications and services using Python Write clean, efficient, and well-structured code in line with best practices and design patterns Perform data processing and analysis using libraries such as NumPy and pandas Develop and maintain unit tests to ensure code quality and reliability Collaborate with cross-functional teams to design and deliver new features Apply appropriate algorithms and data structures to build scalable and efficient solutions Participate in code reviews and contribute to continuous improvement Requirements: Minimum 3 years of commercial experience working with Python Practical knowledge of NumPy and pandas libraries Good understanding of software design patterns Solid knowledge of algorithms and data structures Experience in writing unit tests Openness to a hybrid work model (working from the Kraków office once per week) Nice to have: Experience with gRPC Familiarity with Google Cloud Platform (GCP) Why apply for an Antal job offer? When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process. About Antal Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research. Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

🏢 Summary: Long-term B2B contract for a Senior Python Quant Developer to design, implement, and rigorously validate high-precision mathematical models for pricing financial instruments, with a strong focus on equities. The role involves handling market data, optimizing computational performance, and integrating models with risk systems and data feeds in an international consulting environment. Fully remote within the EU. 🗂️ Requirements: Minimum 5 years of relevant professional experience, Strong Python programming skills, Experience developing and implementing mathematical models, Knowledge of financial markets, Experience with financial data inputs and instrument pricing (equities required), Ability to validate model outputs with very high precision, Experience with performance optimization and reliable exception handling, Experience integrating solutions with risk systems and data feeds 📃 Skills: Python, Equities, Commodities, Credit, InterestRates, FinancialMarkets, MathematicalModeling, Pricing, DataIntegration, RiskSystems, PerformanceOptimization, MachinePrecision 🏢 Description: Be in IT is a recruitment company, specialised in sourcing Specialists from the information technology world. Currently, for our client, we are looking for someone in the position Senior Python Quant Developer. Your duties: Long-term collaboration with a top international consulting firm providing IT services for large and medium-sized companies from various sectors such as finance, banking, insurance, or manufacturing. Designing, developing, and implementing mathematical models. Strict validation of model outputs against benchmark calculations at very high precision (down to machine-level accuracy, including intermediate variables). Handling financial market data and pricing instruments across various asset classes, with a strong emphasis on equities. Ensuring high standards of performance and reliability, including optimization of computation speed and robust exception handling. Integrating the developed solutions with risk systems and data feeds. Requirements: Minimum 5 years of relevant professional experience. Strong Python programming capability (mandatory). Knowledge of financial markets. Experience with data inputs and instrument pricing (equities are a priority; knowledge of commodities, credit, and interest rates is an advantage). Experience developing and implementing mathematical models. Ability to validate model outputs with very high precision. Understanding of performance optimization and reliability (computation speed, exception handling). Experience integrating with risk systems and data feeds. English proficiency at the B2 or C1 level - enabling fluent communication in an international environment. Availability ASAP is highly desirable; a maximum one-month notice period (effective at the end of the month) is acceptable. Offer: Long-term cooperation with remuneration in the range of 40-45 EUR net/hour + VAT. Support in setting up and running a B2B business for those without prior experience. Efficient and fast recruitment process - one, maximum two technical interviews with managers, online (one hour each). Cooperation between 9:00 AM and 5:00 PM, with slight flexibility. 100% remote work. We accept candidates located across the entire European Union. Benefits - private medical care, Multisport card. Modern equipment provided by the company, along with software and configuration.

🏢 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

🏢 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