Senior T-SQL Developer

🏢 Summary: Senior Developer role focused on designing, developing, testing, and optimizing T-SQL, Java, and data-flow solutions for operational teams in a cloud environment. The position supports application modernization, client migrations, release impact assessments, and the Group’s IT transformation and AI-readiness initiatives. It offers hybrid work and a comprehensive benefits package. 🗂️ Requirements: 7+ years of T-SQL (SQL Server) development experience, Practical Java development experience, JavaScript experience, Linux shell scripting knowledge, Basic WTX knowledge, Experience with global, distributed teams, Ability to translate complex business requirements into technical solutions 📃 Skills: T-SQL, SQLServer, Java, JavaScript, Linux, WTX, Cloud 🏢 Description: As part of the DFS IT team within the Securities Services cluster, you will deliver new solutions for operational teams and participate in technical discussions and decision-making within the development team. You will collaborate with cross-location teams and help shape the product vision. Responsibilities • Perform impact analysis of changes and ensure consistency with the existing architecture • Define and specify data flows, including technical setup and connectivity • Validate developed flows with internal teams • Participate in application testing phases in a Cloud environment • Ensure architectural coherence and assess the impact of releases with the software provider • Develop and maintain code following best practices • Test developments in line with quality standards • Produce technical and functional documentation • Analyze legacy solutions and implement improvements based on industry best practices • Support business activities during client migration phases with impact analysis • Design the technical setup for data flows • Develop and execute T-SQL queries and stored procedures • Develop, modify, and optimize Java applications • Prepare and execute test plans • Participate in the Group’s IT transformation program, including AI readiness Requirements • 7+ years of professional experience in T-SQL (SQL Server) development • Practical experience in Java development and JavaScript • Working knowledge of Linux shell scripting • Basic knowledge of WTX • Experience working in global, distributed teams • Strong analytical and problem-solving mindset • Ability to understand complex business requirements and translate them into technical solutions • Effective communication and collaboration skills, with a team-oriented approach • Organized, proactive, and results-driven What we offer • Hybrid work mode, 50% working from home within a month • Equivalent for remote work expenses (120 PLN per month) • Stable employment in an international company • Fully paid private medical care for the employee • Pre-paid lunch card • Employee Pension Plan • Co-financed Multisport Card • MyBenefit Cafeteria Platform • Life insurance • Car parking availability in the office building • Trainings and development opportunities

🏢 Summary: Senior IT Developer role focused on designing, developing and supporting complex business-critical applications across their full lifecycle. The position includes incident resolution, technical and architecture reviews, continuous improvement, and mentoring junior developers in an Agile environment. 🗂️ Requirements: Master’s degree or equivalent in Business Informatics, Computer Science, or related field, Software development and business-application maintenance experience, 3+ years of IT service management and incident management experience, Agile team experience, Business and technical requirements analysis, Business and IT process understanding, Fluent written and spoken English 📃 Skills: ITSM, Agile, DevOps 🏢 Description: About the role As an IT Senior Developer, you will be responsible for the development, enhancement, design and ongoing support of applications throughout their lifecycle. You will work on complex application components, ensure system reliability and performance, and support smooth daily operations through high-quality technical solutions. Responsibilities • Design, develop and maintain complex, business-critical application and system components • Take end-to-end ownership of solutions, from requirements analysis to implementation and production support • Investigate and resolve incidents and problems, including root-cause analysis • Support technical design decisions with focus on scalability, performance, security and maintainability • Review code and architecture to ensure quality, consistency and best practice standards • Identify technical debt, risks and improvement opportunities, and actively drive continuous improvement • Collaborate with product owners, business analysts, QA, operations and other IT teams • Mentor and support junior developers through coaching, code reviews and knowledge sharing • Contribute to technical documentation, knowledge bases and operational runbooks Requirements • Master’s degree or equivalent in Business Informatics, Computer Science or a related field • Solid experience in software development and maintenance of business applications • At least 3 years of experience with IT service management and incident management, preferably in a logistics environment • Experience working in Agile teams; DevOps experience will be an advantage • Ability to analyze business and technical requirements and translate them into reliable solutions • Strong analytical skills, attention to detail and a proactive approach to problem solving • Good understanding of business and IT processes • Team-oriented mindset, good communication skills and willingness to share knowledge • Fluent English, both written and spoken What we offer • Employment based on an employment contract, along with a comprehensive benefits package • Training and development programs, as well as access to an e-learning platform • Onboarding program with the support of a dedicated Buddy • Participation in an annual, company-wide integration event • A work environment based on Scandinavian organizational culture • Opportunities for growth through an internal program Benefits • Sharing the costs of sports activities • Private medical care • Sharing the costs of foreign language classes • Sharing the costs of professional training & courses • Life insurance • Integration events • Corporate gym • Corporate sports team • Coffee / tea • Parking space for employees • Extra social benefits • Holiday funds • Christmas gifts • Employee referral program • Charity initiatives • Bicycle parking • Modern and ergonomic office • Yoga in the office

🏢 Summary: Senior Software Developer role focused on designing, building, and maintaining cloud-based solutions on Microsoft Azure using a DevOps approach. The position covers end-to-end development from requirements and architecture to implementation, testing, release, and support of applications for Manufacturing & Supply Chain. The role emphasizes scalable, secure cloud architecture and automated CI/CD processes in a global environment. 🗂️ Requirements: 5+ years of professional software development experience, Hands-on experience with .NET Core and .NET Framework, Strong knowledge of C# and Web API, Practical experience with Microsoft Azure services, Experience designing and consuming REST APIs, Experience integrating distributed systems, Knowledge of cloud architecture patterns, scalability, security, high availability, Experience with CI/CD pipelines and DevOps practices, Experience with Azure DevOps and Visual Studio, Ability to design end-to-end solutions 📃 Skills: C#, .NET, .NETCore, WebAPI, Azure, AzureStorage, AzureFunctions, AppService, EventHub, NotificationHub, REST, CI/CD, DevOps, AzureDevOps, VisualStudio 🏢 Description: We are looking for a Senior Software Developer who combines strong business understanding with hands-on software development to build and maintain high‑quality cloud solutions using a DevOps approach. In this role, you will design, implement, test, support, and document applications running on Microsoft Azure, collaborating closely with cross‑functional teams to contribute to solution architecture and development processes. You will work end‑to‑end - from requirements and design through implementation and testing - ensuring to deliver reliable solutions that effectively support Manufacturing & Supply Chain professionals in a multi‑site, cross‑cultural environment. Working with us, you will receive: Full-time work agreement in an international organization Learning and development opportunities adapted to your needs and supporting your growth Hybrid work model, combining remote work opportunities with work in an office in the Szczecin City Center Flexible working hours Benefits package including social benefits (private medical health care, insurance, sport card, etc.) Scandinavian culture – informal, focused on equality, independence, open dialog, and work-life balance What tasks are waiting for you? Design, implement and test solutions in line with agreed requirements and standards. Translate business needs into functional solutions and contribute to solution design. Conduct code reviews, follow development processes, execute tests, and report results. Facilitate effective communication with users and stakeholders to gather requirements, provide updates, and ensure alignment. Ensure constant care for architecture, code base, tests, and documentation throughout the lifecycle. Participate in planning and estimating cost/effort for design requirements. Collaborate closely with developers, solution architects and Manufacturing & Supply Chain stakeholders Provide support for existing cloud applications, including troubleshooting and improving stability. Coordinate and solve complex design problems, balancing business needs and technical feasibility. Automate delivery of software artifacts using CI/CD pipelines and DevOps practices. Manage release processes, including planning, coordination, and execution. Support go‑live activities and hyper care to ensure smooth transitions into operations. Contribute to proactive system monitoring and issue prevention. Apply today if you have: 5+ years of professional software development experience, including cloud‑based solutions (Microsoft Azure) Strong hands‑on experience with the .NET Core / .NET framework and other technologies: C#, Web API, and Microsoft Azure. Experience with Microsoft Azure (i.e. Storage, Azure Functions, App Service, Event Hub, Notification Hub). Experience designing and consuming REST APIs and integrating distributed systems Broad knowledge about Microsoft technologies/products like Visual Studio, Azure DevOps. Solid understanding of cloud architecture patterns, scalability, security, and high availability Strong communication skills in English (spoken and written) Strong analytical, communication, and stakeholder management skills. Ability to work independently and collaboratively in a global environment. ability to design end‑to‑end solutions, not just implement tasks It would be nice if you have: Experience working closely with Manufacturing, Supply Chain or enterprise business stakeholders Experience working in regulated or operationally critical environments People leading experience Knowledge of IT service management processes (incident, change, release). We are waiting to hear from you! Furthermore we would like to inform you that the company has an internal reporting procedure, which is available at: https://demant.codeofconduct.app/ If the page does not load correctly, please refresh it using the Ctrl+F5 key combination. In accordance with applicable regulations on pay transparency, information regarding compensation may be provided at different stages of the recruitment process. In our organization, details related to remuneration are shared at the stage preceding the commencement of employment. The final level of compensation is determined individually and depends on the candidate’s experience, competencies, and the scope of responsibility associated with the position.

🏢 Summary: Senior Java Developer role focused on designing and delivering high-quality, scalable solutions for the securities industry within an international, agile environment. The position involves active participation in technical decision-making, cross-team collaboration, and maintaining robust enterprise-grade applications. Hybrid work model with up to four remote days per week. 🗂️ Requirements: Minimum 4 years of experience in Java development in enterprise environments, Strong knowledge of Java core technologies and frameworks, Experience working in cross-functional and international teams, Familiarity with Agile methodologies, Familiarity with DevOps practices, Fluent Polish and English, Legal right to work in the European Union 📃 Skills: Java, Agile, DevOps 🏢 Description: Unleash innovation in fintech — craft transformative solutions for the securities industry. Warszawa or Kraków-based opportunity with a hybrid work model (up to 4 remote days per week). As a Senior Java Developer working for our client, you will be a vital part of the TA IT team within the Securities Services cluster, focusing on delivering cutting-edge solutions for operational teams. You will be actively involved in technical discussions, decision-making processes, and collaborating with cross-location squads to ensure the robustness, quality, and sustainability of our applications. This role offers a unique chance to work in a dynamic, international environment, fostering growth and technical excellence. Your main responsibilities: Design, develop, and maintain high-quality Java applications aligned with business needs. Participate in technical discussions to drive innovative solutions and best practices. Collaborate with Business Analysts, Developers, and other stakeholders across locations to ensure project continuity. Contribute to code reviews, testing, and deploying scalable software as part of agile squads. Troubleshoot and resolve complex technical issues, providing quick and effective solutions. Document technical specifications and ensure adherence to compliance and security standards. Stay updated with the latest industry trends and incorporate new technologies into the development lifecycle. You're ideal for this role if you have: Minimum 4 years of experience in Java development within enterprise environments. Strong knowledge of Java core technologies and frameworks. Experience working with cross-functional and international teams. Excellent communication skills in Polish and English, with fluent command of both languages. Familiarity with Agile methodologies and DevOps practices. Ability to adapt quickly to changing project requirements and priorities. Strong problem-solving skills and attention to detail. It is a strong plus if you have: (optional) Experience working on financial or securities-related projects. Knowledge of additional programming languages or frameworks. Certifications related to Java development or agile methodologies. Language Required for the role: Polish: Fluent English: Fluent 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 At ITDS , you will work on innovative and impactful technology projects for international companies across multiple industries in Europe and beyond. We create an environment for ambitious, driven professionals who want to grow, deliver value, and build their careers in modern IT and digital transformation. Our offer includes: Stable and long-term cooperation with attractive conditions Opportunities to develop your technical expertise across various industries and technologies The chance to work on high-impact, strategic IT and digital transformation projects A clear career path and the opportunity to grow quickly by contributing to diverse client initiatives over time International environment , knowledge sharing, social events, and training opportunities Access to an attractive medical package Access to the Multisport program Access to learning platforms such as Pluralsight Flexible working hours and remote work options #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. # 8769

🏢 Summary: Role for a senior Drupal developer responsible for development and maintenance of complex Drupal-based systems, including analysis, design, and integration of business solutions. The position involves working on advanced web applications and payment-related systems in an international environment. 🗂️ Requirements: Minimum 5 years experience with Drupal (8/9/10), Minimum 2 years experience in application development and system design, Minimum 3 years experience in analysis of complex business systems, Very good knowledge of PHP and Symfony, Experience with custom modules, data migrations, external integrations, Knowledge of HTML, CSS, JavaScript, Experience with Git and CICD, Understanding of security standards and code quality, English level C1 📃 Skills: Drupal, Drupal8, Drupal9, Drupal10, PHP, Symfony, HTML, CSS, JavaScript, Git, CICD, Migrations, Integrations, Security 🏢 Description: W TSS tworzymy najwyższej jakości rozwiązania z zakresu Software Development, FinTech, AI Solution. Tworzymy systemy płatnicze, bramki płatnicze online oraz rozwiązania umożliwiające innowacyjne procesowanie płatności. Nasze zespoły uczestniczą również w projektach wykonywanych dla klientów z wielu różnych branż i specjalizacji. Jeśli chcesz dołączyć do zespołu entuzjastów, dla których praca jest jednocześnie pasją, przygodą i możliwością rozwoju zawodowego dołącz do team’u TSS już teraz! Poszukujemy doświadczonego specjalisty, który dołączy do zespołu odpowiedzialnego za rozwój i utrzymanie złożonych systemów opartych na Drupal. Wymagane doświadczenie Minimum 5 lat doświadczenia w pracy z systemem Drupal (preferowane wersje 8/9/10). Minimum 2 lata doświadczenia w rozwoju aplikacji, w tym w planowaniu, analizie oraz projektowaniu systemów. Minimum 3 lata doświadczenia w analizie złożonych systemów biznesowych oraz w proponowaniu skutecznych rozwiązań technologicznych. Znajomość języka angielskiego na poziomie C1 – konieczna ze względu na pracę w międzynarodowym środowisku. Dodatkowe wymagania typowe dla roli Bardzo dobra znajomość PHP, Symfony oraz architektury Drupal. Doświadczenie z modułami custom, migracjami danych i integracjami z systemami zewnętrznymi. Znajomość HTML, CSS, JavaScript i narzędzi front-endowych. Umiejętność pracy z Git oraz CI/CD. Dobre zrozumienie standardów bezpieczeństwa i jakości kodu. Umiejętność pracy zespołowej oraz komunikacji z klientem biznesowym i technicznym. Zdolność do samodzielnego rozwiązywania problemów oraz proponowania usprawnień. Oferujemy: Stabilną współpracę na podstawie B2B; Dofinansowanie do prywatnej opieki medycznej w PZU; Wsparcie w rozwoju zawodowym - wewnętrzne szkolenia z zakresu cyberbezpieczeństwa;

🏢 Summary: Senior C++ Developer role focused on developing and modernizing a complex Transport Management System (TMS) within an international logistics project. The position involves building new features, optimizing performance, and integrating a legacy solution into a modern SaaS platform. The role emphasizes work on performance-critical systems and long-term product transformation. 🗂️ Requirements: Strong knowledge of C++ (C++11 or newer), Experience with MS SQL, Solid understanding of memory management, Experience with templates, Experience with concurrency programming, Experience developing performance-critical applications, Understanding of SOLID principles, Knowledge of object-oriented programming, Knowledge of SDLC, Experience in software design, Experience in software architecture, Experience with unit testing, Experience with integration testing 📃 Skills: C++, MS, SQL, C++11, OOP, SOLID, SDLC, UnitTesting, IntegrationTesting, Concurrency, Templates 🏢 Description: Join an international project within the transport and logistics industry 🚚. We are looking for an experienced Senior C++ Developer to support the development and modernization of a complex TMS (Transport Management System) platform. The project involves both the development of new features and working with an existing solution that is gradually being integrated into a modern SaaS platform ☁️. This is an excellent opportunity for engineers who enjoy working on complex business systems, performance optimization, and modernizing applications with a long development history. 🎯 Your Responsibilities Develop and maintain applications in C++ Design and implement new features Optimize application performance and code quality Work with MS SQL databases Participate in technical analysis and solution design Collaborate with an international development team 🌍 Create and maintain unit and integration tests ✅ Requirements Strong knowledge of C++ (C++11 or newer) Experience with MS SQL Solid understanding of memory management Experience with templates and concurrency programming Experience developing performance-critical applications Good understanding of SOLID principles and object-oriented programming Knowledge of the Software Development Life Cycle (SDLC) Experience in software design and architecture Experience with unit and integration testing ⭐ Nice to Have Experience with C#/.NET Knowledge of .NET 9 Ability to influence and shape technical solutions and direction 🎁 What We Offer 100% remote work 🏠 Company-provided equipment 💻 Long-term project within an international environment 🌎 Real impact on the development of a strategic product Opportunity to contribute to the modernization and transformation of a large-scale business system

🏢 Summary: 1-year project for a Senior Java Developer to design, implement, upgrade, and maintain a complex Terminal Management System handling 300k+ payment terminals. The role involves working with legacy code, distributed systems, system integrations, and ensuring application security through regular vulnerability scans. The system is based on Java and Spring ecosystem with intensive use of messaging and transactional mechanisms. 🗂️ Requirements: Very good knowledge of Java 8+, Strong understanding of object-oriented programming, Experience in designing and implementing application components, Practical knowledge of Spring and Spring Boot, Practical knowledge of SQL and relational databases, Experience with Hibernate and JPA, Knowledge of JEE frameworks, Experience with RabbitMQ or other message queues, Knowledge of Maven and Git, Experience with Gitlab and CI/CD pipelines, Experience with Jenkins and Nexus, Knowledge of Oracle database, Experience in RESTful API design, Experience in system integration, Experience with distributed systems, Experience with JBoss or WildFly, Knowledge of security scanning tools (Fortify, Sonatype) 📃 Skills: Java, Spring, SpringBoot, SQL, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, Gitlab, CICD, Jenkins, Nexus, Jira, Oracle, REST, JBoss, WildFly, Fortify, Sonatype, Hazelcast, GWT, GWTExt, SOAP, RMI 🏢 Description: Senior Java Developer (TMS) •         Design and implementation of IT solutions based on the presented analytical and technical documentation; •         Reviewing analytical documentation; •         Creating technical documentation; •         Technical upgrade for existing system; •         Working with legacy code •         Conducting regular scans in the application and removing vulnerabilities Job Requirements • Fully available in the Polish time zone; • Ability to work from the office in Warsaw (weekly: 4 days at office + 1 day remotely); • Very good knowledge of Java 8+ and object-oriented programming issues; • Experience in independent design, implementation, documentation and testing of application components; • Very good and p ractical knowledge of Spring, Spring Boot, SQL, Scrum, Hibernate/JPA and JEE frameworks; • Practical knowledge with message queue systems, particularly RabbitMQ; • Practical knowledge of tools supporting the software development process: Maven, Git, Gitlab, Gitlab CI/CD, Jenkins, Nexus, Jira; • Knowledge of relational databases, in particular Oracle; • Practical knowledge of RESTful API design; • Experience in system integration; • Experience with distributed systems; • Experience with application servers, JBoss/WildFly; ·  Knowledge of scanning tools (Fortify, Sonatype..) • Knowledge of English / B2; Nice to have: ·         Angular ·         Linux server ·         Docker Description of the area of involvement TMS (Terminal Management System) is used to manage a very large number of payment terminals (300k+), it gives users a uniform way to manage different terminals from different hardware vendors. TMS has a complex architecture, consisting of two components TMS (1 WildFly instance) providing GUI and implementing some business functions and RTMS (3 Spring-boot instances) implementing most of the business functionalities. A gradual migration from TMS to RTMS is being carried out. The system intensively uses Spring, Hibernate and RabbitMQ. The system has distributed transactions (different two-phase-commit, saga approaches) and distributed cache (Hazelcast). TMS is integrated with many internal and external systems (via REST, SOAP, RMI, direct database connections and database links). The GUI is written in GWT and GWTExt. 1 year project with possibility for hiring after this time.

🏢 Summary: Senior Java Developer role focused on designing, implementing, and maintaining a large-scale Terminal Management System handling 300k+ payment terminals. The position involves working with distributed systems, legacy code, system integrations, and security vulnerability remediation in a hybrid Warsaw-based setup. The project includes migration from legacy architecture to Spring Boot-based services with potential long-term hiring after the initial one-year contract. 🗂️ Requirements: Availability in the Polish time zone, Ability to work from the Warsaw office 4 days per week, Java 8+ proficiency, Object-oriented programming knowledge, Experience designing and implementing application components, Experience documenting and testing application components, Spring knowledge, Spring Boot knowledge, SQL knowledge, Scrum knowledge, Hibernate/JPA knowledge, JEE knowledge, RabbitMQ experience, Maven knowledge, Git knowledge, GitLab knowledge, GitLab CI/CD knowledge, Jenkins knowledge, Nexus knowledge, Jira knowledge, Oracle database knowledge, RESTful API design experience, System integration experience, Distributed systems experience, JBoss/WildFly experience, Fortify knowledge, Sonatype knowledge, English level B2 📃 Skills: Java, Spring, SpringBoot, SQL, Scrum, Hibernate, JPA, JEE, RabbitMQ, Maven, Git, GitLab, Jenkins, Nexus, Jira, Oracle, REST, JBoss, WildFly, Fortify, Sonatype, Hazelcast, SOAP, RMI, GWT, GWTExt, Angular, Linux, Docker 🏢 Description: Senior Java Developer (TMS) •         Design and implementation of IT solutions based on the presented analytical and technical documentation; •         Reviewing analytical documentation; •         Creating technical documentation; •         Technical upgrade for existing system; •         Working with legacy code •         Conducting regular scans in the application and removing vulnerabilities Job Requirements • Fully available in the Polish time zone; • Ability to work from the office in Warsaw (weekly: 4 days at office + 1 day remotely); • Very good knowledge of Java 8+ and object-oriented programming issues; • Experience in independent design, implementation, documentation and testing of application components; • Very good and p ractical knowledge of Spring, Spring Boot, SQL, Scrum, Hibernate/JPA and JEE frameworks; • Practical knowledge with message queue systems, particularly RabbitMQ; • Practical knowledge of tools supporting the software development process: Maven, Git, Gitlab, Gitlab CI/CD, Jenkins, Nexus, Jira; • Knowledge of relational databases, in particular Oracle; • Practical knowledge of RESTful API design; • Experience in system integration; • Experience with distributed systems; • Experience with application servers, JBoss/WildFly; ·  Knowledge of scanning tools (Fortify, Sonatype..) • Knowledge of English / B2; Nice to have: ·         Angular ·         Linux server ·         Docker Description of the area of involvement TMS (Terminal Management System) is used to manage a very large number of payment terminals (300k+), it gives users a uniform way to manage different terminals from different hardware vendors. TMS has a complex architecture, consisting of two components TMS (1 WildFly instance) providing GUI and implementing some business functions and RTMS (3 Spring-boot instances) implementing most of the business functionalities. A gradual migration from TMS to RTMS is being carried out. The system intensively uses Spring, Hibernate and RabbitMQ. The system has distributed transactions (different two-phase-commit, saga approaches) and distributed cache (Hazelcast). TMS is integrated with many internal and external systems (via REST, SOAP, RMI, direct database connections and database links). The GUI is written in GWT and GWTExt. 1 year project with possibility for hiring after this time.

🏢 Summary: Offer for an IT Performance Expert responsible for analyzing, testing, and optimizing the performance of IT systems and applications, including designing and automating performance tests and verifying system architecture. The role focuses on ensuring system stability, scalability, and high quality through performance testing in production-like environments. Remote or Warsaw-based B2B cooperation available. 🗂️ Requirements: Minimum 3 years of experience in planning and executing performance tests, Experience in verifying system architecture for performance issues, Experience in verifying software performance, Experience in designing and automating performance tests, Knowledge of performance testing tools such as JMeter, Gatling or LoadRunner, Experience in creating and maintaining performance testing environments, Knowledge of programming or scripting languages for test automation such as Java, Python or Bash 📃 Skills: JMeter, Gatling, LoadRunner, Java, Python, Bash, PerformanceTesting, TestAutomation 🏢 Description: W TSS tworzymy najwyższej jakości rozwiązania z zakresu Software Development, FinTech i AI Solution . Tworzymy systemy płatnicze, bramki płatnicze online oraz rozwiązania umożliwiające innowacyjne procesowanie płatności. Nasze zespoły uczestniczą również w projektach wykonywanych dla klientów z wielu różnych branż i specjalizacji. Jeśli chcesz dołączyć do zespołu entuzjastów, dla których praca jest jednocześnie pasją, przygodą i możliwością rozwoju zawodowego dołącz do team’u TSS już teraz!✅ Do naszego zespołu poszukujemy eksperta ds. wydajności systemów informatycznych , który będzie odpowiedzialny za analizę, testowanie oraz optymalizację wydajności naszych systemów i aplikacji. Osoba na tym stanowisku będzie współpracować z zespołami projektowymi i developerskimi, dbając o najwyższą jakość oraz stabilność działania naszych rozwiązań informatycznych. ▶️ Zakres zadań: Analiza i ocena wydajności systemów oraz aplikacji. Weryfikacja architektury systemów pod kątem wydajności i identyfikacja potencjalnych wąskich gardeł. Projektowanie i realizacja testów wydajnościowych, obciążeniowych i stresowych. Automatyzacja testów wydajnościowych oraz analiza wyników testów. Tworzenie i utrzymywanie środowisk testów wydajnościowych odzwierciedlających warunki produkcyjne. Przygotowywanie raportów i rekomendacji dla zespołów projektowych i programistycznych. Wdrażanie najlepszych praktyk i standardów w zakresie testów wydajnościowych. Monitorowanie nowych narzędzi i technologii w obszarze testów wydajnościowych. ▶️ Wymagania: Minimum 3-letnie doświadczenie w planowaniu oraz realizacji testów wydajnościowych systemów informatycznych. Umiejętność weryfikacji architektury systemów pod kątem wydajności. Umiejętność weryfikacji oprogramowania systemów pod kątem wydajności. Doświadczenie w projektowaniu i automatyzacji testów wydajnościowych dla systemów i aplikacji. Znajomość narzędzi i metod tworzenia i wykonywania testów wydajnościowych (np. JMeter, Gatling, LoadRunner lub inne). Doświadczenie w tworzeniu i utrzymywaniu środowisk testów wydajnościowych. Dobra znajomość języków programowania i skryptowych stosowanych w automatyzacji testów (np. Java, Python, Bash). Umiejętność pracy w zespole i komunikatywność. Co oferujemy? Możliwość pracy w pełni zdalnej lub w biurze w Warszawie; Stabilną współpracę na podstawie B2B; Dofinansowanie do prywatnej opieki medycznej w PZU; Wsparcie w rozwoju zawodowym - wewnętrzne szkolenia z zakresu cyberbezpieczeństwa;

🏢 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!