Java Developer

🏢 Summary: Senior Java Developer role involving full-cycle development from requirements and architecture to implementation and testing, with a focus on building and maintaining Java-based systems in cloud environments. The position includes developing new functionalities, maintaining existing code, and working with modern frameworks and containerized platforms. Hybrid B2B cooperation with competitive hourly rate and additional benefits. 🗂️ Requirements: Very good knowledge of Java 21, Experience with Hibernate, Experience with Spring, Experience with Spring Boot, Understanding of relational databases (MariaDB), Linux skills (user level or higher), Proficiency with Git, Advanced technical English, Experience with cloud-based architectures, Experience with Kubernetes, Comfortable using AI coding assistants and LLMs 📃 Skills: Java, Hibernate, Spring, SpringBoot, MariaDB, Linux, Git, Kubernetes, AI, LLM 🏢 Description: Join our client's team as a Senior Java Developer! RESPONSIBILITIES Participation in full development cycle: from requirements, specification up to architecture, development and system tests Implementation of new functionalities Maintenance of existing code REQUIREMENTS Very good knowledge of Java 21 Experience with Hibernate and Spring, Spring Boot frameworks Understanding relational databases, especially MariaDB Linux skills on user level or higher Knowledge and ability to work with version control system Git Advanced technical English skills Experience with cloud-based architectures and platforms such as Kubernetes Comfortable using AI tools (coding assistants, LLMs) as part of your daily workflow NICE TO HAVE Experience with making software for telecommunication systems Familiarity with concepts of SDN, Segment Routing, and OpenFlow Operational experience with enterprise-class routers and switches Knowledge of protocols such as IPv4/6, DNS, BGP, DHCP, SR and ZTP Knowledge of automation tools such as Ansible and Terraform Understanding of Linux and K8s networking (e.g. routing, iptables, CNI) WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract and rate: 160-180 PLN/hour Hybrid work from Kraków or Warsaw (1 times a week in the office) The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. Events and integration meetings, as well as participation in various initiatives, e.g., sports. Access to the benefits offering (medical care, Multisport card) WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Karolina Kizowska Senior IT Delivery Consultant karolina.kizowska@speedapp.pl +48 608 487 448

🏢 Summary: B2B contract role for a Senior Full-Stack Engineer to build and own features end-to-end, from Java/Spring backend services and data models to React-based frontend interfaces. The position involves contributing to shared UI components and backend architecture, performing cross-stack code reviews, and working in a cloud-native environment. 🗂️ Requirements: Strong backend experience with Java 21, Proficiency in Spring and Spring Boot, Experience with Hibernate, Solid frontend experience with JavaScript and TypeScript, Strong knowledge of React and Redux Toolkit, Good understanding of relational databases, especially MariaDB, User-level or higher Linux skills, Confident use of Git workflows, Ability to write well-tested, maintainable code, Advanced technical English, Experience with Kubernetes and cloud-native platforms, Ability to effectively use AI coding assistants and LLM tools 📃 Skills: Java, Spring, SpringBoot, Hibernate, JavaScript, TypeScript, React, Redux, MariaDB, SQL, Linux, Git, Kubernetes, AI, LLM 🏢 Description: Join our client's team as a Senior Full-Stack Engineer! RESPONSIBILITIES Own features end-to-end — from API and data model on the backend to the UI on the frontend Build and maintain backend services in Java, and rich interfaces in React Contribute to our shared UI component library and backend architecture alike Take part in code reviews across the stack — backend, frontend, and the glue in between REQUIREMENTS Strong backend skills in Java 21 with Spring / Spring Boot and Hibernate Solid frontend experience with JavaScript, TypeScript, React, and Redux Toolkit Good grasp of relational databases, especially MariaDB Linux skills at user level or above, plus confident Git workflows You write well-tested, maintainable code on both sides of the stack Advanced technical English for design, review, and documentation\ Proven experience with cloud-native platforms such as Kubernetes Comfortable using AI tools (coding assistants, LLMs) as part of your daily workflow — and the judgment to know when to trust them and when to think for yourself NICE TO HAVE Experience building software for telecommunication systems Knowledge of protocols like IPv4/6, DNS, BGP, DHCP, SR, and ZTP Data visualization libraries — Cytoscape.js, react-chartjs-2, MapLibre, or similar Storybook, mono-repo tooling (Lerna), or Webpack experience Automation tools such as Ansible or Terraform Understanding of Linux and Kubernetes networking (routing, iptables, CNI) WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract and rate: 160-180 PLN/hour Hybrid work from Kraków (1 times a week in the office) The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client Events and integration meetings, as well as participation in various initiatives, e.g., sports Access to the benefits offering (medical care, Multisport card) WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Karolina Kizowska Senior IT Delivery Consultant karolina.kizowska@speedapp.pl +48 608 487 448

🏢 Summary: Senior Java Developer / Full Stack Engineer role focused on building a modern API platform for business banking within an international Agile team. The position centers on backend development using Java and Spring Boot in a distributed Open Banking environment. Hybrid work model with collaboration across multiple international markets. 🗂️ Requirements: 5+ years of recent experience in software development, Strong experience with Java 21, Practical experience with Spring Boot, Experience in Microservices architecture, Experience with Oracle databases, Experience with Git, Experience with Maven, Experience with Jenkins, Ability to work in Agile team environment 📃 Skills: Java, Spring, Microservices, Oracle, Git, Maven, Jenkins, Hibernate, JPA, TypeScript, Angular, React, Docker, Kubernetes, MQ 🏢 Description: We are looking for a Senior Java Developer / Full Stack Engineer to join an international Agile team working on the development of a modern API platform for business banking customers. The role is based in Tricity (Gdańsk or Gdynia) with a hybrid model (3 days per week in the office). We are also open to candidates based in Warsaw. RESPONSIBILITIES As a Java Developer / Full Stack Engineer, you'll join a strategic digital transformation initiative focused on delivering modern API-based services for business customers. You will be part of an Open Banking development hub responsible for building a new, unified company API platform used across multiple international markets. You will work within a dedicated Agile team in a distributed digital hub environment. REQUIREMENTS 5+ years of continued recent experience in development and software engineering, preferably in large corporate institutions Strong collaboration skills with a passion for working in a team-oriented environment Solid understanding and practical experience with modern backend technologies including: Java 21, Spring Boot, Microservices, Oracle, Git, Maven and Jenkins. NICE TO HAVE This is a backend-focused role, with frontend expertise being an additional asset Experience with Java Reactive programming. Hibernate/JPA Experience building highly available applications, TypeScript, Modern Frontend Framework (Angular/ React), Docker, Kubernetes, MQ. WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract. Hybrid work from Gdańsk/Gdynia or Warsaw (3 times a week in the office). Current support during the cooperation Events and integration meetings, as well as participation in various initiatives, e.g., sports. Access to the benefits offering (medical care, life insurance, Multisport card). WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Ilona WójcikJunior IT Delivery Consultantilona.wojcik@speedapp.pl

🏢 Summary: B2B role for a Senior Java Developer to design and develop an insurance platform for agents, contributing to architecture, implementation, quality assurance, and maintenance in an agile team. The position involves backend development with Java/JEE and related technologies, as well as participation in deployments and performance optimization. Hybrid work model with regular collaboration in Warsaw. 🗂️ Requirements: Minimum 6 years of experience in Java/JEE, Very good knowledge of Spring and Spring Boot, Very good knowledge of Hibernate, Experience with relational databases, Strong SQL skills, Experience with Git, Experience with Maven or Gradle, Experience with Docker, Experience with Kubernetes, Experience with Helm, Experience with Kafka or RabbitMQ, Knowledge of OOP principles, Experience with multithreading, Knowledge of TDD or BDD, Ability to diagnose and optimize application performance, Experience with GOSU, Knowledge of JavaScript, Knowledge of TypeScript, Knowledge of RxJS, Knowledge of HTML5, Experience in IT Security, Ability to design domain models independently 📃 Skills: Java, JEE, Spring, SpringBoot, Hibernate, SQL, Oracle, PostgreSQL, Git, Maven, Gradle, Docker, Kubernetes, Helm, Kafka, RabbitMQ, OOP, TDD, BDD, GOSU, JavaScript, TypeScript, RxJS, HTML5, Security 🏢 Description: Dołącz do zespołu klienta w branży ubezpieczeniowej w roli Java Developera i rozwijaj platformę dla agentów ubezpieczeniowych! ZADANIA Współtworzenie, programowanie i implementacja rozwiązań. Udział w opracowaniu koncepcji rozwiązania dla inicjatyw biznesowych. Zapewnienie jakości wytwarzanego oprogramowania i zgodności ze standardami. Udział w planowaniu, review i retrospective w ramach pracy zespołu zwinnego. Wsparcie testów akceptacyjnych, wdrożeń oraz utrzymania rozwiązań. Utrzymywanie i aktualizacja dokumentacji technicznej. WYMAGANIA Min. 6 lat doświadczenia w programowaniu w Java/JEE. Bardzo dobra znajomość Spring, Spring Boot oraz Hibernate. Doświadczenie z relacyjnymi bazami danych i SQL (Oracle/PostgreSQL). Znajomość narzędzi: Git, Maven lub Gradle, Docker, Kubernetes, Helm. Doświadczenie z systemami kolejkowymi (Kafka lub RabbitMQ). Znajomość zasad OOP, programowania wielowątkowego oraz podejść TDD/BDD. Umiejętność diagnozowania i optymalizacji wydajności aplikacji. Doświadczenie w programowaniu w języku GOSU. Znajomość JavaScript, TypeScript, RxJS oraz HTML5. Doświadczenie w obszarze IT Security. Samodzielność w projektowaniu domeny. MILE WIDZIANE Doświadczenie w branży ubezpieczeniowej. CO OFERUJEMY NA TYM PROJEKCIE? Współpracę w oparciu o umowę B2B. Pracę hybrydową z Warszawy (1 raz w tygodniu w biura). Wsparcie dedykowanego opiekuna. Po dołączeniu do speedapp, otrzymasz kontakt do dedykowanego opiekuna, który zadba, aby współpraca z nami oraz z klientem sprawiała Ci satysfakcję. Wydarzenia oraz spotkania integracyjne, a także udział w różnych inicjatywach np. sportowych. Dostęp do oferty benefitów (opieka medyczna, ubezpieczenie na życie, karta Multisport). JAK WYGLĄDA REKRUTACJA? Zgłoszenie: Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening: Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu. Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie 👉 +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland. MASZ PYTANIA? Skontaktuj się bezpośrednio z rekruterem odpowiedzialnym za ten proces. Anna WięckowskaJunior IT Delivery Consultantanna.wieckowska@speedapp.pl

🏢 Summary: Oferta dotyczy roli Java Developera w projekcie z branży ubezpieczeniowej, obejmującej projektowanie, implementację i utrzymanie aplikacji zgodnie z wymaganiami biznesowymi i standardami technologicznymi. Praca realizowana jest w modelu B2B z częściową pracą hybrydową. 🗂️ Requirements: Wykształcenie wyższe informatyczne lub pokrewne, Minimum 3 lata komercyjnego doświadczenia jako Java Developer, Bardzo dobra znajomość Java, Bardzo dobra znajomość Hibernate, Znajomość EJB, Znajomość Swing, Znajomość AWT, Znajomość Angular, Doświadczenie z Jboss EAP, Doświadczenie z bazami danych Oracle lub Postgres, Znajomość Bitbucket, Znajomość Bamboo, Znajomość SonarQube, Znajomość Agile, Znajomość Scrum 📃 Skills: Java, Hibernate, EJB, Swing, AWT, Angular, Jboss, Oracle, Postgres, Bitbucket, Bamboo, SonarQube, Agile, Scrum 🏢 Description: Dołącz do zespołu klienta w branży ubezpieczeniowej w roli Java Developera! ZADANIA Projektowanie, implementacja i utrzymanie aplikacji ubezpieczeniowych zgodnie z wymaganiami biznesowymi i standardami technologicznymi firmy. WYMAGANIA Wykształcenie wyższe kierunkowe (informatyka lub pokrewne). Minimum 3 lata komercyjnego doświadczenia w pracy na stanowisku programista Java. Bardzo dobra znajomość języka programowania Java. Bardzo dobra znajomość framework Hibernate. Znajomość standardów EJB. Znajomość bibliotek Swing, AWT. Znajomość framework: Angular. Doświadczenie w pracy z serwerem aplikacyjnym Jboss EAP. Doświadczenie w pracy z relacyjnymi bazami danych: Oracle i/lub Postgres. Znajomość narzędzi: Bitbucket, Bamboo, SonarQube. Praktyczna znajomość zwinnych metodyk projektowych: Agile, Scrum. MILE WIDZIANE Doświadczenie w projektach z obszaru ubezpieczeń. CO OFERUJEMY NA TYM PROJEKCIE? Współpracę w oparciu o umowę B2B. Pracę hybrydową z nazwa miasta (1 raz na 2 tygodnie z biura). Wsparcie dedykowanego opiekuna. Po dołączeniu do speedapp, otrzymasz kontakt do dedykowanego opiekuna, który zadba, aby współpraca z nami oraz z klientem sprawiała Ci satysfakcję. Wydarzenia oraz spotkania integracyjne, a także udział w różnych inicjatywach np. sportowych. Dostęp do oferty benefitów (opieka medyczna, karta Multisport). JAK WYGLĄDA REKRUTACJA? Zgłoszenie: Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening: Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu. Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland. MASZ PYTANIA? Skontaktuj się bezpośrednio z rekruterem odpowiedzialnym za ten proces. Anna Więckowska Junior IT Delivery Consultant anna.wieckowska@speedapp.pl

🏢 Summary: Oferta dla Java Developera z doświadczeniem w Spring, Hibernate i Spring Boot do projektu w branży ubezpieczeniowej. Rola obejmuje projektowanie i implementację rozwiązań w zespole zwinnym oraz dbanie o jakość oprogramowania i dokumentację techniczną. Praca w modelu zdalnym lub hybrydowym (min. 1 dzień w biurze w Warszawie) w oparciu o umowę B2B. 🗂️ Requirements: Minimum 3 lata doświadczenia w Java, Minimum 3 lata doświadczenia w Spring i Hibernate, Minimum 3 lata doświadczenia w Spring Boot, Znajomość Git, Znajomość Maven, Znajomość frameworków do testów jednostkowych, Znajomość paradygmatów OOP, Znajomość paradygmatów Functional Programming, Znajomość Kafka, Świadczenie usług z terytorium Polski, Gotowość do pracy hybrydowej (min. 1 dzień w biurze w Warszawie) 📃 Skills: Java, Spring, Hibernate, SpringBoot, Git, Maven, Kafka, OOP, FunctionalProgramming, Docker, Kubernetes, Helm, RabbitMQ, ElasticSearch, SpringCloud, SQL 🏢 Description: Dla klienta z branży ubezpieczeniowej poszukujemy Java Developera! ZADANIA - Współudział w opracowaniu koncepcji rozwiązania dla inicjatyw biznesowych - Utrzymywanie i aktualizacja repozytorium dokumentacji technicznej systemów informatycznych - Zapewnienie właściwej jakości wytwarzanego oprogramowania i zgodności ze standardami - Zapewnienie jakości wytwarzanych produktów, wsparcie testów akceptacyjnych oraz wdrożenia rozwiązania - Udział w planowaniu kolejnych wydań oraz iteracji w ramach prac zespołu zwinnego - Udział/prowadzenie review oraz retrospective zespołu w ramach iteracji i wydania - Projektowanie rozwiązań implementowanych w zespole zwinnym - Implementacja rozwiązań przyjętych do realizacji przez zespół WYMAGANIA - Dobra znajomość Java (>3 lata) - Dobra znajomość Spring/Hibernate, Spring Boot (>3 lata) - Znajomość narzędzi Git, Maven - Znajomość frameworków do pisania testów jednostkowych - Znajomość paradygmatów Functional Programming i Object Oriented Programming - Znajomość Kafka - Świadczenie usług z terytorium Polski - Świadczenie usług hybrydowo – minimum 1 dzień z biura MILE WIDZIANE - Znajomość Docker, K8S, Helm - Znajomość RabbitMQ, ElasticSearch - Znajomość Spring Cloud - Dobra znajomość języka SQL CO OFERUJEMY NA TYM PROJEKCIE? - Współpracę w oparciu o umowę B2B - Pracę 100% zdalną / hybrydową z Warszawy (1 raz w tygodniu w biurze) - Wydarzenia oraz spotkania integracyjne, udział w inicjatywach sportowych - Dostęp do benefitów (opieka medyczna, ubezpieczenie na życie, karta Multisport)

🏢 Summary: B2B Software Engineer role focused on building and enhancing frontend applications with Angular and Flutter while supporting backend services in C#/.NET and SQL. The position involves developing RESTful APIs, ensuring application security and performance, and working in Agile sprints within a mostly remote setup. The role combines cross-platform development with backend integration and modern DevOps practices. 🗂️ Requirements: 3+ years of software development experience, Strong knowledge of Angular and Flutter, Strong knowledge of HTML, CSS, TypeScript, JavaScript, Experience with C#/.NET, Experience with SQL Server, Experience with NoSQL databases, Experience designing and implementing RESTful APIs, Experience with Git, Experience working in Agile methodologies, Ability to perform unit testing and debugging 📃 Skills: Angular, Flutter, HTML, CSS, TypeScript, JavaScript, C#, .NET, SQL, SQLServer, NoSQL, REST, Git, Agile, Azure, AWS, AzureFunctions, AzureDevOps, CI/CD, OAuth, JWT, IdentityServer, Ionic, Cordova 🏢 Description: Join a client’s company as a Software Engineer, working on frontend development with Angular and Flutter, supporting backend services with C#/.NET and SQL, and collaborating on user-friendly applications. RESPONSIBILITIES Develop, maintain, and enhance applications using Angular and Flutter Support backend development with C#/.NET and SQL Design and implement RESTful APIs and integrate them with frontend applications Ensure application security , performance , and scalability Perform unit testing , debugging, and participate in code reviews Collaborate in Agile sprints , contributing to planning, development, testing, and deployment Work closely with the Product team to translate requirements into technical solutions Stay up to date with emerging technologies and suggest process improvements REQUIREMENTS 3+ years of software development experience Strong knowledge of Angular , Flutter , HTML , CSS , TypeScript , and JavaScript frameworks Experience with C#/.NET and SQL Server (plus NoSQL) Familiarity with Git and Agile methodologies Strong problem-solving skills and attention to detail Excellent communication and teamwork skills A proactive mindset and eagerness to learn new technologies NICE TO HAVE Experience with Ionic or Cordova Knowledge of Azure or AWS cloud platforms Familiarity with Azure Functions, Azure DevOps, and CI/CD pipelines Experience with authentication frameworks (OAuth, JWT, IdentityServer) Interest in cross-platform development WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract and rate: 90-100 PLN/hour / Cooperation based on a B2B contract. Hybrid work: (90% remote) from Kraków (1-2 times a month in the office). The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. Events and integration meetings, as well as participation in various initiatives, e.g., sports. Access to the benefits offering (medical care, life insurance, Multisport card). WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Ilona Wójcik Junior IT Delivery Consultant ilona.wojcik@speedapp.pl +48 882 842 363

🏢 Summary: B2B contract role for a Senior Java Developer in the financial sector, focused on designing and implementing systems in a hexagonal architecture. The position involves ensuring code quality, performance, and security within agile teams. Hybrid work model with competitive hourly rate. 🗂️ Requirements: Minimum 5 years of professional experience in Java (version 17+), Strong knowledge of Spring stack, especially MVC and Data, Experience designing relational databases (MS SQL, Oracle), Experience designing non-relational databases (Elasticsearch, Redis), Experience working in SCRUM teams, Knowledge of Apache Kafka, Ability to design and implement hexagonal architecture, Ability to analyze system performance and security 📃 Skills: Java, Java17, Spring, MVC, Data, MSSQL, Oracle, Elasticsearch, Redis, Kafka, Scrum, Hexagonal, SQL 🏢 Description: Dołącz do zespołu klienta z branży finansowej jako Senior Java Developer! ZADANIA Projektowanie oraz implementacja oprogramowania w architekturze heksagonalnej Dbanie o jakość kodu i zgodność z obowiązującymi standardami Analiza funkcjonowania systemu pod względem wydajności i bezpieczeństwa WYMAGANIA Minimum 5 lat doświadczenia w profesjonalnym programowaniu w Javie (wersja 17 i wyżej) Znajomość stosu Spring, w szczególności MVC i Data Umiejętność projektowania relacyjnych (MS SQL, Oracle) oraz nierelacyjnych (Elasticsearch, Redis) baz danych Doświadczenie w pracy w zespołach zwinnych (SCRUM) Znajomość Apache Kafka MILE WIDZIANE Znajomość języków skryptowych JavaScript - React, Python Umiejętność pracy w środowisku chmurowym Azure Znajomość platform Kubernetes, Docker Umiejętność projektowania architektury systemów w postaci opracowania HLD Znajomość UML i diagramów przepływów CO OFERUJEMY NA TYM PROJEKCIE? Współpracę w oparciu o umowę B2B i stawkę: 130 zł/h. Pracę hybrydową z Wrocławia (1 razy w tygodniu w biura) Wsparcie dedykowanego opiekuna. Po dołączeniu do speedapp, otrzymasz kontakt do dedykowanego opiekuna, który zadba, aby współpraca z nami oraz z klientem sprawiała Ci satysfakcję. Wydarzenia oraz spotkania integracyjne, a także udział w różnych inicjatywach np. sportowych. Dostęp do oferty benefitów (opieka medyczna, ubezpieczenie na życie, karta Multisport). JAK WYGLĄDA REKRUTACJA? Zgłoszenie : Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening : Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu . Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland. MASZ PYTANIA? Skontaktuj się bezpośrednio z rekruterem odpowiedzialnym za ten proces. Imię Nazwisko Stanowisko mail@speedapp.pl +48 telefon

🏢 Summary: The role involves designing and building high-scale infrastructure and platform solutions in .NET 8 for a global travel-tech product used by millions of users. The position focuses on developing a new architecture for internet-scale systems with an emphasis on innovation and continuous improvement. It includes end-to-end solution design and deployment in large-scale production environments. 🗂️ Requirements: 5+ years of experience with .NET Core and C#, Strong foundation in computer science, Strong knowledge of object-oriented design, Knowledge of design patterns, Knowledge of algorithms and data structures, Experience designing end-to-end solutions for internet-scale systems, Experience with large-scale production environments, Good understanding of SQL Server, Good understanding of Redis, Fluent English (written and verbal) 📃 Skills: .NET, C#, SQL, SQLServer, Redis, Kubernetes, Docker, Elasticsearch, CI/CD, NoSQL 🏢 Description: Join the client's team in the travel-tech industry.. RESPONSIBILITIES In this role, the infrastructure and platform used daily by millions of travelers worldwide will be designed and built. The focus is on full transparency, continuous improvement, innovation, and maximizing the use of technology. The team will be responsible for designing and developing a new architecture in .NET 8 to support high-scale products. REQUIREMENTS A solid foundation in computer science and strong competencies in object-orienteddesign, design patterns, algorithms, and data structures, with solid developmentexperience in .NET Core / C# - At least 5+ years experience. Thrive in a fast-paced environment, able to adapt and learn new technologies quickly. Hands-on experience designing, developing, and deploying end-to-end solutions for internet-scale problems. Good understanding of SQL Server and Redis. Experience with large-scale production environments. Excellent communication skills, initiative, and teamwork. High level of communication skills (written and verbal) in English NICE TO HAVE Experience in travel tech. Working with CI/CD is an advantage. Experience with containers and Kubernetes. Experience with NoSQL databases (like Elasticsearch) WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract. Hybrid work from Warsaw (2 times a week in the office). The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. Events and integration meetings, as well as participation in various initiatives, e.g., sports. Access to the benefits offering (medical care, life insurance, Multisport card). WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Aleksandra Mazur Senior IT Research Consultant aleksandra.mazur@speedapp.pl +48 728 360 029

🏢 Summary: B2B role to design and build high-scale infrastructure and platform solutions in .NET 8 for a global travel-tech product used by millions of users. The position focuses on developing a new architecture and delivering end-to-end solutions for internet-scale systems in a fast-paced environment. 🗂️ Requirements: 5+ years of commercial experience with .NET Core and C#, Strong foundation in computer science, Proficiency in object-oriented design, Knowledge of design patterns, Knowledge of algorithms and data structures, Experience designing end-to-end internet-scale solutions, Experience with large-scale production environments, Good understanding of SQL Server, Good understanding of Redis, Fluent English (written and verbal) 📃 Skills: .NET, C#, SQL, SQLServer, Redis, OOP, DesignPatterns, Algorithms, DataStructures 🏢 Description: Join the client's team in the travel-tech industry. RESPONSIBILITIES In this role, the infrastructure and platform used daily by millions of travelers worldwide will be designed and built. The focus is on full transparency, continuous improvement, innovation, and maximizing the use of technology. The team will be responsible for designing and developing a new architecture in .NET 8 to support high-scale products. REQUIREMENTS A solid foundation in computer science and strong competencies in object-orienteddesign, design patterns, algorithms, and data structures, with solid developmentexperience in .NET Core / C# - At least 5+ years experience. Thrive in a fast-paced environment, able to adapt and learn new technologies quickly. Hands-on experience designing, developing, and deploying end-to-end solutions for internet-scale problems. Good understanding of SQL Server and Redis. Experience with large-scale production environments. Excellent communication skills, initiative, and teamwork. High level of communication skills (written and verbal) in English NICE TO HAVE Experience in travel tech. Working with CI/CD is an advantage. Experience with containers and Kubernetes. Experience with NoSQL databases (like Elasticsearch) WHAT DO WE OFFER ON THIS PROJECT? Cooperation based on a B2B contract. Hybrid work from Warsaw (2 times a week in the office). The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. Events and integration meetings, as well as participation in various initiatives, e.g., sports. Access to the benefits offering (medical care, life insurance, Multisport card). WHAT DOES THE RECRUITMENT PROCESS LOOK LIKE? Application: Apply and submit your CV. After the application review, the recruiter will contact selected candidates by phone. Screening: Have a conversation with a speedapp recruiter about your experience. Next steps: The speedapp recruiter will explain the recruitment process for the specific position. The speedapp recruiter will stay in touch with you throughout the entire process. ABOUT SPEEDAPP At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch. DO YOU HAVE ANY QUESTIONS? Contact the recruiter responsible for this process directly. Aleksandra Mazur Senior IT Research Consultant aleksandra.mazur@speedapp.pl +48 728 360 029