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May 12, 2026
Senior Java Developer
Senior • Hybrid
150 - 190 PLN
Warsaw, Poland
Nasz Klient to firma technologiczna tworząca zaawansowaną platformę dla sektora finansowego, wykorzystywaną przez ponad 130 instytucji na świecie do wykrywania fraudów, przeciwdziałania praniu pieniędzy oraz analizy transakcji w czasie rzeczywistym. Projekt koncentruje się na utrzymaniu i rozwoju dużej, złożonej platformy enterprise, składającej się z kilkudziesięciu aplikacji, obejmującej m.in. elementy AI (Artificial Intelligence), scoringu klienta, wnioskowania oraz funkcjonalności używane w systemach bankowych. Szukamy doświadczonej osoby na stanowisko Senior Java Backend Developer, która dobrze odnajduje się w środowiskach wysoko transakcyjnych, potrafi diagnozować złożone problemy techniczne i chce mieć realny wpływ na rozwój systemów używanych globalnie.
📍 TRYB PRACY: Warszawa, hybrydowo, minimum 2 dni w tygodniu z biura, czasem 3 dni.
🧑💻 CZYM BĘDZIESZ SIĘ ZAJMOWAĆ?
Rozwojem i utrzymaniem dużej, złożonej platformy enterprise wykorzystywanej przez globalne instytucje finansowe do analizy transakcji, wykrywania fraudów, scoringu klientów oraz obsługi procesów związanych z przeciwdziałaniem przestępczości finansowej.
Projektowaniem i dostarczaniem funkcjonalności backendowych w środowisku wysoko transakcyjnym, gdzie liczy się niezawodność, wydajność, skalowalność oraz umiejętność pracy z dużymi wolumenami danych.
Diagnozowaniem problemów wydajnościowych i infrastrukturalnych, analizą miejsc, w których system „utyka”, identyfikowaniem nadmiernego zużycia zasobów oraz proponowaniem praktycznych rozwiązań.
Pracą przy instalacjach, upgrade’ach, skryptach migracyjnych oraz stopniowym przepisywaniu istniejących rozwiązań na nowsze technologie.
Wspieraniem mniejszych decyzji projektowych i architektonicznych - nie jest to rola architektoniczna, ale doświadczenie w tym obszarze będzie dużym atutem.
🔍 CZEGO OD CIEBIE OCZEKUJEMY?
Must have:
Minimum 7–8 lat doświadczenia komercyjnego w tworzeniu i utrzymaniu systemów produkcyjnych, najlepiej w środowiskach wysoko transakcyjnych, rozproszonych lub przetwarzających duże wolumeny danych.
Bardzo dobrej znajomości Java oraz doświadczenia z Spring Boot przy budowie backendowych usług produkcyjnych.
Doświadczenia z systemami kolejkowymi i przetwarzaniem zdarzeń, szczególnie z Kafka oraz mile widzianą znajomością RabbitMQ.
Praktycznej znajomości konteneryzacji i pracy ze środowiskami uruchomieniowymi opartymi o Docker oraz Kubernetes.
Umiejętności pracy z systemami Unix/Linux z perspektywy użytkownika oraz swobodnego poruszania się po środowiskach serwerowych.
Bardzo dobrej znajomości języka angielskiego na poziomie C1 – organizacja działa międzynarodowo, a codzienna komunikacja wymaga jasnego i praktycznego porozumiewania się.
Nice to have:
Doświadczenie z chmurą, szczególnie GCP (Google Cloud Platform), lub innymi rozwiązaniami cloudowymi.
Znajomość Terraform, Angular, Elasticsearch, Spark, SQL oraz narzędzi obserwowalności, takich jak Grafana.
Doświadczenie w branży bankowej, fintech, forex, kurierskiej, logistycznej lub innej, w której występują systemy rozproszone, wysoka transakcyjność i potrzeba analizy problemów wydajnościowych.
Background architektoniczny lub doświadczenie w podejmowaniu mniejszych decyzji projektowo-technicznych w zespole seniorskim.
🤝 DLACZEGO WARTO?
Realny wpływ na rozwój platformy używanej przez globalne instytucje finansowe do wykrywania i zapobiegania przestępczości finansowej.
Praca w doświadczonym, technicznym zespole, który stawia na ownership, dobrą komunikację i solidne decyzje inżynierskie.
Możliwość pracy przy systemach o dużej skali, wysokiej transakcyjności i realnych wyzwaniach wydajnościowych.
Kontakt z nowoczesnym stackiem technologicznym obejmującym Java, Spring Boot, Kafka, Docker, Kubernetes, rozwiązania cloudowe oraz narzędzia observability.
Przejrzysty proces rekrutacyjny: 1-godzinna rozmowa techniczna online z developerem, a następnie spotkanie na miejscu poświęcone dopasowaniu do zespołu, rozmowie o doświadczeniu oraz otwartym tematom technicznym i architektonicznym.
Dziękujemy za wszystkie zgłoszenia! Skontaktujemy się z wybranymi osobami.
TQLO Sp. z o.o. – Agencja Zatrudnienia (nr KRAZ 33580)
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Warsaw, Poland
150 - 190 PLN
🏢 Summary: Oferta dla Senior Fullstack Developera do rozwoju skalowalnej platformy analitycznej dla globalnych organizacji, w proporcji ok. 60% Angular i 40% Java. Rola obejmuje rozwój systemów przetwarzających duże wolumeny danych, rozwiązywanie problemów produkcyjnych oraz wpływ na architekturę produktu. Praca hybrydowa w Warszawie, 2–3 dni tygodniowo z biura. 🗂️ Requirements: Minimum 7 lat komercyjnego doświadczenia w Fullstack Development lub rozwoju aplikacji frontendowych i backendowych, Bardzo dobra znajomość Angular 19+ i TypeScript, Komercyjne doświadczenie backendowe w Java, Doświadczenie z architekturą Nx monorepo i SCSS, Znajomość systemów rozproszonych lub środowisk chmurowych, Umiejętność samodzielnego rozwiązywania złożonych problemów technicznych i pracy z systemami produkcyjnymi, Doświadczenie w zespołach agile’owych, Bardzo dobra komunikacja techniczna, Znajomość języka polskiego i angielskiego na poziomie minimum C1, Dostępność od zaraz lub maksymalnie w ciągu miesiąca, Gotowość do pracy hybrydowej w Warszawie 2–3 dni w tygodniu 📃 Skills: Angular, TypeScript, Java, Nx, SCSS 🏢 Description: Nasz Klient to międzynarodowa firma produktowa rozwijająca zaawansowane rozwiązania technologiczne wspierające analizę danych, monitorowanie procesów oraz podejmowanie decyzji biznesowych w środowisku o dużej skali. Projekt dotyczy rozwoju nowoczesnej platformy wykorzystywanej przez organizacje działające na wielu rynkach. Tworzone rozwiązanie przetwarza duże wolumeny danych i wspiera użytkowników w analizie informacji oraz identyfikowaniu potencjalnych ryzyk biznesowych. Do realizacji projektu zapraszamy osoby posiadające doświadczenie jako Senior Fullstack Developer (Angular + Java), które chcą pracować nad rozwijanym produktem, mieć wpływ na decyzje techniczne oraz uczestniczyć w budowie systemów działających produkcyjnie na dużą skalę. 📍 Tryb Współpracy: Warszawa – model hybrydowy (2–3 dni w tygodniu z biura) ⏱️ Dostępność: Poszukujemy osób dostępnych od zaraz lub z maksymalnie 1-miesięczną dostępnością 🧑💻 CZYM BĘDZIESZ SIĘ ZAJMOWAĆ? Projektowaniem i rozwijaniem funkcjonalności fullstack z wykorzystaniem Angular i Java (ok. 60% frontend / 40% backend) w ramach platformy wykorzystywanej przez globalne organizacje Tworzeniem skalowalnych komponentów frontendowych w architekturze Nx monorepo oraz dbaniem o jakość, wydajność i utrzymywalność kodu Rozwiązywaniem problemów produkcyjnych, analizowaniem przyczyn źródłowych oraz wdrażaniem długoterminowych usprawnień systemowych Pracą z systemami rozproszonymi i dużymi wolumenami danych w środowisku chmurowym Współpracą z międzynarodowymi zespołami projektowymi w języku angielskim Udziałem w podejmowaniu decyzji technicznych i realnym wpływem na rozwój architektury produktu 🔍 CZEGO OD CIEBIE OCZEKUJEMY? Must have: Minimum 7 lat doświadczenia komercyjnego w obszarze Fullstack Development lub rozwoju aplikacji frontendowych i backendowych Bardzo dobra znajomość Angular (preferowana wersja 19+) oraz TypeScript Komercyjne doświadczenie w developmentcie backendowym z wykorzystaniem Java Doświadczenie w pracy z architekturą Nx monorepo oraz nowoczesnym stylingiem frontendowym (np. SCSS ) Znajomość systemów rozproszonych lub środowisk chmurowych Umiejętność samodzielnego rozwiązywania złożonych problemów technicznych i pracy z systemami produkcyjnymi Doświadczenie w pracy w zespołach agile’owych oraz bardzo dobra komunikacja techniczna Znajomość języka angielskiego i polskiego na poziomie minimum C1 (codzienna współpraca w środowisku międzynarodowym) Nice to have: Znajomość Spring Boot , Python , Kafka , Elasticsearch lub innych technologii związanych z przetwarzaniem danych Doświadczenie z konteneryzacją i orkiestracją, np. Docker oraz Kubernetes Praktyczna znajomość rozwiązań chmurowych, szczególnie Google Cloud Platform (GCP) lub Terraform Znajomość baz danych SQL oraz narzędzi monitoringowych, np. Grafana Doświadczenie w branży fintech, banking lub financial crime prevention 🤝 DLACZEGO WARTO? Udział w projekcie związanym z rozwojem produktu wykorzystywanego przez organizacje działające na wielu rynkach Udział w budowie systemów przetwarzających duże wolumeny danych i wspierających zaawansowane procesy biznesowe Międzynarodowe środowisko współpracy oraz codzienny kontakt z zespołami z różnych krajów Duża autonomia działania i realny wpływ na decyzje technologiczne oraz rozwój produktu 📍 Dziękujemy za wszystkie zgłoszenia! Skontaktujemy się z wybranymi osobami. TQLO Sp. z o.o. – Agencja Zatrudnienia (nr KRAZ 33580)
Technology
Optiveum
Java Developer
Senior
Hybrid
Warsaw, MZ, Poland
120 - 150 PLN/hr
🏢 Summary: Senior Java Developer role focused on building and maintaining scalable backend services for digital banking platforms. The position combines Java development with ownership of backend testing, AI-assisted delivery practices, and collaboration in a cross-functional agile team. It offers a B2B contract, up to 150 PLN/h net + VAT, and hybrid work in Warsaw. 🗂️ Requirements: Backend development experience at Regular or Senior level, Java 21+ proficiency, REST API and microservices architecture experience, Spring Boot 3.4, Spring WebFlux, and Hibernate experience, Test automation experience with JUnit5, Cucumber, and WireMock, Git, Maven, Jenkins, Oracle DB, DB2, SQL, and Splunk knowledge, SOLID principles understanding, AI tools usage in software development, Fluent English 📃 Skills: Java, REST, Microservices, Spring, WebFlux, Hibernate, JUnit, Cucumber, WireMock, Git, Maven, Jenkins, Oracle, DB2, SQL, Splunk, SOLID, AI 🏢 Description: Senior Java Developer About our Client You will be working for a prominent player in the banking industry, helping shape the future of digital business banking across the Nordic region. The client builds and delivers innovative web and mobile banking solutions used by customers in Denmark, Finland, Sweden, and Norway, continuously evolving the next generation of scalable digital banking services. The Role & Expectations We are looking for a Senior Java Developer who embraces a blended capability role. Beyond standard development tasks, you will be expected to champion and drive backend testing within your agile team. You should be comfortable working in a modern, large-scale banking platform and proactively using AI-powered tools to optimize your daily workflow. What you will do Design, develop, test, and maintain backend services that power digital banking platforms. Drive backend testing activities (performance, unit, integration, and API testing) ensuring highly reliable and scalable solutions. Leverage AI-powered tools as a standard part of your daily development, testing, and delivery practices. Collaborate closely with business stakeholders to understand requirements and translate business needs into technical solutions. Contribute to the full product lifecycle—from technical design and implementation to continuous improvement and operational support. Work collaboratively within a cross-functional agile team based in a vibrant Warsaw hub. What we expect (Must-haves) Strong experience as a Backend Developer (Regular to Senior level). Solid proficiency in Java 21+ , REST APIs, and microservices architecture. Hands-on experience with Spring Boot 3.4 , Spring WebFlux, and Hibernate. Experience in test automation ( JUnit5, Cucumber, WireMock ). Working knowledge of Git, Maven, Jenkins, Oracle DB/DB2/SQL, and Splunk. Strong understanding of SOLID principles (knowledge of reactive programming is a major advantage). Mandatory experience in utilizing AI tools in software development. Fluent English (essential for daily communication in an international environment). Nice-to-haves Frontend development experience (JavaScript, TypeScript, Angular 2+). Familiarity with testing tools and frameworks like Playwright, qTest, and Gherkin. ISTQB Foundation certification. What is offered Salary: Up to 150 PLN/h net + VAT. Contract: B2B agreement Work model: Hybrid (3 days per week in the Warsaw office).