Java Cloud Developer (f/m/x)

🏢 Summary: Opportunity for an experienced Java Developer to build and enhance digital banking systems, including electronic mortgage and workflow-based customer service platforms. The role focuses on developing microservices-based solutions and delivering high-quality, tested financial applications in a distributed team environment. 🗂️ Requirements: Minimum 4 years of Java programming experience, Experience building microservices, Strong object-oriented programming knowledge, Proficiency in Spring framework, Proficiency in Hibernate, Experience with RabbitMQ or Kafka, Experience with MongoDB, Experience writing unit and integration tests 📃 Skills: Java, Spring, Hibernate, Microservices, OOP, RabbitMQ, Kafka, MongoDB, Testing 🏢 Description: We are looking for an experienced Java Developer to join our project in the banking industry. In this role, you will work on developing either a fully electronic mortgage application system or workflow-based systems for post-sale customer service, including the sale of additional financial products. This is your chance to contribute to innovative, customer-focused solutions that combine cutting-edge technology with the reliability of a leading financial institution. Join us! Your tasks Deliver digitally advanced financial products and enhance existing systems by implementing new features and improvements Collaborate with globally distributed teams to develop customer-focused products Update and maintain comprehensive documentation for team processes, best practices, and software systems Apply exceptional analytical skills to develop creative, commercially viable solutions Contribute innovative ideas to the team while continuously expanding your technical knowledge Ensure key functionalities are covered with unit and integration tests Requirements Minimum 4 years of Java programming experience Experience building microservices and object-orientated programming Proficiency in frameworks for creating web applications, including Spring and Hibernate Prior experience with RabbitMQ/Kafka and MongoDB is beneficial Fluent level of written and spoken English Openness to hybrid work in Poznan or Wroclaw (min. 1 day/week in-office) Fluent Polish required Residing in Poland required What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Remote Java Developer role focused on building and maintaining cloud-native, microservices-based backend systems for digital healthcare in the pharmaceutical industry, leveraging AI and LLM tools to enhance development processes. The position involves designing REST APIs, ensuring high code quality, and contributing to AI-driven clinical and decision-support solutions. Work is fully remote with an AI-first engineering approach. 🗂️ Requirements: Minimum 5 years experience with Java 17+, Strong knowledge of JVM internals, concurrency, and memory management, Strong experience with Spring Boot, Spring MVC, Spring Data JPA, Spring Security, Proven experience designing microservices architectures, Experience developing REST APIs, Hands-on experience with AI/LLM coding tools, Experience with AWS cloud services, Experience with observability tools, Proficiency with SQL and NoSQL databases, Experience with CI/CD pipelines, Proficiency with Git, Fluent Polish, Residing in Poland 📃 Skills: Java, JVM, SpringBoot, SpringMVC, SpringDataJPA, SpringSecurity, Microservices, REST, AWS, Grafana, OpenTelemetry, DataDog, SQL, NoSQL, Git, CICD, LLM, Copilot, Cursor, AI 🏢 Description: We are looking for an experienced Java Developer to work on innovative solutions in the pharmaceutical industry. Our systems support clinicians and patients worldwide, leveraging cloud-native platforms, microservices, and cutting-edge AI technologies such as large language models and intelligent agents that enhance the software development lifecycle. If you want to help shape the future of digital healthcare, working 100% remotely with an AI-first approach, this role is for you. Your tasks Develop and maintain backend services using Java/Spring Boot Apply AI tools to speed up refactoring, boilerplate generation, and debugging Design and develop REST APIs in a microservices architecture Automate unit, integration, and end-to-end testing with AI-assisted approaches Collaborate on CI/CD and code review processes, enhanced by AI tools Ensure high code quality, adherence to SOLID principles, and software best practices Contribute to projects in cutting-edge AI applications in pharma, e.g., clinical data analysis, intelligent decision support, and process automation Requirements Extensive experience (minimum 5 years) with Java 17+, JVM internals, concurrency, and memory management Strong knowledge of Spring Boot, including Spring MVC, Spring Data JPA, and Spring Security Proven expertise in designing and developing microservices-based applications Familiarity with AI/LLM tools to accelerate coding, refactoring, and bug fixing (e.g., Copilot, Cursor) Ability to leverage AI agents for automating unit tests, documentation, and PR descriptions Expertise with AWS cloud and observability tools such as Grafana, OpenTelemetry, or DataDog Proficiency with SQL and NoSQL databases, CI/CD pipelines, and Git version control Fluent Polish required Residing in Poland required What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Senior Java Developer role in an agile team driving large-scale cloud migration within a banking environment, focused on building reusable solutions and enabling adoption of public cloud (Azure). The position involves hands-on development, DevOps practices, and collaboration across global teams to support strategic platform transformation. Hybrid work model with 3 days per week on-site in Krakow. 🗂️ Requirements: Strong experience in Java, C#, JavaScript, Python or Go, Experience with CI/CD tools such as Maven, Gradle, Jenkins, TeamCity or GitLab, Experience with Docker, Kubernetes and Helm, Experience with Microsoft Azure or other major cloud platforms, Experience with Infrastructure-as-Code tools such as Terraform, ARM or CloudFormation, Proficiency in scripting languages such as PowerShell or Bash, Experience with GitHub or similar version control systems, Knowledge of Agile methodologies (Scrum or Kanban), Understanding of DevOps practices and automation, Availability to work 3 days per week from the Krakow office 📃 Skills: Java, C#, JavaScript, Python, Go, Maven, Gradle, Jenkins, TeamCity, GitLab, Docker, Kubernetes, Helm, Azure, Terraform, ARM, CloudFormation, PowerShell, Bash, GitHub, Scrum, Kanban, DevOps 🏢 Description: We are looking for a Senior Java Developer to join an agile delivery team working on a strategic cloud transformation initiative within a large-scale banking environment. In this role, you will help drive the migration of critical applications to public cloud infrastructure, collaborating with global IT teams to engineer reusable solutions and enhance developer experience. You will play a key part in building the foundation that enables seamless cloud adoption and supports innovative platform development across the organization. This role offers a hybrid model, with 3 days per week working from the client's office in Krakow. If you're ready to make an impact in a dynamic environment, we want to hear from you! Responsibilities Collaborate with IT teams to support and accelerate cloud migration projects Engineer common, reusable solutions for cloud adoption Write high-quality, reusable code and adhere to coding standards Develop clear, comprehensive documentation for solutions and processes Apply best practices in development and DevOps, leveraging modern technologies Participate in solution design, code sample creation, and architecture vision sharing Work in an agile, cross-location team environment Support improvements in internal client infrastructure migration to Cloud (Azure) Contribute to the co-development of platform solutions and processes for digital channels, cognitive services, and data Requirements Solid background in development using a language such as Java, C#, JavaScript, Python or Go CI/CD including tools such as Maven, Gradle, Jenkins, TeamCity, GitLab, etc. Containers and container orchestration using Docker, Kubernetes and Helm Microsoft Azure or other major cloud platforms Infrastructure-as-code, using tools such as Terraform, ARM or CloudFormation Scripting languages, including Windows PowerShell, Bash, etc. GitHub or similar, contributing to open-source projects Agile development practices (Scrum, Kanban) DevOps practices and the value of automation 3 days in the office per week is a must We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Java Developer role in a large-scale banking cloud transformation initiative, focused on migrating critical applications to public cloud and building reusable platform solutions. The position involves engineering cloud-native solutions, supporting DevOps practices, and collaborating in agile, cross-location teams. Hybrid model with 3 days per week onsite. 🗂️ Requirements: Strong development experience in Java or similar language (C#, JavaScript, Python, Go), Experience with CI/CD tools (Maven, Gradle, Jenkins, TeamCity, GitLab), Hands-on experience with Docker, Kubernetes, Helm, Experience with Microsoft Azure or other major cloud platforms, Experience with Infrastructure-as-Code tools (Terraform, ARM, CloudFormation), Knowledge of scripting languages (PowerShell, Bash), Experience with GitHub or similar version control systems, Understanding of Agile methodologies (Scrum, Kanban), Knowledge of DevOps practices and automation, Availability to work onsite 3 days per week 📃 Skills: Java, C#, JavaScript, Python, Go, Maven, Gradle, Jenkins, TeamCity, GitLab, Docker, Kubernetes, Helm, Azure, Terraform, ARM, CloudFormation, PowerShell, Bash, GitHub, Scrum, Kanban, DevOps 🏢 Description: We are looking for a Senior Java Developer to join an agile delivery team working on a strategic cloud transformation initiative within a large-scale banking environment. In this role, you will help drive the migration of critical applications to public cloud infrastructure, collaborating with global IT teams to engineer reusable solutions and enhance developer experience. You will play a key part in building the foundation that enables seamless cloud adoption and supports innovative platform development across the organization. This role offers a hybrid model, with 3 days per week working from the client's office in Krakow. If you're ready to make an impact in a dynamic environment, we want to hear from you! Responsibilities Collaborate with IT teams to support and accelerate cloud migration projects Engineer common, reusable solutions for cloud adoption Write high-quality, reusable code and adhere to coding standards Develop clear, comprehensive documentation for solutions and processes Apply best practices in development and DevOps, leveraging modern technologies Participate in solution design, code sample creation, and architecture vision sharing Work in an agile, cross-location team environment Support improvements in internal client infrastructure migration to Cloud (Azure) Contribute to the co-development of platform solutions and processes for digital channels, cognitive services, and data Requirements Solid background in development using a language such as Java, C#, JavaScript, Python or Go CI/CD including tools such as Maven, Gradle, Jenkins, TeamCity, GitLab, etc. Containers and container orchestration using Docker, Kubernetes and Helm Microsoft Azure or other major cloud platforms Infrastructure-as-code, using tools such as Terraform, ARM or CloudFormation Scripting languages, including Windows PowerShell, Bash, etc. GitHub or similar, contributing to open-source projects Agile development practices (Scrum, Kanban) DevOps practices and the value of automation 3 days in the office per week is a must We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Java Developer role focused on designing and building high-performance, scalable backend systems in a distributed microservices environment for the financial sector. The position involves developing REST APIs, processing large data volumes, and contributing to architecture and CI/CD in cloud-based environments. The role requires strong expertise in Java, Spring, distributed systems, and Kubernetes. 🗂️ Requirements: Minimum 10 years of software development experience, Very good knowledge of Java and Spring, Strong understanding of REST APIs, HTTPS, microservices, and message queues, Ability to design high-availability, scalable, high-performance systems, Very good knowledge of relational databases and SQL, Knowledge of distributed systems and data processing, Hands-on experience with Kubernetes and cloud platforms (GCP preferred), Familiarity with CI/CD pipelines, Experience working in Agile methodologies, Fluent Polish and English, Residence in Poland 📃 Skills: Java, Spring, REST, HTTPS, Microservices, MQ, SQL, Kubernetes, GCP, CI/CD, Agile, DistributedSystems, DataProcessing 🏢 Description: We are looking for an experienced Senior Java Developer to join a team responsible for building and developing modern backend systems in a distributed environment. The projects involve high-performance and scalable solutions used in the financial sector, with a focus on processing large volumes of data and microservices architecture. Your tasks Designing and developing backend systems based on Java Creating and evolving a microservices architecture Building and maintaining REST APIs and system integrations Designing solutions that meet high availability and performance requirements Working with systems that process large volumes of data Collaborating with the team using Agile methodologies Participating in architecture design and technical decision-making Implementing and optimizing CI/CD processes and ensuring system security Requirements Minimum 10 years in software development Very good knowledge of Java (backend) and Spring Strong understanding of REST APIs, HTTPS, microservices, and message queues (MQ) Ability to design high-availability, scalable, and high-performance systems Very good knowledge of relational databases (SQL) Familiarity with CI/CD pipelines and Agile ways of working Knowledge of distributed systems and data processing Hands-on work with Kubernetes and cloud platforms (GCP preferred) Fluent Polish and English required Residing in Poland required Nice-to-have requirements Knowledge of Go, Rust, or similar system-level languages Experience with NoSQL and analytical databases, e.g., ClickHouse Frontend development experience Familiarity with the banking sector (trade lifecycle, FX, post-trade processing) Banking experience / FX experience (forex) Working from the office in Krakow 6 times per month What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Java Developer role focused on modernizing and improving resiliency of Cost Basis services within a high-volume, cloud-native architecture. The position involves implementing caching, migrating REST logic to GraphQL, and enhancing service stability in AWS environments. It combines backend development with API refactoring and cloud-based distributed systems work. 🗂️ Requirements: 3+ years Java backend development experience, Experience with AWS including ECS and ElastiCache, Experience with REST and GraphQL, API design and refactoring experience, Experience with test automation, Experience with JIRA and Confluence, English proficiency B2 or higher 📃 Skills: Java, AWS, ECS, ElastiCache, REST, GraphQL, JIRA, Confluence, Caching, Backend, CloudNative, Serverless, AI 🏢 Description: We are seeking a skilled Java Developer to join a transformative initiative enhancing resiliency and modernizing APIs for critical Cost Basis services. This role offers the chance to work with cutting-edge technology within a high-volume, distributed cloud-native architecture, contributing to stability improvements and technical excellence. This role offers a hybrid model, with 3 days per week working from the client's office in Krakow or Gdansk, Poland. Responsibilities Implement caching mechanisms for vendor calls within existing Cost Basis services Migrate business logic from REST APIs to a new GraphQL service Deliver stability improvements and reduce technical risks across services Collaborate with teams to ensure comprehensive product ownership from ideation to post-production Enable effective offshore teamwork through clear and precise communication Requirements 3+ years of experience in Java and backend service development Expertise in AWS technologies, including ECS and ElastiCache Skills in API design and refactoring, with experience in REST and GraphQL Familiarity with test automation and production support tools like JIRA and Confluence Capability to adopt agentic AI tools for technical analysis Strong communication abilities and teamwork skills English proficiency at B2 level or higher Nice to have Proficiency in monitoring and observability tools like Splunk and Honeycomb Background in organizational excellence and attention to detail Showcase of effective team collaboration and knowledge sharing Understanding of cloud-native, serverless architectures Flexibility to explain technical concepts clearly to stakeholders We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: The offer is for a Java Developer to build and maintain a modern digital platform supporting virtual payment cards, fleet solutions, and Click & Collect services. The role focuses on designing and developing Java-based microservices in a cloud environment, contributing to CI/CD processes, and working within a Scrum team. It involves both new feature development and maintenance in a globally expanding product. 🗂️ Requirements: Minimum 3 years experience with Java 11+, Strong knowledge of Spring Boot, Experience building REST APIs and web applications, Experience with Git and CI/CD pipelines, Experience with AWS (ECS, Kubernetes, Terraform), Experience integrating external APIs, Knowledge of hexagonal architecture, Experience with Flyway, Experience with PostgreSQL, Experience with MongoDB, Experience with Spock or JUnit, English level C1 📃 Skills: Java, Spring, SpringBoot, REST, Git, GitHub, Actions, CI/CD, AWS, ECS, Kubernetes, Terraform, Flyway, PostgreSQL, MongoDB, Spock, JUnit, Scrum, Docker 🏢 Description: Wspólnie z naszym Partnerem, liderem w branży paliwowo-energetycznej, poszukujemy doświadczonej osoby na stanowisko Java Developer. Projekt dotyczy tworzenia nowoczesnej platformy cyfrowej dla klientów biznesowych, wspierającej m.in . wirtualne karty płatnicze, rozwiązania flotowe oraz model Click & Collect, umożliwiającej kompleksowe zarządzanie płatnościami, komunikacją i usługami mobilności. To dynamicznie rozwijające się środowisko obejmuje zarówno rozwój nowych aplikacji, jak i utrzymanie istniejących rozwiązań, z rosnącym zasięgiem globalnym (w tym ekspansją na rynek USA). 💡 TWOJA ROLA: Współpraca z zespołem doświadczonych developerów przy tworzeniu wysokiej jakości oprogramowania zgodnie z najlepszymi praktykami rynkowymi. Praca z systemami CI/CD oraz udział w code review, wraz z proponowaniem usprawnień w procesach wytwórczych. Praca w zespole Scrum oraz ścisła współpraca z PO, SM, analitykami biznesowymi, architektami i testerami. Aktywne uczestnictwo w rozwoju produktu – zarówno od strony technicznej, jak i biznesowej. Dzielenie się wiedzą i wspieranie rozwoju kompetencji w zespole. Projektowanie i rozwój mikroserwisów w technologii Java. 🔍 CZEGO OCZEKUJEMY OD CIEBIE? Minimum 3 lata doświadczenia w programowaniu w Java 11+ oraz bardzo dobra znajomość Spring Boot (tworzenie REST API i aplikacji webowych). Doświadczenie z Git , CI/CD (GitHub Actions) oraz środowiskiem chmurowym AWS ( ECS, Kubernetes, Terraform ) i integracją z zewnętrznymi API . Znajomość architektury heksagonalnej oraz narzędzi do migracji baz danych ( Flyway ). Doświadczenie w pracy z bazami danych: PostgreSQL oraz MongoDB . Praktyczna znajomość testowania z wykorzystaniem Spock/JUnit. Praca hybrydowa - Warszawa (biuro 2x w tygodniu). Język angielski - C1. Mile widziane: Znajomość wzorców architektonicznych (np. architektura heksagonalna, Ports & Adapters). Znajomość Dockera lub innych narzędzi konteneryzacji. ✨ OFERUJEMY: 🤖 Nowoczesny proces rekrutacji z AI Rekruterem (AIR) – podczas aplikacji możesz odbyć rozmowę z wirtualnym rekruterem 24/7, bez czekania na telefon, z natychmiastowym feedbackiem i możliwością powtórzenia rozmowy (liczy się ostatnia wersja). Finalną decyzję zawsze podejmuje Rekruter Connectis. Uczestnictwo w spotkaniach integracyjnych oraz meetupach technologicznych, umożliwiających dzielenie się wiedzą i doświadczeniem. Wsparcie dedykowanej osoby kontaktowej z Connectis, dostępnej w celu pomocy w sprawach związanych z projektem. Rozwój kariery i długofalową współpracę w firmie o ugruntowanej pozycji na rynku. 5000 PLN za polecenie znajomych do naszych projektów. Praca hybrydowa - Warszawa (biuro 2x w tygodniu). Dostęp do najnowszych technologii i narzędzi pracy. Szybki i zdalny proces. Dziękujemy za wszystkie zgłoszenia. Pragniemy poinformować, że skontaktujemy się z wybranymi osobami. 12842/KD

🏢 Summary: Offer for an experienced Java Developer to build and maintain scalable e-trading applications, contribute to system architecture, and implement new technical solutions. The role involves performance optimization, troubleshooting, and working with modern microservices and cloud-based environments. You will collaborate with engineers on advanced, high-impact software projects. 🗂️ Requirements: Minimum 5 years commercial experience in Java, Hands-on experience with Hibernate, Hands-on experience with Spring, Experience building REST APIs, Experience with Microservices architecture, Experience with Web Services, Practical knowledge of Maven, Experience with Kafka or other message queues, Experience with GCP or other cloud platforms, Good knowledge of SQL, Experience with Docker, Experience with Kubernetes, Experience with Helm 📃 Skills: Java, Hibernate, Spring, REST, Microservices, WebServices, Maven, Kafka, GCP, SQL, Docker, Kubernetes, Helm 🏢 Description: Szukasz pracy jako Java Developer? Dołącz do prestiżowych projektów, w których tworzone jest najbardziej innowacyjne oprogramowanie. Będziesz rozwijać i utrzymywać aplikacje e-tradingowe, wdrażać nowe rozwiązania i ściśle współpracować z innymi inżynierami. Twoje zadania Tworzenie zaawansowanych i skalowalnych aplikacji przy użyciu języka programowania Java Analizowanie i rozwiązywanie błędów, a także optymalizacja wydajności aplikacji Udział w projektowaniu architektury systemu i podejmowanie decyzji technicznych Zapewnianie wsparcia i mentoringu mniej doświadczonym członkom zespołu Tworzenie i aktualizowanie dokumentacji technicznej i projektowej Wymagania Minimum 5 lat komercyjnego doświadczenia w programowaniu w języku Java Praktyczne doświadczenie z Hibernate, Spring, REST API, Microservices i Web Services Praktyczna znajomość Maven Biegła znajomość kolejek komunikatów, w tym Kafka Znajomość rozwiązań chmurowych, najlepiej GCP Dobra znajomość języka SQL Doświadczenie z narzędziami do orkiestracji chmury, takimi jak Docker, Kubernetes i Helm Doskonała znajomość języka angielskiego w mowie i piśmie Biegła znajomość języka polskiego Wymagane miejsce zamieszkania w Polsce Benefity, które czekają na Ciebie: Tytuł Great Place to Work od 2015 roku - to dzięki opiniom pracowników otrzymujemy tytuł i wdrażamy nowe pomysły Stabilność zatrudnienia - 2,1 MLD PLN przychodu, brak długów, od 2006 roku na rynku Dzielimy się zyskiem z pracownikami - od 2022 roku przeznaczyliśmy na ten cel już ponad 76 milionów PLN Bogaty pakiet benefitów - prywatna opieka zdrowotna, platforma kafeteryjna, zniżki na samochody i więcej Komfortowe miejsce pracy - pracuj w naszych biurach klasy A lub zdalnie Dziesiątki fascynujących projektów dla prestiżowych marek z całego świata 1 000 000 PLN rocznie na Twoje pomysły - taką kwotą wspieramy pasje i akcje wolontariackie naszych pracowników Stawiamy na Twój rozwój - meetupy, webinary, platforma szkoleniowa i blog technologiczny – Ty wybierasz Fantastyczna atmosfera stworzona przez wszystkich Sii Power People Dołącz do zespołu Sii – rozwijaj umiejętności, zdobywaj doświadczenie i buduj karierę!

🏢 Summary: Senior Java Developer role focused on building and optimizing ultra-low-latency, high-performance trading systems. The position involves developing core server-side components, enhancing scalability, and driving cloud transformation within a financial trading platform. Work includes performance tuning, microservices development, and system optimization in a production trading environment. 🗂️ Requirements: 3+ years Java development experience (Java 8/11), Strong Core Java knowledge, Experience with J2EE architecture, Understanding of OOP principles, Knowledge of JVM and JNI, Experience with Maven, Advanced multithreading and concurrency, Asynchronous programming, Shared memory concepts, Garbage Collection optimization, Memory management, Experience with microservices architecture, REST API development, Performance tuning and benchmarking, Capacity testing, Knowledge of data structures and complexity analysis, Hands-on experience with IntelliJ IDEA, Experience in financial services or trading systems, Working knowledge of Agile/Scrum, Understanding of CI/CD practices 📃 Skills: Java, J2EE, JVM, JNI, Maven, Multithreading, Concurrency, Asynchronous, HashMap, Microservices, REST, GarbageCollection, MemoryManagement, Benchmarking, IntelliJ, Agile, Scrum, CI/CD, DataStructures 🏢 Description: We are looking for a Senior-level Java Developer to work on server-side development for a high-performance trading platform. You'll be responsible for building, optimizing, and enhancing core application logic focused on ultra-low-latency processing and seamless scalability. The project involves transforming financial information systems to modern cloud-based architecture while maintaining the highest standards of performance and reliability. Our Client is a leading global financial markets company specializing in derivatives trading and market infrastructure, operating one of the world's largest and most diverse derivatives marketplaces. This position offers remote work within Poland and work in the US Central Time (2 pm-10 pm). Ready to launch your career in cloud engineering? Apply now and join our global team! Responsibilities Design and develop robust Java applications using Core Java (8/11) with J2EE Architecture Build and maintain a microservices architecture with REST APIs Conduct performance tuning through benchmarking and capacity testing to identify system bottlenecks Optimize applications for high throughput by managing memory allocation and Java runtime options Minimize Garbage Collection impact and develop resource-efficient code Monitor and optimize system performance, including memory utilization, CPU usage, disk I/O, and system load Participate in code reviews and ensure adherence to development best practices Collaborate with cross-functional teams in an Agile/Scrum environment Support Google Cloud Platform transformation initiatives Solve complex technical problems creatively and communicate solutions effectively Provide L3 technical support for system components when required Lead and mentor team members to achieve critical project objectives Requirements Minimum 3+ years of hands-on Java development experience (Java 8 or 11) Strong understanding of Java core concepts: OOP, JVM, JNI, Maven Proficiency in advanced Java features: Multithreading, HashMap, Asynchronous programming, Concurrency, Shared memory Experience with Garbage Collection optimization and memory management Hands-on experience with IntelliJ IDEA development environment Deep knowledge of data structures and their performance characteristics (time and space complexity) Proven experience in financial services or trading desk environments Working knowledge of Agile/Scrum methodologies and CI/CD practices Strong analytical and problem-solving skills Ability to adapt quickly to dynamic work environments and make independent decisions Self-motivated individual who thrives in fast-paced, challenging environments Comfortable working both independently and as part of collaborative teams Excellent verbal and written communication skills in English (B2+ level) Strong team collaboration and interpersonal skills Nice to have Experience with Google Cloud Platform (GCP) Knowledge of containerization technologies, including Docker and Docker Swarm Manager Familiarity with the Kubernetes orchestration platform Experience with Jenkins for continuous integration and deployment Knowledge of Ansible for configuration management and automation Understanding of cloud-native development practices Experience with performance monitoring and observability tools We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: The offer is for a Java Developer responsible for designing and building scalable backend systems and microservices for international clients. The role involves developing Java-based applications, ensuring high code quality, and contributing to technical improvements within a hybrid work model. 🗂️ Requirements: Minimum 5 years of experience with Java, Hands-on experience with Spring Framework, Experience with Hibernate, Understanding of microservice architecture 📃 Skills: Java, Spring, Hibernate, Microservices 🏢 Description: Join Sii and play a key role in delivering solutions for international clients. As a Java Developer, you will design and build scalable backend systems, develop microservices, and ensure high-quality code. You will collaborate with cross-functional teams and support strategic technology initiatives across the organization. We are looking for candidates who are open to working in a hybrid model (2 days at the office). Your tasks Design, develop, and maintain Java-based backend applications Build and evolve microservice architectures Collaborate with product owners, architects, and QA teams Ensure code quality through reviews, testing, and best practices Actively contribute to technical improvements and innovations Requirements At least 5 years of experience with Java Hands-on knowledge of Spring Framework Experience with Hibernate Understanding of microservice architecture Proactive mindset, good communication, and teamwork skills A very good level of English is required Nice-to-have requirements Experience with cloud platforms What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!