staff java backend developer

SD Solutions is looking for a talented Senior Full-Stack Developer to lead the end-to-end development process for a large-scale advertising technology platform. In this role, you will design and implement backend services using Java (Spring Boot), build modern frontend applications with Angular (15+), and ensure robust system architectures.The ideal...

Description Netguru is a trusted partner in digital commerce. The company helps leading brands modernize B2B solutions, marketplaces, and retail ecosystems. Since 2008, it has empowered businesses with cutting-edge technology, AI-powered personalization, and world-class engineering and design teams. A certified B Corporation®, Netguru is trusted by major...

Do spółki technologicznej należącej do międzynarodowej grupy dm poszukujemy podwykonawcy do współpracy jako: Fullstack Developer z j. niemieckim - Payments, Cards and Mobile (B2B) dmTECH to ponad 1 400 ekspertek i ekspertów z różnych obszarów technologicznych, którzy każdego dnia tworzą, utrzymują i rozwijają rozwiązania retailTECH dla...

TechnipFMC is seeking an experienced Full-Stack Developer to design, develop, and maintain backend and frontend applications in a dynamic energy tech environment. You will work with Java, Kotlin, React, and PostgreSQL while deploying to AWS and building robust CI/CD pipelines.The role requires 6+ years in full-stack development, familiarity with testing...

ipracujzdalnie.pl is seeking a skilled Fullstack Mobile Developer (Kotlin) to join our team. You will build mobile apps, shared logic with Kotlin Multiplatform, and backend services with Java/Spring Boot.You will collaborate with Product, Design, Architecture, Security, and Platform teams; remote-friendly with a strong emphasis on quality, learning, and...

Addepar is seeking a Platform Services Engineer to help accelerate platform scalability and global expansion. You will work at the intersection of application, infrastructure, and operations teams to promote developer velocity and automation, delivering high-impact solutions for distributed services.Ideal candidates have backend software engineering...

Nordea is seeking an Expert Java Developer / Solution Designer in Warsaw, Poland to design and build modern backend solutions using Java and Spring Boot. This full-time role involves collaborating with business stakeholders, taking ownership of solution design, and leveraging AI to improve software development.The ideal candidate should have strong Java...

Xebia Group in Poland is seeking a software developer with 3+ years of experience to work across backend and frontend using Java, Kotlin, React, and REST APIs.You will develop and enhance microservices, design APIs, build web components, and integrate with external partners, while using AI-powered tools to improve productivity. Occasional Warsaw office...

Senior / Lead Full Stack Developer (Java & Angular) Are you an elite engineer looking for your next big challenge? Keep reading. About the Client Our client is a global technology powerhouse with a robust team of over 1,000 top-tier specialists across Europe. They are a market leader in vehicle leasing and fleet management digital solutions. As part of their...

GFT Technologies Poland seeks a skilled Android Developer to design and build modern Android applications using Kotlin and Java in a fast-paced, collaborative setting. You will integrate apps with backend services and contribute to secure, scalable software used by millions of users.You will work with Android Studio, MVVM, and modern architecture, ensuring...

JetBrains in Warszawa, Poland is seeking a Software Developer for the RustRover team. You will own the RustRover debugger state, driving development across the C++ backend (LLDB or GDB) and the IntelliJ-based Java/Kotlin client.Collaborate with a flat, cross-functional team of developers, QA specialists, and support engineers to improve debugging for Rust...

GFT Technologies Poland is seeking an Android Developer to design and develop modern Android solutions for one of Poland's leading mobile banking apps. You will work with Kotlin/Java, integrate with backend services, and focus on secure, scalable software used by millions.This role requires 3+ years of Android experience, strong knowledge of Android SDK,...

Why Altium 365 Software Engineering?Build the cloud platform that’s transforming electronics design. Altium 365 for cloud lets design engineers communicate, collaborate and bring their ideas to market more efficiently than any platform in the industry. These are some of the R&D Software Engineering contributions you might make to Altium 365:Building new...

About CaptivateIQCaptivateIQ is the leading Sales Performance Management platform, helping enterprises design, manage, and optimize their incentive compensation programs. Backed by Sequoia, Accel, and Y Combinator, we're expanding from commission management into sales planning and enterprise performance management—all domains ripe for AI innovation.About...

We are looking for a Flutter Developer to join our Team Your Future Tasks Develop and maintain mobile application using Flutter and Dart. Write and maintain unit, integration, and end-to-end tests to ensure product quality. Optimize performance and implement best practices for UX/UI. Work with REST APIs, third-party SDKs, and native Android code...

A dynamic IT solutions provider is seeking an experienced Full Stack Developer with a strong backend focus. The role involves developing an issuance monitoring application and a financial platform. Responsibilities include collaborating with stakeholders, system design, and ensuring application quality. The ideal candidate will have over 5 years of...

About SpotOn We’re not just building restaurant tech, we’re giving independent restaurants the tools to compete and win. From our award‑winning point‑of‑sale to AI‑powered profit tools, everything we do helps operators boost profit, work smarter, and keep their best people. And every solution is backed by real humans who actually give a sh*t...

Virtus Lab sp. z o.o. (Ltd.) is seeking a Senior/Staff JVM Tooling Engineer in Kielce, Poland. The ideal candidate will have advanced skills in Scala or Java and experience with AI-assisted development. Responsibilities include building complex software systems, working collaboratively with external teams, and improving developer tooling. Join a friendly...

We’re not just building restaurant tech—we’re giving independent restaurants the tools to compete and win. From our award-winning point-of-sale to AI-powered profit tools, everything we do helps operators boost profit, work smarter, and keep their best people. And every solution is backed by real humans who actually give a sh*t about helping...

Software Engineer 1 (Java / Kotlin) - Allegro AdsLocation: Poznań, PL, 61-569Team: TechnologyContract Type: EmployeeAbout the jobMassive Scale: Design, build, and optimize systems that handle thousands of requests per minute. This is high-availability, high-performance engineering in practice.Modern Tech Stack: Work with a world‑class, cloud-native...