Praca dla java backend engineer w Warszawa

About hyperexponential (hx)At hyperexponential, we're building the AI-powered platform that enables the world’s most critical decisions in a $7 trillion industry - which risks to take, and how to price them. These are the decisions that shape real-world outcomes: whether rockets successfully launch into space, autonomous vehicles make it to market, or...

ISS Tech Team in Warsaw, Poland, is seeking a Senior Software Engineer to join our Software Development team. You’ll own solutions that operate at enterprise scale, collaborate with business stakeholders, and influence products used by hundreds of thousands of people.You’ll work with modern cloud platforms, AI-powered technologies, Java and Spring, React...

Allegro sp. z o.o. in Warsaw is seeking backend engineers proficient in Kotlin and Python to build robust services and scale data infrastructure.You will work with MongoDB, optimize migrations, and contribute to AI-enabled features across the platform, collaborating with linguists and researchers to deliver high-impact translations. Join a growing team in a...

SimCorp is seeking a Senior Engineer to contribute to the Private Debt module, primarily working with APL today and expanding C#/.NET work over time. You will mentor peers, design backend systems and ensure quality with automated testing, CI/CD, and robust architectural patterns.Ideal candidates have strong object-oriented design skills, experience in APIs...

Principal Software Engineer, Fullstack/Backend Technologies (Poland Remote) Full-time When you join Turnitin, you'll be welcomed into a company that is a recognized innovator in the global education space. For more than 25 years, Turnitin has partnered with educational institutions to promote honesty, consistency, and fairness across all subject areas and...

At HelloFresh, the goal is to change the way people eat forever by delivering high-quality food across 18 countries and 3 continents. As a global food solutions group and the world's leading meal kit provider, the portfolio includes HelloFresh, Green Chef, EveryPlate, Chefs Plate, Factor_, and Youfoodz. Engaging with HelloFresh in Warsaw means collaborating...

Tech stack you’ll work with(If you haven’t touched every tool yet, no worries — we’ll get you up to speed.)Your mission and responsibilitiesMid Backend Software EngineerImplement new micro-services and extend existing ones in Go.Help groom user-story requirements and surface performance / scaling concerns early.Write unit, integration and API tests;...

GitLab Inc. is seeking a Senior Backend Engineer for the Plan: Spec-Driven Development team. You’ll own backend work across flows, APIs, data models, and evaluation systems using Ruby on Rails, Python, PostgreSQL, and related AI tooling.Join a small, distributed team with high-visibility bets, contributing to major features from conception to release,...

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure...

Readdle is a pioneering force in the personal productivity space on Apple devices, having shaped the landscape since 2007. Our mission is to empower individuals and teams with innovative technology, enhancing their efficiency and creativity. We are dedicated to crafting exceptional mobile and desktop experiences for those who aspire to achieve more. The...

Google Warsaw, Poland is seeking a mid-level software engineer to contribute to backend systems, APIs and data infrastructure. You will design, develop, test, and deploy software solutions, mentor juniors, participate in design reviews, and ensure code quality across projects.The role emphasizes growth, collaboration across teams, and scalable platforms in a...

Okta seeks an independent Staff Software Engineer to balance technical excellence with disciplined software delivery. You will design AI-powered customer experiences by integrating Salesforce CRM with AWS, and lead complex initiatives across architecture, security, and scalability.You will mentor engineers, drive CI/CD, and advance AI/ML tooling across the...

Addepar is seeking a backend software engineer to join their Portfolio Services team in Warsaw, Poland. In this role, you will develop resilient distributed services and tools to enhance product operations. The ideal candidate is proficient in server-side OO languages such as Java, has experience with Linux, and enjoys solving complex problems. Addepar...

OverviewHelprise is an organization that combines global reach with local talent. We work for companies that value quality, partnership, and responsibility, creating teams that really work. By precisely matching skills and business needs, we connect specialists with projects where their knowledge has a real impact. By joining us, you become part of an...

On behalf of FinTech Client #3, SD Solutions is looking for a talented Backend Engineer. As a Backend Engineer, you will design, develop, and maintain robust server-side systems that power our financial technology products. You will focus on building scalable, secure, and high-performance backend services, handling critical data processing, API development,...

SD Solutions is seeking a talented Backend Engineer to design and maintain robust server-side systems for financial technology products. In this role, you will build scalable and high-performance backend services, collaborating with cross-functional teams to deliver reliable solutions.The ideal candidate should have over 10 years of experience in backend...

About The Role You will be a part of the platform domain which is the foundation of LeoVegas. Contributing to build the best solutions possible to create the best iGaming experience. You will be involved in building tooling for the developer pipeline delivering more streamlined and secure flows. About The Role You will be a part of the platform domain which...

ABOUT THE ROLE Are you an experienced backend developer with a curious mindset? Do you have a passion for building intuitive, cutting-edge solutions with state-of-the-art technology? At LeoVegas, we’re on a mission to deliver the greatest iGaming experience to our customers and technology is at the heart of making that happen. As part of our Retention...

WYMAGANE KOMPETENCJE: Silna, potwierdzona komercyjnie znajomość Java 21 oraz Spring Boot 3.x. Samodzielne projektowanie REST API / OpenAPI oraz realizacja integracji między systemami. Praktyczna znajomość Spring Security, OAuth2 i JWT. Doświadczenie w pracy z MongoDB lub inną bazą NoSQL. Dyscyplina testowa: samodzielne tworzenie testów jednostkowych...

Kompetencje wymagane do realizacji usług: minimum 5 lat doświadczenia komercyjnego w programowaniu w języku Java, praktyczna znajomość Java 21 lub nowszej, bardzo dobra znajomość frameworka Spring Boot, doświadczenie w projektowaniu i implementacji rozwiązań opartych o architekturę heksagonalną, doświadczenie w tworzeniu i integracji usług REST...