backend developer

Senior Java Backend Engineer Location: LODZ Annual Salary: max. 181,000 gross Responsibilities Responsible for high/low level design as per the assigned feature. Responsible for technical code delivery to a specific Ignite customer from inception through completion. Responsible to interface with internal/external leads. Responsible for the peer code...

Sii Poland is hiring a backend developer with Kotlin to design, build, and maintain microservices powering a modern fintech platform in Katowice. You will work with cross-functional teams to deliver scalable solutions and ensure reliability and performance across the system.Candidates should have 3+ years of experience in software development, hands‑on...

A leading tech solutions provider in Wrocław is looking for a BACKEND DEVELOPER to join their dynamic team. You will work on innovative projects using the latest technologies such as Python, AWS, and various databases. The ideal candidate will have strong programming skills and experience in microservices architecture. Benefits include flexible working...

Ox Security secures the AI-driven SDLC from prompt to production. We eliminate critical, real-time risks from AI code generation through cloud runtime by doing what conventional tools can’t: unifying development and cloud context to stop vulnerabilities right at the source. At OX, we’re building the future of cybersecurity for the AI era. If you’re...

We bring startups and disruptive tech companies to the local market, offering engineers the opportunity to work on innovative, high-impact products. Join us and become a member of their R&D team while we take care of employment, HR support, a benefits package, and an enjoyable work environment. We’re building a local Polish team for a company in the...

Talanto in Warszawa is seeking a Backend Developer to join our Customs Technology Team. You will design, develop and maintain backend services using Kotlin, build integrations, and deliver REST APIs in a cloud-based environment.You will collaborate with Product Owners, Architects and QA, optimize performance, and contribute to scalable distributed systems...

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...

About CoW DAO CoW DAO is on a mission to protect Ethereum users from MEV and optimize trade execution across DeFi. We achieve this through the CoW Protocol, CoW Swap (a leading intent-based DEX aggregator), and the innovative MEV Blocker, which together help secure, aggregate, and route trades for optimal outcomes. We also fund values-aligned projects via...

We are seeking an experienced Senior Java EE Developer to join our consulting team for a high-impact modernization and upgrade project within a mission-critical banking system. The role focuses on upgrading and stabilizing an existing Java Enterprise (Java EE / JEE) application, including components based on Enterprise JavaBeans (EJB), application servers,...

DSV Road GmbH in Warszawa is seeking a Backend Developer specializing in Kotlin to join the Customs Technology Team. You will design, build, and maintain backend applications that power customs operations across a global logistics network.You will develop scalable integrations, REST APIs, and cloud-based solutions, work with SQL databases, and collaborate...

Jobtome is hiring a Senior Go Backend Developer to own critical backend systems. You will design, build, and evolve backend services powering our products, and you’ll influence architectural decisions to improve reliability and performance.This is a hands-on role focused on production Go and end-to-end feature ownership. You’ll work remotely from...

SwissBorg is seeking an exceptional Backend Developer to design and implement backend services in the trading domain. The ideal candidate has over 5 years of production backend experience, strong TypeScript skills, and familiarity with trading systems. Responsibilities include owning features from schema to UI integration, and writing integration tests....

Accenture Poland is hiring a Java Backend Developer to design, develop, and maintain backend services using Java 17+ with Spring Framework and Spring Boot 3.x. You will work on Nasdaq Calypso-based financial systems, integrate messaging platforms, and optimize database queries.You will implement tests with JUnit and follow secure coding practices. The role...

🟦Join us in Luxoft! (opportunity for PL based candidates ) 💰 Paid Referrals 💻Equipment 🩺Private Medical & Dental care & Life Insurance (covered by us on Employment contract ) 🏋🏽 MyBenefit program (sports card, well-being program etc.) (covered by us on Employment contract ) 🌎 Internal Mobility program - possibility of rotation between...

  We are seeking a skilled and motivated Backend Engineer to join our IoT Platform team. This role is critical to delivering the new initiatives, focusing on scalable backend services that support our connected devices and data-driven operations     Your Day to Day   • Work closely with architects to translate solution designs into scalable and...

Altium Limited, part of the Renesas Group, is seeking a Senior Backend Developer to build and maintain cloud-native backend services for the Altium 365 platform. You’ll work with Java and .NET Core in a multi-tenant AWS-based environment, contributing to scalable architectures and data-driven features.Join a collaborative R&D team to design and implement...

Location: Preferably in Vienna but open to have someone remote in Austria or in PolandExperience: Over 5 years of experience in backend development using Golang and other OOP languages, you will contribute to our SaaS platform, managing the full software lifecycleContract: No freelancing, full timeWho We AreMillions of people interact with fiskaly every day,...

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...

Key technical requirements ∙Python Proficiency: Strong proficiency in Python, including writing clean, type-hinted, scalable, and testable code. Strong focus on code quality, maintainability, and engineering best practices. ∙Backend And Data Pipelines Development: Proficiency to develop REST applications with FastAPI. Experience with databases (e.g....

JavaSpringHibernateSQLAngielskiStrong experience in Java 21 and Java-based application developmentHands-on experience with Spring Boot and related Java frameworksProven experience with relational databases and PostgreSQL SQLPractical experience with messaging technologies such as JMS, MQ, or similar protocolsStrong proficiency in Java frameworks including...