backend developer

Société Générale in Warsaw invites a Senior Java Backend Developer to build and maintain backend solutions for structured finance applications, liquidity calculations and regulatory reporting. You will contribute to the development and maintenance of information systems used by Corporate and Investment Banking.The role collaborates with business users,...

Tickmill is hiring a Backend Developer (.NET) in Warsaw. You will design, develop and support backend services with a focus on integrations.You’ll improve quality through automated tests and code reviews, collaborate across teams, and identify bottlenecks to fix bugs while maintaining code quality and automation. The role requires a degree in CS or related...

Exavalu Solutions India Pvt Ltd is a US-based consulting firm delivering digital transformation advisory and solution delivery. This remote Backend Developer role focuses on building scalable microservices and RESTful APIs using C#, .NET, SQL, and AWS.You will collaborate with architecture, product, data engineering, and governance teams to deliver secure,...

Luxoft is initiating a project to build an AI-driven solution for investment insights, enabling faster client meeting prep and higher quality outputs. The team collaborates with business stakeholders and architects to shape requirements, while delivering robust backend services and API-based integrations.The role emphasizes strong Python backend development,...

Solid Company sp. z o.o. in Kraków is seeking a Senior Java Developer to join a high-performance backend team building large-scale systems for travel and transportation.You will design, implement, and optimize services and APIs powering mission-critical applications used by millions of users worldwide. The role requires 7+ years in backend Java development,...

Jit Team is seeking a Java Developer in Poland to design, build and maintain core services for advertising campaign management. You will work on scalable backend systems, ensuring integration with multiple services and data stores.You will collaborate with product owners, data teams, and frontend and billing domains in a distributed, cloud‑based...

Reply Group is looking for a Senior Backend Developer in Katowice, Poland. You will lead backend development for a cloud-native microservices platform and manage AWS infrastructure. Ideal candidates have 4+ years in software development and experience with AWS and microservices.Benefits include medical care, training opportunities, and a flexible benefits...

Magentateam is seeking a Senior Fullstack Developer with a backend-first focus to own the core CMP Integration Layer, building MNO translation adapters and maintaining API contracts. You will also contribute to a React management dashboard as a secondary focus within a greenfield environment.You will design scalable backend services, manage CI/CD pipelines,...

IN Groupe in Łódź, Poland is seeking a Backend Java Developer to join a dedicated team focused on secure, scalable backend services for digital identity infrastructure. You will develop high-quality Java components and collaborate in a Scrum environment with architects, testers, and stakeholders for the MitID platform.The ideal candidate has extensive...

Jako firma rekrutacyjna jesteśmy świadomi, że każdy solidny biznes napędzają ludzie z odpowiednio dopasowanymi kompetencjami. Nasz styl zarządzania i partnerskie podejście pozwalają nam na elastyczne dostosowanie się do Twoich potrzeb i zapewniają pełne wsparcie podczas współpracy. W związku z ciągłym rozwojem i dużą liczbą projektów...

A leading software house in Cracow is looking for a skilled backend PHP developer who is also comfortable with frontend technologies, specifically ReactJS. The role offers flexible working hours and the possibility for remote work. Successful candidates will have a strong background in PHP and a commitment to writing clean, maintainable code. Benefits...

A tech company in Katowice seeks an experienced backend developer to lead the development of a new platform using Elixir. You'll be responsible for migrating functionalities from an existing SSR app built with Remix.js, TypeScript, and Prisma. Strong Elixir experience is essential while familiarity with financial services is advantageous. This role offers a...

Valora Outcomes is seeking a Senior Java Software Developer to own backend systems in a distributed, production-grade environment. You will design and implement Java-based services, microservices, and streaming solutions, collaborating with cross-location teams across Warsaw and EU remote setups.The role emphasizes ownership, reliability and high-quality...

Luxoft Poland is seeking a senior Java backend developer to join the CASP-oriented cloud modernization project in Kraków. You will build and maintain cloud-native microservices in a Spring Boot/Java 11+ stack on Azure, with AKS orchestration and Terraform IaC.Work involves designing REST APIs, data access, CI/CD, and observability, while ensuring security,...

B3 Consulting Poland is hiring a Python Backend Developer for a greenfield banking project in Poland. You will build high-performance backends in Python and PostgreSQL to process massive financial datasets, contributing to data integrity and scalable solutions.You will design, test, and optimize data pipelines, gaining exposure to modern data technologies...

Emporix in Poland is hiring a Java Developer to build secure, scalable backend systems. You will work on microservices, AI agent workflows, and cloud deployments with GCP and Kubernetes.The role supports hybrid work from Gliwice or remote in Poland, with monthly office visits to meet the team. You will design scalable APIs, implement real-time pipelines, and...

thyssenkrupp Group Services Gdańsk Sp. z o.o. is seeking a senior Java developer to build backend solutions using Java 11+ and Java EE, and to maintain our MES bridging SAP with local plant controls across multiple sites.You will deliver new features within Scrum and Kanban, ensure code quality through reviews and automated tests, and work with a modern...

Sii Poland is seeking a Senior .NET Developer to join our agile in-house team. You will deliver long-term C#/.NET backend solutions for industrial systems, focusing on collaboration, CI/CD practices, and integration with industrial protocols.Remote role based in Poland. You will work with Azure DevOps and Git in a fast-paced environment, delivering robust...

A leading consulting firm in Poland is seeking a Senior Backend Developer to support and lead technological initiatives. The role involves designing and maintaining backend systems, mentoring junior developers, and applying best practices in software development. Candidates should have extensive experience in backend development within financial services and...

Industry: Technology solutions - consumer electronics, software, streaming Client: global enterprise, Swedish entity Work model: full time, hybrid 3 days/week on-site fromKrakow (Equal Business Park) office Project language: English Onboarding: 3 days in Malmo, Sweden Start: ASAP or 1 week notice ideally / at latest start 27th July 2026 Assignment type: B2B...