backend developer

Sii Sp. z o.o. in Szczecin is looking for a Regular Kotlin Developer (f/m/x) to design, build and maintain microservices using Kotlin within a fintech platform that supports company expense management. You will work on backend systems and collaborate with Platform, Services, SMB and other domains.The role requires hands-on Kotlin experience, cloud...

Nango is seeking a Staff Backend Engineer (Remote) to help scale our AI infrastructure and connect agents to 900+ APIs. You will design, build, and optimize backend services that power platform integrations and developer workflows.This fully remote role offers a fast-growing environment with a seasoned team; Nango emphasizes scalable architecture,...

CDQ AG & CDQ GmbH in Wrocław is looking for an experienced Java Developer passionate about creating high-quality, maintainable code. The role involves designing AI agents, integrating AI capabilities, and contributing to scalable architectures.The ideal candidate has at least 3 years of backend development experience with Java, along with proficiency in...

A logistics technology company in Kraków is seeking a Senior Backend Developer skilled in Node.js and TypeScript to join their innovative team. This position involves developing high-performance backend services and APIs for a logistics platform, requiring strong problem-solving abilities and excellent communication skills. The role offers a flexible hybrid...

OX Security is securing the AI-driven SDLC from prompt to production. We’re building the next generation of security technology for a world where AI is changing how software is built, deployed, and attacked.We’re looking for a sharp, experienced Backend Engineer to join our global Experience Edge team, in a fully remote role. This team owns where the OX...

Cloudinary is the media experience platform trusted by millions of developers and thousands of companies — from fast-growing startups to the world's largest brands — to power the images and video behind their digital experiences.Something fundamental is changing about who uses that platform. Increasingly, the \"developer\" calling our APIs isn't a person...

Cloudinary is the media experience platform trusted by millions of developers and thousands of companies — from fast-growing startups to the world's largest brands — to power the images and video behind their digital experiences.Something fundamental is changing about who uses that platform. Increasingly, the "developer" calling our APIs isn't a person...

DCG Poland is expanding its backend team in Warsaw and seeks a senior Java developer to shape scalable microservices in the payments domain.You will collaborate in a Scrum team, work with Java, Spring Framework, Spring Boot, and modern databases, while ensuring high availability and throughput.Fluency in English is required; knowledge of Kafka, Docker, and...

Nordea is seeking a Backend Developer for the Savings and Investment Product & Retail Order Management Technology Service Domain. You will design, develop and maintain Java applications supporting our savings and investments products, and build robust calculation engines ensuring tax compliance across multiple countries.You will participate in the full...

A software house in Poland seeks a Ruby on Rails/Python Developer to join its innovative team. The role involves designing and maintaining backend applications, optimizing performance, and collaborating with project teams. Suitable candidates should have over 4 years of experience with Ruby on Rails and Python frameworks such as Django or Flask. We offer...

DCG Poland is looking for a skilled Java Backend Developer to join our client’s Fraud Management team. You will develop server-side applications, design solutions, and build near real-time data pipelines in a Scrum setting.You’ll work with Spring Boot, SOAP/REST Web Services, Kafka, and relational databases, ensure performance, and collaborate across...

Object First, now an independent business unit of Veeam, builds secure, simple, and powerful backup storage for Veeam customers, engineered with Absolute Immutability to deliver true ransomware-proof protection.We are seeking an AWS Backend Developer (JavaScript, Node.js) in Poland to join a fast-growing, innovative team. You will work on cloud-based fleet...

Capgemini is seeking a Python Backend Developer in Warsaw to join a team delivering AI-powered enterprise solutions. You will design and evolve backend services and APIs, integrating Generative AI capabilities, LLM APIs, and cloud-native components.You will collaborate with Cloud Engineers and Frontend teams to ensure secure, scalable, and observable...

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.You will work remotely from Poland with a dedicated team to create robust applications, enhance system integration,...

EPAM Systems' Financial Services Practice seeks a Senior Java Developer to join a world-class engineering team, delivering backend services and scalable APIs for a leading global investment bank.The role focuses on high-performance, data-intensive systems in a fast-paced financial environment, with collaboration across distributed teams and Agile Scrum.The...

emagine Polska recherche un Senior Backend Developer pour travailler au sein d’une Cash Team dans un cadre financier exigeant. Le poste est sur site uniquement avec présence minimum de 3 jours par semaine et démarrage ASAP.La mission dure 6 à 12 mois, renouvelable, avec un focus sur le développement backend, l’architecture de flux événementiels et...

Bonapolia is seeking a Senior Golang Developer to design, develop, and maintain backend services for a high-load fleet management platform used in ride-hailing across multiple countries.You will drive architecture, implement scalable Go services, and participate in code reviews, monitoring, and production maintenance. The role requires 5+ years of backend...

Infinity Quest is looking for a Java backend developer who will join the delivery development group. You will be responsible for designing, implementing, and integrating system components, collaborating closely with architects, developers, and the quality assurance team.The ideal candidate must have experience with Java server components, Spring Boot, and...

your Jared is seeking an experienced Backend Developer to join an international team delivering modern backend and AI-powered solutions. You will develop scalable backend applications using Python and FastAPI while working with AWS cloud services, ETL pipelines, Docker, and CI/CD practices.You will contribute to AI/LLM-based applications, including RAG...

airSlate is seeking a PHP Backend Developer for the US Legal Forms team to design, build, and maintain backend features and APIs using PHP/Laravel. You will bring an AI-forward approach to improve daily workflows and collaborate with cross-functional teams, including some React work, while upholding code quality and maintainability.The role requires 3+ years...