Last updated: 2025-08-02
15 Backend Software Engineering jobs in Warsaw.
CloudLinux
CloudLinux is a global remote-first company driven by principles that prioritize doing the right thing, employees first, and delivering high volume, low-cost L…
Warsaw
- Skills: Python, Go, Linux server administration, Network security, Automated testing, CI/CD systems, System programming, Technical documentation, Unit testing, Code review
- Level: mid
- Type: full_time
IDT
IDT is running a global payment service called IDTPay that supports all card and bank payments of B2B and B2C services as well as company applications.
Warsaw
- Skills: Golang, software engineer, payment service, B2B, B2C, PCI compliant, payment processors, Stripe, AWP, business development
- Level: mid
- Type: full_time
Uncapped
Founded in 2019 to fix startup funding gaps.
Warsaw
- Skills: Java 21, Spring Boot/Cloud, GCP, Kubernetes, microservices, CI/CD pipelines, financial systems, code quality, Kanban, automation
- Level: mid
- Type: full_time
Fresha
Fresha is the leading marketplace platform for beauty & wellness trusted by millions of consumers and businesses worldwide. Fresha is used by 120,000+ business…
Warsaw
- Skills: Ruby, Elixir, GraphQL, Typescript, Kubernetes, Microservices, Event-driven architecture, Kafka, SDLC, Domain-driven design
- Level: mid
- Type: full_time
Box
Box is the world’s leading Content Cloud, trusted by over 115K organizations, including nearly 70% of the Fortune 500, to protect data and empower critical wor…
Warsaw
- Skills: Scala, Backend, Microservices, AI, Cloud Computing, GCP, Kubernetes, RESTful APIs, CI/CD, Functional Programming
- Level: mid
- Type: full_time
Catalogic Software
Catalogic Software provides data protection and backup solutions, helping organizations safeguard and manage their data across various environments.
Warsaw
- Skills: C/C++, Java, Spring Boot, microservices, REST APIs, CI/CD, Docker, JNI, OOP, performance optimization
- Level: mid
- Type: full_time
Box
Box is the world’s leading Content Cloud. We are trusted by more than 115K organizations around the world today, including nearly 70% of the Fortune 500 and le…
Warsaw
- Skills: Backend Software Engineer, Kubernetes, Docker, BigTable, Elasticsearch, Spark, Java, PHP, microservices, Google Cloud Platform
- Level: mid
- Type: full_time
IDT
IDT is looking for an experienced Senior Golang Software Engineer to join the team running a global payment service for all IDT divisions.
Warsaw
- Skills: Golang, Software Engineering, Payment Systems, B2B Services, B2C Services, PCI Compliance, Payment Processors, Stripe, AWP, Technical Development
- Level: mid
- Type: full_time
Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one …
Warsaw
- Skills: software development, programming languages, distributed systems, large-scale infrastructure, data structures, software design, hardware architecture, artificial intelligence, networking, cloud services
- Level: mid
- Type: full_time
Box
Box is the market leader for Cloud Content Management. Our mission is to power how the world works together. Box is partnering with enterprise organizations to…
Warsaw
- Skills: Cloud Content Management, distributed systems, Java, Scala, Google Cloud Platform, Kubernetes Engine, Pub/Sub, Bigtable, Redis, CI/CD
- Level: mid
- Type: full_time
Google's software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one …
Warsaw
- Skills: software development, programming languages, data structures, algorithms, accessible technologies, distributed computing, large-scale system design, networking, data storage, artificial intelligence
- Level: mid
- Type: full_time
ING
ING is a global bank with a strong European base. More than 60,000 colleagues serve around 38 million customers and corporate clients in over 40 countries.
Warsaw
- Skills: Go, API development, CI/CD, Red Hat, OpenShift, Terraform, system design, Terraform, Docker, Kubernetes
- Level: mid
- Type: full_time
Meta
Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Ap…
Warsaw
- Skills: Python, Javascript, PHP, Hack, large-scale infrastructure applications, code reviews, efficiency, scalability, system resources, architectural patterns
- Level: senior
- Type: full_time
Capgemini
Capgemini is a global leader in partnering with companies to transform and manage their business by harnessing the power of technology. The Group is guided eve…
Warsaw
- Skills: Python, FastAPI, microservices, Docker, Agile, OOP, Pandas, SQLAlchemy, Celery, gRPC
- Level: mid
- Type: full_time
Capgemini Engineering
Capgemini is a global leader in partnering with companies to transform and manage their business by harnessing the power of technology. The Group is guided eve…
Warsaw
- Skills: Java, Kotlin, microservices, Kubernetes, APIs, GraphQL, distributed systems, high volume data pipelines, end-to-end development, team collaboration
- Level: mid
- Type: full_time
capital.com
We are a leading trading platform that is ambitiously expanding to the four corners of the globe. Our top-rated products have won prestigious industry awards f…
Warsaw
- Skills: Python, FastAPI, AWS, ECS, Lambda, PostgreSQL, Amazon Redshift, Apache Airflow, event-driven architectures, microservices
- Level: mid
- Type: full_time
Invisible Technologies
Invisible Technologies is the AI training and scaling partner for the leading foundation model providers, enterprises, and governments, bridging the gap betwee…
Warsaw
- Skills: Python, Generative AI, GCP, Docker, Kubernetes, API development, Event-driven architectures, Modular software architecture, Observability, Version control
- Level: mid
- Type: full_time
Alter Solutions
Our mission as a company providing IT services is to provide our clients all over the world with the best solutions.
Warsaw
- Skills: Python, Flask, Django, FastAPI, RESTful APIs, SQL, NoSQL, PostgreSQL, Docker, GitHub Actions
- Level: mid
- Type: contract
Nord Security
Nord Security is the team behind Threat Protection Pro, the NordLynx protocol, and the fastest VPN on the planet.
Warsaw
- Skills: PHP, microservices, OOP, API design, MySQL, Git, Kubernetes, Redis, RabbitMQ, Grafana
- Level: mid
- Type: full_time
Serotonin
A high-performance cryptography startup with an exciting hardware twist supporting web3 networks.
Warsaw
- Skills: Rust, cryptography, blockchain, performance tuning, distributed systems, computer security, microservices, zero-knowledge cryptography, FPGA, cloud services
- Level: mid
- Type: full_time