Last updated: 2025-10-18
63 Backend Software Engineering jobs in Warsaw.
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
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. 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
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
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, distributed systems, Kubernetes, Machine Learning, Cloud platforms, C++, Java, Python, algorithms, data structures
- 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
At Saily, we’re removing the hassle from getting secure data plans while traveling.
Warsaw
- Skills: Go, MySQL, Kafka, Kubernetes, AWS, Redis, APIs, Microservices, Backend Development, System Design
- 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
Nord Security
The world’s most advanced VPN, and a whole lot more.
Warsaw
- Skills: Golang, APIs, System Design, Design Patterns, AWS, MySQL, Kubernetes, Redis, RabbitMQ, Backend Development
- Level: mid
- Type: full_time
Box
Box is the world’s leading Intelligent Content Cloud, trusted by more than 115K organizations, including nearly 70% of the Fortune 500, to protect their data, …
Warsaw
- Skills: cloud, microservices, Kubernetes, Docker, APIs, Java, AWS, GCP, scalability, observability
- Level: senior
- 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. We manage to do this by analyzing the need…
Warsaw
- Skills: Python, JavaScript, PostgreSQL, Redis, Azure, AWS, GCP, Kubernetes, Docker, CI/CD
- Level: mid
- Type: contract
hyperexponential
At hyperexponential (hx) we are transforming the traditional insurance industry with our groundbreaking SaaS platform, hx Renew. Insurers use it to build compl…
Warsaw
- Skills: Rust, Kotlin, AWS, API design, Terraform, authentication, authorization, event-driven architecture, SpiceDB, webhooks
- Level: mid
- Type: full_time
Speechify
Speechify’s mission is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whateve…
Warsaw
- Skills: backend development, Python, GCP, AWS, Azure, Docker, Kubernetes, NLP, TTS, cloud providers
- Level: senior
- Type: full_time
Arηs
Arηs is a fully independent group of companies specialized in managing complex IT projects and systems for large organisations, focusing on state-of-the-art so…
Warsaw
- Skills: Microservices, C#, Cloud Platforms, API Development, Docker, Kubernetes, Domain-Driven Design, Agile, CI/CD, Performance Optimization
- Level: senior
- 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: scheduling, optimizations, C++, Machine Learning, distributed systems, software development, data structures, algorithms, reliability monitoring, integration testing
- Level: entry
- Type: full_time
idt
Warsaw
- Skills: Golang, Software Engineer, Go, High-performance systems, Flexible environment, Innovative solutions, Impactful, Team, Platform products
- Level: senior
- Type: full_time
YouGov
YouGov is a global online research company, offering insight into what the world thinks. We speak daily to our panel of over 24 million registered members to u…
Warsaw
- Skills: Python, Flask, Django, Docker, Kubernetes, AWS, CI/CD, microservices, MongoDB, PostgreSQL
- Level: mid
- Type: full_time
Visa
Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial instituti…
Warsaw
- Skills: software engineer, application design, coding patterns, bug-free products, Agile, RESTful services, Golang, Java, Python, microservices
- Level: mid
- Type: full_time
Bosch
At Bosch, we shape the future by inventing high-quality technologies and services that spark enthusiasm and enrich people’s lives. Our promise to our associate…
Warsaw
- Skills: Machine Learning, Generative AI, Large Language Models, Kubernetes, Docker, cloud-native AI, MLOps, AI solution design, Technical specifications, AI frameworks
- Level: senior
- Type: full_time
Surfshark
Warsaw
- Skills: Go, distributed systems, APIs, Kubernetes, OIDC, mTLS, health tracking, configuration management, monitoring, authenticattion
- Level: mid
- Type: full_time