Remote Backend Developer jobs open to Europe.

SDKs, APIs, shared infrastructure, blockchain, open-source culture, autonomous problem-solving, user interface stability, good communication skills

ParityParity is a blockchain infrastructure company focused on building open-source technologies for a decentralized internet, headquartered remotely with a global reach.

C++, Cycle-accurate microarchitecture performance simulator, Pre-silicon performance analysis, Workload and trace analysis, Technical leadership in computing innovations, Computer architecture background

Python

Gaming experience in World of Tanks, Knowledge of server-side architecture, Basic knowledge of XML and JSON, Basic level of Python, Experience in game development, Technical education, Attention to details, Availability 24/7

3 years of experience, C++, Engine development, Embedded systems, Performance profiling, x86 assembly, Job-based architectures, Parallel programming, Technical design communication

Linux kernel development, x86 computing architecture, Virtualization technologies, Open-source software development, Performance optimization, Low-level debugging tools, Memory management, Collaboration with open-source communities

Java · Kubernetes · Docker

5 years of experience, Java 11/17+, Spring Boot, Apache Kafka, PostgreSQL, Docker, Kubernetes, Deep JVM internals, AI tools proficiency, Distributed systems experience, Microservices architecture, Event-driven patterns

InPostInPost is a Kraków-based logistics company specializing in out-of-home delivery solutions through a network of Automated Parcel Machines, serving the e-commerce industry across Europe with both B2B and B2C services.

Python · Java · AWS

5 years of experience, Stablecoin technologies, Blockchain payment rails, Cloud environments (AWS, GCP, Azure), Infrastructure-as-Code (Terraform), Object-oriented or functional programming (Python, Go, Java), Security-sensitive systems, Payments and treasury infrastructure

RampRamp is a US-based B2B FinTech company specializing in finance automation, offering corporate cards, expense management, and accounting solutions for businesses.

C++, CPU optimization, Memory usage optimization, Low-level programming, Debugging difficult bugs, Game engines experience

Go · Kubernetes

Slurm production experience, Go proficiency, Kubernetes operators experience, Diagnosing performance issues, Product mindset for Slurm, Observability with VictoriaMetrics and Grafana

GcoreGcore is a Luxembourg-based B2B cloud and edge computing company specializing in web performance, content delivery, and security solutions for global industries.

AWS · Kubernetes · Docker

5 years of experience, Distributed backend systems, Web3 platform components, AI-assisted workflows, Strong ownership mindset, Client collaboration, Fast-paced startup environment, High code quality standards, Algorithms and data structures, Containerized systems: Docker & Kubernetes, AWS

ZerionZerion is a decentralized finance (DeFi) platform and Web3 wallet that enables global crypto investors to manage, trade, and track their assets across multiple blockchain networks.

Ruby

Go, Distributed storage, Complex project ownership, Systems design, Performance optimization, Incident response, Mentoring engineers, Ruby, gRPC, Git internals

GitLabGitLab is a San Francisco-based DevOps platform offering B2B and B2C solutions for software development, security, and collaboration, with a global presence.

Unreal Engine, C++, Streaming solutions, Memory system, Physics (ChaosPhysics), World building tools, AAA title experience, Multithreaded programming, System architecture, Debugging and optimization

CD PROJEKT REDCD PROJEKT RED is a Warsaw-based video game developer specializing in story-driven RPGs, including The Witcher series and Cyberpunk 2077, operating primarily in the B2C gaming industry with a global target market.

Unreal Engine, C++, Streaming solutions, Memory system, Physics (ChaosPhysics), World building tools, Multithreaded programming, System architecture, Debugging and optimization

CD PROJEKT REDCD PROJEKT RED is a Warsaw-based video game developer specializing in story-driven RPGs, including The Witcher series and Cyberpunk 2077, operating primarily in the B2C gaming industry with a global target market.

Python · AWS · Azure

FastAPI, asynchronous programming, Docker, Kubernetes, cloud providers (AWS, Azure, Google Cloud), logging and monitoring tools (ELK, Loki, Prometheus, Grafana), problem-solving skills

GcoreGcore is a Luxembourg-based B2B cloud and edge computing company specializing in web performance, content delivery, and security solutions for global industries.

6 years of experience, C#/.NET, C++, Unreal Engine, Multi-threaded architectures, Networking protocols, Database technologies, Networked applications, Network optimization

Python

5 years of experience, Strong Python, AI-assisted development, Healthcare experience, Flask, SQLAlchemy, PostgreSQL, Redis

CollectlyCollectly is a San Francisco-based B2B SaaS healthcare technology company specializing in AI-driven patient billing and revenue cycle management solutions for healthcare organizations.

Kubernetes

Large-scale distributed systems, Backend services, Distributed systems fundamentals, Shared platforms, Self-service infrastructure, Apache Flink, Kafka, Spark, Kubernetes, Advertising technology

UnityUnity Technologies is a San Francisco-based gaming company providing a leading B2B SaaS platform for real-time 3D development, widely used by creators across various industries globally.

TypeScript · JavaScript · SQL

3 years of experience, C#, ASP.NET, MS SQL Server, T-SQL, JavaScript, Typescript, Troubleshooting tools, Git, Agile, AI tools usage

Aras CorporationAras Corporation is an Andover, Massachusetts-based B2B SaaS provider specializing in open-source product lifecycle management (PLM) solutions for engineering and manufacturing sectors, including automotive and aerospace.

C/C++/C# proficiency, Embedded Linux development, QNX experience, AAOS or AOSP development, Vulkan and OpenGL ES experience, Performance optimization on embedded SoCs, Customer collaboration in automotive, Team influence on cross-platform initiatives

UnityUnity Technologies is a San Francisco-based gaming company providing a leading B2B SaaS platform for real-time 3D development, widely used by creators across various industries globally.

Java · Azure

7 years of experience, Java 17 & 21, Spring (boot, cloud, data flow), Microservices architecture, Azure Cloud, OpenTelemetry, Gradle, MongoDB, Product Information Management, e-commerce/retail experience

RTL design, CPU architecture, Microarchitecture development, Power-saving techniques, High-speed processor design, Design verification, Synthesis and timing closure, Problem-solving skills

Go · SQL · Kubernetes

3 years of experience, GoLang, Docker, Kubernetes, DevOps mindset, Financial market knowledge, Experience with large datasets, SQL, Microservice architectures

AlpacaAlpaca is a US-based fintech company providing self-clearing brokerage infrastructure and APIs for stocks, ETFs, options, and crypto, serving financial institutions globally.

Go · SQL · Kubernetes

3 years of experience, GoLang, Docker, Kubernetes, DevOps mindset, Financial market knowledge, Experience with large datasets, SQL, Microservice architectures

AlpacaAlpaca is a US-based fintech company providing self-clearing brokerage infrastructure and APIs for stocks, ETFs, options, and crypto, serving financial institutions globally.

Python

Python, Customer interaction, Software architecture, APIs integration, Communication, Problem-solving

ElevenLabsElevenLabs is a Poland-based AI voice technology company specializing in advanced speech synthesis and audio solutions for a global market, operating in both B2B and B2C contexts.

Rust

3 years of experience, Rust, Network services, Asynchronous code, Security-first mindset, Distributed systems, RPC protocols, Kafka, Event-Driven Systems, End-to-end ownership, Mentorship

KrakenKraken is a global fintech B2B and B2C cryptocurrency exchange platform, dedicated to accelerating crypto adoption and headquartered remotely with a presence in over 70 countries.

3 years of experience, Full-stack or backend proficiency, Custom integrations experience, Technical implementation ownership, Technical discovery sessions, C1+ English proficiency

PearlPearl is a dental AI company specializing in SaaS solutions for dental x-ray analysis, headquartered in an unspecified location, operating in the B2B healthtech industry with a global market presence.

4 years of experience, Backend engineering, Data-heavy systems, AI tools, SaaS experience, Integrations with third-party platforms, Architectural decision-making, Fast-paced environment

dragonboat Inc.Dragonboat Inc. is a Santa Clara-based B2B SaaS startup providing an AI-powered Strategic Portfolio Management platform for product operations, serving a diverse global market.

TypeScript · React · Node.js

5 years of experience, React, Node.js, TypeScript, API design, Microservices, System design patterns, PostgreSQL, Automated testing, Kubernetes, Mentoring engineers, Security practices

SwingDev – a hippo companySwingDev is a Poland-based InsurTech B2B software development firm specializing in modernizing home insurance technology as a partner of Hippo Insurance.

TypeScript · React · Node.js

5 years of experience, React, TypeScript, Node.js, REST, GraphQL, MongoDB, CI/CD, iPaaS, AI coding tools, Healthcare integrations, Security awareness

Advanced C++, Optimized code writing, Multi-threaded programming, Code optimization techniques, Complex code analysis, Attention to detail, Game development experience