Remote Backend Developer jobs open to Europe.

Python

8 years of experience, Active Directory attack expertise, Offensive security experience, Python programming, AD tradecraft knowledge, Technical leadership, Research skills in cybersecurity, Experience with modern hardened environments, Mentoring attack engineers, SCCM attack experience, Hybrid identity attack experience

Horizon3 AIHorizon3.ai is a remote cybersecurity company specializing in the NodeZero autonomous pentesting SaaS platform, serving global enterprises and federal agencies in the B2B sector.

Ruby

3 years of experience, Ruby on Rails, PostgreSQL, REST APIs, Sidekiq, Scalable backend development, Debugging, Performance optimization, Clean code practices

2 years of experience, Technical document analysis, Cloud infrastructure experience, Attention to detail, Ability to interpret technical concepts, Experience reviewing engineering reports, Familiarity with technical architecture documentation

Node.js · AWS · Kubernetes

5 years of experience, Node.js, NestJs, PostgreSQL, Kafka, Redis, REST API, gRPC, AWS, Docker, K8s, CI/CD pipelines

Veli Technologies Ltd.Veli Technologies Ltd. (VeliTech) is a Cyprus-based B2B iGaming software provider specializing in a full-stack platform that includes player account management, content aggregation, sportsbook, and payment solutions for global iGaming operators.

Node.js · AWS · Kubernetes

5 years of experience, Node.js, NestJs, PostgreSQL, Kafka, Redis, REST API, gRPC, AWS, Docker, K8s, CI/CD pipelines

VeliTechVeliTech is a Kyiv-based B2B iGaming technology provider offering a comprehensive suite of SaaS solutions for online casinos and sportsbooks, serving a global market with over 40 million users.

Python · AWS · Kubernetes

4 years of experience, Python, Go, PostgreSQL, AWS, Docker, Kubernetes, Event-driven architectures, Kafka, Graph database, Cybersecurity background, Data encryption patterns

Horizon3 AIHorizon3.ai is a remote cybersecurity company specializing in the NodeZero autonomous pentesting SaaS platform, serving global enterprises and federal agencies in the B2B sector.

Python · Kotlin · AWS

8 years of experience, Python, Kotlin, AWS, MySQL, Spark, Kubernetes, Distributed systems, Technical strategy, KYC Verification, Identity Data Management

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

Python · Kotlin · AWS

8 years of experience, Python, Kotlin, AWS, MySQL, Spark, Kubernetes, Distributed systems, Technical strategy, KYC Verification, Identity Data Management, Global regulatory compliance

AffirmAffirm is a U.S.-based fintech company offering a buy now, pay later (BNPL) service that allows consumers to make purchases in installments, primarily targeting the retail sector with both B2C and B2B business models.

GraphQL · SQL · AWS

7 years of experience, EDR platform familiarity, GraphQL backend development, Third-party API integrations at scale, ETL pipeline development, Cloud platform experience (AWS, Azure, GCP), SQL expertise, Technical documentation skills

Horizon3 AIHorizon3.ai is a remote cybersecurity company specializing in the NodeZero autonomous pentesting SaaS platform, serving global enterprises and federal agencies in the B2B sector.

SQL

4 years of experience, Scala, Functional programming, Distributed backend services, SQL databases, MySQL, Kafka, Redis, Clickhouse, Mentorship, Technical initiatives

Sprout SocialSprout Social, Inc. is a Chicago-based B2B social media management platform that helps brands communicate with customers and measure their social media effectiveness.

Python · Java · SQL

2 years of experience, Java, Python, AWS, Kubernetes, MySQL, NSQ, Hbase, Object-oriented programming, Building resilient systems, Using third-party APIs, SQL/NoSQL databases

Sprout SocialSprout Social, Inc. is a Chicago-based B2B social media management platform that helps brands communicate with customers and measure their social media effectiveness.

Python · Java · SQL

4 years of experience, Java, Python, Scalable backend services, SQL, NoSQL, Mentorship, Technical architecture, Agile methodology

Sprout SocialSprout Social, Inc. is a Chicago-based B2B social media management platform that helps brands communicate with customers and measure their social media effectiveness.

SQL

7 years of experience, Scala, Distributed systems, Functional programming, Technical mentoring, SQL databases

Sprout SocialSprout Social, Inc. is a Chicago-based B2B social media management platform that helps brands communicate with customers and measure their social media effectiveness.

Python · Java · SQL

7 years of experience, Java, Python, AWS, Kubernetes, Distributed systems, Technical leadership, SQL, NoSQL, Cloud computing

Sprout SocialSprout Social, Inc. is a Chicago-based B2B social media management platform that helps brands communicate with customers and measure their social media effectiveness.

React

C#, C++, WPF, React, desktop UI design, concurrency design patterns, software testing techniques, Git

sonyinteractiveentertainmentglobalSony Interactive Entertainment is a San Mateo-based global video game and digital entertainment company, primarily B2C, known for the PlayStation brand and its innovative gaming hardware, software, and network services.

C++, Objective-C, Apple platforms, Debugging, Problem solving, Version control (Perforce)

5 years of experience, C++, Machine learning integration, Real-time software optimization, ML frameworks (PyTorch, TensorFlow), End-to-end ML systems, GPU programming, Game programming, ONNX knowledge

Python

Python, C#, Unreal Engine, Continuous integration, Automated tools, Systems design, User experience, Algorithmic knowledge, API architecture

Rust

5 years of experience, OCaml, Rust, Linux debugging, Multi-threaded programming, Asynchronous network programming, Cassandra, OAuth, OIDC, Active Directory, LDAP, Functional programming

NVIDIANVIDIA Corporation is a Santa Clara-based technology company specializing in designing GPUs and AI solutions for gaming, professional visualization, and cloud services, operating in both B2B and B2C markets globally.

Python · Ruby

Ruby on Rails, Python, PostgreSQL, API design, AI-assisted development, Full stack background, Mentoring engineers, Driving substantial projects

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

TypeScript

TypeScript, Command-line tool development, Technical leadership, Architectural decision-making, Developer tooling design, IDE extension development

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

Ruby

Go, Distributed systems, Technical 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.

Deep Backend Expertise, Agentic AI Expertise, Architectural Judgment, High-throughput distributed systems, Containerized production operations, Database performance knowledge

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

Go · Kubernetes

Go, Kubernetes, Kubernetes architecture, Kubernetes APIs, Cloud-native technologies, Problem-solving in distributed systems, AI inference and model training

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

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

Java · Kotlin · AWS

Kotlin, Java, Spring Boot Reactive, AWS, Docker, Kubernetes, Kafka, Redis, Multi-threaded architectures, Web services, Caching, Customer-first mindset

VonageVonage is a Holmdel Township, NJ-based cloud communications provider specializing in unified communications and contact center solutions for B2B and B2C markets globally.

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