Chainguard is hiring a Staff Software Engineer to drive architecture and implementation of backend systems (Go on GCP) for Athena, focusing on data pipelines that ingest and deduplicate unstructured vulnerability reports, entitlement/workflow management, and production observability. Requires 7+ years backend engineering experience and strong Go, GCP, and Terraform skills.

Role to build and maintain core components of Chainguard's Athena clearing house in Go on GCP, including customer onboarding, entitlement logic, and data ingestion pipelines. Responsibilities include taking ownership of features/subsystems, implementing scalable architecture, handling unstructured-to-structured data processing, participating in on-call rotation and incident response, contributing Terraform and GCP-native operational tooling. Base salary range $157,000–$184,000 USD.

Join Chainguard's Athena team to build and maintain core backend components in Go on GCP, including customer onboarding flows, entitlement logic, and data ingestion pipelines. The role requires ownership of features and subsystems from design through production, strong Go and backend engineering skills, experience with Terraform and GCP, and a focus on monitoring, alerting, and operational excellence; participation in on-call rotation and incident response is expected.

Join Chainguard's Athena team to design, implement, and operate core clearing-house systems in Go on GCP, including customer onboarding flows, entitlement logic, and data ingestion pipelines. The role involves driving ambiguous features to production, participating in on-call rotations and incident response, contributing infrastructure-as-code with Terraform, and improving observability and operational excellence for enterprise-scale systems.

Join GitHub's Billing team to design, build, test, and operate systems that handle payments, billing, fraud detection, and compliance at scale. The role involves API design, CI/CD, cloud/CNCF concepts, on-call rotations, mentoring, writing architecture proposals, and delivering maintainable production software. Requires 6+ years of software engineering experience (or equivalent as described in the posting).

Remote Senior Software Engineer on the PerfectScale team, based in EMEA (UK, Ireland, Estonia, Netherlands, Sweden, Israel; contractors considered in Eastern Europe and Portugal). Responsibilities include designing, building, and deploying distributed systems and high-throughput data pipelines (primarily in Go), leading architecture and technical initiatives, and mentoring engineers. Requires substantial backend experience (8-15 years) and hands-on expertise with databases (Postgres, ClickHouse), containers and orchestration (Docker, Kubernetes), microservices, and modern DevOps practices.

Hands-on Senior Software Engineer role at DoiT (PerfectScale) focused on designing and deploying distributed systems and data pipelines. Requires ~8+ years backend experience (8-15 stated), 2-3 years commercial Go experience, and expertise with cloud-native technologies (Docker, Kubernetes, microservices), databases (Postgres, ClickHouse) and performance-sensitive workloads. Remote-based in specific EMEA countries listed in the posting.

Full-time senior software engineering role on DoiT's PerfectScale team. Responsibilities include designing, building, and operating distributed systems and data pipelines, leading architecture decisions, contributing high-quality code, and mentoring engineers. Requires strong backend experience (8+ years), 2–3 years commercial Go experience, and expertise with databases (Postgres, ClickHouse), containers, Kubernetes, microservices, and CI/CD.

Hands-on senior engineer and architectural leader for PerfectScale, responsible for designing, building, and operating distributed systems and high-throughput data pipelines primarily using Go and cloud-native technologies. Requires 8+ years backend experience (including 3+ years architecting high-load systems) and expertise with databases (Postgres, ClickHouse), containers, Kubernetes, microservices, and modern DevOps practices.

Kinsta seeks an Internal Tools Developer to build and maintain custom tooling for Technical Support, Billing, Customer Success, Malware & Abuse, and Migrations. Responsibilities include developing API-integrated tools, leveraging AI where appropriate, assisting with server administration, and supporting end users. Remote-first, flexible environment; English fluency required.

Lead and grow a team of software engineers owning delivery, technical direction, and operational excellence for the Account Experience surface (Primer Companion, merchant setup, monitors, workflows, auditing). Role requires hands-on technical credibility for system design and reliability, partnering with Product on roadmap and hiring as the company scales. Remote-first role available across the listed countries.

Remote-first senior PHP developer role contributing to backend and API development for a fintech white-label/SAAS platform. Responsibilities include designing, developing, testing, documenting and supporting software, integrating third-party payment systems, implementing DDD/CQRS/Event Sourcing patterns, optimizing SQL and system performance, and setting up integration/test environments. Role accepts applicants across Europe (including EEA, UK, Switzerland and listed non-EEA countries) and others who can work within the CET time zone.

WhiteTech is hiring a remote PHP developer to design, develop, test, document and support backend systems and APIs for fintech products. The role emphasizes Domain-Driven Design, Symfony, Doctrine, PostgreSQL, CQRS and Event Sourcing, containerization (Docker, Kubernetes), integration testing (PHPUnit, Codeception, Behat) and architectural design for large-scale microservices-based systems. Candidates across Europe (including specified non-EEA countries) or those able to work within CET are welcome.

WhiteTech seeks a remote PHP Developer with 4+ years of commercial PHP experience and hands-on SEON integration. The role focuses on building fraud detection/prevention flows, risk scoring and decision logic, orchestration within complex systems, and integrating SEON beyond simple API calls. Required skills include REST APIs/webhooks, asynchronous processing, queues, transactional consistency, idempotency, observability, SQL, and experience with Symfony or another modern PHP framework. Candidates across Europe (including listed non-EEA countries) and those able to work within CET are welcome to apply.

Lead backend developer role focused on PHP/Symfony development, RESTful API design, database design and optimization (PostgreSQL), integration of third-party payment systems, automated and integration testing, and architecture for scalable microservices and event-sourced systems. Remote-first position with flexible hours within the Central European Time zone; applications welcomed from Europe (including UK, Switzerland, and listed non-EEA European countries).

Responsible for developing and maintaining core framework and messaging transport components for Kraken's trading engine (Aeron-based). Tasks include designing low-latency, high-availability messaging across unicast/multicast/IPC, tuning system stack for microsecond latency, building durable message replay integrations, implementing security and risk mitigations, and collaborating across distributed teams. Requires 5+ years' C++ experience and familiarity with Linux-based concurrent/low-latency systems; experience with Aeron, UDP/multicast, kernel-bypass techniques, profiling tools, and knowledge of trading systems and crypto is desirable.

Join Olo's Menu team to develop and operate performance-sensitive, distributed backend services using .NET/C#. Role requires ~3+ years' software engineering experience, strong testing and CI/CD practices, familiarity with Redis/Kafka/AWS, debugging and production monitoring, and participation in on-call duties. Daily tooling includes GitHub, GitHub Actions/TeamCity and AI coding assistants (Claude Code, GitHub Copilot).

Lead technical strategy across the Partners engineering teams, own design of core backend services for high-performance distributed systems, act as technical authority on partner integrations, mentor and influence engineers across teams, and partner with Product on roadmap decisions. Role is remote and part of a globally distributed engineering organization focused on payments and developer platform integrations.

CircleCI seeks a Software Engineer (remote, UK) with 3+ years production full-stack experience, backend-leaning and strong Go expertise. Role emphasizes AI-native engineering, CI/CD, system design, observability (Honeycomb, Datadog, Rollbar), and operating reliable distributed services. Salary range: £76,500–£95,000 GBP.

Remote Senior Software Engineer for Application Core Services focused on designing, building, operating, and evolving production backend services, APIs, and integrations (e.g., NetSuite, Salesforce) that support customer lifecycle workflows and internal business operations. Role involves full-stack contributions, ownership of services (including on-call), improving CI/CD and test coverage, and collaborating across distributed teams. Candidates considered in Germany, Ireland, Sweden, Spain, and the UK.