Netguru seeks a Senior Java Developer (freelance, full-time) with at least 5 years' relevant experience, strong Java and Wildfly skills, ORM experience, knowledge of messaging/streaming (e.g., RabbitMQ), Microsoft SQL Server and Oracle databases, familiarity with containers/VMs/infrastructure and experience with AI tooling (AWS Kiro). Role is 100% remote, CET working hours, start around mid-August 2026; minimum 6 months engagement; hourly rate 25–38 EUR.

Lead technical strategy and roadmap for Adaptive Telemetry databases; own architecture, reliability, performance, cost, and end-to-end delivery of large cross-functional initiatives. Define SLOs/SLIs, lead incident response and post-mortems, improve observability and automation, align stakeholders, and mentor senior and mid-level engineers. Role expects strong systems-design instincts, experience shipping and operating large distributed systems, cloud-native and platform experience (containers/Kubernetes, IaC), coding proficiency (Go and similar), familiarity with observability tooling and messaging systems (Prometheus/Grafana, Kafka), and comfort with AI-assisted development.

Senior engineering role owning architecture, reliability, performance and end-to-end delivery for telemetry databases (Mimir, Loki, Tempo, Pyroscope) within Grafana Cloud. Responsibilities include driving technical strategy and roadmap, defining SLOs/SLIs, leading incident response, improving observability and automation, mentoring engineers, and coordinating cross-functional delivery. Strong experience with distributed systems, cloud-native platforms (Kubernetes, IaC), Go (or similar), and observability tooling is emphasized.

Role on Close's Communications team to build and improve infrastructure for email/calendar sync, live calling, voice agents, and streaming/event pipelines. Work involves Python/Flask backend services, real-time systems (WebRTC, WebSockets), telephony (Twilio, codecs), AI integrations (transcription and voice models), and infrastructure (Kafka, Redis, PostgreSQL, MongoDB, AWS, Docker, Kubernetes, Terraform, Ansible). Position is USA-only and fully remote.

Role to design, implement and operate foundational Go libraries and platform capabilities used across the engineering org: APIs, resilience primitives, observability, multi-cloud abstractions, feature management and security of shared dependencies. Requires strong Go expertise, distributed systems experience, cloud infrastructure knowledge and production reliability experience (5+ years).

Role on the Distributed Tracing Pipeline team to build, maintain, and scale backend services that ingest and process large volumes of tracing data. Work involves distributed systems, Kotlin/Java/Go, Kafka, Redis, cloud services, observability, OpenTelemetry, automation, DevOps practices, and participation in on-call rotations. Visa sponsorship is not available.

Join Twilio's Commerce Platform team to design, build and operate core billing and account lifecycle microservices and REST APIs at scale. Role requires designing scalable distributed systems, writing testable code, troubleshooting production systems, and working with AWS, Kafka, Kubernetes/EKS, relational and non-relational databases, and observability tooling.

The Wikimedia Foundation seeks a Software Engineer to build and maintain backend systems and APIs for the Wikidata Platform, improve reliability and observability, operate production services with SLOs, and support migrations and data pipelines. Requires 2+ years working on distributed systems or data platforms and proficiency with systems languages (e.g., Java or C++); familiarity with knowledge graphs, streaming systems, CI/CD, and containerization is a plus.

The Wikimedia Foundation seeks a Senior Software Engineer to design, build, and operate backend systems and APIs for the Wikidata Platform, including scaling and improving the Wikidata Query Service (WDQS), data pipelines, and related services. The role blends backend engineering and operations ownership, requires 5+ years of experience with distributed systems or data platforms, familiarity with database/knowledge-graph technologies, proficiency in systems languages (e.g., Java, C++), and experience with observability, CI/CD, and production-grade services.

The role is responsible for designing, developing, and maintaining scalable, secure SaaS applications and microservices using the .NET ecosystem and Angular, optimizing SQL Server databases, leveraging AI-assisted development tools, and contributing to CI/CD and Agile team processes. Requires 5+ years of relevant experience, strong English, and familiarity with AWS and modern API practices.

1Password is hiring a Senior Developer for the Admin Workflows team to design and implement scalable backend and notification systems (email and integrations), primarily using Go. The role requires 5+ years of professional software development in a production SaaS environment, experience with distributed, asynchronous/event-driven systems, public API design, and strong collaboration and mentoring skills. Bonus experience includes security-focused development, Kubernetes/containerized services, and working with transactional email providers (Amazon SES, SendGrid). This is a remote role for candidates in the United States or Canada; the posting lists a US annual base salary range of $153,000–$214,000 USD and a Canada annual base salary range of $144,000–$202,000 CAD. The role expects willingness to travel for periodic in-person engagement.

Join Coinbase's Onboarding team to design, develop, and scale backend services in Golang that power onboarding and KYC across products and geographies. Responsibilities include building cloud-native, service-oriented systems (Docker, Kubernetes, AWS/GCP), improving onboarding conversion through data-driven work, leading design reviews, and owning end-to-end delivery. Listed as a remote role for Singapore with a stated base salary of 191,100 SGD per year and a minimum experience requirement of 5+ years.

Join the GitHub Copilot AI Models team as a Staff Software Engineer to design, build, and maintain scalable, reliable backend services and APIs powering Copilot. Responsibilities include system design, implementation, testing, CI/CD, on-call participation, mentoring, writing architecture proposals, and collaborating with cross-functional teams. Required experience includes substantial production software engineering and familiarity with multiple programming languages and cloud/CNCF concepts.

Gremlin is hiring a Senior Backend/Software Engineer to develop Chaos Engineering tooling. The role is remote and US-based. Required experience includes 5+ years in Java, experience with Go and systems-level programming, cloud technologies (e.g., AWS, Lambda, Serverless), databases such as DynamoDB/NoSQL or relational DBs, and infrastructure tools like Linux, Docker, and Kubernetes/OpenShift. The role emphasizes building and operating distributed systems, CI/CD and automated testing; on-call/incident experience is a bonus. Salary range is $220k–$290k. The role does not offer visa sponsorship.

Join the DIG team to design, build, and modernize backend, data processing, and ML systems that power product recommendations and discovery. Responsibilities include developing, testing, deploying, and maintaining software; integrating LLMs and agentic workflows; system design and mentorship. Preferred experience with GCP (BigQuery, Dataflow, Vertex AI), TensorFlow/PyTorch/scikit-learn, microservices (REST/gRPC), distributed systems, and MLOps. Minimum 3 years' work experience; must be legally permitted to work in the United States.

Join Olo's Core team as a Software Engineer working on baskets, orders, checkout, promotions and platform services. Role is fully remote within Northern Ireland. Responsibilities include implementing small-to-medium features, writing code and tests, participating in code reviews, troubleshooting, contributing to reliability and scalability, on-call duties, and collaborating via tools like GitHub, Jira and Confluence. Requires a degree or equivalent experience and at least 1.5 years in software engineering with proficiency in C#/.NET.

Encora is hiring a Developer based in Scottsdale, AZ. The role specifies experience with Oracle, Teradata or Hadoop.

Developer/Engineer position at Encora based in Scottsdale, AZ. Role focuses on core banking systems.

Join MongoDB's Query Execution team to design, implement, test and maintain query execution algorithms and features. Requires 5+ years systems programming experience, strong CS fundamentals (data structures, algorithms), and experience with compiled languages (C++, C, Rust). Role can be Dublin-based or remote in Ireland; relocation can be supported.

Coforge busca un Ingeniero Java Senior en Lima (modalidad híbrida) con mínimo 4 años de experiencia en desarrollo backend. El rol implica diseñar e implementar microservicios y APIs REST usando Java (JDK 8/11/17), Spring/Spring Boot y Quarkus, trabajar con contenedores (Docker, Kubernetes/AKS) y servicios Azure, y mantener pipelines de CI/CD. Se requieren conocimientos de arquitectura de software, patrones como SAGA, bases NoSQL, conceptos de Data Warehouse y prácticas SRE/DevOps.