Seeking a Senior Full-Stack Engineer with 6+ years' professional experience to develop and ship full-stack applications (Python backend, React frontend). Responsibilities include building APIs and data pipelines, creating reusable components, improving observability/resilience/security, prototyping features, and leveraging AI-enabled development tools and agent-driven workflows. Required skills include Python, React, API integration, CI/CD, automated testing (Pytest and frontend equivalents), containerization, and cloud platform experience.

Work on the CRE platform to deliver core capabilities across CLI, Go and TypeScript SDKs, frontend services and backend APIs. Improve scalability, workflow durability, reliability, and developer experience. Requires experience operating production backend systems at scale, advanced Go proficiency, and distributed systems design. Remote-global role with requested overlap with EST hours.

Midnight seeks a Rust engineer to own the Indexer: ingesting blockchain blocks via subxt, processing and storing data in PostgreSQL and SQLite, and evolving a GraphQL API (including real-time subscriptions and wallet privacy features). Role requires production experience building high-performance backend/data systems, strong Rust skills (async/tokio), testing and operational ownership (Docker, observability); blockchain and ZK experience are valued.

Experienced App Dev Architect (10+ years) to architect and execute extraction of complex business logic from Oracle PL/SQL into modular .NET 8 microservices, design deployments on AWS (EKS, service mesh), provide technical leadership and mentorship for a 5-person backend team. Requires deep Oracle PL/SQL and .NET 8/C# expertise; role is a contractor engagement starting first week of August 2026 for 5+ months.

Contractor role based in Uruguay working on Hopper's Lodging and Cars Supply team. Responsibilities include end-to-end technical integrations with lodging, car and GDS partners; writing and maintaining Scala or other JVM-based high-throughput services; troubleshooting distributed systems in production; owning feature implementation, testing and deployment; and collaborating with product and operations to deliver resilient, low-latency booking services.

Senior individual contributor responsible for end-to-end technical integrations with lodging, cars and GDS partners, building and maintaining scalable, low-latency Scala/JVM microservices, troubleshooting production issues, and owning feature implementation, testing, and deployment in a remote-first UK-based role.

Join Hopper's Lodging and Cars Supply team as a senior individual contributor to implement end-to-end integrations with lodging, cars and GDS partners, maintain and evolve JVM/Scala microservices, troubleshoot production issues in distributed systems, and design resilient low-latency services. The role emphasizes Scala or other JVM languages, experience with gRPC, Pub/Sub, REST, and ownership of feature development from implementation through deployment.

Senior individual contributor on the Lodging and Cars Supply team responsible for end-to-end integrations with lodging, cars and GDS partners, evolving and maintaining microservices using Scala or other JVM languages, troubleshooting production issues, and delivering resilient, low-latency booking services. Remote role based in Brazil with cross-functional collaboration and ownership of feature delivery from implementation through deployment.

Senior individual-contributor role on the Lodging and Cars Supply team responsible for end-to-end technical integrations with lodging, cars, and GDS partners, writing and maintaining Scala/JVM microservices, troubleshooting production in a distributed system, and owning feature implementation, testing, and deployments. Requires experience with service communication methods (gRPC, Pub/Sub, REST), high-throughput/low-latency service design, and collaboration with product and operations teams.

Senior individual contributor responsible for end-to-end integrations with lodging, cars and GDS partners, developing and maintaining high-throughput JVM-based microservices (Scala/Java/Kotlin), troubleshooting distributed production systems, and collaborating with Product and Operations. Role is remote-first based in Spain and emphasizes building resilient, low-latency booking fulfillment services and improving system monitoring.

Work as a senior individual contributor on Hopper's Lodging and Cars Supply team to execute end-to-end technical integrations with lodging, cars and GDS partners, develop and maintain high-throughput Scala/JVM microservices, troubleshoot production issues in a distributed environment, and own feature implementation from testing to deployment. Engagement is offered as an Independent Contractor (Ireland).

Join the Lodging and Cars Supply team to build and maintain high-throughput, low-latency booking services in a microservices environment. Responsibilities include end-to-end technical integrations with lodging, cars, and GDS partners; writing and maintaining Scala or other JVM-language code; troubleshooting production systems; and collaborating with Product and Operations on feature delivery. Role is senior-level, remote-based in the Netherlands.

Work on a remote-first team responsible for scaling Hopper's global hotels and cars ecosystem. Responsibilities include end-to-end technical integrations with external partners, writing clean performant code in Scala or other JVM languages, troubleshooting production incidents in distributed systems, owning feature development from implementation to deployment, and improving system scalability, performance and monitoring. Technologies and topics mentioned include Scala/JVM, microservices, gRPC, Pub/Sub, REST, GDS integrations, low-latency/high-throughput services, and production debugging.

Join the Lodging and Cars Supply team to execute end-to-end technical integrations with lodging, cars and GDS partners, develop and maintain scalable, low-latency services in Scala or other JVM languages, troubleshoot distributed production systems, and own feature delivery from implementation through deployment. This position is offered as an independent contractor role based in Argentina.

Join the Lodging and Cars Supply team as a senior individual contributor to execute end-to-end integrations with lodging, cars and GDS partners, write and maintain clean performant Scala/JVM code, troubleshoot production issues in a distributed microservices environment, own feature development from implementation through deployment, and collaborate with Product and Operations to deliver resilient, high-throughput booking services.

Senior engineer to own and modernize data-intensive backend systems and low-latency streaming pipelines that capture, aggregate, and deliver workout telemetry. Requires 5+ years building and operating production backend services, deep proficiency in Node.js and TypeScript, hands-on AI/LLM experience, and experience with AWS (Lambda, ECS, S3, RDS/Postgres), streaming technologies (Kafka/Kinesis), and infrastructure as code (Terraform). Candidate must be authorized to work in the United States without sponsorship.

Nearform is hiring a Senior Java Engineer (remote contract) for candidates based in Poland or Romania. The role focuses on designing and building Java applications, supporting component design and maintenance, defining source code management and deployment practices, optimising application performance, and collaborating with client teams. Required: significant senior-level experience, deep Java knowledge (ideally JavaServer Faces), experience in agile delivery, version control (Git), testing across unit/integration/e2e levels, databases and cloud environments, automation and CI/CD, and professional English.

Senior DI Modernization Engineer (hybrid in Hermosillo or Mexico City). Requires 8+ years backend experience and 2+ years production Elixir. Responsibilities include architecting and building scalable, highly available backend services and APIs, defining technical roadmaps, establishing observability and reliability standards, and driving DevSecOps and engineering best practices. Key technologies: Elixir, REST/GraphQL/gRPC, PostgreSQL, Kafka, AWS, Docker/Kubernetes, DataDog, CI/CD and infrastructure automation.

Senior technical lead responsible for designing and operating large-scale, highly available distributed systems and production-grade backend services using Elixir. Must have 8+ years backend experience, 2+ years Elixir experience, and strong skills in AWS, Docker, Kubernetes, Kafka, PostgreSQL, API design (REST/GraphQL/gRPC), observability (DataDog), CI/CD and DevSecOps. Role is hybrid based in Hermosillo or Mexico City.

This remote Staff Software Engineer role (available to candidates in the UK, Germany, Spain, Ireland, and Sweden) will define technical direction for Grafana's authentication systems, lead multi-team initiatives, and implement low-latency, high-throughput identity solutions primarily using Go. The role requires deep expertise in identity standards, distributed systems, reliability practices (SLOs/SLIs), and strong communication and mentorship skills.