Remote Backend Engineer

Anyone AI Inc. is seeking a remote, part-time, project-based expert evaluator to design and assess realistic software engineering tasks, spanning bug fixing, feature development, refactoring, and test generation. Contributors will work remotely, control their own schedule, provide their own tools, and may serve multiple vendors, with per-project compensation...

Upsun is hiring a Software Engineer to build and maintain backend billing services. You will own components handling invoices, taxes, usage reporting, and integrations with external systems, impacting customers across multiple products and currencies. Join a distributed team across Europe, North America, and India, with a culture of collaboration and modern...

Jobgether SRL is seeking a Full-Stack Engineer (Backend Leaning) – Payments Engineering, based in Spain. You will build and evolve the payment infrastructure powering billing, usage tracking, pricing, and payment processing for self-service and enterprise customers in an AI-focused environment. This remote role offers significant technical ownership,...

Nutrient is building a scalable backend platform that powers Document Engine and related services. We seek a backend engineer who focuses on database-first design, with a track record of handling large volumes of data and annotations across global deployments. You will design data models, ensure fast query paths, and own architecture decisions. This role is...

A leading software provider in the automotive industry is looking for a seasoned backend engineer to join their remote team from Spain. You will develop and maintain Spring Boot services, work with event-driven architectures using AWS, and ensure secure API integrations. Ideal candidates have over 8 years of experience in backend development, particularly...

Jobgether SRL, listed on behalf of a partner company, seeks a Senior Software Engineer (Node.js/Python) based in Spain to build backend and AI-enabled systems powering an innovative mobility platform. You will design, develop, and operate scalable web services and APIs using Node.js, TypeScript, and Python, owning architecture and working with AI engineers...

Kairós está buscando un Lead Backend Engineer para liderar la modernización de sistemas críticos y la migración de arquitecturas legacy. Serás el referente técnico, guiarás a ingenieros y definirás decisiones arquitectónicas transversalmente. Trabajarás con Java 21, Spring Boot, en entornos cloud (AWS/GCP) con IaC, CI/CD e integración de IA como...

Lever, Inc. seeks a Backend Engineer focusing on MTA infrastructure, based in Spain but fully remote. You will build and operate high-volume email delivery systems, including SMTP delivery, routing, retries, and reputation controls, with ownership across reliability and observability. You'll work with Trust & Safety and Core Sending teams, using TypeScript...

Quik Hire Staffing is seeking a Senior Backend Engineer (Node.js, AWS) for a fully remote, full-time role. You will design, develop, and maintain scalable backend services for a high-traffic platform, collaborating with cross-functional teams to deliver low-latency solutions in a cloud-native environment. You will design and deploy Node.js microservices...