27,055 Backend jobs
Server-side engineering roles — APIs, services, databases and backend systems.
Senior Backend Engineer - Remote & Scalable Systems
Placements24 seeks a Senior Backend Software Developer to design, build, and maintain scalable backend services across the full software lifecycle, collaborating with product and frontend teams in a remote-first environment. Core focus: microservices, cloud platforms, and PostgreSQL/MongoDB databases.
Senior Software Engineer - Backend (fintech)
Fully remote senior backend engineer designing, building, and maintaining scalable, secure backend systems and APIs for a fintech client's financial applications in an agile team. Core stack spans Java/Python/Go/C#, SQL/NoSQL databases, REST microservices, cloud platforms, and Docker/Kubernetes.
Remote Senior Golang Backend Engineer — Scalable Apis
Fully remote senior backend engineer role focused on Golang: designing, developing, and deploying high-performance backend systems and APIs for core products alongside a global team. Key stack includes Golang, REST/gRPC APIs, PostgreSQL/MySQL, NoSQL, and cloud platforms.
Senior Backend Engineer - Remote Python/django
Senior Backend Engineer designing, building, and maintaining scalable backend systems with Python and Django — focused on RESTful APIs, robust databases, and secure data practices — collaborating with frontend, product, and design teams in a remote-first setup. Core stack: Python/Django, PostgreSQL/MySQL, plus cloud and containerization.
Remote Senior Backend Engineer - Scalable Systems
Senior backend engineer (fully remote) building and running scalable, low-latency backend services and APIs for a fintech client. Day to day: distributed systems design, cloud infrastructure management, and database work using Python/Go/Java, AWS/GCP/Azure, Docker/Kubernetes, and PostgreSQL/MySQL/NoSQL.
Backend Developer (centurion) Market Related
Backend developer in Centurion, South Africa writing serverless AWS Lambda functions (Node.js) and working with DynamoDB, AppSync, EventBridge, Pinpoint and S3, while sharing responsibility for CI/CD pipelines, AWS infrastructure and REST APIs, plus 3rd-line support. 4+ years' experience preferred; PostgreSQL DBA exposure advantageous.
Senior Backend Engineer
Builds and maintains scalable backend services and APIs powering Pansophic Learning's K-12 education solutions, working 4 days/week onsite in Tysons Corner, VA. Core stack is Node.js/Express with TypeScript, PostgreSQL and NoSQL databases, deployed on AWS with Git-based CI/CD.
Senior Backend Engineer - Real-Time Health Data
Syntrace (via its Lingo digital health platform) is hiring a Senior Backend Engineer in Barcelona to design scalable, secure, resilient backend systems for real-time biosensor data analytics, leading high-performance APIs, event-driven services, and data integrations alongside Product, Mobile, SRE, and Data/ML teams.
Senior Backend Engineer - Real-Time Biosensor Data
Senior Backend Engineer at Hedon Technologies (Lingo digital health platform) designing, implementing, and optimizing scalable microservices and APIs that process real-time biosensor data to deliver live health insights, while collaborating with Product, Mobile, SRE, and Data/ML teams in a HIPAA/GDPR-compliant environment.
Azure Backend Engineer - Cloud Native & AI-Assisted Development
Backend engineer (Madrid) building cloud-native APIs, microservices and integrations on Azure (.NET/C#, Azure Functions, AKS, Service Bus, Logic Apps, Key Vault), using AI coding assistants like GitHub Copilot and Claude Code as a routine part of the development cycle.
Remote.NET Backend Developer — Flexible Hours + Perks
Backend developer at ALTECH in Barcelona building applications with .NET Framework or .NET Core, working with multidisciplinary teams to define requirements. The role values 2-5 years of experience, SQL/NoSQL knowledge and Scrum, with flexible hours and the option to telework.
Senior.NET Backend Developer
Senior .NET backend developer based in A Coruña (hybrid) developing and evolving C#/.NET services for an international company's own product, including modernizing legacy components to modern .NET. Day to day covers event-driven microservices, SQL Server data access, REST APIs, code reviews, and production incident handling.
Senior.NET Backend Developer
Senior .NET Backend Developer in A Coruña (hybrid) at tech boutique 3MT Global Services, building and maintaining C#/.NET services for an international client's own product and modernizing legacy components to modern .NET. Day-to-day: functional analysis, technical design, end-to-end delivery, code reviews and production support.
Backend Developer (C.NET)
Backend Developer in SKIDATA's Madrid team building custom C#/.NET integrations that connect third-party systems with SKIDATA's access-solution products, using REST, SOAP, gRPC, RMQ and sockets. Owns projects from design through delivery, supports partners and regional colleagues; hybrid work, English and Spanish required.
Backend Developer - International Project
Though titled 'Backend Developer', the description is for a fully remote Project Manager driving international market-expansion projects for a fast-growing e-commerce client: market research, budgets, cross-functional coordination, and launches (initially the Canary Islands), using PM tools like Asana and Jira.
Senior backend dev
Hasten Group is hiring a mid-senior, full-time developer in Madrid (on-site). The title says senior backend, but the body describes building web applications and integrating APIs; the required skills (Spark, Scala, PySpark, Hadoop, Hive, Impala, AWS) point toward big-data engineering.
Desarrollador Backend - Full Presencial en Gorbernador Crespo (Santa Fe)
Nos encontramos en la búsqueda de Desarrollador Backend con conocimientos en IA para importante empresa industrial de Santa Fe. 📍 Modalidad 100% presencial en Gobernador Crespo (provincia de Santa Fe) 🕘 Horario: de…
Java Back-End Developer Pleno | Remote
Desenvolver funcionalidades e serviços, atuando nas demandas planejadas para cada Sprint; Participar das atividades de análise, desenho técnico, desenvolvimento e testes das soluções; Implementar regras de negócio e…
Senior Backend Engineer
About the job Senior Backend Engineer |100% Remote | India We are searching for a seasoned Sr Backend Engineer who will be responsible for developing and maintaining our backend systems, ensuring their efficiency,…