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Senior .NET Backend Engineer: API & Integrations (Remote)
Senior backend engineer building and maintaining high-performance C#/.NET services and secure REST APIs for an eProcurement SaaS platform. Day to day: owning ERP, procurement and finance system integrations, handling OAuth/OpenID security, and driving reliability. Remote-first in the UK with occasional London office meetings.
Senior Backend Engineer – Kotlin/Spring | Hybrid London
Senior Backend Engineer at a fast-growing AI infrastructure company (hired via Understanding Recruitment), building scalable backend features with Kotlin/Spring and improving performance. Hybrid role based in London with flexible home working and office days, shaping technical direction alongside engineers across Europe.
Senior Backend Engineer (Scala/TS) - Hybrid, Journalism Tech
Senior backend engineer on The Guardian's Apps Experience team (12-month fixed-term contract, hybrid in London), writing functional Scala back-ends and TypeScript front-ends running on AWS, in a cross-functional team working alongside journalists and influencing product decisions.
Senior Backend Engineer
Have you worked in a fast-paced start-up environment? Senior Backend Engineer – AI transforming the future Location: Hybrid in London approx. 1-2 days a week (flexible work hours) We are very excited to have just…
Senior Backend Engineer - Hybrid Edinburgh, Progression
Senior Backend Engineer at The Opportunity Hub UK Ltd in Edinburgh: owning backend architecture, delivering scalable services, collaborating with product/frontend teams, improving deployment pipelines and mentoring juniors. Core tech includes Node.js, Python, Java or Go plus cloud experience on AWS, Azure or GCP; hybrid on-site working.
Senior Backend Engineer
Senior Backend Engineer for a growing Edinburgh SME: designing and owning backend services end to end — from database schema and API design to deployment pipelines and monitoring — while mentoring engineers and diagnosing production issues. Built with Node.js, Python, Java, or Go on AWS, Azure, or GCP, working hybrid from Edinburgh.
Senior Backend Developer
Senior backend developer (12-month fixed contract) on the Guardian's Apps Experience team, building digital journalism products and internal editorial tools. Mostly Scala and TypeScript running on AWS, in a collaborative cross-functional team with a hybrid setup in London (1 day/week in the Kings Cross office).
Senior Backend Engineer
Senior Backend Engineer building a B2C commerce platform from the ground up. Responsibilities include end-to-end ownership of backend systems, architecture, and production-grade deployment, potentially using Go, AWS, and Kubernetes.
Senior Java Backend Developer
Role Overview We are looking for an experienced Senior Java Backend Developer with strong expertise in Java 17+, Spring Boot 3.x, REST API development, and Microservices Architecture . The ideal candidate will be…
Senior Java Backend Developer
Responsibilities Design, develop, and deploy scalable microservices using Java 11/17, Spring Boot, and Spring Cloud. Build secure RESTful APIs and integrate backend services with core banking systems, payment gateways,…
Desarrollador Backend Senior - Azure Cloud & IA
Senior backend developer role focused on building and deploying cloud-native services on Azure, integrating OpenAI for enterprise-grade scalability and performance. Hybrid on-site position in Buenos Aires (2 days remote per week), working alongside data and DevOps teams.
Desarrollador Backend Mid / Senior
Backend Engineer (mid/senior, 4+ years) building services with Node.js/NestJS and C#/.NET microservices on AWS (ECS/Fargate, Lambda, SQS), plus legacy work (ASP.NET MVC5/Web API 2, WCF/SOAP) and SQL Server, MongoDB, and DynamoDB data stores. Hybrid role based in San Isidro, Peru, hired via Coforge.
Desarrollador Backend Senior
Senior Backend Developer building cloud-native applications, integrations and CI/CD pipelines on Microsoft Azure, including Azure OpenAI-powered features, containerized services (Docker) and relational/NoSQL databases. On-site role in Buenos Aires (2 remote days) working for one of Analytixcg's clients.
Senior Backend Engineer
About Huskeys Huskeys is reimagining web application protection for the modern era. We built the first Agentic Network Security Control Plane: an AI-powered mitigation layer that works with any existing WAF, so…
Backend-Entwickler (m/w/d)
Backend developer at S-KON Gruppe in Hamburg building high-performance e-commerce solutions and shop systems integrated with internal ERP systems and CMS components, working on both client projects and own internal products. Core stack: Golang or Symfony on the backend with React frontend, Git, cloud and Docker.
Senior Backend & AI Platform Developer
Senior Backend Developer – AI, APIs & LLM Integration Location: Remote Timings: 4 pm - 12 am (Monday to Friday) Employment :Type Full-Time / Contract About The Role We are seeking an outstanding Backend Developer who…
Senior Backend Engineer (C#/.NET) - Asset Mgmt, Sweden
12-month engagement via Datamatics Global Services for a Swedish asset-management client: a senior backend developer building robust C#/.NET services with SQL Server data modeling and complex integrations, delivered DevOps-style (CI/CD, IaC) in on-premises Microsoft environments within agile teams.
Senior Backend Developer
12-month contract role for a Swedish asset-management client: develop and maintain C#/.NET backend applications, SQL Server databases, complex integrations, and CI/CD/DevOps pipelines in an on-premises Microsoft environment. Swedish language is mandatory; frontend skills (React/Angular/Vue/Blazor) are a plus.
Senior Java Backend Developer - 883 (Chicago)
Senior Java backend developer on an Agile/Scrum team in Chicago (or Peoria, IL): designs, codes, tests, and deploys complex Java applications on AWS (ECS, Lambda, CloudFormation), oversees database changes and security measures, and supports CI/CD pipelines with relational/NoSQL datastores. Requires 8+ years of Java and software development experience.