Top Software Engineer Jobs in Edinburgh

The Junior Ubuntu Software Engineer will design, build, and ship software, focusing on quality and resilience, while engaging with the open source community.

Lead Mark43's AI-enabled engineering initiative by designing and orchestrating multi-agent systems that plan, write, review, test, and deploy software. Write prompts, scaffolding, and tool integrations (VCS, test runners, internal APIs), evaluate agent performance, prototype LLM-based workflows, collaborate cross-functionally, mentor teammates, and contribute to on-call rotations.

Designs, develops, and operationalizes large-scale backend, API, graph, AI, and machine learning solutions. Responsibilities include technical leadership, cloud-native architecture, roadmap development, testing, code reviews, mentoring, recruitment, stakeholder communication, and improving engineering processes. The role requires extensive Java and Spring experience, AWS cloud development, RESTful APIs, stream processing, low-latency applications, generative and agentic AI, and strong software delivery practices.

Build and productionize tooling that compiles complex Python packages such as NumPy, SciPy, and PyTorch from source. Develop conda recipes, build tools, automation, and release processes; partner with packaging and distribution teams; mentor engineers; and lead postmortems, capacity planning, and incident response. The role also shapes technical strategy, architecture, project scope, and delivery decisions for build and distribution infrastructure.

Design and build GitLab Duo CLI features in TypeScript, shape AI-assisted developer experiences, improve CLI reliability, observability, and performance, collaborate across Developer Clients, and provide technical leadership and mentorship.

Design and operate scalable backend services for the complete customer order lifecycle, including creation, fulfilment, and completion. Build Java or Kotlin microservices, GraphQL and REST APIs, and Kafka-based event-driven workflows across payments, pricing, and fulfilment. Develop resilient, low-latency systems using distributed databases, caching, and modern architecture patterns while collaborating with product, engineering, architecture, and business stakeholders.

Design, build, and operate scalable backend services for the complete customer order lifecycle. Develop Java/Kotlin microservices, GraphQL and REST APIs, and Kafka-based event-driven workflows supporting high-volume transactional systems across payments, pricing, and fulfilment. Apply distributed systems, caching, resilience, and low-latency architecture patterns while collaborating with product, engineering, architecture, and business stakeholders.

Build and maintain production REST APIs using Java 21 and Spring Boot while developing AI-powered portal features with Python on GCP. Responsibilities include creating MCP and agent tooling, shipping LLM-backed products, managing Kubernetes and cloud services, modernizing legacy Java systems, conducting code reviews and testing, and advancing AI-assisted development practices across the engineering team.

Develop and maintain automated testing and infrastructure for Sophos’s Linux Behavioural Engine. Responsibilities include managing Buildkite CI, AWS environments, Kubernetes clusters, infrastructure as code, and multi-distribution Linux test coverage. The role involves writing component, integration, end-to-end, and stability tests; investigating flaky tests; improving observability; and collaborating with developers and release engineering on testability and release readiness.

Build and maintain the control planes, automation, and observability for a global fleet of machines. Develop production-quality Go services for provisioning, health checks, upgrades, and incident remediation. Architect high-throughput, low-latency networking, improve utilization and power-to-performance, and collaborate with product and platform teams on storage-aware scheduling and developer-facing features.

Design, build, and maintain backend API and database services for a cloud PBX platform. Drive architecture, performance optimization, debugging, CI/CD and test automation, and collaborate with QA. Mentor peers and raise engineering standards while safely evolving high-load, networked systems.

Build and operate scalable, low-latency APIs, event-driven services, integrations, and web applications supporting membership and loyalty experiences. Integrate and extend Antavo with commerce, CRM, CDP, marketing, and data platforms. Apply distributed-systems, reliability, observability, and security practices; troubleshoot production issues; contribute to reusable engineering assets; and mentor junior engineers.

Leads quality engineering for consumer-facing web and mobile experiences. Designs scalable automation frameworks, develops functional, API, integration, regression, and end-to-end test suites, and integrates quality gates into CI/CD pipelines. Validates accessibility, performance, reliability, and cross-device behavior; investigates defects, analyzes quality metrics, and drives continuous improvement. Collaborates with product and engineering teams, mentors engineers, and applies AI-assisted testing practices.

Design, build, optimize, and support scalable consumer-facing mobile applications across iOS and Android using React Native, TypeScript, and JavaScript. Develop native integrations, reusable components, secure architectures, API integrations, automated testing, CI/CD pipelines, and production monitoring. Collaborate cross-functionally, contribute to releases and Agile delivery, mentor engineers, conduct code reviews, and drive mobile engineering excellence, accessibility, performance, and reliability.

Associate software developer who will train and join a specialized software team, contributing to design, development, testing, debugging, deployment, and maintenance of software applications. The role involves collaboration across hardware, embedded software, integration, algorithms, and AI/ML teams; completing assigned work; and documenting technical work and learnings.

9-month full-time software engineering placement contributing to product development: implement features, improve scalability, performance, maintainability and internationalisation, participate across full feature lifecycle, learn from a mentor, and work across the stack (frontend, backend, testing, Azure). Ideal for someone starting a software career.

Build and maintain Clojure-based software to accelerate medical device regulatory approvals. Work cross-functionally to deliver high-quality safety assessments, ship features quickly, and support product growth. Remote-first, collaborative environment with occasional in-person weeks in London.

Lead and grow a high-performing full-stack engineering team to deliver unified web customer experiences. Mentor engineers, enforce engineering best practices, collaborate with product and delivery teams, and drive solution quality across React/.NET applications while supporting learning and professional development.

Build and operate Grafana Labs' bare-metal platform: provision storage, networking, and Kubernetes clusters; manage cluster networking, scheduling, autoscaling; maintain Crossplane compositions and Terraform modules; collaborate with application teams and participate in on-call rotation to ensure reliable, scalable platform operations.

Work as part of an agile team to design, develop, document and test frontend features for a mission-critical call-taking and dispatch platform. Build high-quality JavaScript/React/TypeScript user interfaces, collaborate with product and test engineers, follow modern development practices (SOLID, Git, pull requests), and support an expansion product while occasionally travelling to UK offices.

Responsible for designing and implementing authentication features in Go and TypeScript, enhancing Auth architecture, and collaborating with teams to improve user experience.

Join Uncountable's Implementations Engineering team to build software that integrates R&D lab instruments with their platform, working closely with customers and developing automated data pipelines.

Lead a multidisciplinary team in AI-augmented software delivery, solving technical problems and fostering stakeholder relationships while embracing adaptability and continuous learning.

Design, maintain, and scale backend services and APIs connecting Phantom Cash to blockchains. Build reliable event-driven systems with REST APIs, distributed-system patterns, retries, idempotency, and data consistency. Collaborate across teams, document decisions, mentor engineers, and improve engineering standards. The role also involves blockchain integrations, operational ownership, observability, and delivering dependable financial products in a remote crypto environment.

Freelance software developer responsible for designing, developing, testing, and maintaining high-performance applications. Collaborate with cross-functional teams to deliver innovative, client-focused solutions on a remote, on-demand platform.