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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Apex Systems Inc - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Artificial Intelligence, Amazon Web Services, Amazon Elastic Compute Cloud, Authentication Protocols, Unit Testing, Command-Line Interface, Cloud Computing, Profiling, Code Review, Computer Networks, Continuous Delivery, DDoS Mitigation, Linux, Distributed Systems, Domain Name System (DNS), Amazon DynamoDB, Push Technology, Networking Basics, Performance Tuning, Shell Script, Software Engineering, TypeScript, AWS Cdk, Transport Layer Security, Load Balancing, Amazon ElastiCache, Concurrency, Backend, Kotlin, Low Latency, Deployment Automation, Functional Programming, Software Coding, Code Restructuring - **Published:** September 8, 2026 - **Apply:** https://www.collegerecruiter.com/job/2850542525-senior-software-engineer ## About the Role * Proficiency with Java, Kotlin and TypeScript * Experience designing and building distributed systems or backend services * Experience with cloud infrastructure (AWS - e.g., Ec2, NLB, ElastiCache, Lambda, DynamoDB) * Experience with infrastructure-as-code (AWS CDK) * Strong understanding of networking fundamentals (DNS, HTTP/TLS, load balancing) * Experience operating and maintaining production software, including monitoring, alarming, and incident response * Linux/UNIX proficiency (command-line tools, shell scripting), * Experience with high-throughput, low-latency systems at scale * Advanced coding skills including concurrency, profiling, and performance optimisation * Experience with CI/CD pipelines and deployment automation * Experience with security at the network edge (DDoS protection, authentication protocols, TLS termination) * Demonstrated best-practice software engineering: unit testing, code reviews, refactoring, continuous deployment * Responsibly leverages AI, using it effectively for high productivity without compromising availability or OE burden * Owns and delivers medium-complexity features independently with minimal guidance * Writes high-quality code and uses Agents to write high quality code and participates actively in code reviews * Operates effectively in ambiguous situations and asks the right questions to unblock themselves * Contributes to operational excellence - dashboards, runbooks, alarm tuning * Communicates clearly with the team on progress, blockers, and technical trade-offs ## Description We are hiring an L5 Software Development Engineer (contractor) in London to join the Prime Video Edge Platform team. The Edge Control team accelerates builders by centralising undifferentiated effort, providing a suite of capabilities to safely control and configure Prime Video clients. We ensure client interactions with Prime Video's global infrastructure are reliable, cost-efficient, measurable, and fast. Our services enable safe management and release of client configurations, delivery of push notifications, and power the end-to-end observability and intelligent client-driven traffic routing with automated failover capabilities. We accelerate teams across Prime Video in deploying native AI solutions through providing a remote platform to rapidly and reliably host remote MCP tools. You will work within the Edge Control team to build and operate mission-critical services using AWS-native technologies at scale. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)