Software Engineer

Apex Systems US

London, United Kingdom

3 weeks ago

Job Type: Contract
Work Pattern: Full-time
Work Location: On-site
Seniority: Mid
Education: Degree
Posted: 23 Apr 2026 (3 weeks ago)

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Job Type: Contract
Work Pattern: Full-time
Work Location: On-site
Seniority: Mid
Education: Degree
Posted: 23 Apr 2026 (3 weeks ago)

Save job

Create job alert

Role Title / Position: Software Development Engineer

Type : Contract

Duration:12 months

Location : London (EC2A 2FA), UK

Hybrid / Onsite : 5 days required onsite.

Job Description:

Must Haves :

* Strong backend experience (Java)

* Infrastructure as Code experience (AWS CDK preferred)

* Deep AWS knowledge

* Understands how AWS deploys and manages infrastructure

* Experience operating production systems

* Availability

* Metrics

* Alarms

* Incident awareness

* Strong understanding of distributed systems

* Comfortable making independent production changes

* Familiar with:

* DNS

* TLS

* Load balancing (conceptual understanding is required)

What You'll Do

• Design, build, and deploy backend services and infrastructure that power Prime Video's network edge

• Work on Operational Efficiency and maintaining availability and security

• Participate in on-call rotations and operational excellence practices

Basic Qualifications

• Professional software development experience

• Proficiency our two primary languages (Java, 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)

Preferred Qualifications

• 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

• Familiarity with edge computing, request routing, or content delivery architectures

• 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

L5 Expectations

• 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

Thanks

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