Senior Software Engineer (Former Amazon SDE 2+ Required)

Senior Software EngineerWe are seeking a Senior Software Engineer to join a high-impact engineering team supporting a mission-critical, real-time analytics platform within a large enterprise environment.This role requires a former Amazon engineer who can quickly ramp up and contribute to a complex engineering ecosystem. The ideal candidate will have experience working as an internal Amazon employee, preferably at the SDE 2 level or above, with strong expertise in backend software engineering, distributed systems, and large-scale production environments.The engineer will partner closely with senior engineering leadership to enhance and maintain a mature legacy system with a significant operational footprint while also contributing to the design and implementation of a new streaming architecture.This is an excellent opportunity for a senior engineer who enjoys:Working at scaleImproving complex legacy systemsBuilding reliable backend servicesSolving challenging distributed systems problemsWorking in environments where stability, performance, and operational excellence are criticalNote: Prior internal experience working at Amazon is mandatory for this role to ensure rapid ramp-up and familiarity with Amazon’s internal tooling, engineering practices, and operational expectations.Key ResponsibilitiesPartner directly with senior engineering leadership to support and enhance a large-scale, real-time log and analytics platform.Analyze, improve, and maintain a mature 20+ year legacy codebase with limited documentation and high complexity.Identify technical risks, modernize patterns where appropriate, and improve system reliability and maintainability.Contribute to the architecture, design, and implementation of a new streaming pipeline and stream-processing capabilities.Build and enhance event-driven backend services designed for high throughput and low latency with strict SLAs.Make high-quality engineering decisions while considering downstream dependencies and system sensitivity.Collaborate with cross-functional teams to ensure operational readiness and stable production deployments.Maintain a strong focus on code quality, testing, performance optimization, and operational excellence.Required QualificationsPrevious internal Amazon experience is required.Former Amazon SDE 2 or above candidates only.7+ years of professional software engineering experience (or equivalent depth of senior-level engineering ownership).Strong experience in backend software engineering (not front-end focused).Must have experience as a Software Engineer, not a Data Engineer.Strong background in high-scale distributed systems and/or real-time data processing.Experience working with complex legacy codebases and delivering safe, high-quality improvements.Experience designing and building actor-based and/or event-driven architectures.Strong software engineering fundamentals, including:Code qualityTesting practicesPerformance optimizationProduction reliabilityOperational excellencePreferred QualificationsExperience building systems requiring:High throughputLow latencyStrict SLAsFamiliarity with AWS CDK or similar infrastructure-as-code tools.Ability and willingness to ramp up on legacy frameworks and technologies.Experience supporting or integrating with A/B testing frameworks or experimentation platforms.Comfortable working in high-sensitivity environments where production changes have significant customer impact.What Success Looks LikeThe successful candidate will:Quickly ramp up and become a trusted contributor within a complex legacy environment.Deliver stable improvements while minimizing regression risk in a high-traffic production system.Contribute effectively to the development of new streaming capabilities while maintaining existing production workflows.Demonstrate strong ownership, curiosity, technical depth, and attention to detail.Collaborate effectively with senior engineers and cross-functional teams.Candidate Requirements SummaryMust Have: Former Amazon employee SDE 2 level or higher Backend Software Engineer (not Data Engineer / not Frontend) 7+ years software engineering experience Distributed systems / real-time processing experience Event-driven architecture experience Able to work hybrid 2 days/week at an Amazon Hub Must work on W2 without sponsorshipRate: $80/hr W2 Interview/Submission Priority: Only qualified, pre-screened former Amazon engineers should be submitted.