{"id":2724896,"url":"https://alion.io/job/svitla-systems-senior-software-development-engineer-in-test-sdet","title":"Senior Software Development Engineer in Test (SDET)","company":{"id":2216,"name":"Svitla Systems","domain":"svitla.com","url":"https://alion.io/company/svitla-systems","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"B","score":79,"open_postings":7,"ghost_share":0,"stale_share":0.857,"repost_share":0,"time_to_fill_p50_days":45,"computed_at":"2026-10-17T05:46:00Z"}},"role":"QA","role_family":"QA","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_regions","remote_scope_basis":"inferred_payroll_markers","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["DE","FR","GB","AT","BE","BG","HR","CZ","DK","FI","HU","IE","IT","NL","NO","PL","RO","ES","SE","CH","EE","GR","IS","LV","LI","LT","LU","MT","PT","SK","SI"],"hiring_countries_total":31,"salary":null,"salary_estimate":{"min_usd":70000,"max_usd":168000,"period":"year","method":"global_role_seniority_cell","sample_n":1081},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Amazon CloudWatch","optional":false},{"name":"Amazon Kinesis","optional":false},{"name":"AWS","optional":false},{"name":"AWS Lambda","optional":false},{"name":"CI/CD","optional":false},{"name":"Datadog","optional":false},{"name":"DynamoDB","optional":false},{"name":"ElasticSearch","optional":false},{"name":"Grafana","optional":false},{"name":"JavaScript","optional":false},{"name":"Linux","optional":false},{"name":"Node JS","optional":false},{"name":"Python","optional":false},{"name":"React.js","optional":false},{"name":"Rest API","optional":false},{"name":"Rust","optional":false},{"name":"Snowflake","optional":false},{"name":"Terraform","optional":false},{"name":"TypeScript","optional":false}],"status":"live","first_seen_at":"2026-10-16T14:34:14Z","employer_posted_date":"2026-10-16","last_verified_at":"2026-10-18T08:28:14Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Svitla Systems Inc. is looking for a Senior Software Development Engineer in Test (SDET) for a full-time position (40 hours per week) in Europe. Our client is a leading provider of video analysis solutions for loss prevention and security.\nYou will join the client’s Device Management team. This is an engineering role first: you will design and build test automation frameworks, tooling, and infrastructure that let the whole team ship confidently at speed, writing production-quality code against Rust/Node.js APIs, a React front end, and AWS serverless infrastructure. You will work as a peer to developers, with significant latitude to shape how the team approaches testing, from framework design and CI/CD integration to simulating thousands of IoT devices and video streams in a repeatable, automated way.\nRequirements\n5+ years of experience in software testing with strong hands-on coding ability (this is a build-things role, not primarily a manual-execution role).\nStrong programming skills in Python, plus working proficiency in TypeScript/JavaScript and/or Rust, sufficient to build and maintain real test infrastructure and tooling.\nDemonstrated experience designing and building test automation frameworks from the ground up (API, UI, or integration layers), not just using existing ones.\nComfort working in Linux environments.\nSolid understanding of AWS services (Lambda, DynamoDB, SQS, Kinesis, or similar) and how they underpin distributed, serverless SaaS applications.\nExperience integrating automated tests into CI/CD pipelines and treating test infrastructure as a first-class engineering deliverable.\nAbility to read and reason about production code, participate meaningfully in code reviews, and collaborate with developers as a technical peer.\nSystems thinking, including the ability to reason about distributed, event-driven, and resilience-focused architectures.\nExcellent communication skills, with the confidence to give direct, technically substantiated feedback to developers and stakeholders.\nBachelor’s degree in Computer Science or a related field, or equivalent practical or engineering experience.\nWill be a plus\nExperience with Infrastructure as Code tools (CDK, Terraform, Serverless Framework) for provisioning test environments.\nExperience with IoT device communication protocols and building device simulators for test purposes.\nExperience with video development, video streaming technologies, or testing video pipelines.\nFamiliarity with production monitoring and observability tooling (e.g., Datadog, Grafana, CloudWatch).\nExperience with Snowflake, Elasticsearch, or other cloud-native data platforms.\nContributions to open-source testing and automation tools, or strong personal projects demonstrating framework design skills.\nPrior experience in a fast-growing SaaS environment.\nInterest in eventually contributing to product code, or a background that blends SDET and full-stack development work.\nResponsibilities\nAutomation framework and tooling development\nDesign, build, and maintain automated test frameworks and libraries spanning REST APIs, UI (React), security, and end-to-end and integration layers.\nWrite production-quality code for test harnesses, device simulators, performance tools, and mocks that emulate IoT device behavior and video streams at scale.\nBuild and maintain tooling that improves testability across the stack, including for distributed, event-driven components (Lambda, DynamoDB, SQS, Kinesis).\nIntegrate automated test suites into CI/CD pipelines, optimizing for fast, reliable feedback on every build and deployment.\nEvaluate and introduce new tools, frameworks, and approaches to keep test infrastructure scalable as the platform and team grow.\nEngineering collaboration and architecture\nParticipate as a technical peer in design sessions, RFCs, and architecture discussions, advocating for testability, observability, and reliability from the start.\nReview code and pull requests with an eye toward correctness, edge cases, performance, and long-term maintainability.\nWork closely with backend and frontend engineers to understand system design and build automation that reflects real production behavior.\nContribute to system reliability by supporting monitoring, alerting, and troubleshooting efforts, including issues involving device connectivity.\nTest strategy and coverage\nDesign test plans and strategies for new and existing features, deciding where automation adds the most value versus targeted manual and exploratory testing.\nDrive test coverage for IoT device configuration, monitoring, deployment, and connectivity workflows, as well as video playback, recording, and streaming features.\nValidate distributed cloud systems for correctness, performance, and resilience under realistic and edge-case load.\nOwn test estimation and planning as part of sprint and release cycles, working directly with engineering leads.\nQuality leadership\nAct as a proactive voice for quality across the engineering organization, identifying systemic risks early and proposing engineering solutions (not just flagging bugs).\nMentor other engineers and QA team members on automation practices, framework usage, and testable design.\nProvide direct, technically grounded feedback to developers and stakeholders when quality or architecture decisions are at 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