Full-Stack Developer — Performance & Observability

*Job Title: Full-Stack Developer — Performance & Observability* *Company: Arch Systems* *Client: ACF - OHS* *Location: Remote* *Position Type: Full-Time * *Role Summary* A full-stack engineer specializing in code-level performance and runtime visibility across *React/Node/Java*. You define error/latency budgets and golden signals, instrument with *OpenTelemetry*, and build *k6/JMeter* CI gates. You implement resilience and caching/pooling/batching, reduce alert noise, and shorten MTTR with solid runbooks—while still shipping product features. Success = faster UX/APIs, fewer regressions, and reliable SLO adherence. *What you’ll do* * Define latency/error budgets; map golden signals end-to-end. * Instrument *React/Node/Java* with *Otel*; build *New Relic* SLO dashboards & alerts. * Create *k6/JMeter* load/regression suites; add CI perf gates. * Profile CPU/memory/IO; fix hotspots via caching, pooling, batching, query tuning, algorithms. * Implement timeouts/retries/circuit breakers; maintain perf runbooks; test failure modes safely. * Reduce alert noise (thresholds, grouping, dedupe) with runbook links; improve MTTR/MTTD. * Lead perf deep dives; manage perf-debt backlog & remediation sprints. * Partner with Product on TTI/TBT/Web Vitals; report measurable wins. * *Full-stack support:* ship features, review PRs with perf focus, mentor on instrumentation. *Minimum Qualifications* Meets Core Full-Stack baseline; 3+ years APM/observability/perf tuning with measured wins. *Preferred Certifications* Google *PCDOE*; AWS *DevOps Pro*; *CKA/CKAD*; vendor APM badges. Job Type: Full-time Pay: $115,000.00 - $125,000.00 per year Application Question(s): * Do you have experience working with HHS or ACF or any Federal Agency? If yes, please mention which one. Experience: * fullstack core: 5 years (Preferred) License/Certification: * AWS DevOps Pro (Preferred) * CKA/CKAD (Preferred) Security clearance: * Confidential (Required) Work Location: Remote