[Remote] Staff Software Engineer (Platform Architecture & Execution Model)

Note: The job is a remote job and is open to candidates in USA. Red Cell Partners is an incubation firm focused on building and investing in scalable technology-led companies in healthcare, cyber, and national security. The Staff Software Engineer will be responsible for the core execution model and platform architecture of Trase OS, ensuring system correctness, scalability, and extensibility while defining abstractions and APIs for connecting various workflows and tools.ResponsibilitiesDevelop the core execution model (state machine, lifecycle, resource model, failure semantics)Design platform APIs/SDKs connecting workflows, agents, tools, and product surfaces; drive versioning & compatibilityGuarantee correctness via idempotency, deterministic replays, compensating actions, and data integrityEngineer reliability at scale: concurrency controls, rate limits, backpressure, sharding/partitioning, and workload isolationBuild security & governance into the core: RBAC/ABAC, policy enforcement, fine-grained audit & lineageDeliver observability: distributed tracing, structured logs, metrics, and evaluation hooks; build an “explainable trail” of agent actionsOwn quality: design reviews, test strategy (unit, property, chaos), performance baselines, SLOs, incident response, and postmortemsMentor & unblock senior engineers; partner with Product, Security, and Customer teams to translate requirements into durable primitivesMake pragmatic choices on storage, queueing, and compute; create paved roads that accelerate all other teamsDefine system boundaries and reduce cross-service coupling through clear architectural patternsDrive platform-wide standards for correctness, reliability, and API design across teamsBalance short-term delivery with long-term architectural integrity, ensuring the platform evolves without accumulating systemic riskSkills10+ years of experience building distributed/platform systems, including significant experience defining architecture across teams or domainsExperience building mission-critical runtimes or workflow/orchestration systemsDeep expertise with durable execution (e.g., state machines, event sourcing, saga/compensation, idempotency, exactly/at-least-once semantics)Proven track record with security & governance in production systems (auth, RBAC, audit, policy)Hands-on with observability (Grafana or equivalent), including trace correlation across async boundariesStrong systems design across storage, queues, schedulers, and evented architectures; performance tuning under loadExcellence in a modern language (e.g., Go, Rust, Java, or TypeScript) and cloud-native stacks (containers, CI/CD, IaC)Comfortable operating in regulated or high-assurance environments; bias toward correctness, clarity, and documentationProven ability to influence technical direction across an organization and drive adoption of architectural standardsAbility to incorporate advance LLM capabilities into system design and platform architecture decisions where appropriatePrior work on workflow engines (Temporal/Cadence/AWS Step Functions, Argo, Airflow) or serverless runtimesExperience with policy engines (OPA), secrets/KMS, or data-handling controls (PII/PHI)ML/LLM evaluation frameworks, tool/plugin architectures, or embedding model governance into executionGovernment or healthcare experience (HIPAA, audit readiness) and multi-tenant isolationBenefitsCareer track opportunity with potential for rapid advancement withstrong performanceas the firm grows100% employer paid, comprehensive health care including medical, dental, and vision for you and your family.Paid maternity and paternity for 14 weeks at employees' normal pay.Unlimited PTO, with management approval.Opportunities for professional development and continued learning.Optional 401K, FSA, and equity incentives available.Mental health benefits are available through Tara Mind.Cost effective GLP-1 solutions available throughCrux.Company OverviewRed Cell Partners uniquely positioned at the creative intersection of investing and national security. It was founded in 2020, and is headquartered in Washington, District of Columbia, USA, with a workforce of 51-200 employees. Its website is https://www.redcellpartners.com.Company H1B SponsorshipRed Cell Partners has a track record of offering H1B sponsorships, with 1 in 2025, 1 in 2023, 1 in 2022, 1 in 2021. Please note that this does not guarantee sponsorship for this specific role.