Top Staff Software Engineer Jobs in Los Angeles, CA

Lead and build a new Trust & Safety engineering domain: design and implement systems to detect and mitigate fraud, billing anomalies, and credential abuse. Architect product and operational solutions, mentor engineers, define processes, and deliver scalable, auditable safety tooling across internal and external workflows.

Lead design and operation of test infrastructure at scale: test orchestration, smart selection, parallel sharding, flaky-test detection, observability, SLOs, and on-call. Define technical strategy, drive cross-team projects, mentor engineers, and reduce test feedback time to accelerate engineering velocity.

Lead architecture and multi-year technical strategy for financial data pipelines and reporting. Design and deliver backend services in Go, ensure accuracy, timeliness, and auditability of financial data, and partner with Finance/Accounting/Tax to translate regulatory requirements into scalable systems. Mentor senior engineers and set architectural standards across Financial Engineering.

Join MongoDB's Query Execution team to improve the database's core execution engine, build high-performance query features, and mentor team members. You will drive roadmap initiatives and ensure production-ready code for complex analytical workloads.

The role involves owning the architecture and technical direction of Payment Rails infrastructure, designing high-reliability systems for global payment processing, and leading cross-functional collaborations to create efficient, compliant solutions. Responsibilities also include mentoring team members and enhancing operational excellence through AI-driven improvements.

Lead architecture and technical direction for Payments platform, building scalable, fault-tolerant distributed systems, defining roadmaps, ownership of production reliability, cross-functional partnership, and mentoring engineers to improve platform quality and scalability.

Own reliability, monitoring, and incident response for AI infrastructure; build automation and CI/CD tooling; manage Kubernetes/Docker production workloads; partner with infrastructure, security, and compliance; improve observability and documentation; develop internal full‑stack tooling in Go or Python.

Lead development of Riot Esports web applications using web technologies; provide technical leadership, architecture, mentorship, cross-functional collaboration, on-call incident response, and own long-running features from planning through release.

Lead console development for an unpublished game. Collaborate across teams, solve technical problems, optimize performance, and mentor new engineers.

As a Staff Software Engineer at Riot Games, you'll enhance developer experience and efficiency across VALORANT by designing tools, mentoring junior engineers, and influencing best practices in a collaborative environment.

Lead front-end technical strategy for Coinbase Advanced trading platform: define and execute a scalable roadmap, deliver a low-latency interface across web and mobile, mentor engineers, anchor complex projects, and ensure high standards for code quality and system design.

Lead technical strategy for Solana staking at Coinbase, optimizing validator performance and driving cross-product integration while mentoring engineers.

Lead architecture and delivery of Control Center platform capabilities (MCP tool registries, AI orchestration, access automation). Design agentic AI integrations, HITL workflows, and evaluation/guardrail frameworks. Own backend services, SLOs, observability, incident response, and operational readiness for Tier-1 systems. Drive cross-team technical direction, author TDDs, run design reviews, mentor engineers, and partner with Product and Security to deliver secure, scalable platform primitives.

Design and implement AI systems for customer support and compliance, architect solutions, mentor team members, and manage project deliverables.

Lead the technical strategy for Coinbase's Data Platform, architecting data systems for AI/ML workloads and ensuring data reliability, performance, and cross-functional alignment.

Lead technical strategy and architecture for Coinbase Payments, building high-availability, low-latency payment rails and funds-flow systems. Drive cross-team initiatives, enforce financial correctness (idempotency, reconciliation, auditability), improve reliability and cost efficiency using observability data, mentor senior engineers, and align stakeholders across product, risk, and compliance to deliver scalable global payment solutions.

Lead technical execution and architecture for data-centric solutions: acquire, harmonize, store, process, analyze, and disseminate sensor/telemetry data. Serve as thread lead/Product Owner, define enterprise strategy, govern data standards, collaborate with stakeholders, and support risk mitigation and roadmap alignment. On-site role requiring active Top Secret clearance and SAP access.

Lead design and build of greenfield ERP and Salesforce integrations, own money-movement and payment logic, make architectural decisions, write production backend code, document standards, and act as a hands-on technical lead shaping team and systems.

Design and own clinical data extraction architecture and document intelligence pipelines to ingest, parse, normalize, and enrich unstructured and structured healthcare data at scale. Build resilient ingestion and extraction services, establish data quality standards, influence cross-functional technical strategy, and mentor engineers to improve clinical data availability for product and analytics.

Lead architecture and implementation of MarTech measurement, attribution SDKs (iOS/Android), server-side event delivery, and marketing operations tooling. Own roadmap, set standards, build APIs/services, and enable AI-native marketing workflows across Match Group brands.

The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.

Lead the Full Stack Software discipline by defining technical vision, governing tools/processes/training, building a community of practice, enabling sector-wide engineering toolchains, resolving technical shortfalls, embedding lessons learned, and improving software engineering KPIs and interoperability across multiple Aeronautics sites. This is a strategic leadership role focused on governance and enablement rather than day-to-day coding.

Provide software assurance support across programs: improve processes, deliver training, update Everything-as-Code for the Secure Software Factory, and assist Chief Engineers on airworthiness, software system safety, nuclear surety, and security. Collaborate with other disciplines to enable communication, cross-training, and program-level software assurance activities.

Lead design and implementation of cloud-based backend systems for global antenna scheduling, customer-facing APIs, billing/metering, and orchestration. Build reliable, scalable control and data planes across cloud and on-prem, collaborate with customers and operations, and enable secure TT&C and payload data transfer.

Design and own an immutable, event-oriented accounts and ledgering system for RCM. Build idempotent posting/adjustment pipelines, reconcile billed charges, remittances, and bank deposits, ensure report consistency, operate money-critical Postgres systems, and set observability, security, and operational standards while mentoring senior engineers.