Top Software Engineer Jobs in Los Angeles, CA

Develop and maintain software applications using Python, Java, JavaScript, and AI-enabled technologies. Translate business requirements into technical designs, build microservices and enterprise integrations, debug and test code, support CI/CD releases, troubleshoot issues, and apply quality standards. Collaborate with stakeholders, interpret data, contribute to solution design, improve user experience, manage workstreams, and mentor junior team members.

Leads software engineering workstreams and develops, reviews, tests, and releases applications across web, mobile, and enterprise platforms. Guides project planning, budgeting, delivery, and issue resolution while applying AI-enabled solutions and improving software quality. Translates business requirements into technical designs, mentors developers, manages client expectations, and supports CI/CD, architecture, and product innovation.

Build and maintain a unified frontend platform for rocket factory operator applications. Develop React modules, shared components, design system features, and real-time telemetry interfaces. Migrate features from separate frontends, optimize live-data rendering, and contribute to shared architecture and code reviews. Collaborate with senior engineers while improving frontend performance, state management, and platform scalability.

Lead a highly technical backend engineering team building scalable SaaS systems and AI-powered accounting automation. Responsibilities include mentoring senior engineers and tech leads, resolving complex technical issues, guiding architecture and system design, reviewing code, operating distributed production systems, and driving AI-assisted software development using tools such as Cursor and Claude Code.

Build scalable backend applications, APIs, shared AI services, agent frameworks, and integrations supporting Snap’s CRM, advertising, sales, and go-to-market systems. Develop AI-powered workflows, Salesforce and enterprise SaaS integrations, and production services across cloud infrastructure. Own features end to end, including design, implementation, testing, deployment, monitoring, troubleshooting, and support. Collaborate with product, engineering, and business teams while improving system performance, reliability, security, and CI/CD practices.

Lead end-to-end flight software development for autonomous spacecraft, including mission operations tools, ground services, embedded vehicle software, telemetry, commanding, testing, simulation, and flight readiness. Collaborate with avionics, propulsion, GNC, and systems teams to define interfaces and data models. Support CI/CD, software- and hardware-in-the-loop testing, environmental testing, and flight campaigns in a fast-moving, on-site aerospace startup environment.

Administer and maintain Millennium's Atlassian/JIRA environments (production, dev, test); build projects, workflows, permissions; monitor server health; perform data migrations; provide user support and training; prepare documentation and coordinate upgrades and maintenance with IT.

Own and define Dubsado’s data infrastructure strategy, including pipelines, warehouse reliability, analytical modeling, data quality, observability, and tooling standards. Build scalable data systems, collaborate with engineering, product, and business teams, and support AI agents, customer-facing features, and internal users. Serve as the initial dedicated data specialist, operating autonomously while gradually distributing data quality ownership across engineering.

Leads the technical vision, architecture, and development of a high-fidelity spacecraft simulation platform. Designs multi-physics models, numerical solvers, APIs, and scalable real-time or batch simulation infrastructure using C++ and Python. Establishes verification and validation practices, engineering standards, and software quality expectations. Partners with GNC, mission planning, autonomy, and systems engineering teams while mentoring engineers and guiding cross-functional technical direction.

Build and own integrations between Axle Health and EHR/EMR systems, including legacy platforms with inconsistent APIs. Scope projects, make technical decisions, manage timelines, resolve customer issues, coordinate with vendors, and provide production support. Develop scalable, secure backend services, monitoring, resilience, documentation, and high-quality code for high-volume healthcare data systems.

Leads the engineering team building Circle’s customer onboarding and lifecycle management platform. Responsibilities include developing scalable onboarding automation, customer lifecycle capabilities, partner-facing APIs and SDKs, compliance tools, and product-specific verification workflows. The role owns architecture, reliability, security, operational excellence, cross-functional delivery, hiring, coaching, and development of senior and staff engineers across risk, compliance, fraud, product, and engineering teams.