Top Senior Software Engineer Jobs in Los Angeles, CA

Develop native iOS, tvOS, and visionOS applications for ABC News products used by millions. Build tested, performant features; integrate backend systems and services; resolve production issues; guide agile development; own feature delivery; and mentor engineers through code reviews and pair programming. Collaborate with technical and non-technical stakeholders to create sustainable solutions and improve team processes.

Lead design, architecture, and implementation of APIs, front-end interfaces, and backend services for satellite and ground systems. Guide Agile/DevSecOps development, CI/CD, automated testing, and security practices; lead code reviews, mentor team members, and own features through full lifecycle to deployment.

Develop and maintain software requirements, architecture, algorithms, interfaces, APIs, backend services, and user interfaces for SATCOM mission-planning systems. Work throughout the Agile and DevSecOps lifecycle, including design, coding, integration, testing, deployment, code reviews, automation, security, and performance improvements. Support CI/CD pipelines, Kubernetes optimization, databases, geospatial visualization, and software for space systems and ground segments.

Design, develop, test, deploy, and support scalable backend services, content workflows, data pipelines, and platform capabilities for Disney’s media supply chain. Build cloud-based services supporting media transformation, video processing, security, and content management. Collaborate with product and platform teams, monitor production systems, optimize performance, and mentor junior engineers.

Design, build, test, scale, and maintain software systems, primarily through Ruby on Rails development. Responsibilities include developing features, expanding applications and services, resolving production issues, conducting code reviews, participating in architecture and design discussions, and collaborating across engineering teams using agile practices.

Designs, develops, and maintains cloud software for space ground systems and operations. Responsibilities include building AWS applications, RESTful APIs, event-driven systems, distributed architectures, CI/CD pipelines, automated testing, and model-based software documentation. The engineer also presents technical recommendations, supports reviews, manages tasking, and mentors team members. The position is onsite in Redondo Beach, California, with 10% travel and potential progression between Level 3 and Level 4.

Design, develop, test, and integrate distributed software for global ground station operations. Build APIs, dashboards, workflow automation, monitoring, and secure interfaces for telemetry, tracking, command, and payload data systems. Conduct post-mission analytics, integrate third-party stations and customer systems, and collaborate with software, networking, and RF/DSP engineering teams to deliver reliable mission-critical infrastructure.

Own performance optimization, reliability, observability, capacity modeling, and automated failover for Coinbase’s blockchain node infrastructure. Diagnose resource bottlenecks, reduce infrastructure costs, define SLOs and SLIs, support protocol upgrades, and improve node performance across distributed systems at scale. Collaborate with protocol integration, wallet, and indexer teams while applying backend programming and systems profiling expertise.

Own and architect the frontend platform for a unified, safety-critical operator interface. Lead application shell, design system, shared data layer, frontend consolidation, performance optimization, real-time telemetry rendering, cross-team technical direction, and mentorship. Build data-intensive applications using advanced state management and streaming technologies.

Own the architecture, scalability, reliability, and delivery of complex software systems. Lead cross-functional technical initiatives, design AI-friendly APIs and agentic workflows, improve performance and cost efficiency, partner with product managers, mentor engineers, influence hiring, and drive engineering quality and technical direction with substantial autonomy.

Build and scale full-stack product features, backend services, APIs, integrations, and user-facing applications. Own projects from technical design through rollout, monitoring, and maintenance. Improve system reliability, scalability, performance, observability, and resilience while mentoring engineers and contributing to architecture and engineering standards. Collaborate with Product, Design, and Engineering to solve ambiguous technical problems, and use AI-assisted development tools to improve software delivery.

Design, build, and operate scalable, secure data platform infrastructure for ingesting, processing, cataloging, and accessing petabytes of data. Improve Spark/Databricks reliability and developer experience, build ingestion/replication systems, develop internal libraries and tooling (Go/Python), and collaborate with cross-functional teams to support analytics, ML, and customer-facing data products.

Build and scale backend data platforms and services for real-time loan origination and financial reporting. Lead quarterly delivery, guide engineers, define technical plans, collaborate with product and design partners, improve reliability and operational practices, monitor service metrics, participate in on-call support, uphold engineering quality standards, and mentor team members. The role requires developing highly available distributed systems and scalable data pipelines using technologies such as Python, Kotlin, AWS, MySQL, Kubernetes, Spark, and Airflow.

As a Senior Principal Engineer, you'll define and drive the technical strategy for customer experience platforms, lead architectural decisions, and mentor engineering teams to enhance customer and agent experiences.

As a Fullstack Software Engineer, you'll design, develop, and maintain scalable frontend and backend systems while collaborating across teams.

Own commercial navigation features end to end across mobile, backend, and web surfaces. Build reliable, customer-facing navigation experiences for commercial fleets despite poor connectivity, dynamic schedules, and changing routes. Define product priorities and success metrics, ship maintainable and tested code, improve observability, and collaborate with product, design, Maps, Telematics, and adjacent engineering teams. The role requires strong customer focus, technical depth, and the ability to make practical tradeoffs in ambiguous problem spaces.

Senior frontend-focused software engineer responsible for authentication, verification, and fraud experiences across web, mobile, and backend systems. The role owns team goals, designs and delivers highly available systems, collaborates with product and design partners, improves engineering standards, supports operations and on-call efforts, and mentors engineers. Candidates should have strong web application architecture experience, proficiency with React or Vue and JavaScript or TypeScript, and excellent communication skills.

Design, build, and operate scalable distributed systems for real-time restaurant payment and financial workflows. Responsibilities include architecting reliable services, protecting sensitive financial data, improving observability and production performance, debugging distributed systems, participating in on-call rotations, applying AI-assisted engineering tools, collaborating cross-functionally, and mentoring engineers.

Build and ship production software for Toast’s retail platform, partnering with engineering, product, and customers. Responsibilities include identifying opportunities, designing and prototyping end-to-end solutions, making foundational technical decisions, incorporating customer feedback, tracking industry trends, and deploying AI-powered experiences. The role supports large grocery and convenience-store customers and may involve visiting stores to understand operator workflows.

Design and develop scalable C++ software for endpoint state and control across Windows, macOS, and potentially Linux. Build reliable, multi-process systems that enforce endpoint behavior, manage local state, support IPC, and operate across millions of devices. Responsibilities include implementing features, improving platform performance, writing design documents, defining architecture and IPC contracts, and making technical decisions in an evolving, sparsely documented environment.

Own the architecture and technical direction of Metropolis Recognition Platform, including edge-to-cloud pipelines, identity resolution, real-time decisioning, privacy and consent models, observability, and progressive delivery. Lead cross-functional alignment across engineering, computer vision, data, security, platform teams, and partners. Establish RFCs, SLOs, testing standards, operational practices, and architectural best practices while mentoring engineers and managing high-scale distributed systems.

Develop high-performance, accessible, responsive user interfaces using React and Storybook. Collaborate with designers, product owners, and engineers to build reusable design-system components, write secure maintainable code, participate in code reviews, lead cross-team initiatives, document processes, and improve systems through refactoring and testing.

Build and operate blockchain network infrastructure integrating protocols such as Bitcoin and Ethereum with internal services. Design reliable APIs, SDKs, data contracts, observability, and SLOs; lead multi-quarter chain integrations, architecture modernization, and migrations. Improve latency, reliability, and cost for high-throughput distributed systems while owning production services and on-call responsibilities.

Lead technical strategy and execution for multi-quarter initiatives, build and maintain software systems using AI, mentor and elevate engineers, collaborate across disciplines, and protect user privacy and security. The role involves working in an AWS and Kubernetes environment with technologies including Python, TypeScript, React, Go, Airflow, dbt, and Claude Code.

Build scalable, API-first platform capabilities through manifest-driven development. Develop Java and Kotlin backend services and Python workers for third-party integrations, collaborate across engineering teams, participate in architecture reviews, and troubleshoot production systems using logs, metrics, and traces. The role requires expertise in highly scalable systems, object-oriented design, REST services, relational databases, responsive messaging, caching, and software quality practices.