Top Senior Software Engineer Jobs in Los Angeles, CA

Leads development and architecture of scalable Java software for NinjaOne’s endpoint management platform. Designs high-availability systems, addresses large-scale datastore performance and data-volume challenges, contributes to APIs and platform improvements, drives quality practices, owns technical initiatives, collaborates cross-functionally, and mentors junior engineers.

Design and implement scalable backup software for endpoints, servers, and cloud applications. Develop Java and Kotlin services, optimize databases and queries, debug production systems, and resolve distributed-system performance issues. Contribute code, reviews, architecture discussions, documentation, and cross-team reliability initiatives. Mentor engineers and help deliver resilient products operating at large scale.

Lead development and architecture of highly scalable Java services supporting NinjaOne’s third-party patching catalog. Design high-availability systems, solve complex scalability and system-design challenges, improve quality and performance, collaborate cross-functionally, mentor engineers, and own technical initiatives. The role requires expertise in Java, RESTful APIs, Spring, relational databases, caching, asynchronous application design, and large-scale cloud systems.

Develop and architect scalable Java software for NinjaOne’s endpoint management platform. The role involves building high-availability services, leading technical initiatives, making architectural decisions, improving quality practices, collaborating cross-functionally, mentoring engineers, and addressing scalability, performance, and technical debt challenges.

Lead development of scalable Java software for endpoint management and IT operations. Design high-availability systems, influence architecture, solve complex scalability challenges, improve quality practices, collaborate cross-functionally, mentor engineers, and own technical initiatives supporting millions of endpoints and servers.

Develop and scale backend patch-management software using Java and Kotlin for millions of endpoints. Implement enterprise software, design scalable systems, build REST services, work with relational databases and caching systems, and uphold rigorous testing and quality standards. Collaborate with AI workflow, server, platform, design, and product teams. React or Angular experience may support occasional frontend work.

Develop scalable backend software for NinjaOne’s Mobile Device Management platform using Kotlin and Java. Design microservices, REST APIs, asynchronous systems, and client-server solutions supporting millions of endpoints. Deploy services on AWS and ECS, work with relational databases, messaging systems, caching, and DevOps tooling, and collaborate with Apple and Google on enterprise mobility solutions. The role also involves applying design patterns, maintaining high coding standards, and using AI-powered development tools.

Develop and maintain a cross-platform C++ endpoint agent that detects, installs, validates, and rolls back operating system and third-party software patches. Responsibilities include code review, mentoring engineers, improving development processes, collaborating across teams, and translating product needs into technical designs. The role requires system-level development across Windows, macOS, and Linux using modern C++, gRPC, Protocol Buffers, SQLite, and CMake.

Design and develop scalable, highly available software systems for NinjaOne’s IT Operations platform. Build Java and Kotlin applications, implement enterprise design patterns, optimize systems serving millions of endpoints, and contribute production code. Responsibilities include REST service development, relational database work, client-server messaging, caching, scalability improvements, and quality testing. The role collaborates with engineers to deliver reliable cloud services supporting worldwide operations.

Design and develop scalable, high-availability software for NinjaOne’s IT Operations products. Build and improve Java and Kotlin applications, implement design patterns, solve enterprise-scale challenges, optimize data structures and databases, develop REST services, and contribute to client-server systems supporting millions of endpoints. Collaborate with engineers to maintain high-quality testing and reliable product delivery.

Design, develop, launch, and maintain scalable backend systems and APIs used by merchant and partner integrations. Collaborate with engineers and stakeholders, balance speed with system quality, debug code, conduct code reviews, and write tested, extensible software. The role requires experience with distributed systems, Python or Kotlin, AWS, MySQL, and Kubernetes, along with strong communication and ownership of professional growth.

Develop highly reliable full-stack software and applications used across SpaceX. Responsibilities include designing systems, building prototypes, solving user problems, contributing to architecture and code reviews, and owning software engineering and product development. The role involves improving application performance, testing, deployment, monitoring, in-stream data processing, containerized production systems, front-end applications, and database technologies.

Senior .NET Software Engineer responsible for end-to-end software development using Microsoft technologies. Requires extensive experience in SDLC, design principles, technical documentation, web application development with .NET, Agile/SCRUM, Entity Framework, database design, and version control. Familiarity with project tools JIRA, TEMPO, Bitbucket, and Confluence preferred.

Design, build, and operate high-throughput, low-latency ad-serving infrastructure processing millions of requests per second. Optimize GPU-powered TensorRT inference, feature stores, model serving, benchmarking, experimentation tooling, and system reliability. Partner with machine learning engineers to productionize models and own systems through design, deployment, observability, capacity planning, incident response, and optimization.

Join as an early founding full-stack engineer to architect, build, and deploy a scalable platform serving AI-driven voice applications. You will own frontend and backend development, design infrastructure with the CTO, and deliver reliable production systems for enterprise customers.

Develop fullstack web applications, enhance platform performance, collaborate on high-impact opportunities, and ensure stable, scalable solutions. Engage in rapid iterations and be a committed team player.

Develop and lead production software-defined networking for NVIDIA’s global GPU cloud infrastructure. Design multi-tenant control and data planes using Open vSwitch, OVN, OpenFlow, Kubernetes, C, and Go. Build networking services, plugins, automation, testing, observability, and reliability improvements. Lead architecture and code reviews, mentor engineers, support on-call operations, and resolve complex production incidents through diagnostics and source-level debugging.

Design and implement CIAM backend services for authentication and authorization. Integrate identity systems, manage secure flows, and automate infrastructure.

Lead development of scalable content inspection pipelines using computer vision and vision language models to analyze video and image assets. Design, implement, test, deploy, and support distributed systems that extract temporal metadata, enable validation and enrichment workflows, and improve media discovery. Collaborate with platform and product teams, guide architecture, participate in on-call support, resolve production issues, and mentor engineers while promoting quality engineering practices.

Build and own the technical roadmap: design AI-first interfaces and APIs, architect scalable ETL pipelines, develop data models for ML features, ship autonomous B2B workflows (PO generation, vendor sync, schedule optimizations), and establish engineering standards, CI/CD, and mentoring.

As a Video Engineer at Whatnot, you'll enhance the platform's video services, develop seller tools, and implement innovative video strategies to improve user engagement and experience.

As a Senior Software Engineer on the Logistics Platform team, you will enhance logistics systems by building APIs, improving data quality, and partnering with cross-functional teams to solve complex problems, ultimately improving user experiences and operational outcomes.

As a Billing & Analytics Software Engineer, you'll design and maintain the billing pipeline, integrate billing systems, and develop customer-facing analytics dashboards to support revenue recognition and operational observability.

Design and operate high-throughput data pipelines, streaming services, time-series storage, and industrial data historians for sensor telemetry in test and production systems. Ensure reliable ingestion without data loss, define data architecture and schema standards, improve operational reliability, and support visualization and analytics teams. The role includes debugging, root cause analysis, engineering standards, and collaboration across controls, test automation, and visualization functions in safety-critical, 24/7 environments.

Leads technical direction for enterprise software built with C#/.NET, Blazor, and Azure while maintaining transitional React applications. Oversees architecture, production readiness, secure engineering, testing, CI/CD, incident response, delivery planning, and React-to-Blazor migrations. Coaches engineers, coordinates technical execution, manages dependencies and risks, and establishes reusable Microsoft-centric engineering standards. Revit and AEC domain experience are required.