Top Software Engineer Jobs

Staff Software Engineer leading hands-on full-stack development across C#/.NET services, Angular interfaces, databases, and AWS-hosted applications. Builds healthcare data integrations using HL7, FHIR, and X12 EDI; modernizes legacy systems; improves performance; applies secure coding and HIPAA practices; supports production incidents; reviews code; mentors engineers; and collaborates with product and QA teams.

Designs, builds, and scales enterprise CRM solutions while leading ERP-to-ERP migrations across portfolio companies. Responsibilities include requirements gathering, architecture, application development, system integration, data mapping and migration, API and workflow integration, testing, cutover planning, post-go-live support, and stakeholder collaboration. The role also evaluates build-versus-buy options, improves enterprise operations, and partners with project managers and UI/UX designers to deliver scalable solutions.

Own the frontend of Radiant’s telemetry and fleet management platform for portable nuclear reactors. Build reliable, performant React and TypeScript interfaces for data analysis, device configuration, telemetry monitoring, and mission-critical operations. Collaborate across the Mission Software team and company stakeholders while contributing to complex UI systems, debugging, code reviews, and hardware-connected applications. This is a fully onsite role in El Segundo with occasional extended hours and weekend work as needed.

Lead discovery, design, implementation, debugging, and architecture for Second Life’s large-scale C++ simulation and server systems. Own ambiguous technical problems, improve reliability, performance, scalability, and maintainability across systems and teams, and mentor engineers. The role requires deep expertise in concurrent systems, production troubleshooting, distributed services, and complex codebases, with regular onsite work in San Francisco Monday through Thursday.

Own and maintain software configurations for rocket test stands and ground systems at an active aerospace test site. Support test operations, troubleshoot software and connectivity issues, identify recurring problems, develop permanent fixes, and build tools, runbooks, and documentation. Collaborate with vehicle software teams and site operators to improve test cadence, reliability, deployment, and verification processes.

Develop and maintain custom WordPress websites, themes, and plugins using PHP. Translate Figma and Adobe XD designs into responsive, accessible sites; troubleshoot bugs and performance issues; implement APIs and integrations; and collaborate with UX, design, and content teams. The role requires strong PHP, HTML, CSS, JavaScript, and MySQL skills, plus familiarity with Git and modern development workflows.

Design, implement, test, and maintain resilient network software for teleoperated UGV swarms. Build low-latency video streaming and command-and-control systems, redundant connectivity and hot failover across mesh radios, satellite, and 5G networks, secure VPN solutions, and performance monitoring for throughput and latency. The role requires C++ or Python, Linux networking expertise, and collaboration in an onsite defense startup environment.

Develops custom software applications and integrates, customizes, tests, deploys, and supports ERP, TMS, MES, and EAM systems across multiple manufacturing plants. The role gathers operational requirements, manages software proposals and lifecycle activities, coordinates cloud releases and patches, drives technology standardization, and trains plant staff. It bridges manufacturing engineering, shop-floor operations, and corporate software development teams.

Leads architecture, technical planning, development, code review, and troubleshooting for business-critical software systems. Establishes engineering standards, mentors developers, documents technical decisions, and guides integrations, data pipelines, identity management, compliance, and secure data handling. Partners with infrastructure teams on reliability, monitoring, deployment, security, and cloud usage while coordinating with stakeholders, vendors, and contractors.

Own and improve data-intensive Python backend and full-stack systems supporting quantum and fabrication engineers. Build scalable services, manage schemas and compatibility, improve performance and observability, and establish safe AI coding-agent frameworks. Collaborate directly with technical users, guide priorities, mentor engineers, and contribute across cloud infrastructure, scientific computing, and internal tooling.