Top Software Engineer Jobs

Design, develop, test, operate and maintain mainframe banking software (Hogan). Own full-stack code, perform code reviews, ensure security/compliance, improve reliability, analyze failures, and work in agile/DevOps environments while contributing to technical design and operational improvements.

Develops mission-critical software for SpaceX simulation and flight systems. Responsibilities include prototyping, building high-performance real-time data streaming modules, maintaining flight software and high-fidelity simulations, improving platform reliability and scalability, and contributing to test automation and CI/CD infrastructure. The role partners with engineering teams and customers to deliver capabilities for ground and space systems.

Build and own full-stack software supporting simulation, emulation, flight systems, and vehicle analysis. Develop prototypes, high-fidelity simulation platforms, and scalable distributed systems used across SpaceX’s design, testing, and operations pipeline. Improve reliability and performance while partnering with engineering users to deliver productivity-enhancing features. The role requires software development experience, full-stack web application expertise, programming in Python, C, C++, or Rust, database experience, and the ability to obtain a Top Secret clearance.

Architect and build backend systems for a real-time Command and Control platform directing large swarms of heterogeneous aircraft. Develop distributed infrastructure for mission control despite intermittent communications, ingest and process high-throughput telemetry and sensor data, and manage scheduling and data links. Own backend features from design through deployment while supporting reliability, scalability, CI/CD, QA, and DevSecOps practices.

Lead frontend architecture for Legion’s real-time Command & Control platform, enabling operators to plan and direct large swarms of heterogeneous aircraft. Build collaborative, resilient interfaces for telemetry, sensor data, scheduling, crew resources, and data-link management during intermittent communications. Establish frontend standards, mentor engineers, and deliver performance-sensitive applications with strong CI/CD, QA, and DevSecOps practices.

Build front-end and full-stack features for an AI-enabled behavioral health platform, including RCM automation, EHR features (AI scribes, intake automation, clinical analytics), and data pipelines for claims and clinical records. Ship high-quality software quickly and collaborate closely with cross-functional teams.

Leads full-stack software engineering for a member experience portal across cloud infrastructure, APIs, microservices, GraphQL, databases, web, and mobile applications. Provides technical mentorship, architecture and code-review leadership, and establishes standards for scalability, security, reliability, testing, CI/CD, observability, and performance. Drives AI-assisted engineering adoption and secure development practices while collaborating with product, UX, architecture, and business stakeholders. This hybrid role requires office attendance one to two days weekly near specified metropolitan areas.

Develop and maintain scalable web applications, design UI components, collaborate with cross-functional teams, perform code reviews, and stay current with web and AI-related technologies to ensure performance and scalability.

Join Zip's Forward Deployed Software Engineering team to own and ship high-impact, customer-facing full‑stack features. Lead engineering on critical customer projects, partner with product and solutions teams, communicate directly with enterprise customers, and shape the platform by delivering robust production-quality code under tight timelines.

Design, implement, and maintain Java-based microservices and RESTful APIs across cloud-native environments. Build CI/CD pipelines, test automation, and observability integrations. Collaborate in Agile teams, apply security and Domain-Driven Design principles, troubleshoot production issues, and leverage AI developer tools to improve productivity.

Build and own LearnVector’s full-stack AI learning product, including frontend experiences, backend services, data layers, deployment infrastructure, streaming AI interactions, session memory, content pipelines, observability, testing, and CI. The role requires making foundational architecture decisions, integrating LLM APIs, operating production systems, and shipping frequent product improvements in an on-site, early-stage startup environment.

Lead the architecture, development, testing, deployment, and support of large-scale React Native mobile applications for Sam’s Club member service desks. Drive technical strategy across iOS and Android, mentor engineers, establish engineering best practices, optimize performance and reliability, and integrate Bluetooth-enabled peripherals and other connected hardware. Partner with product, design, operations, and engineering leaders to deliver mobile capabilities from concept through production.

Provide operational and application support for enterprise mainframe systems powering Finance, Inventory, Pricing, Receiving, and other store operations. Troubleshoot complex production issues, analyze application flows, support over 1,200 mainframe jobs, collaborate with development teams, and contribute to modernization and application enhancement initiatives. The role also involves automation and AI-assisted operational improvements within a globally distributed 24-hour support organization.

Design, develop, test, and deliver scalable software solutions in collaboration with product, project, business, and UX teams. Troubleshoot production issues, perform root cause analysis, create technical solutions, and support implementation. Lead and mentor small engineering groups, develop CI/CD automation and telemetry, monitor application performance, and evaluate changes for feasibility while maintaining secure, sustainable, high-quality systems.

Build and maintain software for international Sam’s Club markets. Responsibilities include software design, implementation, testing, adherence to coding standards and design patterns, and development of scalable RESTful microservices and distributed, event-driven systems. The role requires collaboration, accountability, cloud-native development, containerization, CI/CD, Agile practices, and strong code quality ownership.

Leads the design and delivery of scalable, cloud-native platform capabilities, including infrastructure, tooling, ML frameworks, and AI-driven applications. Owns the full software development lifecycle from coding and testing through deployment, monitoring, and maintenance. Conducts system design reviews, applies resilient architecture principles, mentors engineers, influences technical decisions, and collaborates with stakeholders to convert complex business needs into technical requirements. Continuously improves engineering processes, tools, product quality, and system scalability through automation and data-driven practices.

Leads delivery of scalable software features and AI/ML-enabled components across collaborative engineering teams. Designs, develops, tests, monitors, debugs, and maintains secure mobile and platform solutions. Partners with stakeholders to define requirements, conducts code and design reviews, supports CI/CD and operational excellence, and mentors peers. The role requires expertise in React Native, ReactJS, state management, GraphQL, API design, NoSQL databases, DevOps, automated testing, and monitoring.

Leads delivery of scalable, secure software across the full development lifecycle. Responsibilities include feature implementation, coding, testing, CI/CD, solution design, code reviews, AI/ML integration, application monitoring, defect support, stakeholder collaboration, and technical mentoring. The role supports distributed advertising and machine-learning platforms processing billions of signals daily.

Design, implement, and maintain scalable serverless backend services and responsive Next.js front-end components. Build data scrapers and integrations, improve CI/CD and IaC, mentor junior engineers, and collaborate with product and clients to solve complex compliance problems.

Develop R&D and production software for next-generation radar products, integrate software with COTS hardware, support deployed systems for U.S. and international customers, and work on-site in Los Angeles collaborating across engineering teams.

Design, build, and operate high-throughput backend services and scalable APIs for insurance and fintech products. Lead cross-team initiatives across pricing, checkout, booking, and servicing systems. Launch zero-to-one products, iterate post-launch, write maintainable performant code, troubleshoot distributed systems, leverage AI-assisted development tools, and participate in quarterly on-call rotation.

Design, build, and operate low-latency, high-throughput ad delivery systems for bidding, ranking, auctions, and pacing. Integrate ML signals, collaborate with Product and Data teams, ensure reliability and observability, run operational reviews, and mentor engineers while driving scalable backend APIs and data processing pipelines.

The Software Engineer Intern will design high-performance software for satellites, ensuring reliability while collaborating across teams to meet software requirements.

Leads development and delivery of scalable platform capabilities, infrastructure, tooling, and AI/ML frameworks. Drives the full software lifecycle, applies cloud-native architecture, conducts system design reviews, builds AI-driven applications, mentors engineers, and influences technical decisions. Collaborates with cross-functional stakeholders to define requirements and improve engineering outcomes through data-driven practices. The role is full-time and onsite in Sunnyvale, California.

Designs, develops, tests, and maintains complex, scalable software systems. Contributes to architecture, distributed systems, cloud-based solutions, technical projects, troubleshooting, automated testing, and continuous integration. Collaborates with product, design, architecture, and cross-functional teams while mentoring junior engineers and supporting technical decision-making. Evaluates new technologies and drives improvements in software quality, reliability, performance, and development efficiency.