Top Entry Level Software Engineer Jobs in Los Angeles, CA

Contribute to full-stack features for spacecraft mission control and distributed ground control systems. Build React/TypeScript frontends and Elixir backend services, write maintainable and testable code, collaborate with operators, designers, and engineering specialists, and participate in design and code reviews. The role involves smaller, well-defined tasks under senior guidance during a three-month temporary engagement with potential conversion.

Develop and maintain modern C++ spacecraft simulation software and multi-physics libraries. Model spacecraft dynamics, thermal systems, attitude control, propulsion, power, sensors, and actuators; implement numerical solvers and time-stepping algorithms; maintain Python and C++ APIs; and collaborate on mission planning, algorithm development, testing, code reviews, and sprint planning.

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

Build production software across web, mobile, backend, infrastructure, and AI systems for healthcare. Responsibilities include developing APIs, data pipelines, offline-first applications, AI inference and orchestration workflows, internal tools, and observability systems. The role involves improving reliability and performance while collaborating with product, design, clinical, and customer-facing teams to deliver solutions used by healthcare providers.

Designs, develops, tests, reviews, and maintains medium-complexity software applications and systems. Translates product requirements into scalable, secure, modular, maintainable designs; provides application support; participates in code and design reviews; and mentors less experienced engineers. The role uses modern programming languages, databases, APIs, messaging frameworks, microservices, containers, and DevSecOps practices.

Entry-level software engineers will build data infrastructure and product features for high-frequency, high-volume multimodal hardware data. They will collaborate closely with customers, work directly with users in the field, own projects from start to finish, support customer onboarding, and help expand the company’s platform for testing and validating complex hardware systems.

Build and operate highly reliable card-issuing software and tooling across authorization, clearing, settlement, certification, and network integrations. Serve as a technical expert on card-network specifications, protocols, mandates, and production behavior. Lead complex cross-team engineering work, debug protocol-level issues, influence network requirements, mentor engineers, improve platform reliability, and participate in on-call support for critical financial systems.

Build high-performance systems for real-time telemetry processing, data visualization, and exploration of millions of sensor data points. Contribute to production code, distributed systems, DevOps, and frontend/backend development while collaborating on code reviews, design, product planning, and engineering standards. The role is designed for a new college graduate and involves learning within a fast-paced startup environment.

The role involves designing, developing, and maintaining software applications. Collaboration with cross-functional teams is expected, alongside optimizing existing systems.

Entry-level software engineers complete three rotations across Citizens' technology teams, designing, developing, and implementing software solutions. Responsibilities include building mobile applications, APIs, microservices, and enterprise technology solutions; documenting requirements and project progress; troubleshooting systems; improving application quality; and applying modern development practices and AI-assisted tools. The program includes onboarding, technical training, professional development, and eventual placement on a software engineering team.

Design, build, and operate Tailscale’s global Funnel and DERP networking infrastructure. Develop open-source client dataplane features, improve scalability and reliability, troubleshoot complex connectivity issues, support customer escalations, and participate in incident management. The role requires strong networking expertise across VPNs, NAT traversal, routing, and IP addressing, plus experience with distributed systems, SRE, DevOps, and preferably Go.

Design, develop, test, review, and maintain medium-complexity software systems. Translate product requirements into scalable, secure, modular, and maintainable applications; provide application support; participate in design and code reviews; and mentor less experienced engineers. The role requires programming expertise, knowledge of data structures, algorithms, databases, caching, and strong collaboration and problem-solving skills.

Design, build, and operate a distributed storage and data movement platform supporting petabyte-scale model training and evaluation. Run stateful systems across Kubernetes clusters, define throughput, latency, and durability requirements with research and infrastructure teams, and solve networking, I/O, consistency, and cross-region data transfer challenges. The role involves supporting cloud object storage, POSIX filesystems, model checkpoints, and large-scale GPU workloads.

Design, develop, test, and optimize safe, scalable real-time software for production autonomous vehicle systems. Architect continuous learning infrastructure for ML model deployment and monitoring, analyze algorithms, and collaborate with embedded, platform, AI, sensor, and compute teams. Support perception, prediction, and planning integration while contributing to highway and urban autonomous driving capabilities.

Develops and supports Oracle EBS customizations, extensions, reports, interfaces, workflows, and Oracle Financials solutions. Responsibilities include requirements analysis, fit-gap assessments, workflow mapping, configuration recommendations, SQL/PLSQL development, query optimization, API and data-loader integration, troubleshooting, documentation, testing, user training, and support for financial close, reconciliations, audits, and reporting.

Develop mission-critical software for Starshield’s GNC organization, including payload management, orbital prediction, system-performance analysis, and distributed systems tools for large spacecraft constellations. Responsibilities span requirements definition, prototyping, development, testing, deployment, monitoring, and ongoing operational support. The role requires collaboration across engineering teams and may involve extended hours or weekend work supporting critical development and on-orbit operations.

Develop, test, debug, and maintain game software for console, PC, and mobile platforms. Collaborate with artists, designers, and engineers to define and implement features, deliver systems to specification, provide ongoing technical support, and balance scope, quality, and development pace.

Build responsive Bubble.io applications for startup clients, collaborate with product managers and designers, refine requirements, test tools and assumptions, communicate with clients weekly, and contribute reusable components and tutorials to the internal library. The role offers autonomy, client exposure, and opportunities to advance into technical leadership or product management.

Develop modern C++ flight-autonomy software for supersonic unmanned aircraft, including guidance, navigation, control, mission autonomy, decision-making, and sensor integration. Integrate capabilities with aircraft, command-and-control, ground, and operator systems. Build tests and simulations, diagnose cross-functional problems, and support software-in-the-loop, hardware-in-the-loop, ground, and flight testing while collaborating with GNC, simulation, operations, and pilots.

Own significant areas of PayBox end-to-end, from problem definition through production and iteration. Build AI-interface payment and peer-to-peer transfer experiences, integrations across AI platforms, and infrastructure for applications and plugins. Partner with Product, improve onboarding and UX, make pragmatic architectural decisions, and operate autonomously in an ambiguous, fast-moving environment. The role emphasizes strong systems thinking, product judgment, thoroughness, and extensive but accountable use of AI.

As a Software Engineer - Backend, you will develop products and manage engineering infrastructure, focusing on system design, security, and code quality.

Design, develop, and maintain a full-stack internal web application tracking fish from catch to customer. Build backend services, APIs, data systems, reporting, and integrations with robotics and ERP platforms. Implement DevOps workflows covering deployment, monitoring, logging, and automated testing. Collaborate with robotics, operations, and business teams to create user-friendly tools and support a new processing facility.

Lead the technical direction of Zocdoc’s patient acquisition platform, building scalable APIs, microservices, AWS infrastructure, and React experiences. Improve SEO, page speed, system reliability, and patient-facing data access. Collaborate with Product, Design, and Marketing, integrate third-party data and Contentful, apply LLM technology, promote engineering excellence, mentor engineers, and drive AI-focused innovation across distributed teams.

Develop and deploy software for autonomous metal 3D printing factories. Responsibilities include architecting production-scale software, integrating control algorithms, scaling high-rate data acquisition systems, and converting customer geometries into machine print instructions. The role involves collaboration with process, controls, and mechanical engineers to deliver reliable, high-performance systems across controls, embedded computing, GPU/FPGA computing, and geometry processing.

As a Cleared Software Engineer, you will build demo-able features for logistics systems, extend APIs, design data models, manage data pipelines, and collaborate with cross-functional teams to improve engineering practices.