Top Entry Level Software Engineer Jobs in Los Angeles, CA

Design and scale a feature flagging and A/B testing platform, including high-throughput event ingestion, warehouse-native analytics, real-time feature flag delivery, multi-database SQL support, and distributed systems infrastructure. The role involves full-stack development, architecture, performance optimization, reliability engineering, and technical product influence within a remote startup team.

Develop and maintain Tailscale’s open-source client and backend networking software. Design, test, document, and optimize networking components, distributed systems, and overlay routing features. Own services through observability, incident response, and customer escalations while collaborating with product managers and designers. Apply security-first practices and improve system efficiency, scalability, and stability in a fully remote, asynchronous startup environment.

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 and maintain developer tools, SDKs, CLI, MCP interfaces, integrations, and supporting backend services. Collaborate on API contracts, compatibility, testing, releases, documentation, and shared tooling. Support developers through GitHub issues and pull requests while designing reliable systems with authentication, retries, idempotency, rate limits, monitoring, and error recovery.

Build and operate Origin’s AI observability platform across data-collection agents, backend services, infrastructure, inference pipelines, APIs, and React interfaces. Design distributed systems using AWS, EKS, ClickHouse, and Kafka for high-throughput, multi-tenant production workloads. Develop internal coding agents and define AI-native engineering practices while making decisions around storage, APIs, performance, and reliability.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.

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 maintain versioned data ingestion and conflation pipelines that transform complex retail and spatial data into accurate, reliable insights. Responsibilities include entity resolution, golden-record creation, rules-based normalization, RegEx logic, LLM integration, schema evolution, and cost-effective scaling. The role emphasizes engineering rigor, high-fidelity outputs, and production-ready data for consumer dashboards.

Build and maintain a React/TypeScript operations portal and Supabase/PostgreSQL backend for autonomous aircraft medical logistics. Improve aircraft allocation, mission generation, telemetry ingestion, live dashboards, reliability, testing, logging, and observability. Integrate Python services with ArduPilot aircraft and simulations while collaborating with autonomy and simulation engineers to mature real-flight and digital-twin 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.

Design, develop, test, validate, and support software and firmware for avionics systems using processors and microcontrollers. Responsibilities include launch operations support, device bring-up, flight hardware and software integration, troubleshooting, bug investigation, and collaboration across multidisciplinary teams. The role requires hands-on engineering in a dynamic environment, with occasional extended hours and weekends to meet critical deadlines.

Develop and deploy reliable software for a distributed SQL database in a fast-paced production environment. Responsibilities include designing, coding, testing, and owning projects throughout the product lifecycle. Work may involve LLMs, vector indexes, database fault tolerance, SQL query performance, SIMD, LLVM code generation, search, and query optimization. Collaborate with engineering, product, marketing, and sales teams while developing professionally alongside experienced engineers.

Develop and deploy reliable software for SingleStore’s distributed SQL database. Responsibilities include designing, coding, testing, and improving systems involving query optimization, fault tolerance, concurrency, multithreading, server architectures, LLMs, vector indexes, SIMD, and LLVM code generation. The role involves end-to-end project ownership, collaboration across teams, and participation throughout the product lifecycle.

Develop and prototype 5G network solutions, automate and improve software development tools and environments, and help design, build, and maintain development verification labs. The role requires programming across Python, JavaScript, Bash, C/C++, and Go, along with Git, Linux, debugging, and Agile/Scrum knowledge. Work supports Nokia’s satellite-based LTE and 5G networking products.

Lead the architecture, technical evolution, and hands-on development of a mission-critical software platform using Java, C++, and AI/ML technologies. Responsibilities include software design, coding, debugging, code reviews, testing, CI/CD, performance optimization, security, technical planning, customer troubleshooting, deployment support, documentation, and engineering leadership. The role requires occasional customer travel and may support critical incidents outside normal business hours.

Designs, develops, deploys, tests, and reviews software applications, features, and defect fixes. Collaborates with team leaders and users to support a product roadmap, analyze requirements, document software, provide developer-level support, and learn existing codebases. The role also involves participating in planning meetings, conferences, and occasional team travel.

Own growth across the customer journey, including landing-page conversion, activation, paid conversion, retention, expansion, and monetization. Build and optimize product experiences, run A/B experiments, analyze results with SQL, and identify high-impact revenue opportunities. Develop scalable software using TypeScript, React, Postgres, Redis, and related technologies while applying AI to accelerate engineering workflows.

Build and own user-facing features across Hercules’ AI Agent, App Builder, SDK, mobile app, and platform. Design scalable systems, APIs, data models, and high-quality code in a monorepo. Ship SaaS capabilities such as billing, analytics, feature flags, internationalization, and notifications. Apply strong product and UX judgment while working with TypeScript, React, Postgres, Redis, cloud infrastructure, and frontier AI coding tools.

Build and own user-facing frontend interfaces across AI agents, app-building tools, mobile PWA experiences, and marketing pages. Responsibilities include frontend architecture, system design, data modeling, API design, maintaining high-quality monorepo code, independently shipping customer features, and delivering polished UX/UI. The role requires strong TypeScript and React expertise, familiarity with AI coding workflows, and ideally experience with containers, Postgres, and Redis.

Build and maintain full-stack software across internal tools, campaign planning, field operations, weather and geospatial data, aircraft operations, and customer-facing products. Work directly with users and cross-functional teams to identify problems, prototype solutions, and own products through deployment and continued development. Improve shared software components and technical patterns across the organization.

Entry-level hybrid role supporting clinical laboratory operations through workflow analysis, software and solution development, algorithm creation, clinical genetic data management, and project coordination. Responsibilities span software engineering, bioinformatics, analytics, process management, diagnostic reporting, and high-throughput workflow optimization. The role requires learning genetics, biology, healthcare standards, and laboratory procedures while collaborating across technical, scientific, operational, and business teams.

Architect and build scalable, reliable onboarding systems for financial institutions. Responsibilities include developing full-stack features, integrating legacy banking and compliance systems, solving multi-tenant and real-time processing challenges, translating banking requirements into technical solutions, and owning system performance and scalability. The role involves direct collaboration with customers, product teams, banks, and engineering leadership in a fully remote startup environment.

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.

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.