software-development jobs in San Diego

Design, build, and ship LLM-powered capabilities end to end—from prototyping and fine-tuning models to deploying production agents and retrieval systems. Own the full stack: prompt and context engineering, multi-step agent design with tool calling, RAG systems (embeddings, chunking, hybrid search, reranking), fine-tuning on multi-GPU with LoRA/QLoRA, evaluation and tracing infrastructure, and clean APIs for other engineers.…See more Work in a secure, distributed environment where the platform runs on customer compute, cloud, or hybrid setups, requiring expertise with both commercial and self-hosted models.

As Principal Software Engineer for AI & Data Platform, you will architect the data foundation for scientific and engineering R&D platforms, designing scalable data processing patterns, ML training pipelines, and intelligent workflow interfaces. You will own end-to-end responsibilities including data modeling for multi-use analytics and ML, building production training and fine-tuning pipelines, model evaluation and benchmarking, and setting engineering standards for the team.…See more The role requires 10+ years shipping production software, expert-level Python, deep experience with large-scale data systems (object storage, analytical processing, training formats), hands-on ML pipeline development, and the ability to set technical direction in early-stage environments while implementing it yourself.

Build the foundational agentic AI layer for a materials-science platform, including multi-model provider abstraction, agent orchestration with stateful checkpoints, retrieval systems, prompt versioning, and comprehensive tracing and evaluation frameworks. You'll design agents that plan and reason over tool calls in production, implement human-in-the-loop safety gates, and ensure all LLM behavior remains auditable and cost-tracked across customers' secure environments.…See more The role demands deep production experience with agentic and LLM systems: async Python, structured outputs, memory and context management, multi-step workflow orchestration, and evaluation harnesses that catch regressions before deployment.

The Senior Systems Engineer will design, develop, and support communications and encryption devices, providing technical expertise in cryptographic technologies and deployment strategies. Responsibilities include advising on cryptographic equipment deployment, analyzing emerging threats, conducting technical analysis of cryptographic products for acquisition decisions, liaising with vendors on device lifecycle, and supporting leadership with briefings and fielding decisions.…See more The role requires 5–15 years of cybersecurity, systems engineering, or network security experience, along with strong analytical, problem-solving, and written communication skills. A bachelor's degree in Systems Engineering, Computer Science, or related field is required.

Staff Software Engineer leading the design, architecture, and operations of PlayStation's Real-Time Analytics Platform (RTAP), a large-scale distributed data system handling high-throughput, low-latency analytics and stream processing. The role involves architecting and evolving streaming and analytics platforms using Apache Flink, Spark, ClickHouse, and Druid; integrating batch and streaming workloads via lakehouse architectures; and embedding AI capabilities to automate engineering workflows and improve platform reliability.…See more You will own critical platform capabilities end-to-end from design through production operations, mentor engineers, establish technical standards, and influence cross-functional technical strategy across PlayStation's data infrastructure.

Lead Network Engineer responsible for directing network integration, system testing, troubleshooting, and documentation across cross-functional teams at a U.S. Navy enterprise scale.…See more Mentor junior network engineers, provide technical guidance on complex issues, and serve as primary technical advisor to government clients on system architecture and solution design. Must have 10+ years configuring and troubleshooting Cisco enterprise infrastructure, including Catalyst Center/SDA, SD-WAN, ISE, routing protocols (OSPF, IS-IS, BGP), and enterprise security technologies. Will drive Software-Defined Access, SDN, Zero Trust, and automation initiatives while holding Secret clearance.

Staff Software Engineer leading design and evolution of PlayStation's Real-Time Analytics Platform (RTAP), a large-scale distributed data system handling high-throughput, low-latency analytics and stream processing. Responsibilities include architecting stream processing pipelines, optimizing data services using Apache Flink, Spark, ClickHouse, and Druid, integrating batch and streaming workloads with lakehouse architectures, and building AI-powered capabilities for platform automation.…See more The role requires deep expertise in distributed systems, real-time analytics, and mentoring engineering teams while establishing technical standards and best practices across the organization.

Lead the design, architecture, and development of native Windows desktop applications using Windows App SDK, WinUI, C#, XAML, and C++. Define best practices for Windows development, drive accessibility efforts across Microsoft UI Automation frameworks, and take full ownership of feature lifecycles from conception through maintenance.…See more Collaborate with product designers, UX researchers, and QA to shape the Windows platform roadmap. Diagnose and resolve complex bugs, performance bottlenecks, memory leaks, and compatibility issues while mentoring other engineers and conducting code reviews.

Field/Base Network Engineer managing large technical teams and Navy-Marine Corps Intranet (NMCI) operations under the SMIT contract. Responsibilities include BAN/LAN/WAN network operations, troubleshooting, repair, installation, cabling, configuration, and COMSEC support; managing incident response, change management, and problem management initiatives.…See more Requires extensive operations/engineering leadership experience, working knowledge of large DoD enterprise network environments, and hands-on technical background in network architectures, fault diagnosis, and ITSM/DevSecOps. Physical role involving equipment installation, rack mounting, confined-space work, and site-based troubleshooting across multiple locations.

Network Engineer IV supporting Naval Information Warfare Center Pacific to engineer, configure, and sustain mission-critical networked systems for public safety ashore programs. You will design and deploy advanced network architectures using Cisco, Aruba, Juniper, and other platforms; implement security controls aligned with RMF and STIGs; and support end-to-end system lifecycle from integration through fielding and sustainment.…See more Requires DoD Secret clearance, CCNA/Juniper JNCIA or higher, Security+ CE minimum, 8+ years DoD/enterprise network engineering experience, and hands-on expertise with switching, routing, wireless, VPNs, and firewall technologies.

The MMIS Developer – Supply Chain designs and develops supply chain software systems, translating business requirements into technical solutions. Responsibilities include leading development projects, maintaining critical analytics and databases, troubleshooting system issues, and creating reports.…See more The role requires proficiency with VBA, SQL Server, and business intelligence tools like Power BI, with preferred experience in Lawson, Epic, Python, and Snowflake for supply chain analytics.

Join Axos Bank's Application Developer Rotational Program as a full-time developer gaining exposure across front-end and back-end technologies. You will create customer experiences using HTML, CSS, and JavaScript; develop interfaces with .NET; design low-code platform solutions; and work with document management and OCR systems.…See more The role requires a bachelor's degree in IT, Computer Science, or related field with 1+ years of experience, and familiarity with Java, C#, SQL Server, APIs, and object-oriented programming.

The Data Architect is a hands-on technical leader responsible for designing and modernizing enterprise data architecture across on-premises and cloud platforms. The role defines scalable data models, integration patterns, and architectural standards for the Data Lake, Data Warehouse, ODS, and cloud platforms while ensuring security, resilience, and high performance.…See more Working closely with engineering, analytics, and business teams, the architect provides technical guidance on modern data systems, governance frameworks, and ETL/ELT pipelines. The position combines strategic vision with practical experience optimizing structured, semi-structured, and unstructured workloads across SQL, NoSQL, and cloud-native systems.

This Staff IT Engineer role supports secure enterprise environments serving government missions, with primary responsibility for implementing, administering, and optimizing Microsoft infrastructure technologies including Windows Server, Active Directory, Group Policy, SCCM, DNS, DHCP, file services, and print services. The candidate will provide Tier 2/3 support, troubleshoot complex infrastructure issues, perform system maintenance and patching, manage endpoint compliance, and ensure compliance with federal cybersecurity frameworks (NIST, RMF, CMMC).…See more The role requires at least 3 years of hands-on experience with on-premises Microsoft infrastructure in enterprise environments and an active Top Secret security clearance.

As a Cybersecurity Engineer and Risk Analyst, you will develop and implement security solutions to protect military infrastructure, performing risk and vulnerability assessments across networks, systems, and applications. You will leverage tools like ACAS, STIGs, and eMASS to assess security threats, implement infrastructure controls, and prepare Risk Management Framework (RMF) artifacts and Security Assessment Plans (SAP) for DoD customers.…See more You'll troubleshoot complex cybersecurity challenges, analyze big data security events to identify advanced threats, and communicate technical findings to both technical and non-technical audiences. The role requires 3+ years of IT experience with government/DoD agencies, hands-on RMF and A&A leadership, and an active TS/SCI clearance.

Staff Software Engineer responsible for leading macro-level technical design, architectural implementation, and development of critical embedded software subsystems in C++ and Qt. The role owns end-to-end software lifecycle deliverables, conducts architecture and design reviews, ensures FDA/IVDR regulatory compliance, and mentors junior engineers.…See more Requires 10+ years of professional experience with complex embedded systems, expert-level C/C++ proficiency, and mastery of object-oriented design and UML modeling.

Senior DevOps / Platform Engineer (Level III) responsible for designing and maintaining CI/CD pipelines, automating infrastructure for predictable environments, and supporting containerized platforms in secure, regulated defense settings. The role requires 5+ years of hands-on experience with Kubernetes, container technologies (Docker, Podman, Buildah), CI/CD tools (GitLab, Jenkins, AWS CodeBuild), infrastructure-as-code (Terraform, Ansible, CloudFormation), and Linux systems.…See more You will work directly with software and cyber engineers to solve delivery problems, build microservices pipelines, and adapt to evolving program requirements across U.S. Navy modernization initiatives.

Design and own network security across Saronic's enterprise, on-premises, cloud, and maritime vessel communications infrastructure. Responsibilities include managing firewalls, segmentation, VPN/ZTNA, and wireless systems (Palo Alto, Cisco, Aruba); securing AWS VPC architecture in commercial and GovCloud; architecting secure vessel communications over cellular, RF, SATCOM, and mesh links with cryptographic key management; and building network observability and automation at scale.…See more Requires 5+ years of hands-on enterprise network security experience, production firewall and VPN operations, L3-L7 networking fundamentals, and the ability to obtain a U.S. security clearance.

Ignite Digital seeks an AI Engineer to own the end-to-end machine learning lifecycle—from data preparation and model training through production deployment and monitoring. You will integrate AI models into frontend and backend systems, optimize performance for latency and cost, and collaborate with technical leads and customers to deliver Data and AI solutions.…See more The role requires strong Python and cloud platform expertise (AWS, Azure, or GCP), software engineering fundamentals, and the ability to communicate technical opportunities and limitations across varying levels of technical experience.

Senior Staff Software Engineer responsible for designing and optimizing the server-side JavaScript execution engine at the heart of the ServiceNow platform. The role requires deep expertise in compiler and runtime systems, including JIT/AOT compilation pipelines, memory management, and performance optimization at scale.…See more You will work across the full software lifecycle from design through delivery, mentor colleagues on systems engineering and performance profiling, and own technical decisions with material risk across multiple projects and teams.

Senior engineer designing, implementing, and validating Wireless WAN modem air interface and Radio Access Network (RAN) technologies for multi-RAT systems. Responsible for modem access stratum and RF software design, algorithms, HW/SW co-processor architecture, and transceiver implementation based on 3GPP LTE and 5G NR specifications.…See more Works across L1/L2/L3 protocol layers, optimizes for performance (throughput, latency, power consumption) and cost (silicon area, calibration complexity), and collaborates with RF and hardware teams on modem IP architecture and shared resource allocation.

Design, develop, and implement modem power optimization features within the modem protocol stack for Pixel devices. Analyze power consumption across LTE and 5G NR network conditions to identify optimization opportunities, collaborate with modem vendors and platform teams on power reduction initiatives, and build automated power measurement tools and dashboards to track KPIs.…See more Requires 1+ years of C/C++ coding experience and hands-on power management of embedded mobile devices, with strong performance analysis, debugging, and optimization skills for low-level systems.

Senior Modem Firmware Engineer responsible for designing, developing, and integrating 5G cellular modem modules into OpenWrt-based router and gateway platforms. Owns the end-to-end modem stack including kernel drivers, user-space daemons, and network configuration to deliver reliable connectivity, failover, and optimal throughput.…See more Develops and maintains USB/PCIe drivers, implements QMI/RMNET/AT command interfaces, configures routing policies, and debugs connectivity issues across RF, baseband, driver, and user-space layers. Requires 4+ years embedded Linux development, 2+ years OpenWrt or similar, and 2+ years cellular modem integration experience.

You will develop high-quality Android applications and shared mobile components using Kotlin and modern Android development practices like Jetpack and Compose. Working closely with UX designers, product managers, and cross-functional teams, you'll design and evolve reusable UI components and shared Android frameworks that drive consistency and accessibility across digital health applications.…See more You'll advocate for quality through unit testing, automated testing, and code reviews while collaborating with iOS engineers and leveraging AI-assisted development tools. This role requires 3+ years of professional software development experience including Android development, with a Computer Science degree or equivalent practical experience.

Staff-level engineer designing and operating large-scale distributed data platforms powering real-time analytics across PlayStation. You will lead the architecture and evolution of the Real-Time Analytics Platform (RTAP), own critical capabilities end-to-end from design through production operations, and mentor engineers.…See more Key responsibilities include building and optimizing distributed services using Apache Flink, Spark Structured Streaming, ClickHouse, and Apache Druid; integrating batch and streaming workloads with lakehouse architectures; and establishing technical standards for distributed systems, stream processing, and data modeling.