Top Software Engineer Jobs in San Diego, CA

Build, test, deploy, and maintain Elixir backend services and React frontend features. Work across stack including infrastructure and monitoring, optimize performance, handle incidents and support tickets, collaborate on designs and code reviews, and contribute to prototyping and open-source engagement.

Design and implement real-time MAC data-plane software for high-throughput satellite links. Build packet-processing pipelines, queue and buffer management, retransmission and loss recovery, and integrate with PHY, modem, FPGA, DMA, and SoC hardware. Optimize for low latency and high throughput using zero-copy, scatter-gather, lock-free structures, and hardware offload. Lead architecture through prototyping, hardware integration, performance qualification, and operational deployment while diagnosing timing and synchronization issues.

Design and develop Presidio's internal Managed Services platform and automations. Provide technical guidance and mentoring, identify automation opportunities, perform proofs of concept and pilots, collaborate on production security improvements, author technical documentation, and engage with stakeholders to capture requirements and operationalize solutions.

As a Senior Solutions Architect, you will design API solutions for strategic merchants, lead technical presentations, and collaborate with internal teams to address fraud and data challenges.

Design and deliver Salesforce technical solutions and integrations. Lead technical workshops, create solution designs, specifications and user stories, implement Apex, Visualforce and LWC, integrate Salesforce with external systems via SOAP/REST and ETL tools, mentor teams, and ensure on-time, on-budget delivery and customer success.

Lead and scale a Support Engineering function for Ashby across the Americas. Own vision, operating model, escalation/triage standards, reporting, tooling, and cross-functional feedback with Product and Engineering. Manage a Support Engineering Manager, drive hiring and career paths, and use data to reduce recurring technical friction while balancing immediate customer resolution with durable product improvements.

Design and build developer-facing product surfaces end-to-end: create high-fidelity UX and visual designs, prototype quickly, implement production interfaces in React and TypeScript, steward the design system, and collaborate cross-functionally to ship polished, AI-native experiences.

Build and maintain responsive, high-performance user-facing React/Next.js applications for privacy-focused web3 products. Collaborate with backend engineers, identify and fix performance bottlenecks, participate across the product lifecycle, write tested production-quality code, and iterate quickly on UX and developer-facing frameworks.

Own and evolve Buffer's front-end design system and component library for marketing pages. Build performant, accessible, animated React/TypeScript experiences on buffer.com, collaborate with designers and marketers, audit and improve performance and accessibility, and mentor peers on front-end architecture and standards.

As a Senior/Lead Software Engineer, you'll develop full-stack product features, focusing on AI integration and user experience, while collaborating with cross-functional teams.