Top Software Engineer Jobs in San Diego, CA

Design and deliver end-to-end software solutions (APIs, microservices, scalable data models), optimize performance, lead architecture and code reviews, mentor engineers, build CI/CD and observability, document systems, create fault-tolerant distributed systems, and lead front-end and mobile performance work. Must demonstrate broad experience across multiple listed technologies.

Design and implement core payment infrastructure components (workflow engines, partner integrations, ledgering, public APIs). Collaborate with technical leadership on architecture, own projects end-to-end, and shape engineering culture at an early-stage fintech startup.

Latitude solicits unsolicited applications across functions (engineering, compliance, legal, operations, product, finance). They seek candidates energized by fintech challenges, who can operate with ownership in an early-stage environment, communicate clearly cross-functionally, move quickly, and bring deep expertise in their craft. Benefits and U.S. work-authorization requirement noted.

Lead end-to-end Salesforce-centric architecture and integrations across cloud platforms (.NET, Azure, AWS). Design scalable, secure solutions, oversee data migrations, mentor engineers, and contribute hands-on development and operational troubleshooting.

Design, build, and scale GraphQL and gRPC APIs and SQL queries powering the sportsbook marketplace. Own end-to-end feature delivery, performance diagnostics and remediation, release and deployment windows, monitoring in DataDog, and on-call rotations. Mentor peers, draft technical proposals/specs, and improve platform scalability through load testing, tracing, and production hygiene.

Lead end-to-end technical engagements to accelerate adoption of Twilio solutions: design and ship production-grade code, architect secure deployments, run hackathons/workshops, build reusable reference implementations, and surface field insights to influence product R&D.

Drive architecture, design, and implementation of large-scale software systems. Lead technical strategy, mentor engineers, collaborate cross-functionally, ensure code quality and operational reliability, and guide delivery of complex features and platform improvements.

Senior Appian Developer responsible for designing and implementing scalable Appian solutions, analyzing legacy systems, building complex expression rules and interfaces, integrating APIs and cloud services, mentoring junior developers, and peer-reviewing code to avoid technical debt and ensure high performance.

Develop, test, and maintain scalable software solutions for startups. Collaborate with product and design teams, solve technical problems, and deliver high-quality products. Contract role with potential for equity and full-time conversion upon successful investment.

Lead and grow a small engineering team building scalable, secure, HIPAA-compliant patient and clinician-facing web and mobile systems. Drive architectural decisions, CI/CD, feature-flagged small-batch delivery, AI-native developer workflows, and operational excellence. Partner with product, design, clinical, and ops to translate requirements into reliable, accessible software and hire, mentor, and raise delivery capability across the team.

Lead design and implementation of backend services and APIs for payments, billing, settlements, ledgers, and reconciliation. Drive architecture for highly available, auditable financial platforms, integrate with payment processors and banking partners, ensure transactional integrity, observability, and compliance. Deliver end-to-end initiatives, mentor engineers, and operate mission-critical systems with strong emphasis on reliability, security, and scalability.

As a Senior Backend Engineer, you'll develop and maintain the Dynamic Copay Engine's services, design pricing logic, and manage data integrations, focusing on backend systems for health insurance functionality.

Own and build backend services for benefit estimate (270/271), claims adjudication integrations, and claims processing pipelines. Ensure accuracy, reliability, and throughput across PostgreSQL, Redis, and BigQuery, design APIs, participate in architecture and incident response, and contribute to on-call rotation.