Top Software Engineer Jobs in San Diego, CA

Design, build, and optimize scalable backend services, APIs, and data pipelines. Integrate with third-party billing/commerce systems, maintain serverless/event-driven architectures on AWS, ensure security and performance, implement automated tests and CI/CD, mentor engineers, and drive architectural decisions.

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

Senior hands-on engineer responsible for production-ready blockchain platform architecture, smart contract development, multi-chain integrations (EVM and non-EVM), secure transaction lifecycles, wallet and RPC integrations, RBAC, audit logging, monitoring, treasury and payout workflows, and compliance/security controls working with the technical lead and founders.

Design and deliver scalable integrations on Celigo integrator.io connecting ERP and cloud apps. Implement data mappings, APIs, and AI/agentic workflows; perform testing, go-live support, and optimization. Mentor junior developers, train customers, and ensure performance, security, and governance best practices.

Design, implement, and optimize full-stack solutions. Collaborate with cross-functional teams, participate in code reviews, analyze and improve system performance, and stay current with industry technologies.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Lead architecture and implementation of Aragorn AI's frontend: build scalable React/TypeScript applications, evolve micro-frontend architecture, develop and maintain a reusable design system, optimize performance, collaborate with design and backend teams, own CI/CD for frontend, and drive frontend technical standards and documentation.

The Fullstack Application Developer will design, build, and maintain a platform for marketing teams, focusing on both front-end and back-end development while mentoring junior developers.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.

Design, configure, develop, and administer Salesforce solutions using LWC, Visualforce, Apex, SOQL, Flows, and APIs. Support Sales and Service Cloud, perform requirements and gap analysis, author design specs, participate in code reviews, testing, deployments, and Agile ceremonies, and coordinate integrations and stakeholder communication to ensure usability and adoption.