Top Senior C# Jobs in San Diego, CA

Design, develop, and deliver scalable backend systems and components using .NET 10 and C#. Build and maintain databases and messaging infrastructure (PostgreSQL/SQL Server, RabbitMQ), deploy with Docker and AWS, apply DDD and ORMs, triage/prioritize work, and contribute to distributed, event-driven architecture with emphasis on reliability and idempotency.

Lead a global technical team, driving innovative B2B SaaS solutions through cloud-native developments, technical oversight, and team management.

The Senior Software Development Engineer will develop applications using modern programming languages, provide leadership and mentoring, ensure software quality, and lead software improvement initiatives.

The Staff Software Engineer will lead architecture for high-scale software systems, manage product lifecycles, mentor team members, and ensure performance and reliability for money movement products.

The role involves implementing high-performance networking systems, optimizing bandwidth, and debugging network desyncs for multiplayer environments in Unity.

The role involves implementing and optimizing key subsystems in Unity's core engine, focusing on cross-engine compatibility and performance enhancement across various processes.

Develop user interface components for ArcGIS Pro using C# and WPF, work in an agile team, and design software solutions for raster and imagery processing.

Lead the design and technical strategy for business management and financial software platforms, focusing on architecture, modernization, and scalable systems while mentoring junior teams.

The Sr. Software Engineer at Alkami will lead software development projects, participate in the full application lifecycle, manage system performance, and mentor junior engineers while ensuring high-quality coding standards and responsiveness to on-call incidents.

Lead the design and implementation of mortgage technology features, mentor engineers, and collaborate across teams to improve customer experiences.

The Lead Software Engineer in Test will drive quality initiatives, design automated testing solutions, mentor engineers, and lead architecture decisions while ensuring high quality standards across software development at Elite.

Lead an agile engineering team to design and implement scalable cloud microservices using AI tools. Architect solutions, conduct code reviews, mentor engineers, maintain production platforms, and align technical decisions with business goals.

Lead execution of the API platform strategy, deliver secure scalable APIs (C#/.NET on Azure), manage engineering teams, roadmaps, agile delivery, vendor relationships, governance, and budgeting to align technology with business goals.

Design, implement, and operate utility-scale battery storage control systems. Program PPC/HMI/RTU, support plant automation, perform commissioning, troubleshoot OT/control issues, upgrade networks, and act as SME during project execution.

The Software Engineering Manager oversees the engineering and QA teams, develops high-volume applications, and champions Agile and security practices. They lead modernization efforts, manage project logistics, and ensure the delivery of quality software solutions while mentoring staff and reporting to executive leadership.

The Senior Software Engineer will lead the design and implementation of full-stack features, mentor peers, and contribute to architectural decisions focusing on enterprise-grade software solutions.

Design and develop software for automated laboratory workflows, build data pipelines, implement machine learning models, and integrate various systems to enhance biotherapeutics discovery.

The Sr. Vision Software Engineer will design, test, and integrate machine vision solutions, develop computer vision algorithms, and troubleshoot production issues while collaborating with engineering teams.

Lead development of platform APIs and scalable microservices using Kotlin/Java (and Python), build integrations, work with relational and non-relational datastores, mentor engineers, ensure monitoring and reliability, and collaborate with cross-functional teams.

As a Senior Backend Engineer at Eight Sleep, you will develop and maintain back-end services and improve data processing, supporting critical business logic in distributed systems.

The Principal Software Engineer will lead software architecture, design, and development for genetic testing systems, collaborating across teams to deliver robust solutions that enhance patient care.

The Senior Software Engineer will develop reliable systems for IoT fleet management, create user interfaces, and support data engineering tasks.

The Senior Software Engineer will lead the design and development of complex systems, mentor team members, and ensure technical excellence while collaborating with various teams to optimize workflows.

Responsibilities include modernizing POS and fuel system software, troubleshooting issues, collaborating with team members, and ensuring system reliability in high-transaction environments.

Lead design, architecture, and hands-on implementation of scalable healthcare SaaS systems. Drive interoperability (HL7, FHIR, EDI), mentor engineers, liaise with stakeholders, manage technical risk, and ensure quality, performance, security, and innovation.