Top Software Engineer Jobs in Sacramento, CA

Develop innovative software solutions, mentor junior team members, and analyze project requirements in a collaborative environment focused on digital transformation.

The role involves leading software engineering teams, developing large-scale data processing systems, mentoring junior staff, and ensuring project success. You will leverage programming languages and technologies like Java and Python, embracing innovation and technology to enhance delivery.

Senior Full-Stack Software Engineer position focusing on building, shipping features, and improving code quality using React, TypeScript, and Ruby on Rails.

As a Software Engineer II in the Credit Decisioning team, you will design and develop backend systems, collaborate with cross-functional teams, and support project delivery and operations.

As a Software Engineer, you'll develop software using Ruby, Javascript, and support AWS infrastructure. Responsibilities include maintaining and building applications, contributing to high-end software releases, and mentoring other engineers.

Design, develop, and maintain AI-powered applications. Collaborate with engineering and product teams to deliver scalable solutions and mentor other engineers. Conduct experiments to guide product decisions.

Join Cash Trust Identity as a Software Engineer to enhance customer identity systems, focusing on security and reliability. Deliver high-quality solutions, mentor junior engineers, and collaborate across teams.

The Software Engineer will build and improve mobile experiences for Square's connected hardware products, working on reliable systems and integrations across various technologies.

Build and scale backend services for verification orchestration, decisioning, and fraud detection. Integrate third-party data providers and ML models, develop rule engines, maintain APIs and Kafka events, improve document automation, and enhance observability, compliance, and platform reuse across lending products.

Build and scale full-stack systems and microservices powering engagement features (credit health, financial wellness, gamification). Design event-driven, Kafka-based pipelines, collaborate cross-functionally, support experimentation/A-B testing, ensure regulatory/compliance alignment, and improve reliability and performance of production systems.

Full‑stack engineer building donor and fundraising features using React, TypeScript, REST, and Ruby on Rails. Deliver small-to-medium projects, improve performance and maintainability, participate in code reviews and QA, collaborate with product and design, and contribute to architecture and team mentorship.

Build and scale backend and full-stack systems for enterprise customers: design APIs and platform services, improve observability and reliability, respond to incidents, integrate AI features, and collaborate cross-functionally to deliver high-impact enterprise capabilities.

Design, build, and scale highly performant, highly available backend systems for advanced crypto trading instruments. Architect robust services supporting multiple instrument types, collaborate with product and design, and deliver high-value, observable features for traders worldwide.

As an Infrastructure Software Engineer, you will build and optimize scalable systems for user data management while mentoring peers and collaborating on innovative solutions.

Lead the design and implementation of backend services for data cataloging and ML training systems, focusing on performance and scalability.

Build enterprise-grade authentication, authorization, and identity features across the full stack. Design and implement RBAC, provisioning (SCIM), SSO/OAuth integrations, secure public APIs, and admin workflows for auditing and compliance. Own end-to-end product changes, collaborate on architecture, and mentor engineers to deliver scalable, reliable systems for enterprise customers.

Join the Payments team to design, build, and maintain secure, scalable payment systems. Work across the stack on payment processing, recurring contributions, fraud mitigation, ETL pipelines, testing, monitoring, and operational tooling. Collaborate with product, platform, ops, and security teams to deliver reliable features, debug complex issues, and improve payment workflows while contributing to team documentation and on-call support.

Design and implement secure, scalable backend services for voice agents, integrate AI models and telephony, improve inference, debug concurrent systems, and collaborate with Product to deliver features end-to-end.

As a Full Stack Software Engineer, you will develop tools for cloud management, build APIs and UIs, and maintain cloud systems.

The role involves collaborating with mobile developers to build and release high-quality applications, ensuring seamless functionality through testing and code reviews, while contributing to product innovation.

As a Software Engineer, you'll lead projects, make architectural decisions, and collaborate with cross-functional teams to enhance our auto refinance and secured personal loans products.

The Senior Mobile Software Engineer will develop high-performance mobile applications, optimize performance, and collaborate with teams to enhance the user experience while ensuring app quality through testing and debugging.

As a Software Engineer on the AI Products Team, you will develop new features and improve LLM model results while engaging with customers and shaping team culture.

The Software Engineer will develop voice AI features, enhance LLM model performance, build infrastructure, and collaborate with teams and customers to improve the voice AI platform.

Lead the frontend platform's evolution, architect complex UIs, mentor engineers, and drive performance and testing excellence while collaborating with cross-functional teams.