Staff Software Engineer

Job Title: Staff Software Engineer Location: Milpitas, CA (On site) Salary Range: 180K to 210K (based on experience) Who we are… We are Payactiv, a FinTech company in the heart of Silicon Valley, devoted to giving workers access to their earned wages when they need them. Payactiv is the pioneer and industry leader in Earned Wage Access. We are the only Certified B Corporation and Public Benefit Corporation in our industry. Our app provides millions with financial services that help them avoid debt, manage their finances, and regain flexibility to pay for things on their own schedule. We are looking for a seasoned engineer who thrives on solving challenging problems, contributes beyond code, and helps shape technical direction. You should be passionate about mentoring others, working collaboratively, and driving engineering excellence while delivering impactful business outcomes. What you will do: Software Development & Architecture Design, develop, and deliver high-quality, robust, and scalable software solutions. Drive architectural discussions, ensuring solutions align with business goals and technical strategy. Champion test-driven development (TDD), clean code principles, and maintainable system architectures. Code Quality & Best Practices Enforce high code quality standards through peer reviews, unit testing, automation, and continuous integration. Establish and promote engineering best practices within the team. Innovation & Problem Solving Provide thought leadership in solving complex engineering challenges. Contribute to product and technology roadmaps, suggesting improvements in performance, scalability, and maintainability. Stay ahead of industry trends and introduce relevant new technologies or practices. Leadership & Collaboration Mentor and guide junior and mid-level engineers, fostering continuous learning and growth. Collaborate closely with cross-functional teams, including Product, QA, DevOps, and Design, to translate requirements into technical solutions. Play an active role in sprint planning, backlog refinement, and technical reviews. Security & Compliance Implement secure coding practices, ensuring applications adhere to industry standards and compliance requirements. Integrate data protection and security measures at all layers of the system. Performance Optimization Proactively monitor and enhance application performance, scalability, and reliability. Identify bottlenecks, debug issues, and implement innovative solutions to optimize system performance. Database Management Design, optimize, and manage complex SQL queries, stored procedures, and data models. Ensure efficient data access, integrity, and scalability across applications. What you need: Bachelor’s degree in Computer Science, Software Engineering, or a related field. 8+ years of professional experience in the .NET development stack, including .NET Core, C#, and Web API, or equivalent expertise. Demonstrated success in designing and delivering complex, scalable, and secure enterprise applications. Proven ability to mentor junior engineers, lead technical initiatives, and drive best practices across teams. Technical Skills Deep understanding of object-oriented programming and software design principles. Strong proficiency with relational databases (MS SQL Server, PostgresSQL, Amazon Aurora), including query optimization and performance tuning. Hands-on experience in building applications using RESTful APIs, Microservices architecture, Web applications, Batch services, and Data connectors. Solid knowledge of design patterns, with the ability to identify and resolve anti-patterns. Proficiency with version control tools such as Git and TFS. Experience with cloud platforms, particularly AWS, including deployment and infrastructure services. Exposure to DevOps practices, CI/CD pipelines, and containerization (Docker/Kubernetes) is a strong plus. What we offer… Company sponsored Health, Dental, and Vision insurance Health, Dental and Vision Reimbursement account 401K, traditional, and Roth with a company match Tuition Assistance or Tuition Reimbursement Unlimited Paid Time off Monthly Gym Reimbursement Paid time off to volunteer Paid Family Leave Complimentary office lunches Opportunity to work with a great team committed to making a difference.