Find & Apply For Software Developer / Engineer Jobs in Lathrop, California

As the Engineering Lead for the Bank Processing project, you will own the technical design and hands-on development of CrossLink's bank processing platform. You will build backend services, integrate with banking partners, and deliver secure, reliable transaction processing from initial development through production. This role is primarily focused on architecture, coding, and technical problem solving, with the ability to guide and mentor one or two engineers as needed.

PRIMARY RESPONSIBILITIES

Own the platform architecture and technical design, translating business and banking requirements into practical software solutions. Personally develop, test, and maintain backend services, APIs, and transaction processing workflows. Design data models and processing logic for payments, disbursements, reconciliation, and reporting, with a focus on accuracy and auditability. Implement validation, duplicate prevention, error handling, and recovery mechanisms to protect transaction integrity. Work with the CTO, business stakeholders, compliance, IT, and banking partners to clarify requirements and resolve technical dependencies. Establish code quality and testing practices; review contributions and document architecture, interfaces, and operational procedures. Guide and mentor one or two engineers as needed, coordinating work and resolving technical blockers while remaining an active contributor. Troubleshoot complex issues and support deployment, monitoring, performance tuning, and production readiness. Communicate progress, technical tradeoffs, risks, and resource needs to management. Perform other duties as required.

KNOWLEDGE AND SKILL REQUIREMENTS

Bachelor's or master's degree in engineering, Computer Science, Mathematics, or a related technical discipline required. 5-10 years of software development experience, including ownership of complex backend systems from design through production. Strong communication skills and the ability to work independently, explain technical decisions, and collaborate across departments. Advanced programming skills in Java, C, C++, Go, or an equivalent backend language, with substantial recent hands-on coding experience. Strong knowledge of backend architecture, API design, system integration, and reliable transaction processing. Strong relational database and SQL skills, including schema design, transactions, query optimization, and data integrity; PostgreSQL experience preferred. Proficiency in troubleshooting and debugging complex applications, including performance and production issues. Experience with source control, automated testing, CI/CD, logging, and monitoring. Ability to build secure systems that handle sensitive data. Ability to lead technical work, review code, and mentor a small number of engineers while maintaining substantial individual development responsibilities.

ADDITIONAL PREFERRED QUALIFICATIONS

Experience with banking, payment processing, financial systems, or refund transfer platforms. Familiarity with

ACH/NACHA

files, settlement, and reconciliation. Experience developing APIs and backend services in Golang. Experience serving as a technical lead or mentoring engineers on a small project team. Knowledge of IIS and .NET development. Experience with AWS CodeDeploy and CodeBuild. Familiarity with frontend frameworks such as React or Angular. Experience working in an agile environment using Jira or similar tools. Experience with the AWS ecosystem, including compute and deployment services such as EC2 and ECS.