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# Sr. Software Engineer (Java/TypeScript)

- **Company:** C4 Technical Services
- **Location:** Minneapolis, MN, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Cloud Computing, Continuous Delivery, Data Security, Distributed Systems, Amazon DynamoDB, Identity and Access Management, OAuth, Performance Tuning, Single Sign-On, TypeScript, Web Applications, Web Platforms, ReactJS, System Availability, Spring-boot, Backend, Data Layers, Event Driven Architecture, AngularJS, Information Technology, Graphql, Front End Software Development, Api Design, Legacy Systems, Microservices
- **Published:** May 14, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=f622c003724ccdba

## About the Role

Do you have a Bachelor's degree?, * 7+ years of full-stack software engineering experience

 * Strong backend development experience with Java (Spring Boot, microservices)
 * Strong front-end development experience with TypeScript (React, Angular, etc.)
 * Experience building and consuming GraphQL APIs in distributed systems
 * Hands-on experience with DynamoDB (data modeling, GSIs/LSIs, performance tuning)
 * Experience integrating third-party platforms or core banking/financial systems
 * Strong understanding of API-driven architecture and system integration patterns
 * Experience working in financial services or regulated environments (preferred)
 * Familiarity with event-driven architectures and cloud-native systems (AWS preferred)
 * Strong understanding of scalability, security, and performance in high-traffic applications, * Experience with digital banking platforms or fintech integrations
 * Experience modernizing legacy systems into API-first architectures
 * Exposure to authentication/authorization patterns (OAuth, SSO, identity platforms)
 * Experience supporting large-scale customer/member-facing web platforms, * Bachelor's degree in Computer Science or related field, or equivalent experience

## Description

As a Sr. Engineer, you will serve as a technical expert driving the integration of a new banking platform into digital ecosystem, enabling a seamless, unified member experience across web applications., * Design and architect end-to-end solutions to integrate a new banking platform into web and digital channels

 * Define and implement GraphQL APIs to unify data across banking, legacy systems, and member platforms
 * Design scalable DynamoDB data models to support high-volume transactional and member data access
 * Establish integration patterns between core banking systems, APIs, and front-end applications
 * Provide design recommendations aligned to long-term digital and platform modernization strategy, * Build and enhance backend services using Java (Spring Boot, microservices) to support banking integration
 * Develop GraphQL services and resolvers to enable flexible, performant data access across systems
 * Implement and optimize DynamoDB tables, indexes, and access patterns for scale and performance
 * Develop modern, secure, and responsive UI experiences using TypeScript (React, Angular, etc.)
 * Integrate third-party and internal banking APIs into a unified digital experience
 * Ensure solutions meet security, compliance, and financial services standards, * Establish standards for GraphQL schema design, API governance, and performance optimization
 * Define best practices for DynamoDB modeling, cost optimization, and scalability
 * Promote reusable services and components across the banking and digital ecosystem, * Support CI/CD pipelines for continuous delivery of digital banking features
 * Implement monitoring and observability across APIs, services, and data layers
 * Ensure high availability, resilience, and performance of member-facing applications
 * Monitor and optimize DynamoDB throughput and cost efficiency, * Partner with product, UX, and business stakeholders to deliver a seamless member banking experience
 * Work closely with architecture teams to align with enterprise modernization goals
 * Participate in agile ceremonies and help drive delivery across complex integration initiatives


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