Senior .NET Platform Engineer (Hybrid) - Data & API Leader

Kelly Services; Dallas (TX); Hybrid; USD 179,000 - 220,000; Full time

Job summary

Kelly Services is seeking a Senior Software Engineer in Dallas, TX, with a hybrid work setup. The role focuses on modernizing large-scale platforms, building APIs and microservices, and driving data integration projects across a fintech-like environment.

You will influence technical direction, work with AWS, .NET/C#, React or modern JS frameworks, and contribute to automated testing and observability improvements. Strong collaboration with product teams is essential.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field
• 8+ years of professional software development experience
• Strong experience with C# and .NET technologies
• Experience designing and building distributed systems and APIs
• Cloud experience, preferably AWS
• Strong SQL and relational database experience
• Experience working with modern JavaScript frameworks
• Understanding of software architecture and design patterns
• Experience with CI/CD pipelines and automated testing
• Strong communication and cross-functional collaboration skills

Responsibilities

• Designing and developing scalable software solutions
• Modernizing legacy applications and services
• Building APIs and microservices
• Improving customer data integration capabilities
• Collaborating with product and engineering teams
• Supporting platform architecture decisions
• Enhancing testing, automation, and observability practices

Skills

C# & .NET

Distributed systems

AWS

SQL & relational DBs

APIs & microservices

JavaScript/TypeScript/React

CI/CD & testing

Communication & collaboration

Education

Bachelor's degree in CS/IT/SE

Job description

Kelly Services is seeking a Senior Software Engineer in Dallas, TX, with a hybrid work setup. The role focuses on modernizing large-scale platforms, building APIs and microservices, and driving data integration projects across a fintech-like environment.

You will influence technical direction, work with AWS, .NET/C#, React or modern JS frameworks, and contribute to automated testing and observability improvements. Strong collaboration with product teams is essential.