Senior .NET Software Engineer

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

$130 - $160

Senior Software EngineerDallas, TX (Hybrid)

A rapidly growing software company serving the financial services industry is seeking a Senior Software Engineer to join its data intelligence and platform engineering team. This full-time hybrid opportunity offers the chance to work with modern technologies including .NET, C#, AWS, MySQL, JavaScript, TypeScript, React, and microservices architecture while helping evolve mission-critical customer data systems.

This role is ideal for an experienced engineer who enjoys influencing technical direction, solving complex data challenges, and modernizing large-scale platforms. The organization is investing heavily in platform transformation, automation, AI-enabled development practices, and architectural improvements. Engineers who thrive in environments where they can balance hands-on development with technical leadership will find substantial growth and impact here.Required Skills & Experience

• 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

Desired Skills & Experience

• Experience with customer data platforms
• Identity resolution or customer profile unification experience
• Microservices modernization initiatives
• React or Vue.js expertise
• Experience using AI-assisted development tools
• Large-scale data integration experience
• Financial services or fintech background
• Technical leadership experience

What You Will Be Doing

• 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

Tech Breakdown

• 40% .NET / C#
• 25% Cloud & Microservices
• 20% Front-End Development
• 15% Database & Data Engineering

Daily Responsibilities

• 70% Hands-on Development
• 15% Technical Leadership & Architecture
• 15% Cross-Functional Collaboration

Applicants must be currently authorized to work in the U.S. on a full-time basis now and in the future.