.net/C# Developer - Senior

Job#: 3054073
Job Description:
.net/C# Developer - Senior
Location: Austin, Texas (Onsite)
Alternate Location: Southlake, TX
Role Overview
As a .NET Developer with AI experience, you will contribute to AI-assisted workflows across the System Development Life Cycle. You will work with .NET engineering, event-driven architecture, cloud-native platforms, and Generative AI-assisted delivery to build reliable business solutions within a complex financial domain.
Key Responsibilities

• Contribute to the design and implementation of scalable, resilient, and event-driven applications using .NET, Kafka, and cloud-native architecture patterns.
• Build and modernize high-volume services, APIs, and distributed application capabilities that support reliable transaction processing and business-critical workflows.
• Partner with architects, product owners, developers, and adjacent technology teams to convert business capabilities into high-quality technical solutions.
• Use GenAI coding assistants to accelerate implementation, refactoring, unit testing, regression support, code reviews, scripting, automation, troubleshooting, and documentation.
• Use agentic workflows, prompt engineering, custom instructions, and spec-driven development practices to improve productivity.
• Strengthen engineering quality through automated testing, code reviews, performance analysis, observability, and resiliency practices.
• Support modernization initiatives by moving legacy capabilities toward distributed .NET services, cloud-native platforms, and modern data stores.
• Collaborate with engineers in a team-oriented environment and help adopt repeatable, responsible AI-assisted development practices.

Required Qualifications
Education: Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience.
Experience:

• 5+ years of professional software engineering experience developing scalable .NET, cloud-based, or web services applications in high-volume environments.
• 4+ years of experience building and deploying cloud-native applications using Google Cloud Platform, Docker, Kubernetes, microservices, and CI/CD practices.
• 2+ years of experience working with databases such as MongoDB, Aerospike, PostgreSQL, or comparable relational and NoSQL platforms.
• 1+ years of hands-on experience with AI/ML implementation, production deployment, or AI-assisted engineering practices.
• Experience owning technical components or features and collaborating within a software delivery team.
• Experience contributing to IT transformation or system modernization initiatives.

Technical Skills:

• Hands-on experience with .NET and Kafka, with knowledge of distributed systems, stream processing, and performance optimization.
• Working experience with IBM MQ, Splunk, JSON/XML, caching, performance analysis, and Twelve-Factor App methodology.
• Experience with cloud platforms such as PCF, AWS, or Google Cloud Platform.
• Hands-on experience or practical exposure to Large Language Models such as GPT, Claude, Gemini, or PaLM.
• Experience using GenAI coding assistants (e.g., GitHub Copilot, Claude Code) across the SDLC.
• Working knowledge of agentic workflows, spec-driven development, custom instructions, and prompt engineering.
• Knowledge of Agile methodology and experience with tools like Jira and Confluence.

Other Qualifications:

• Understanding of broker-dealer domain capabilities and operations is required; experience in the financial services industry is preferred.
• Effective communication and collaboration skills.
• A collaborative mindset and a bias for action to drive outcomes.

Preferred Qualifications

• Master's degree in Information Technology, Computer Science, Software Engineering, Artificial Intelligence, or a related field, or equivalent practical experience.
• Experience in Test-Driven Development (TDD), Behavior-Driven Development (BDD), and QA automation.
• Proficiency in creating architecture diagrams, design documentation, and technical specifications.
• Experience with performance engineering, reliability testing, and operational readiness for high-volume distributed platforms.
• Exposure to AI-assisted SDLC transformation initiatives or internal developer productivity programs.
• Experience supporting or mentoring peers on .NET engineering practices or responsible AI-assisted software delivery.

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.
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Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Everforth Apex team member can provide.
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