Sr Full-Stack Engineer

About the role

Kopius is seeking a Senior Full-Stack Engineer to join our team supporting a leading healthcare services organization. This role focuses on building end-to-end across a .NET backend and a modern web front end on Azure, helping modernize a legacy application while incorporating new AI-driven capabilities into the product.

Key Responsibilities

• Design, build, and maintain full-stack features across the .NET backend and modern web front end
• Develop and integrate REST / Web APIs and microservices on Azure
• Model and optimize relational data; ensure sound database design across SQL Server and Azure SQL
• Contribute to the legacy-to-modern rewrite — refactor, re-architect, and migrate to current patterns
• Own CI/CD and deployment through Azure DevOps
• Partner with data and AI engineers on AI-enabled features across the product
• Participate in code reviews, design reviews, and architectural discussions
• Champion engineering best practices and code quality standards across the team
• Troubleshoot and resolve production issues, contributing to root cause analysis and long-term reliability improvements

Basic Qualifications

• Strong written and verbal communication skills, with the ability to collaborate effectively across distributed teams
• Self-motivated, quick learner, and adaptable to new technologies and legacy systems
• Thrives in a team environment, actively contributes to collaboration, fosters a sense of community
• Excellent problem-solving and analytical skills, with a keen eye for detail and a proactive approach to issue resolution
• Bridges ideas proactively — not just a ticket executor, but a contributor to the broader technical direction and AI initiatives of the team
• Strong sense of accountability and ownership over deliverables and outcomes
• Comfort operating in healthcare or other regulated data environments where security and compliance matter
• Self-directed operator — able to hit the ground running with minimal ramp

Technical Requirements

• Senior-level, hands-on experience with C#, .NET / .NET Core, and ASP.NET Core
• Hands-on experience with a modern front-end framework — React or Angular
• Hands-on Microsoft Azure experience — App Service, Functions, Service Bus — with microservices architecture
• Strong REST / Web API development experience
• Strong SQL Server / Azure SQL database design and optimization skills
• Proficiency with Git and CI/CD pipelines on Azure DevOps
• Experience contributing to legacy modernization or rewrite initiatives

Nice to have

• Containerization experience with Docker and AKS
• Hands-on experience with Entity Framework Core
• Experience with message-driven architectures
• Prior exposure to AI-enabled features or integration with AI/ML services
• Experience in healthcare, life sciences, or other regulated industries

Things to keep in mind!

Compensation: $11,700 – $15,000 / month (W2). Individual pay within the posted range is determined by multiple factors, including job-related knowledge, skills, experience, and relevant education or training.

Contract duration: This is a W2 engagement with an initial 6-month term and strong likelihood of extension based on performance and project needs.

Location: Hybrid schedule at our client's Dallas, TX office (Tuesday through Thursday onsite) is preferred. Remote candidates within the United States will also be considered.

Work Authorization: Applicants must be legally authorized to work in the United States on a permanent basis without requiring sponsorship, transfer, or extension of work authorization now or in the future.

Equal Opportunity: We are an equal opportunity employer and value diversity and inclusion at our company. We do not discriminate on the basis of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, marital status, veteran status, or any other protected characteristic under federal, state, or local law.

About You

At Kopius, we value individuals who embody our core values:

• Community and Connection: Foster team connection; contribute to a collaborative environment.
• Exceptional Experiences: Strive for outstanding communication experiences; align actions with delivering excellence.
• Embrace New Ideas: Demonstrate openness to innovation; adapt and learn quickly.
• Ownership Mentality: Take responsibility and ownership of tasks and projects; drive issues to resolution.
• Walk the Talk: Consistently align actions, communication, and problem-solving with company values.

About Us

We are passionate about technology and driven by our partners' potential to make a difference in the world. Our expert teams in digital strategy, design, and engineering are dedicated to solving complex problems and exploring new frontiers. With over 40 active projects and 500+ talented professionals across USA, LATAM, and Europe, we're committed to creatively tackling big challenges and helping our customers stay ahead in a rapidly evolving digital landscape. Join us on this exciting journey of innovation and growth!