Fullstack Software Engineer- C# (.NET / .NET Core) and React

Fullstack Software Engineer- C# (.NET / .NET Core) and React

Vertex is a leading AI Consulting and Development firm. We partner with major organizations to implement modern digital solutions that drive business value.

Founded over 25 years ago in Austin, Texas, Vertex began as a custom software development firm, delivering cutting‑edge solutions to businesses across industries. With teams in Texas, Colorado, Africa, and India, we have built a track record of innovation and reliability.

Today, we focus on helping businesses navigate and implement AI solutions - from strategy to deployment. Whether you’re integrating AI into existing systems, building AI‑powered products, or optimising workflows with machine learning, our experts provide the guidance and technical execution needed for success.

Our approach combines AI strategy, engineering, and DevOps to ensure seamless adoption and scalability. With a strong foundation in agile development and a commitment to collaboration, we help businesses unlock AI’s full potential.

Job Description

This is a remote position.

We are looking for a strong, experienced Full‑Stack Developer with solid hands‑on experience building web applications using C# (.NET / .NET Core) and React.

This is a remote, contract role open to candidates based in Nigeria. We’re looking for someone at intermediate‑mid level, but with excellent fundamentals, strong problem‑solving ability, and a high standard for clean, maintainable code.

If you communicate clearly, learn fast, take ownership of your work, and enjoy building reliable software, we’d love to hear from you.

Responsibilities (What You’ll Do)

• Build, enhance, and maintain full‑stack web applications using C# (.NET Core) and React
• Write clean, readable, and well‑structured code following best practices
• Collaborate remotely with product managers, designers, and other engineers
• Debug issues, optimize performance, and improve application reliability
• Learn and adapt to new frameworks, tools, or technologies as project needs evolve
• Take ownership of assigned tasks and deliver them to completion with minimal supervision

Requirements

Requirements / Skills (What We’re Looking For)

Technical Requirements

• Solid experience as a Full‑Stack Developer. At least 3 years.
• Strong proficiency in C# (.NET / .NET Core)
• Experience building MVC applications in .NET Core
• Frontend experience with React
• Experience with closely related stacks, frameworks, or tools is a plus

Professional & Soft Skills

• Strong communicator (written and verbal)
• Ability to learn new frameworks and languages quickly
• High coding standards: clean code, good structure, and best practices
• Strong ownership mindset and sense of responsibility
• Able to work independently in a remote environment

Nice to Have

• Experience with additional backend or frontend frameworks
• Exposure to cloud platforms or modern DevOps workflows
• Prior experience working with distributed or international teams

Vertex offers:

• An energized, upbeat environment that strongly fosters employee work‑life balance.
• A work culture that rewards goal‑oriented professionals who enjoy meeting challenges head‑on.
• Great/flexible work culture - as long as you get the work done.
• Amazing personal growth experience
• Working with a motivated and talented team.
• More importantly, an opportunity to meaningfully contribute to bringing cutting‑edge Tech solutions to life