Lead API Developer

Visionaire Partners; Atlanta (LA); Remote; USD 90,000 - 130,000; Full time

Job summary

An innovative company is seeking a Lead API Developer to spearhead a transformative greenfield project for a major enterprise platform. This remote role emphasizes collaboration within a dynamic scrum team, where you will design and build scalable APIs while leading governance initiatives. Your expertise in C#/.NET Core and modern cloud solutions like Azure Functions will be pivotal in shaping the architecture of the project. Join a forward-thinking environment that values strategic input and offers opportunities for mentorship and growth. If you're ready to make a significant impact in a mission-driven setting, this is the perfect opportunity for you.

Qualifications

• 6+ years of experience in C#/.NET Core API development.
• Strong leadership and communication skills in Agile environments.

Responsibilities

• Design and maintain secure, scalable APIs.
• Lead API development and governance efforts.
• Mentor developers and advocate for best practices.

Skills

C#/.NET Core API

GitHub Actions

OAuth/JWT

API Gateway Knowledge

Strong Communication

Leadership in Agile

Tools

Azure Functions

Logic Apps

Terraform

Bicep

Job description

100% Remote – EST hours

We're looking for a Lead API Developer to join a high-impact team working on a greenfield project for a major enterprise platform modernization. This is a 12+ month contract (with likely extensions), open to candidates anywhere in the U.S. who can work Eastern Time hours.

You'll play a key role in building out scalable APIs and leading governance across the org. This is a hands-on, strategic role—not just writing code, but shaping architecture and collaborating with product owners, UI devs, and other stakeholders.

Why this role?

• Be a driver in a large technical transformation
• Join a collaborative scrum team (1 of 8 total)
• Work with modern tech in a forward-thinking, mission-driven environment

What You’ll Do:

• Design, build, and maintain secure, scalable APIs
• Lead API development and governance efforts
• Build serverless solutions with Azure Functions & Logic Apps
• Implement CI/CD using GitHub Actions
• Collaborate across teams to align API work with business goals
• Mentor developers and advocate for best practices

Must-Haves:

• 6+ years of C#/.NET Core API experience
• GitHub Actions, OAuth/JWT, API gateway knowledge
• Strong communication and leadership in Agile environments

Nice-to-Haves:

• Terraform or Bicep (IaC)

U.S. based only – must be authorized to work in the U.S. (No sponsorship).

Seniority level

• Mid-Senior level

Employment type

• Contract

Job function

• Engineering and Information Technology

Industries

• IT Services and IT Consulting