Senior/Lead Full Stack Engineer ID80990
AgileEngine
Job Description
Job Description
AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards.
WHY JOIN US
If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you!
ABOUT THE ROLE
We are looking for a Senior Full Stack Engineer to help build production software for merchant processing, compliance automation, and AI-enabled operational tools within a growing payments engineering team. You will design and develop full-stack applications using C#/.NET on the backend and React on the frontend, contribute to API design and Microsoft Azure cloud infrastructure, and apply AI-assisted coding tools with senior engineering judgment. This role is onsite daily in Irvine, CA, and requires experience in payments, financial services, or other security-sensitive environments.
WHAT YOU WILL DO
- Design and build scalable features for internal merchant-processing, compliance, and operational platforms.
- Develop full-stack applications using React on the frontend and C#/.NET on the backend.
- Contribute to architecture and engineering standards while collaborating closely with leadership and other engineers.
- Apply sound practices for API design, data handling, automated testing, code review, security, and maintainability.
- Work within Microsoft Azure and contribute to delivery and operational practices in partnership with the appropriate infrastructure or DevOps owner.
- Use Anthropic Claude or comparable tools for AI-assisted coding, with senior human review of production decisions.
- Contribute to Azure-hosted LLM solutions, including existing GPT-4o mini use cases, when relevant to the product.
- Help establish pragmatic development practices as the engineering organization grows.
MUST HAVES
- You must be authorized to work for ANY employer in the US (e.g., Green card holders, TN visa holders, GC EAD, H4 EAD, U4U with EAD), as we are unable to sponsor or take over employment visa sponsorship at this time;
- 4+ years of senior-level production experience with C#/.NET and React .
- Experience designing and maintaining APIs, data flows, production software architecture, and automated tests .
- Production experience with Microsoft Azure services .
- Hands-on experience with AI-assisted coding tools , plus the judgment to review, test, and improve generated work.
- Strong spoken and written English for technical discussions and cross-functional collaboration.
- Ability and willingness to work on-site at the Irvine, CA office daily .
- A builder mentality and comfort working in a fast-moving environment with ambiguity and evolving requirements.
NICE TO HAVES
- Experience with Terraform or another Infrastructure as Code tool.
- Experience with Azure DevOps, CI/CD, and production delivery practices.
- Experience in payments, financial services, regulated systems, or other security-sensitive environments.
- Experience with compliance automation, web-scraping systems, or high-risk transaction processing.
- Experience with observability, secure software design, and production incident ownership.
- Experience mentoring engineers or helping define team practices, if leadership responsibilities are confirmed.
PERKS AND BENEFITS
- Growth without limits : build your skills through mentorship, internal TechTalks, challenging projects, and a dedicated annual learning budget
- Competitive compensation : get recognition that reflects your skills and impact, with regular performance and compensation reviews
- Flexibility : work 100% remotely with flexible hours that support focus, autonomy, and a healthy work rhythm
- Meaningful, modern projects : build impactful products using modern technologies alongside global teams and leading brands
- Collaborative culture : join a supportive environment with zero micromanagement where ideas are welcomed and contributions are recognized
- Well-being & support : access local well-being programs and people-focused support tailored to your location
$191k - $253k
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