Senior Software Engineer at 512Financial | NC, US | Rezi

Senior Software Engineer at 512Financial

Senior Software Engineer

512Financial · NC, US

4 days ago

Senior Software Engineer

512Financial · NC, US

4 days ago
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About the Role

We are looking for a Senior Software Engineer who is a power user of AI-assisted development. You will work across their Voice, Messaging, and Platform Services stack, setting the standard for how the engineering organization adopts AI-native workflows. This role focuses on raising team velocity and quality through smart tooling and shipping features.

Responsibilities

  • Design, build, and ship features across Voice, Messaging, and Platform Services systems.
  • Use AI coding assistants as a core part of your daily workflow and help teammates build fluency.
  • Evaluate, pilot, and recommend AI development tools and workflows for the broader engineering team.
  • Design, build, and run AI agents to automate engineering and operational work.
  • Partner with the team to integrate AI-assisted development into CI/CD, code review, and QA.
  • Support production systems handling real-time voice and messaging traffic, including a weekly on-call rotation.
  • Collaborate directly with product management on technical scoping, estimation, and tradeoffs.
  • Write clear technical documentation, including for internal tooling and AI-assisted workflows.

Requirements

  • 6+ years of professional software engineering experience, ideally including backend/API work, telecom/CPaaS, or high-reliability distributed systems.
  • Deep, hands-on daily fluency with AI coding tools, including specific workflows and prompting techniques.
  • Strong fundamentals in data structures, system design, testing, and security.
  • Practical experience building and operating AI agents using frameworks or APIs.
  • Experience with a modern backend language/framework (Node.js, Python, Go, or Java) and RESTful API design.
  • Excellent written communication skills.
  • Able to be in the Raleigh, NC office Wednesdays and Thursdays each week.
  • This role is not able to sponsor work visas.

Skills

  • AI-assisted development
  • AI coding assistants (Claude Code, Codex, GitHub Copilot, Cursor, or similar)
  • AI agent development
  • Node.js
  • Python
  • Go
  • Java
  • RESTful API design
  • Telecom protocols (SIP, SMPP) (Bonus)
  • Messaging standards (SMS/MMS/RCS) (Bonus)
  • Carrier integrations (Bonus)

Location

  • Raleigh, NC

Work Type

  • Hybrid

Experience Level

  • Senior

Salary/Compensations

  • Competitive compensation plus commission

Benefits

  • Comprehensive health coverage: medical, dental, and vision
  • Generous PTO plus 10+ paid company holidays
  • 401(k) with a 4% company match

About the Company

  • Our client is a cloud communications API platform (CPaaS) powering voice and text messaging for more than 1,500 companies.
  • Their platform includes voice APIs, SMS/MMS messaging, RCS for Business, branded calling solutions, and bring-your-own-carrier (BYOC) options.
  • The platform is built on carrier redundancy, compliance, and U.S.-based support.
  • They are at the center of the rapidly growing CPaaS industry.