Software Engineer

• Design, build, and ship features across Voice, Messaging, and Platform Services systems (APIs, routing logic, carrier integrations, messaging pipelines)
• Use AI coding assistants (Claude Code, Codex, GitHub Copilot, Cursor, or similar) as part of your daily workflow
• Start experimenting with AI agents for real engineering tasks (testing, documentation upkeep, code migration) under guidance from more senior teammates
• Support production systems handling real-time voice and messaging traffic, including a weekly on-call rotation
• Work closely with product management on scoping and estimation
• Write clear documentation, including notes on what worked and didn't with AI-assisted workflows

• 3 to 5 years of professional software engineering experience, ideally including backend/API work or distributed systems
• Regular, hands-on use of AI coding tools, with a genuine interest in getting sharper with them, not just occasional use
• Solid fundamentals in data structures, testing, and system design, so you can catch AI-generated code that's wrong, not just accept it
• Experience with a modern backend language/framework (Node.js, Python, Go, or Java); this team is primarily Node with some Python
• Strong written communication skills
• Able to be in the Raleigh, NC office Wednesdays and Thursdays each week; unfortunately, this role is not able to sponsor work visas
• Bonus: any exposure to telecom protocols (SIP, SMPP) or messaging standards (SMS/MMS/RCS)

• Work on infrastructure that's genuinely mission-critical: real calls, real texts, real customers, at scale
• Be part of a thriving company at the center of the rapidly growing CPaaS industry
• Join a small, senior team with real ownership and visibility into the roadmap
• Room to grow your AI-assisted development skills fast, with senior engineers around you who can teach it
• Your future path here is wide open, with real room for professional growth
• Hybrid schedule based in Raleigh, NC (in-office Wednesdays and Thursdays)

• Comprehensive health coverage: medical (100% covered), dental, and vision for you and your family
• Generous PTO plus 10+ paid company holidays
• 401(k) with a 4% company match
• Competitive compensation
• A fun, collaborative culture with team-building events and company-wide volunteer days

Want to learn more about 512Financial? Check out our Recruitment and Talent Acquisition Page! If you have any questions, please reach out to us here: