Senior/Principal Full-Stack Engineer - Back-End

Senior/Principal Full Stack Engineer – Back-End
Location: Raleigh, NC (onsite)
Reports To: Director of Web/Mobile Development and VP of Engineering
Employment Type: Full-Time | Exempt
Travel: Minimal (a few times a year)

Role Overview

Kelaca is partnering with a fast-scaling technology innovator based in Raleigh, NC to find a Senior/Principal Full Stack Engineer – Back-End ready to architect, build, and scale high-performance enterprise software.

Our client powers mission-critical operations for asset-intensive industries. This role is designed for an engineer who thrives on ownership, deep technical problem-solving, and collaboration across systems.

You’ll be a senior contributor and trusted technical voice within the engineering group, driving design and implementation across C#/.NET , REST APIs , and supporting full-stack capabilities with React .

You’ll own a product line’s technical integrity, shaping architecture, improving performance, and mentoring teammates while remaining hands-on in code.

What Success Looks Like

30–90 Days

• Develop deep understanding of architecture, development patterns, core frameworks, and CI/CD pipelines.
• Familiarization with technical challenges (architecture and theories on solutions)
• Assess, evaluate, modify, and implement solutions (familiar with code base)
• Build trust across engineering, QA, and product partners.
• Begin contributing production-ready code across front-end and full-stack surfaces.
• Learning, listening and evaluating team structure (0-45 days).
• Implementing leadership techniques to take on more ownership of products (45-90 days).

90–180 Days

• Lead end-to-end development of new features or enhancements within your product area.
• Strengthen observability, performance monitoring, and database efficiency.
• Provide technical guidance to mid/junior developers on implementation of features.
• Raise engineering bar through mentorship and process improvements.
• Drive improvements in test coverage, accessibility, and user experience consistency.

12 Months

• Serve as back-end owner for a major product line.
• Deliver predictable, scalable releases and measurable reliability gains.
• Shape architecture strategy for new services and API design.
• Champion operational excellence — CI/CD maturity, testing depth, uptime reliability.

Core Outcomes & Metrics

• Reliability: Reduced downtime, faster incident recovery, improved observability.
• Performance: Optimized APIs and database queries; measurable latency reduction.
• Delivery Predictability: On-time releases, stable sprint throughput.
• Code Quality: Consistent standards, maintainable modules, effective peer reviews.

What You’ll Do

• Design and implement robust services and APIs using C#/.NET .
• Architect data access and storage layers (SQL Server, PostgreSQL).
• Collaborate with front-end engineers to deliver seamless full-stack solutions.
• Own CI/CD pipelines, testing frameworks, and release automation.
• Lead technical deep-dives, troubleshoot performance issues, and resolve production bottlenecks.
• Contribute to architectural roadmaps, balancing new development with system health.
• Coach peers on patterns, code reviews, and modern engineering practices.

How You Work

• You own problems end-to-end and bring structure to complexity.
• You lead through clarity and craft — not title.
• You communicate precisely and influence across teams.
• You thrive in environments that demand reliability and reward curiosity.
• You treat technical debt as a design challenge, not a burden.

Skills, Experience, and Tools That Matter

Minimum Qualifications

• Bachelor’s in Computer Science or related field (or equivalent experience).
• 7–10+ years of professional software development experience.
• Deep expertise in C#/.NET , REST API design , and SQL Server/PostgreSQL .
• Solid grounding in object-oriented design and design patterns .
• Strong debugging, profiling, and performance-tuning skills.
• Familiarity with CI/CD , automated testing , and containerization tools (Docker/Kubernetes).
• Experience mentoring engineers and guiding technical delivery.

Preferred Qualifications

• Exposure to React or modern front-end frameworks.
• Experience with Azure , microservices , and distributed system design .
• Familiarity with ERP or industrial integrations is a plus.

The Bottom Line

Simply put, they’re a very successful software company, and they’re not going to settle for “B” and “C” players. If you know you’re an “A” player and you want to work for a company that’s also an “A” player they’re waiting for you. Let’s get to work.

NO THIRD PARTIES.

Apply to Kelaca today so we can schedule a conversation with you to further discuss this exciting opportunity.

Kelaca is an Equal Employment Opportunity company and does not discriminate in employment based on: age, disability, national origin, race, color, religion, veteran status, genetic information, gender, sex, gender identity, sexual orientation, pregnancy, or other non-merit factor.