Staff Backend Engineer: AI-Driven SaaS, Hybrid Lehi

Opiniion; Lehi (UT); Hybrid; USD 150,000 - 230,000; Full time

Benefits offered by this job

Healthcare plans

401(k) match

HSA

Parental Leave

Paid holidays

Wellness reimbursement

Job summary

Opiniion is seeking a Staff Backend Engineer to advance the next generation of our platform. You will lead through technical judgment, write production-grade code, and mentor engineers while shaping patterns that keep services scalable and reliable.

You will collaborate with architecture and engineering leaders to define backend systems, drive pragmatic design decisions, and help the team move faster without compromising quality. This role is hybrid in Lehi, UT, and offers full-time employment.

Qualifications

• 10+ years of backend software development experience at staff level or equivalent.
• Proven experience designing and shipping scalable backend systems in a SaaS or similarly complex product environment.
• Strong knowledge of backend architecture patterns such as service-oriented design, event-driven systems, and domain-driven design.
• Deep proficiency in at least one backend language such as Python, Java, Go, or a comparable technology.

Responsibilities

• Write high-quality backend code for production systems that support performance, reliability, and long-term maintainability.
• Govern backend architecture standards, patterns, and service boundaries in partnership with the Staff Software Architect.
• Mentor engineers through code reviews, technical guidance, pairing, and thoughtful feedback.
• Design and ship services, APIs, and data flows that support both the current platform and the company’s next-generation architecture.
• Contribute to AI-capable backend systems, including the infrastructure and workflows needed to support LLM-based or agentic features in production.
• Identify and resolve performance, scalability, and reliability issues across backend services and supporting systems.
• Drive strong engineering practices in testing, observability, deployment, and operational readiness.
• Participate in technical design reviews and help teams make sound tradeoffs between speed, complexity, and maintainability.
• Collaborate cross-functionally with product, data, and platform partners to deliver backend solutions that support customer and business goals.
• Help improve the team’s technical execution by identifying recurring issues, reducing ambiguity, and reinforcing clear patterns for development.

Skills

Backend leadership

Staff-level experience

SaaS systems

APIs design

Cloud infrastructure

AI/LLM integration

CI/CD and testing

Mentoring engineers

Cross-functional collaboration

Strong communication

Tools

REST APIs

GraphQL

gRPC

Containerization

Job description

Opiniion is seeking a Staff Backend Engineer to advance the next generation of our platform. You will lead through technical judgment, write production-grade code, and mentor engineers while shaping patterns that keep services scalable and reliable.

You will collaborate with architecture and engineering leaders to define backend systems, drive pragmatic design decisions, and help the team move faster without compromising quality. This role is hybrid in Lehi, UT, and offers full-time employment.