Staff Backend Engineer
18 Oct 2025
Austin, TX, USA
Verified by Turrior
Content + Source + Freshness • 11 Dec 2025 • 95% confidence
88 / 100
Offer value
This job presents strong growth potential within a tech-driven startup environment, emphasizing backend scalability and performance.
- Key role in backend development at a cutting-edge tech startup.
- Work with modern engineering practices and tools.
- Excellent mentorship and growth opportunities.
Pros
- Chance to work with cutting-edge technologies in a collaborative setting.
- Opportunities for mentorship and professional development.
- Impact on the development of critical infrastructure.
Cons
- Expectation for rapid adaptation to evolving technologies.
- Significant demands on time in a fast-moving environment.
Who it's for
Senior Level • On-Site
Good fit
- Senior backend engineers with expertise in Go.
- Candidates committed to building scalable infrastructure.
- Developers eager to work in dynamic technical environments.
Not recommended for
- Entry-level candidates lacking relevant experience.
- Those looking for strictly 9-to-5 roles.
- Individuals preferring to operate independently without collaboration.
Motivation fit
Desire to push technical boundaries in backend development.Interest in driving performance enhancements through innovation.Commitment to teamwork and collaborative problem-solving.
Key skills
Expertise in Go and backend architecture.Containerization and microservices design.Performance optimization and service-oriented architecture.
Score: 88/100 AI verified analysis
About the job
About Circuit
Circuit is building the world’s first company-centric knowledge network. Our AI-powered platform turns fragmented information into actionable knowledge that can be securely shared across partners, vendors, and customers. Backed by a senior team and early enterprise traction, we’re moving fast, and we’re looking for a Staff Backend Engineer to help us scale our backend infrastructure as we onboard more customers and expand our agentic capabilities.
The Role
As a Staff Backend Engineer, you’ll play a critical role in shaping and scaling Circuit’s backend systems and infrastructure. You’ll own complex backend services built primarily in Go, with a focus on resilience, scalability, and performance under increasing load. A significant portion of Circuit’s agentic functionality lives in the backend, and you’ll be instrumental in ensuring it can evolve and handle new levels of demand.
Key Responsibilities
We are an equal-opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
Who Should Apply
If you’re a senior backend engineer with deep Go expertise, excited about scaling infrastructure under real-world load, and motivated to shape the future of agentic systems at a fast-moving startup, we’d love to hear from you!
Circuit is building the world’s first company-centric knowledge network. Our AI-powered platform turns fragmented information into actionable knowledge that can be securely shared across partners, vendors, and customers. Backed by a senior team and early enterprise traction, we’re moving fast, and we’re looking for a Staff Backend Engineer to help us scale our backend infrastructure as we onboard more customers and expand our agentic capabilities.
The Role
As a Staff Backend Engineer, you’ll play a critical role in shaping and scaling Circuit’s backend systems and infrastructure. You’ll own complex backend services built primarily in Go, with a focus on resilience, scalability, and performance under increasing load. A significant portion of Circuit’s agentic functionality lives in the backend, and you’ll be instrumental in ensuring it can evolve and handle new levels of demand.
Key Responsibilities
- Lead design, implementation, and scaling of backend infrastructure and services, primarily in Go
- Ensure backend systems are resilient, observable, and performant under high customer load
- Drive architectural decisions for long-term scalability and maintainability
- Contribute significant code to core backend systems, focusing on efficiency, robustness, and developer velocity
- Establish and promote engineering best practices across the backend team
- Collaborate closely with product, ML, and frontend teams to deliver high-quality features
- Mentor and support other engineers, fostering growth and knowledge sharing
- Proven track record building and operating large-scale backend systems in production
- Significant expertise in Go, with deep knowledge of performance optimization, concurrency, and distributed systems
- Experience running services at scale (thousands to millions of requests per second)
- Strong background in service-oriented architecture, microservices, and API design
- Proficiency with containerization and orchestration (Docker, Kubernetes)
- Hands-on experience with observability stacks (Datadog, Prometheus, OpenTelemetry, etc.)
- Experience with databases (SQL and NoSQL) and designing data-intensive systems
- Familiarity with infrastructure-as-code and cloud platforms (AWS, GCP, or Azure)
- Bonus: Exposure to ML workloads, pipelines, or agentic systems in production environments
- Strong problem-solving abilities and adaptability in a fast-paced, dynamic environment
- Results-oriented and able to balance speed with quality
- Team-first mindset, collaborative and low-ego
- Excited to experiment with emerging tools and approaches to accelerate development
- Passion for building foundational systems that unlock innovation at scale
- Early-Stage Ownership: Join at the ground floor of a company with real traction and momentum.
- Empowered Culture: We value autonomy, candor, and craft. You'll be trusted to lead.
- Cutting-Edge Tech: Work with the latest in AI, backend systems, and intelligent infrastructure.
- Meaningful Impact: Shape a platform that transforms how organizations activate knowledge.
- Holistic Benefits: Competitive comp, equity, 100% paid healthcare, 401K, flexible PTO, and a team that truly cares.
We are an equal-opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
Who Should Apply
If you’re a senior backend engineer with deep Go expertise, excited about scaling infrastructure under real-world load, and motivated to shape the future of agentic systems at a fast-moving startup, we’d love to hear from you!
