Senior AI Engineer
Colt Technology Services3 months ago
Boulder, CO, USASenior
Responsibilities
- Design and build AI applications end to end, including data access, retrieval, model calls, orchestration, and user interfaces.
- Work with large language models through APIs and self-hosted inference, including prompting, tool use, retrieval, and multi-step agent workflows.
- Build and maintain evaluation harnesses to determine whether AI use cases are ready to ship.
- Integrate AI into Colt’s existing systems and enterprise data.
- Collaborate directly with teams across network operations, service delivery, finance, and other business functions.
- Translate loosely defined business problems into scoped, buildable designs and demonstrate working software early.
- Move prototypes into tested, instrumented, documented, and supportable production systems.
- Monitor production accuracy, latency, and cost, and respond when performance drifts.
- Work with platform engineers on deployment and contribute reusable patterns, components, and internal libraries.
Requirements
- 8–10+ years of experience building production software and owning systems through design, delivery, operation, and production support.
- Strong Python skills, or strong experience in Java, Go, C#, or TypeScript with readiness to work primarily in Python.
- Experience building APIs and service integrations, working with real data at scale, testing, CI/CD, and debugging live systems.
- Experience with at least one major cloud platform; Colt primarily uses Google Cloud, with AWS or Azure experience accepted.
- Hands-on AI experience through a work project, side project, prototype, internal tool, evaluation, or regular use of AI coding tools.
- Ability to work with ambiguity, engage directly with non-technical stakeholders, and assess when AI is not the right solution.
- Helpful but not required: enterprise-scale production RAG, agent frameworks, evaluation tooling, Vertex AI, Kubernetes, or Terraform.
- Ability to discuss an AI project in depth, including what failed, evaluation methods, and potential improvements.
Benefits
- Flexible working hours and the option to work from home, with the role requiring onsite availability in the Boulder, Colorado office 2–3 days per week.
- Extensive induction program with experienced mentors and buddies.
- Opportunities for further development and educational opportunities.
- Global Family Leave Policy.
- Employee Assistance Program.
- Internal inclusion and diversity employee networks.
- Inclusion and diversity support, including recruitment-process adjustments when needed.
Tech Stack
Categories
About Colt Technology Services
Colt Technology Services provides fiber-based connectivity, internet, voice, security, and data centre/colocation services for enterprises and wholesale carriers. It sells managed network services such as Ethernet, IP access, SD-WAN, and cloud on-ramps delivered over its own metropolitan and long‑haul networks across Europe, Asia, and North America. Founded in 1992 and headquartered in London, it is privately held and operates in 40+ countries.