Senior AI Back-End Engineer

At Network Solutions, we’ve been trusted for decades to help people get online and stay ahead. We’ve been here since the beginning of the internet, and we’re still building for what comes next.

As the original digital identity authority, we help secure domain names, protect brands, and safeguard the infrastructure businesses rely on. We empower our customers to own and manage the assets that define them online, while delivering enterprise-grade security to protect against virtual threats. Our team leverages modern, AI-accelerated tools to streamline how businesses manage their digital presence, making the most of our decades of experience.

The Network Solutions team is here to help online businesses protect what’s theirs and build for tomorrow. That’s why millions trust us to protect their domains, brands, and websites every day.

Senior AI Back-End Engineer

What you’ll do & how you’ll make your mark

• Design & scaleasync REST/WebSocket APIs withPython 3.11+ + FastAPI, using dependency-injection, type hints, and clean vertical-slice architecture.
• Implement multi-agent workflows withSemantic Kernel(handoff, sequential, concurrent) to route traffic among specialised LLM agents.
• Integrate LLM providers (OpenAI GPT-4.1/mini, Google Gemini 2.5 Flash) behind a provider-agnostic layer for A/B and cost-aware routing.
• DeliverRetrieval-Augmented Generationwith vector stores such asAzure AI Search, pgvector, or Chroma.
• Expose tool-using agents viaOpenAI Assistants (Code-Interpreter)for data-analysis / file-manipulation tasks.
• Evolve schemas withSQLModel / SQLAlchemy 2&Alembic; tune Postgres for high-concurrency async access.
• Maintain robustCI/CD (Bitbucket Jenkins)that lint, type-check, test, package (Docker), and deploy.
• Instrument services withstructlog JSON logs, OpenTelemetry traces, and cost/latency metrics; hold p95< 100 ms.
• ChampionAI-assisted development(GitHub Copilot, Cursor) and share pragmatic problem-solving practices with the team.