Together AI

Senior Software Engineer — Infra Agent Systems UK

Together AI · London

Posted 15 days ago

or apply directly on Together AI's site. We never take the application ourselves.

Is this posting real?

This role has been open
15 days
Together AI's roles stay open a median of 45 days
Reposted
No
Salary listed
No
72% of Together AI's roles list one
Ghost-job risk at Together AI
high
42 stale, 0 reposted of 61 open
Hiring momentum
77 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Together AI's own greenhouse board since 2026-08-03. Full hiring picture for Together AI.

About this role

The Senior Software Engineer for Infra Agent Systems at Together AI will design and build production AI agent systems that diagnose and remediate infrastructure issues across a large GPU fleet. This role involves developing distributed services, orchestration frameworks, and knowledge graphs, while also owning the services end to end, from design to production operations. The engineer will work on improving agent performance and integrating with various internal systems through well-designed APIs.

Our read on this posting3.0out of 5
benefits
1/5
freshness
4/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Together AI as an employer.

What you need

  • 5+ years of experience building production backend systems, distributed systems, or infrastructure platforms
  • Strong systems design skills and experience owning significant systems from design through production
  • Depth in at least one of the following: AI agent systems, orchestration, tool use, evaluation, or grounding
  • Knowledge graphs or graph data modeling
  • Search, retrieval, ranking, RAG, or semantic search systems
  • Strong backend engineering experience, including API design, service boundaries, data modeling, and integrations across complex systems

Nice to have

  • Experience in GPU infrastructure, datacenters, bare-metal systems, hardware failure modes, BMC/IPMI, or cluster schedulers
  • Graph databases
  • Event-driven systems and messaging platforms such as NATS or Kafka
  • Observability platforms such as Prometheus and Grafana
  • Building evaluation frameworks or improving the quality and reliability of LLM-powered systems

Worth weighing

  • Remote position based in the UK
  • The role involves both software delivery and operational support in production
  • Opportunity to work on foundational systems from the ground up, which may involve significant challenges
  • No salary or specific benefits mentioned in the posting

Summarised from Together AI's posting. Read the full original.

Listed by Together AI on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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