Senior Staff Engineer – Agentic

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. Own agent delivery into several Engines and Services, from first discovery conversation to measured time saved .

Posted 11/3/2026full-timeRemote • United KingdomSenior💰 £117,850 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in architecting and delivering agentic systems, with a focus on reliability, security, and process automation. Proven ability to lead multiple workstreams, collaborate with stakeholders, and transform complex requirements into actionable plans.

Highest-signal resume keywords

Agent Delivery ManagementMulti-Agent Systems DevelopmentReliability And Security JudgementArchitectural Decision-MakingProcess Automation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

System ArchitectureProduction Agentic SystemsRetrieval Systems DevelopmentCode ReviewFailure EvaluationTask-State PersistenceHuman Approval ProcessesConcurrent Workstream ManagementBusiness Logic CodificationAdvanced Retrieval Techniques

Soft Skills

Stakeholder CollaborationTrade-Off Decision MakingClear Communication

Tools & Technologies

MCP ToolsCI/CD WorkflowsDevOps Practices

Industry Keywords

Agentic WorkProcess MappingAutomationEvaluationAccess Controls

About the role

Key responsibilities & impact

Own agent delivery into several Engines and Services, from first discovery conversation to measured time saved
Set architecture for retrieval, orchestration, MCP tools, identity and evaluation across agentic work
Run several workstreams in parallel by leading agents and holding their output to production standards
Work with Engines and Services to map processes and decide which parts to automate, rebuild or leave alone
Turn messy requirements into clear architecture and delivery plans
Weigh competing demands and make trade-offs explicit
Design reliability, evaluation, access controls, recovery and human approval into concurrent workstreams
Instrument shipped systems so time saved is visible
Codify recurring business logic into reusable building blocks
Help teams build and operate their own agents through design reviews, shared patterns and clear handovers

Requirements

What you’ll need

You've worked directly with business stakeholders to define what gets built, perhaps as a technical product lead, tech lead or engineering manager, and you don't expect a spec
You've built and maintained production agentic systems with real consequence, including multi-agent systems and MCP servers used by real people for real work
You've built retrieval systems and compared approaches against requirements
You evaluate systematically, with realistic labelled cases that include failure and permission boundaries, and know when an agent is ready for production
Sound reliability and security judgement, including permissions, human approval, task-state persistence and safe recovery
Experience orchestrating several agents in parallel
Ability to review code, make architectural calls and spot where a system will fail without coding day to day
Fluent English speaking, reading and writing
Customer-facing agents in production for months (desirable)
Significant internal process transformed with agents (desirable)
DevOps or CI/CD workflows moved onto agents (desirable)
Advanced retrieval experience, such as graph RAG or agentic RAG (desirable)

Benefits

Comp & perks

Stock options so everyone has ownership in our mission
25 days holiday plus public holidays
Option to swap public holidays for the ones that matter most to you
Birthday off
Remote first and flexible working
Clear core hours
No internal meetings on Friday afternoons
Up to £1,200 or €1,200 per year for your remote setup
Up to £150 or €150 per month for wellbeing