At a Glance
- Tasks: Design and deliver AI workflows that enhance brand identity for top-tier clients.
- Company: Join Defyner, a cutting-edge brand engineering company backed by angel investors.
- Benefits: Competitive salary, equity options, and the chance to work remotely.
- Other info: Dynamic startup environment with opportunities for significant career growth.
- Why this job: Be at the forefront of AI and branding, making a real impact in the industry.
- Qualifications: Experience in building multi-agent systems and a passion for brand identity.
The predicted salary is between 90000 - 130000 £ per year.
Job Title Brand Engineer (AI Delivery / Solutions Engineer) Compensation £90k–£130k + Equity Company Defyner is a $1M angel-backed brand engineering company building production-grade AI agents for enterprise marketing giants.
Founded in January 2026 by industry veterans from Amazon and WPP, Defyner translates creative strategy into machine-usable guidance, allowing global brands to deploy multi-agent workflows that run securely inside their own infrastructure.
Job Description Own the end-to-end delivery of multi-agent workflows for enterprise clients, turning creative strategy into production-grade systems.
You will architect brand-safe AI operations, design evaluation harnesses to catch hallucinations or tonal drift, and build ‘Brand Code’—the machine-readable foundation layer that ensures AI outputs remain consistent with a company’s unique voice and identity.
Location London, UK / Remote Why this role is remarkable Work at the intersection of AI and branding, building 0→1 systems that solve critical production and governance challenges for world-class enterprise brands.
Join a high-growth founding team backed by a $1M angel round and led by founders with deep strategy expertise from Amazon and WPP.
Scale your impact by developing the core ‘Brand Code’ methodology, turning one-off AI deployments into a repeatable, observable platform layer.
Responsibilities Design and ship brand-safe multi-agent workflows that automate complex marketing tasks while enforcing creative constraints and compliance rules.
Build comprehensive evaluation suites and scorecards that monitor agent performance to catch brand drift, hallucinations, and tonal mismatches in real-time.
Collaborate directly with client stakeholders to translate high-level brand positioning and voice guidelines into structured, machine-readable constraints and logic.
Qualifications Proven experience building, debugging, and deploying production-grade multi-agent systems and tool-using agentic applications.
Strong technical fluency combined with a genuine instinct for brand identity and the ability to translate creative judgment into machine guidance.
Comfortable operating in a high-ownership 0→1 environment, taking responsibility for client relationships and building the technical delivery playbook from scratch. #J-18808-Ljbffr
Brand Engineer (£90k–£130k + Equity) at Defyner employer: Jack & Jill
At Jack & Jill, we pride ourselves on being an exceptional employer that fosters a dynamic and innovative work culture. Our team enjoys a range of benefits including flexible working arrangements, professional development opportunities, and a collaborative environment that encourages creativity and growth. Located in a vibrant area, we offer unique advantages such as access to cutting-edge technology and the chance to work with industry leaders in AI-driven marketing strategies.
