AI-Driven Technical Implementation Lead

Happl; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Be part of building

Competitive salary

Real equity

Hybrid work from day one

Happl account

Private health insurance

Dental insurance

Wellbeing budget

L&D budget

Pension from day one

Job summary

Happl in London is hiring a Technical Account Manager to own the technical implementation of Happl across a portfolio of accounts. You’ll design architectures, build integrations, and ensure deployments are intelligent, scalable, and set up to grow.

This role sits at the intersection of customer success, product, and engineering, working with HR, Finance, and stakeholders to translate needs into technical solutions that change how teams experience benefits.

Qualifications

• 3+ years in a Technical Account Manager, Implementation Engineer, or similar role within a B2B SaaS environment.
• Own multi-stakeholder implementations end-to-end with the technical depth to design robust solutions.

Responsibilities

• Lead end-to-end customer implementations from discovery through go-live and optimisation.
• Design AI-powered solutions tailored to each customer’s benefits and HRIS landscape.
• Run structured technical discovery sessions and solution workshops.
• Own integrations with HRIS, payroll, and third-party platforms (REST APIs and webhooks).
• Build and automate implementation workflows using AI tools.
• Act as the technical escalation point during go-live and post-launch.
• Create reusable assets—architecture blueprints, playbooks, and tooling.
• Partner with Customer Success to ensure adoption and expansion.
• Feed implementation insights back to Product and Engineering to influence the roadmap.
• Analyse configuration and usage data to spot patterns and risks.
• Champion AI-first working practices in delivery.

Skills

APIs & Integrations

Webhooks

Data integration

AI tools (Claude/ChatGPT)

Communication

Analytical thinking

Project management

Tools

No-code platforms

Job description

Happl in London is hiring a Technical Account Manager to own the technical implementation of Happl across a portfolio of accounts. You’ll design architectures, build integrations, and ensure deployments are intelligent, scalable, and set up to grow.

This role sits at the intersection of customer success, product, and engineering, working with HR, Finance, and stakeholders to translate needs into technical solutions that change how teams experience benefits.