European Implementation Engineer for FinTech Integrations

Plaid; City Of London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Plaid Europe is seeking an Implementation Engineer to own customer integrations from contract signing to live production and growth. You will draft integration plans, run kickoff, debug with customers' engineers, validate sandbox, and guide go-live while keeping the Account Manager updated with actionable notes.

You will also onboard existing customers adopting a new Plaid product, develop reusable resources, and help the team scale by documenting common pitfalls, checklists, and best practices

Qualifications

• 4+ years in a customer-facing technical role, such as implementation, integration, solutions, or technical account management.

Responsibilities

• Own a portfolio of customer integrations from signature to production launch, including plans, milestones, and exit criteria.
• Run scheduled implementation support for standard integrations, as well as one-off debugging engagements for customers who need a targeted fix.
• Lead technical onboarding for existing customers adopting a new Plaid product, use case, or market.
• Debug integration issues hands-on with customer engineers across API, SDK, OAuth redirect, and webhook behaviour.
• Validate sandbox implementations and run go-live readiness checks.
• Use Plaid's own data to proactively diagnose integration and conversion problems.
• Produce written handovers to Account Management and maintain the team's reusable implementation resources.
• Escalate recurring integration failures to Product and Engineering as clear patterns, backed by evidence.

Skills

REST APIs

OAuth

Webhooks

JSON

SDKs

Postman

Curl

SQL

Technical ownership

Written communication

Independent work

Tools

Postman

Curl

Job description

Plaid Europe is seeking an Implementation Engineer to own customer integrations from contract signing to live production and growth. You will draft integration plans, run kickoff, debug with customers' engineers, validate sandbox, and guide go-live while keeping the Account Manager updated with actionable notes.

You will also onboard existing customers adopting a new Plaid product, develop reusable resources, and help the team scale by documenting common pitfalls, checklists, and best practices