Senior Partner Solutions Engineer

About the role

We’re looking for a Partner Solutions Engineer to own the technical side of our partnerships; from scoping a real use case to shipping an MVP integration and enabling co-selling. You’ll be the technical counterpart to our partners and a bridge between our GTM and product/engineering teams.

What you’ll do:

• Work with partners to confirm the problem, the joint workflow, and what “good” looks like

• Write a short MVP spec (target: ship in 4-6 weeks), including success metrics and risks

• Design and implement auth and data flows (OIDC/SAML, OAuth, least-privilege scopes)

• Build the MVP: APIs, webhooks/polling, idempotent writes, retries, rate-limit handling, feature flags

• Stand up safe test environments (sandbox/tenant), sample data, and pass security reviews

• Instrument logging and basic health metrics; document runbooks, alerts, rollback

• Create enablement assets (solution brief, OpenAPI/Postman, quickstart, demo) and train partner SEs/AEs

• Join select late-stage calls to de-risk architecture questions and speed decisions

What you'll bring:

• 6-10 years in solutions engineering, product, or technical integrations roles for B2B SaaS; you’ve delivered partner integrations end-to-end OR have 0 to 1 product experience

• Comfort with API testing and documentation, light scripting/automation, and basic monitoring and diagnostics

• Clear technical communication skills with both internal and external audiences

• Track record delivering integrations for enterprise clients with scale/complexity (multi-tenant, rate limits, uptime SLAs).

• Proven history of enabling sales and partnerships: not just “building integrations” but helping commercial teams sell them.

• Experience working in fast-moving environments where scoping, prioritisation, and resource trade-offs are key.

We’ll be lucky if:

• You’ve previously worked within legal tech

• 💰 Competitive salary & annual bonus

• 📈 Equity in Definely

• 🎉 Annual company offsite

• 🏠 Remote working with occasional travel to customers

• 🏖️ 25 days holiday + public holidays

• 📚 $750 annual learning & development budget

• 🩺 Healthcare (incl. dental & optical)

• 👶 Enhanced parental leave

Definely is revolutionising how legal professionals access and understand information in complex documents. Our LegalTech solutions integrate directly into legal workflows, enabling teams to draft, review, and interpret contracts more efficiently, without breaking focus.

We’re proud to be recognised among the Top 25 in Deloitte’s UK Technology Fast 50 and backed by Revaia, Microsoft, Google, and Octopus Ventures. Trusted by top firms like A&O Shearman, Dentons, Deloitte, and Barclays, we’re building tools that empower legal teams to work smarter and reduce risk.

At Definely, you’ll be part of a mission-driven, collaborative, and ambitious team committed to innovation and growth.

Data Privacy Notice

‍By submitting your application, you agree that DEFEYENE LEGAL SOLUTIONS LIMITED ('Definely') may collect, process, and store your personal data as part of our recruitment process. We will use the information you provide to assess your qualifications for the role you are applying for and to communicate with you regarding your application.Your personal data will be stored for up to 12 months, after which it will be securely deleted unless we have another lawful basis to retain it. You have the right to access, correct, or request the deletion of your data at any time.For more details on how we handle your personal data and your rights, please send us an email to [email protected] and we will send your our privacy policy.

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