Principal Solutions Engineer - Post-Sales, EMEA

Talon.One; City Of London; Hybrid; GBP 125,000 - 150,000; Full time

Job summary

A leading tech firm in London is seeking a Principal Solutions Engineer to lead enterprise-level API integrations. This position involves collaborating closely with teams to ensure successful customer outcomes and mentoring Technical Account Managers. Ideal candidates should possess over 5 years of relevant experience and a strong understanding of API technologies. The role also offers a flexible working environment with travel opportunities.

Benefits

£850 annual learning budget

30 days of annual leave plus extras

£250 home office setup budget

Freedom to work from abroad for up to 90 days

Group Medical Insurance

Workplace Pension Scheme contributions

Qualifications

• 5+ years in a technical consulting or solutions architecture role.
• Experience integrating API-driven SaaS platforms for enterprise clients.
• Proven ability to lead complex technical projects.

Responsibilities

• Lead design, development, and implementation of API integrations.
• Serve as a trusted advisor to enterprise customers.
• Mentor Technical Account Managers on integration tooling.

Skills

API technologies and tools

Technical consulting

Project management

Communication skills

Integration coding (Python, JavaScript, Java)

Tools

Postman

Swagger (OpenAPI)

AWS

Azure

GCP

Workato

Mulesoft

Zapier

Job description

ABOUT US

Talon.One is the most powerful incentives engine that unifies loyalty, promotions and gamification into one holistic platform. Backed by enterprise-grade security and scalability, Talon.One empowers companies to build personalized, profitable promotions and loyalty programs using any data. Today, over 250 of the world’s most-loved brands including Adidas, Sephora and Carlsberg work with Talon.One to drive deeper engagement and lasting loyalty with their customers.

ABOUT THE ROLE

As our first Principal Solutions Engineer at Talon.One in EMEA, you will be leading enterprise-level API integrations. This newly created role focuses exclusively on delivering these complex integrations, which often span over a year due to their complexity. You will lead the charge on these initiatives, collaborating closely with cross-functional teams while acting as a trusted advisor to ensure customer success. While you won\'t have direct reports, you\'ll be in a unique position to mentor and share your expertise with the US & EMEA Technical Account Management (TAM) team, shaping both technical and project management best practices. This is a rare opportunity to make a significant impact, allowing you the freedom to define the role while driving excellence in integrations.

This role also requires occasional travel, estimated at 10%-20% of the time.

RESPONSIBILITIES

• Serve as a trusted advisor to enterprise customers, offering tailored solutions and long-term architectural strategies
• Lead the design, development, and implementation of large-scale API integrations, ensuring alignment with customer goals, platform capabilities, and industry best practices
• Collaborate with implementation partners and system integrators (SIs) to ensure solution architectures are technically sound and in the customer’s best interest
• Drive project planning for enterprise-level integrations, including scope definition, resource allocation, timeline management, and stakeholder coordination
• Analyze, troubleshoot, and optimize API integrations, ensuring performance, scalability, and long-term maintainability post-launch, using tools like Postman, Swagger, and API gateways
• Evaluate integration outcomes and partner performance, delivering actionable insights for internal teams and future engagement strategies
• Mentor Technical Account Managers on API architecture, integration tooling, and project execution, enhancing team-wide technical depth

WHAT WE NEED YOU TO BRING TO THE TABLE

• 5+ years in a technical consulting, solutions architecture, or developer/contractor role, ideally with direct experience integrating API-driven SaaS platforms for enterprise clients
• Familiarity with API technologies and tools such as REST, SOAP, OAuth, JSON/XML, Postman, Swagger (OpenAPI), and middleware platforms like Workato, Mulesoft, or Zapier
• Proven ability to lead complex technical projects, managing multiple stakeholders, risks, and deliverables in a structured, detail-oriented way
• Strong architectural understanding of modern cloud platforms (AWS, Azure, or GCP) and scalable SaaS systems
• Experience with Commerce Stacks, Consumer Data Platforms, and Consumer Engagement Platforms is a big plus
• Experience in Retail, CPG, Travel, Telco, or Delivery Services is beneficial
• Excellent communication skills, with the ability to explain complex technical topics clearly to both technical and non-technical audiences
• A collaborative, mentor-first mindset, with a passion for growing team capability and improving processes based on real-world integration challenges
• Experience in writing or reviewing integration code in languages such as Python, JavaScript (Node.js), or Java to support and debug integrations

WHAT'S IN IT FOR YOU

• £850 annual learning budget and full LinkedIn Learning access
• 30 days of annual leave, plus extra paid days for your birthday and moving day
• £250 home office setup budget, a £40 monthly home office allowance
• Freedom to work from abroad for up to 90 days worldwide!
• WeWork On-Demand access for flexible workspace solutions
• Group Medical Insurance with BUPA for you and your dependents
• Access to additional health, wellness, and wellbeing platforms through Unum’s Help@Hand, Lifeworks and nilo.health
• We contribute to your Workplace Pension Scheme with NEST (contributions are 4% employer and 4% employee)

WHY YOU SHOULD WORK FOR US

• The right attitude: modern methods and a diverse, creative workspace with an open and international culture
• Everyone for the product:Together we create a flexible, highly scalable product with state-of-the-art technologies. We can only succeed if everyone works as a team
• Healthy Growth: Growing our company means growing everyone in the team. We love to share knowledge and learn
• A great environment:Flexible and family-friendly environment, bright and easily accessible offices, modern software and hardware
• High flexibility degree:Prefer to work early or late at night? Do you have to pick up your children from kindergarten? Do you prefer working abroad? We believe in results and motivated employees

Do you want this job?

We’d love to hear from you! Apply directly via the form below.

Talon.One is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. We do not make employment decisions on the basis of race, color, religious belief, ethnic origin, nationality, sex, gender identity, sexual orientation, disability, age, military or veteran status, or any other basis protected by applicable local, state, or federal laws or prohibited by company policy. As an employer we strive for a healthy and safe workplace and strictly prohibit harassment of any kind.

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