Job Description

Principal Solution Architect (Engineering)
Department: Engineering
Employment Type: Full Time
Location: London
Reporting To: CTO
Compensation: 100,000 - 110,000 / year
Description
Reward Gateway, together with Edenred, are a global market leader in benefits and employee engagement. We help our clients and their leaders to transform employee experience that will attract, engage and retain top talent through employee benefits, strategic reward and recognition, well-being, and much more.
With our shared missions of 'Making the World a Better Place to Work" and 'Enriching connections, For good'. You'll be contributing to improving employee engagement and building better, stronger and more resilient organisations to improve people's daily lives. Our shared mission guides our every action and charts a sustainable path to a better future.
We're looking for a hands-on Principal Solution Architect to contribute to shaping the future of Reward Gateway's technology landscape You will be part of the team defining and implementing architectural solutions that support platform modularisation, authentication, CRM and marketing integrations, and scalable system design. You'll work closely with product, engineering, and business teams to turn big ideas into practical, high-impact solutions.
Key Responsibilities:
Authentication & Identity Strategy

• Design secure, scalable authentication flows across Edenred+ and Reward Gateway.
• Address multi-program user scenarios and SSO challenges across web and mobile platforms, in coordination with the group strategy on the topic.

Platform Architecture

• Lead architectural design for modular monoliths and microservices, based on DDD approach.
• Ensure scalability, reliability, and compliance with GDPR and Edenred standards.

Integration & Data Connectivity

• Architect integrations with CRM tools (Braze, Heap.io, LaunchDarkly) and Edenred's broader ecosystem.
• Support convergence initiatives with platforms like Smarter and Explorer.

Technical Leadership

• Championing technology standards and patterns across engineering teams
• Contributing to enterprise roadmaps and technology strategy
• Guide engineering teams on architectural best practices.
• Participate in code reviews and mentor developers on secure and efficient design patterns.

Cross-functional collaboration

• Regular collaboration with enterprise architects on strategic alignment
• Partnership with security and compliance teams on governance requirements
• Engagement with other solution architects to ensure consistency

Documentation & Governance

• Produce architectural blueprints and transition plans.
• Collaborate with COEs to align with Edenred's global architecture census and governance models
• Accountability for the creation and maintenance of architectural decision records.
• Participate in architecture review processes and approval workflows
• Ensure compliance with enterprise architecture standards and patterns, identifying and controlling divergences from established patterns
• Escalate architectural decisions that require broader organisational input

Skills and experience required:

• 5+ years in software architecture roles, ideally within large-scale cloud-native platforms.
• Deep practical knowledge and experience in domain-driven design
• Strong developer experience and knowledge around PHP is a nice-to-have
• Deep understanding of OpenID Connect, OAuth2, and SAML protocols
• Experience with CRM, Marketing, feature flagging, and analytics tools (Braze, Heap.io, Mixpanel)
• Proven ability to lead architectural migrations and manage technical debt.
• Excellent communication and stakeholder engagement skills

The interview process:

• Online interview with the Senior Talent Partner
• Online interview with the CTO
• Online interview with the VP of Engineering and CPO

Be comfortable. Be you.
At Reward Gateway, we want all of our employees to feel comfortable bringing their passion, creativity and individuality to work. We value all cultures, backgrounds and experiences, as we truly believe that diversity drives innovation. Express yourself, join our community and help us Make the World a Better Place to Work.

Skills Required