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Senior Full-Stack Software Engineer - Core & Intelligence Platform

oag • United Kingdom
Remote
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OAG Digital is seeking a Senior Full-Stack Engineer to own end-to-end feature development across Core (auth, entitlements, billing) and Intelligence (AI-powered insights, predictive models) layers. The role requires building customer-facing experiences, evolving platform architecture, and leading technical strategy while mentoring junior engineers. Candidates must have extensive full-stack experience, strong front-end skills, and AI-native development practices.

Key Highlights
End-to-end feature ownership from problem-shaping to production release
Full-stack development with emphasis on Core platform and AI-powered Intelligence layer
Mentorship and leadership in technical decisions and engineering strategy
AI-native tooling integration and data pipeline management on Databricks/Snowflake
Key Responsibilities
Own features end-to-end from problem-shaping with Product and Design through implementation, testing, production releases and future enhancements
Build customer-facing experiences and the backend systems and data models behind them
Evolve platform architecture across Core and Intelligence for scalability, reliability, and sustainability
Lead technical decisions and engineering strategy balancing innovation with pragmatism
Build core platform capabilities including auth, entitlements, billing integrations, and usage management
Integrate AI models, data pipelines, and event-driven systems on Databricks and Snowflake into the Intelligence layer
Maintain quality bar through code reviews, automated testing, observability, and CI/CD
Support junior and mid-level engineers and help them grow
Technical Skills Required
Full-stack development React TypeScript C# CI/CD pipelines Automated testing Relational and NoSQL databases
Benefits & Perks
Flexible working arrangements
Simplyhealth cash plan
Company bonus scheme
Octopus EV salary sacrifice scheme
Enhanced pension scheme
25 days holiday plus bank holidays
Volunteering days
Additional day off during birthday month
Remote work anywhere in the world for up to 1 month per year
Annual learning and development budget
Nice to Have
Databricks or Snowflake experience
AI/ML in production experience
Consumption-based and subscription billing
Self-serve billing platform integrations
Aviation, travel, or data-as-a-service business exposure
Standing up or improving engineering foundations for new product or team
Portfolio showing raised bar on UX, performance, or product craft

Job Description

OAG is the essential intelligence partner transforming global travel. For nearly a century, we've been the foundation the travel industry builds on, trusted, proven, essential. Today, we're going beyond.We combine unmatched data quality, quantity and access with breakthrough technology and deep industry expertise to deliver what the industry truly needs: not just more data, but better answers. From real-time operational intelligence to strategic decision-making, we power the entire travel ecosystem, from airlines and airports to technology companies and financial institutions.
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