Staff Software Engineer - Java/Spring Platform Architecture & AI-Augmented Engineering

micerate • United Kingdom

Remote Visa Sponsorship

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AI Summary

Lead architecture and modernization of Duetto's high-throughput Java/Spring monolith processing millions of daily rate decisions across global hotels. Design event-driven systems, improve GraphQL APIs, and pioneer AI-assisted development using Claude Code, Claude MPM, and MCP tooling. Mentor engineering teams across US and Europe while driving technical standards and observability.

Key Highlights

Own architecture and technical roadmap of a multi-tenant Java/Spring monolith

Design event-driven data flows with AWS Kinesis, SQS/SNS, and Spring Cloud Stream

Pioneer AI-augmented engineering workflows using Claude Code, Claude MPM, and MCP server platform

Mentor engineers across US and European teams with Staff-level architectural authority

Improve platform observability with OpenTelemetry, Datadog, Prometheus, and Grafana

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Key Responsibilities

Own architecture and technical roadmap of Duetto's Java/Spring monolith

Drive domain decomposition and define service boundaries

Design and build event-driven data flows using AWS Kinesis, SQS/SNS, and Spring Cloud Stream

Improve GraphQL API layer and backend services for hotel pricing, inventory, and demand management

Operate and tune MongoDB, Redis (Redisson), and PostgreSQL for performance and reliability

Strengthen platform observability through OpenTelemetry, Datadog, Prometheus, Grafana, and Sentry instrumentation

Pioneer AI-augmented engineering workflows using Claude Code, Claude MPM, and Duetto's in-house MCP server platform

Drive architecture decisions through design docs and RFCs

Mentor engineers across US and EU teams to raise code quality and system design standards

Technical Skills Required

Java Spring Framework AWS Event-driven architecture GraphQL

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Benefits & Perks

Remote work

Visa sponsorship available

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Nice to Have

Python for tooling, automation, or data workflows

MongoDB at scale experience

AI-assisted development experience

Experience evolving large monoliths toward modular architectures

Familiarity with hospitality domain (PMS/CRS systems, rate management, demand forecasting)

Job Description

Duetto's core Java/Spring platform processes millions of rate decisions daily across thousands of hotels worldwide — and this role owns its architecture and evolution. As Staff Software Engineer on the Dev Platform team, you'll drive domain decomposition, define service boundaries, and lead the modernisation of a high-throughput, multi-tenant system that sits at the heart of everything Duetto ships. You'll also be at the frontier of how AI-augmented engineering works in practice — pioneering workflows using Claude Code, Claude MPM, and Duetto's in-house MCP server platform across US and European engineering teams.

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