Staff Java Architect — Spring Platform, AI-Driven Scale

Duetto Research; España; A distancia; EUR 120.000 - 170.000; Jornada completa

Descripción de la vacante

Duetto is seeking a Staff Software Engineer to own the Java/Spring platform architecture and modernisation initiatives. You will drive domain boundaries, design data flows with AWS services, and guide multi-tenant system improvements at scale.

You will mentor engineers across US and EU teams and shape engineering standards while advancing AI-assisted development using Claude tools and MCP tooling. Remote work with a global scope is supported.

Formación

• 7+ years building production backend systems at scale.
• Deep expertise in Java — Spring Framework, Gradle, and JVM performance tuning.
• Production experience with event-driven architectures — AWS Kinesis, Kafka, or equivalent.
• AWS production experience across EKS/ECS, S3, SQS/SNS, and IAM.
• A demonstrated track record of driving architecture decisions and authoring design docs without formal authority.

Responsabilidades

• Own the architecture and technical roadmap of Duetto's Java/Spring monolith, driving domain decomposition and service boundaries.
• Design and build event-driven data flows using AWS Kinesis, SQS/SNS, and Spring Cloud Stream; enhance GraphQL APIs and pricing/inventory workflows.
• Tune MongoDB, Redis, and PostgreSQL for high performance in a multi-tenant environment; bolster observability with OpenTelemetry and Datadog tools.
• Lead AI-augmented development workflows using Claude Code, Claude MPM, and MCP tooling across US and EU teams.
• Set architecture patterns through RFCs and design docs; mentor engineers across distributed teams.
• Drive architecture decisions and standards across US and European teams, elevating code quality and system design.

Conocimientos

Java / Spring

System architecture

Event-driven

AWS

Design docs

Herramientas

MongoDB

Redis

PostgreSQL

OpenTelemetry

Terraform

Descripción del empleo

Duetto is seeking a Staff Software Engineer to own the Java/Spring platform architecture and modernisation initiatives. You will drive domain boundaries, design data flows with AWS services, and guide multi-tenant system improvements at scale.

You will mentor engineers across US and EU teams and shape engineering standards while advancing AI-assisted development using Claude tools and MCP tooling. Remote work with a global scope is supported.