> Markdown version of [/jobs/ext/1935930-staff-software-engineer](https://www.wearedevelopers.com/jobs/ext/1935930-staff-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer - **Company:** Cint - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Software Design Patterns, E2e Testing, ReactJS, Grafana, Backend, Kotlin, Event Driven Architecture, Front End Software Development, Code Restructuring - **Published:** August 5, 2026 - **Apply:** https://www.buscojobs.com.es/staff-software-engineer-en-barcelona-ID-365497090 ## About the Role The role emphasizes strong observability, global collaboration, and the use of AI-assisted tools to accelerate refactoring. You'll work on high-impact initiatives that shape the platform powering a large, global marketplace for survey data.Compensaciones / Beneficios* Design patterns for legacy displacement to move domains out of the monolith with zero downtime* Own architectural vision for legacy displacement across the domain, defining patterns and standards* Mentor senior and mid-level engineers and improve design quality through reviews* Build new services and help transition others from Go to Spring across codebases* Partner with product managers to shape requirements and roadmaps balancing debt and value* Communicate effectively across timezones; produce clear async documentation* Improve observability using Grafana and tracing to keep backend systems healthy* Leverage AI tooling (e.g., Claude Code) to accelerate refactoring and development workflowsResponsabilidades* 10+ years of backend engineering experience with production-critical systems* Deep backend expertise with capability to work across languages; frontend experience with React welcomed* Strong collaboration xqbhyrx mindset with mentoring and knowledge sharing* Experience with event-driven architectures and monolith migrations* Commitment to quality with unit, integration, and end-to-end testing* Product-minded pragmatic approach and understanding of business impact* Advocate of observability and system performance monitoringRequisitos principales* Remote-First* High Autonomy* Global impact* Pioneering modernization* Collaborative culture* Recognition and growth opportunities ## Description Experteer Overview Puede obtener más detalles sobre la naturaleza de esta vacante y lo que se espera de los solicitantes leyendo la información a continuación.In this Staff Software Engineer role within the Supply domain, you steer the architectural direction for modernizing a Go-based stack toward Java/Kotlin/Spring, leading cross-domain migration with zero downtime.You will mentor engineers, define patterns, and coordinate with product teams to balance tech debt and new value.The role emphasizes strong observability, global collaboration, and the use of AI-assisted tools to accelerate refactoring.You'll work on high-impact initiatives that shape the platform powering a large, global marketplace for survey data.Compensaciones / Beneficios* Design patterns for legacy displacement to move domains out of the monolith with zero downtime* Own architectural vision for legacy displacement across the domain, defining patterns and standards* Mentor senior and mid-level engineers and improve design quality through reviews* Build new services and help transition others from Go to Spring across codebases* Partner with product managers to shape requirements and roadmaps balancing debt and value* Communicate effectively across timezones; produce clear async documentation* Improve observability using Grafana and tracing to keep backend systems healthy* Leverage AI tooling (e.g., Claude Code) to accelerate refactoring and development workflowsResponsabilidades* 10+ years of backend engineering experience with production-critical systems* Deep backend expertise with capability to work across languages; frontend experience with React welcomed* Strong collaboration xqbhyrx mindset with mentoring and knowledge sharing* Experience with event-driven architectures and monolith migrations* Commitment to quality with unit, integration, and end-to-end testing* Product-minded pragmatic approach and understanding of business impact* Advocate of observability and system performance monitoringRequisitos principales* Remote-First* High Autonomy* Global impact* Pioneering modernization* Collaborative culture* Recognition and growth opportunities ## Related Videos - [Watch Tests Go Brrrr! 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