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Back-end Developer (Java &Spring Boot/GCP) - inside IR35

Methods Business and Digital Technology

London, UKhybridPosted Jun 8, 2026
Posting intelligenceActively listed

Skills

postgreskubernetesspringpythonredisjavagooglecloud

About the role

Methods is looking for a Back End Developer specialising in Java Spring Boot and GCP(Google Cloud Platform) to join our team within the private Sector Business unit.

Rate: £490 inside IR35

Duration: 6 month initially

Location: Hybrid; 3days/w in London office

Key skillsets: GCP(Google Cloud Platform)Java/Spring Boot

Requirements

Architectural Rebuild:

Play a role in migrating and rebuilding our core architecture in Java Spring Boot to align with a composable, cloud-native landscape.

Connector Development: Design and optimize technical connectors for a diverse mix of global channels, including generalist marketplaces, social commerce (eg, TikTok Shop), and quick-commerce (eg, Glovo, Deliveroo).

Catalog Publication Flow: Refocus efforts on rebuilding the catalog publication flow, addressing technical complexities such as category mapping, product variant synchronization, and asynchronous marketplace APIs.

Business Logic Migration: Collaborate on transferring complex Legacy business rules (pricing calculations, stock filtering, and fulfilment decisions) into the dedicated BCP assets to ensure OMC focuses purely on orchestration and connectivity.

System Reliability: Ensure 100% accurate Real Time synchronization of stock and price updates to prevent financial discrepancies and enhance the customer experience

Technical Skills

Java Spring Boot: Confirmed level proficiency for the architectural rebuild

Database: PostgreSQL

Cache: Redis/Valkey

Architecture: REST Architecture and Event-Driven architecture.

Cloud & Infrastructure: Google Cloud Platform GCP and Kubernetes clusters

Desirable

Experience with Python to facilitate the transition of Legacy components.

Private sector experiences

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