Back-end Developer (Java &Spring Boot/Python)

Salary: £55k to £65k London office. Hybrid role: three days a week on-site in London.

Requirements

• Play a leading role in migrating and rebuilding core architecture in Java Spring Boot to align with a composable, cloud‑native landscape.
• Design and optimize technical connectors for global channels, including generalist marketplaces, social commerce (TikTok Shop), and quick‑commerce (Glovo, Deliveroo).
• Refocus efforts on rebuilding the catalog publication flow, addressing technical complexities such as category mapping, product variant synchronization, and asynchronous marketplace APIs.
• 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.
• Ensure 100% accurate real‑time synchronization of stock and price updates to prevent financial discrepancies and enhance the customer experience.
• Security clearance: role requires baseline personnel security standard and related clearance.

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 Skills

• Experience with Python to facilitate the transition of legacy components.

Benefits

• Development – access to LinkedIn Learning, a management development programme and training.
• Wellness – 24/7 confidential employee assistance programme.
• Social – office parties, pizza Friday and commitment to charitable causes.
• Time off – 25 days of annual leave a year, plus bank holidays, with the option to buy 5 extra days each year.
• Volunteering – 2 paid days per year to volunteer in local communities or within a charity organisation.
• Pension – salary exchange scheme with 4% employer contribution and 5% employee contribution.
• Life Assurance – of 4 times base salary.
• Private Medical Insurance – non‑contributory (spouse and dependants included).
• Worldwide Travel Insurance – non‑contributory (spouse and dependants included).

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