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

Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis. This is a hybrid role, requiring three days a week on-site in our London office. Architectural Rebuild: Play a leading 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 (e.g., TikTok Shop), and quick-commerce (e.g., 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 Note: This role will require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected. Details of this will be discussed with you at interview Working at Methods Methods exists to improve society by helping people make better decisions with data. Combining passionate people, sector-specific insight, and technical excellence to provide our customers an end-to-end data service. We use a collaborative, creative and user centric approach to data to do good and solve difficult problems. Ensuring that our outputs are transparent, robust, and transformative. We value discussion and debate as part of our approach. We will question assumptions, ambition, and process – but do so with respect and humility. We relish difficult problems, and overcome them with innovation, creativity, and technical freedom to help us design optimum solutions. Ethics, privacy, and quality are at the heart of our work, and we will not sacrifice these for outcomes. We treat data with respect and use it only for the right purpose. Our people are positive, dedicated, and relentless. Data is a vast topic, but we strive for interactions that are engaging, informative and fun in equal measure. But maintain a steely focus on outcomes and delivering quality products for our customers. We are passionate about our people; we want out colleagues to develop the things they are good at and enjoy. By joining us you can expect Autonomy to develop and grow your skills and experience Be part of exciting project work that is making a difference in society Strong, inspiring, and thought-provoking leadership A supportive and collaborative environment As well as this, we offer: 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 our 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 which is non-contributory (spouse and dependants included) Worldwide Travel Insurance which is non-contributory (spouse and dependants included)