×
Register Here to Apply for Jobs or Post Jobs. X

Back-end Developer; Java & Boot​/Python

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: United States Digital Space LLC
Full Time position
Listed on 2026-06-15
Job specializations:
  • Software Development
    Backend Developer, Java Developer
Salary/Wage Range or Industry Benchmark: 55000 - 65000 GBP Yearly GBP 55000.00 65000.00 YEAR
Job Description & How to Apply Below
Position: Back-end Developer (Java &Spring Boot/Python)
Location: Greater London

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.

Requirements

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., Tik Tok 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  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.

Benefits As well as this, we offer:
Development

Access to Linked In 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).

#J-18808-Ljbffr
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary