More jobs:
Senior Backend Engineer
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-07-27
Listing for:
Connexis Group
Full Time
position Listed on 2026-07-27
Job specializations:
-
Software Development
Backend Developer, Python
Job Description & How to Apply Below
Own the routing engine, billing infrastructure and webhook delivery. Python/FastAPI/MongoDB. We process every inbound lead through code you write — sub-100ms p99 latency, idempotent everything, audit-trail everything.
Who you are- 6+ years building production Python services — async/await fluent
- Deep MongoDB experience including indexing, aggregation, transactions
- Have built billing or payments infra you're proud of
- Care about correctness — money flows through this code
- Own ping-tree v2 (multi-buyer parallel routing)
- Lead the CRM connector platform (Hub Spot/Salesforce/Pipedrive)
- Set the engineering bar for the next 5 hires
Position Requirements
10+ Years
work experience
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:
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:
×