Fully remote, UK-based £400 – £500 per day (Outside IR35)
3–6 Month Contract
Esenda powers over £1.5bn of inbound and outbound payments annually, in the education space - from tuition and catering fees to supplier payments and payroll.
We’re a revenue-generating startup with strong product-market fit, and we’re growing fast.
Design, build, and ship reliable backend services and APIs in Python (Flask) that power core product functionality.
Own features end-to-end: data modelling (Postgres), API design, testing, production rollout and ongoing improvements.
Help uphold strong engineering standards through thoughtful code reviews, testing discipline, clean architecture, and pragmatic decision-making.
Improve service reliability and operability: monitoring, alerting, logging, runbooks, and reducing on-call toil over time.
CI/CD improvements, incremental shipping, and maintaining a high-quality codebase.
5+ years experience building and operating production backend systems.
~ Strong experience with Python, and hands-on use of Flask (or similar frameworks).
~ Solid understanding of Postgres (schemas, migrations, query performance, transactions).
~ Comfortable shipping in cloud environments—ideally AWS—and working with modern CI/CD pipelines.
~ A strong quality mindset: you care about maintainability, security, reliability, and clear documentation.
Bonus points for
Payments/fintech knowledge (reconciliation, idempotency, auditability, ledger concepts).
Python, Flask
Data: Postgres
Cloud: AWS
Delivery: CI/CD, automated testing, observability tooling
Pragmatic, high-ownership teams with a bias to shipping
Clear communication, strong collaboration, and continuous improvement
Code reviews and sensible standards that keep quality high without slowing delivery
or continue with email
3–6 Month Contract
Esenda powers over £1.5bn of inbound and outbound payments annually, in the education space - from tuition and catering fees to supplier payments and payroll.
We’re a revenue-generating startup with strong product-market fit, and we’re growing fast.
Design, build, and ship reliable backend services and APIs in Python (Flask) that power core product functionality.
Own features end-to-end: data modelling (Postgres), API design, testing, production rollout and ongoing improvements.
Help uphold strong engineering standards through thoughtful code reviews, testing discipline, clean architecture, and pragmatic decision-making.
Improve service reliability and operability: monitoring, alerting, logging, runbooks, and reducing on-call toil over time.
CI/CD improvements, incremental shipping, and maintaining a high-quality codebase.
5+ years experience building and operating production backend systems.
~ Strong experience with Python, and hands-on use of Flask (or similar frameworks).
~ Solid understanding of Postgres (schemas, migrations, query performance, transactions).
~ Comfortable shipping in cloud environments—ideally AWS—and working with modern CI/CD pipelines.
~ A strong quality mindset: you care about maintainability, security, reliability, and clear documentation.
Bonus points for
Payments/fintech knowledge (reconciliation, idempotency, auditability, ledger concepts).
Python, Flask
Data: Postgres
Cloud: AWS
Delivery: CI/CD, automated testing, observability tooling
Pragmatic, high-ownership teams with a bias to shipping
Clear communication, strong collaboration, and continuous improvement
Code reviews and sensible standards that keep quality high without slowing delivery
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