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Date Added: Thu 12/03/2026

Python Developer

London, G2, UK
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Company: ASCENDION

Job Type: Permanent, Contract, Full Time

Job description:
* We are looking for an experienced Python Backend Developer with strong cloud expertise and hands-on experience building or supporting enterprise-grade platforms.
* This role is ideal for someone who has worked on complex, high-performance systems such as trading platforms, financial systems, or other large-scale enterprise applications.
Key Responsibilities
*
Design, develop, and maintain scalable backend services using Python
*
Build and enhance REST APIs and microservices
*
Work on high-throughput, low-latency systems
*
Deploy and manage applications on AWS cloud infrastructure
*
Collaborate with cross-functional teams including DevOps and architecture
*
Optimize performance, scalability, and system reliability
*
Work with SQL/NoSQL databases and large datasets
Required Skills & Experience:
*
Strong backend development experience with Python
*
Proven experience working on enterprise-grade trading platforms OR complex enterprise systems.
*
Hands-on experience with AWS (compute, storage, networking, security)
*
Experience building high-performance, scalable systems
*
Strong knowledge of REST APIs, microservices, and distributed systems
*
Experience with SQL and/or NoSQL databases
*
Familiarity with data querying tools such as Athena
*
Understanding of CI/CD pipelines and DevOps practices
*
Experience with Docker/Kubernetes is a plus
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