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Python developer (high-throughput/low-latency)

London
Ascendion
Python developer
Posted: 15 March
Offer description

Job Description

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

About Us:

Ascendion is a leading provider of AI-first software engineering services. Our applied AI, software engineering, cloud, data, experience design, and talent transformation capabilities accelerate innovation for Global 2000 clients. Ascendion is headquartered in New Jersey. In addition to our remote/hybrid workforce, we have 30+ offices across the U.S., UK, Poland, Romania, India, Australia and Mexico. We are committed to building technology powered by Generative AI with an inclusive workforce, service to our communities, and a vibrant culture. For more information, please go to www.ascendion.com.

Please let me know the best time and number to connect with you or please give me a call on +44 204-571-6547 or send your resume on (Renisha.panchal@ascendion.com) to discuss this further. Also, if you happen to know anyone who fits this role, please send us their resume. We do have a referral policy.

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