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# Lead Python Developer

- **Company:** Ion Group Ltd
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Salary:** $180,000.0 - $220,000.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Agile Methodology, Amazon Web Services, Database Models, Python (Programming Language), MongoDB, Multiprocessing, Object-Oriented Software Development, Software Engineering, SQL Databases, Data Streaming, Data Processing, Multithreading, Spring Cloud, Apache Spark, Reliability of Systems, Pytest, Kubernetes, Information Technology, Apache Kafka, Functional Programming, Restful APIs, Docker, Microservices
- **Published:** August 14, 2026
- **Apply:** https://www.dice.com/job-detail/c611a6c4-f87b-452b-9ec2-7fd51af30fad

## About the Role

Lab49 is seeking a skilled Python Developer to work on complex and challenging projects that drive transformative change for top-tier financial services clients. The role involves building next-generation financial systems, developing high-quality, scalable microservices, and creating systems to process various data streams using cutting-edge technologies. Operating in an Agile environment, this position requires strong expertise in Python, experience with market and credit counterparty risk platforms, and proficiency in developing cloud-native applications on AWS., * 8+ years of commercial-grade software development experience with complex applications.

 * Strong expertise in Python 3.4+, including advanced language features, asynchronous operations, and OOP/functional programming principles.
 * Proven experience withmarket and credit counterparty risk platforms (optional).
 * Experience developing cloud-native applications on AWS (mandatory).
 * In-depth knowledge of microservices architecture and data modeling.
 * Expertise in messaging, streaming, and REST API development.
 * Familiarity with tools like Consul, Docker, Kubernetes, Kafka, and Spark.
 * Proficiency in Agile development methodologies.
 * Bachelor's or Master's degree in Computer Science, Engineering, Physics, Math, or equivalent work experience.

## Description

* Develop scalable Python-based microservices to process data streams using streaming, messaging, and REST technologies.
 * Design and implement robust solutions for market and credit counterparty risk platforms.
 * Utilize advanced Python features, such as context managers, decorators, and descriptors, to build efficient and maintainable code.
 * Architect and implement solutions using Consul, Docker, Kubernetes, Kafka, and Spark.
 * Collaborate with cross-functional teams in an Agile environment to deliver high-quality financial systems.
 * Create and optimize database models for SQL, MongoDB, and key-value stores.
 * Build and maintain testing frameworks using Behave and PyTest to ensure software reliability.
 * Design and implement asynchronous operations, multithreading, and multiprocessing in Python.
 * Develop and deploy cloud-native applications in AWS environments.
 * Lead the design and integration of messaging, streaming, and REST APIs.
 * Ensure high-performance, scalable solutions with consistent deployment processes.


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