Senior Python Developer (Tech Lead)

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Senior Python Developer (Tech Lead), London

Client:

RGH-Global Limited

Location:

London, United Kingdom

Job Category:

Other

EU work permit required:

Yes

Job Reference:

03ab73238887

Job Views:

8

Posted:

24.04.2025

Expiry Date:

08.06.2025

Job Description:

Job Title: Tech Lead

Job Summary:

We are seeking a highly skilled Tech Lead to design, develop, and maintain serverless applications using Python and AWS technologies. The ideal candidate will have extensive experience in building scalable, high-performance back-end systems and a deep understanding of AWS serverless services such as Lambda, DynamoDB, SNS, SQS, S3, and others. This role requires a strong technical leader who can guide teams, architect solutions, and contribute to the overall success of our fintech products.

Key Responsibilities:

1. Architect and Develop Solutions: Design and implement robust, scalable, and secure back-end services using Python and AWS serverless technologies.
2. Serverless Application Development: Build and maintain serverless applications leveraging AWS Lambda, DynamoDB, API Gateway, S3, SNS, SQS, and other AWS services.
3. Leadership: Provide technical leadership and mentorship to a team of engineers, promoting best practices in software development, testing, and DevOps.
4. Collaboration: Work closely with cross-functional teams including front-end developers, product managers, and DevOps engineers to deliver high-quality solutions that meet business needs.
5. Automation and CI/CD: Implement and manage CI/CD pipelines, automated testing, and monitoring to ensure high availability and rapid deployment of services.
6. Performance Optimization: Optimize back-end services for performance, scalability, and cost-effectiveness, ensuring the efficient use of AWS resources.
7. Security: Ensure that all solutions adhere to industry best practices for security, including data protection, access controls, and encryption.
8. Documentation: Create and maintain comprehensive technical documentation, including architecture diagrams, API documentation, and deployment guides.
9. Problem Solving: Diagnose and resolve complex technical issues in production environments, ensuring minimal downtime and disruption.
10. Continuous Improvement: Stay updated with the latest trends and best practices in Python, AWS serverless technologies, and fintech/banking technology stacks, and apply this knowledge to improve our systems.

Qualifications:

Experience:

1. Minimum of 10 years of experience in back-end software development, with at least 6 years of hands-on experience in Python.
2. Extensive experience with AWS serverless technologies, including Lambda, DynamoDB, API Gateway, SNS, SQS, S3, ECS, EKS and other related services.
3. Proven experience in leading technical teams and delivering complex, scalable cloud-based solutions in the fintech or banking sectors.

Technical Skills:

1. Strong proficiency in Python and related frameworks (e.g., Flask, Django).
2. Deep understanding of AWS serverless architecture and best practices.
3. Experience with infrastructure as code (IaC) tools such as AWS CloudFormation or Terraform.
4. Familiarity with RESTful APIs, microservices architecture, and event-driven systems.
5. Knowledge of DevOps practices, including CI/CD pipelines, automated testing, and monitoring using AWS services (e.g., CodePipeline, CloudWatch, X-Ray).

Leadership:

1. Demonstrated ability to lead and mentor engineering teams, fostering a culture of collaboration, innovation, and continuous improvement.

Problem-Solving:

1. Strong analytical and problem-solving skills, with the ability to troubleshoot and resolve complex technical issues in a fast-paced environment.

Communication:

1. Excellent verbal and written communication skills, with the ability to effectively convey technical concepts to both technical and non-technical stakeholders.

Preferred Qualifications:

1. Experience with other cloud platforms (e.g., Azure, GCP) and containerization technologies like Docker and Kubernetes.
2. Familiarity with financial services industry regulations and compliance requirements.
3. Relevant certifications such as AWS Certified Solutions Architect, AWS Certified Developer, or similar.