Lead Python backend developer

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Company
Response Informatics
Job location
London, UK
Salary
Undisclosed
Posted
Hosted by
Adzuna

Job details

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:  Architect and Develop Solutions: Design and implement robust, scalable, and secure back-end services using Python and AWS serverless technologies.  Serverless Application Development: Build and maintain serverless applications leveraging AWS Lambda, DynamoDB, API Gateway, S3, SNS, SQS, and other AWS services.  Leadership: Provide technical leadership and mentorship to a team of engineers, promoting best practices in software development, testing, and DevOps.  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.  Automation and CI/CD: Implement and manage CI/CD pipelines, automated testing, and monitoring to ensure high availability and rapid deployment of services.  Performance Optimization: Optimize back-end services for performance, scalability, and cost-effectiveness, ensuring the efficient use of AWS resources.  Security: Ensure that all solutions adhere to industry best practices for security, including data protection, access controls, and encryption.  Documentation: Create and maintain comprehensive technical documentation, including architecture diagrams, API documentation, and deployment guides.  Problem Solving: Diagnose and resolve complex technical issues in production environments, ensuring minimal downtime and disruption.  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: o Minimum of 10 years of experience in back-end software development, with at least 6 years of hands-on experience in Python. o Extensive experience with AWS serverless technologies, including Lambda, DynamoDB, API Gateway, SNS, SQS, S3, ECS, EKS and other related services. o Proven experience in leading technical teams and delivering complex, scalable cloud-based solutions in the fintech or banking sectors.  Technical Skills: o Strong proficiency in Python and related frameworks (e.g., Flask, Django). o Deep understanding of AWS serverless architecture and best practices. o Experience with infrastructure as code (IaC) tools such as AWS CloudFormation or Terraform. o Familiarity with RESTful APIs, microservices architecture, and event-driven systems. o Knowledge of DevOps practices, including CI/CD pipelines, automated testing, and monitoring using AWS services (e.g., CodePipeline, CloudWatch, X-Ray).  Leadership: o Demonstrated ability to lead and mentor engineering teams, fostering a culture of collaboration, innovation, and continuous improvement.  Problem-Solving: o Strong analytical and problem-solving skills, with the ability to troubleshoot and resolve complex technical issues in a fast-paced environment.  Communication: o Excellent verbal and written communication skills, with the ability to effectively convey technical concepts to both technical and non-technical stakeholders. Preferred Qualifications:  Experience with other cloud platforms (e.g., Azure, GCP) and containerization technologies like Docker and Kubernetes.  Familiarity with financial services industry regulations and compliance requirements.  Relevant certifications such as AWS Certified Solutions Architect, AWS Certified Developer, or similar.
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