Tech Lead

HT Recruit; Greater London; On-site; GBP 90,000 - 100,000; Full time

Job summary

Quinnox Corporation in London, United Kingdom, seeks an IT Tech Lead for the Banking, Insurance, and Finance sectors. The role focuses on building serverless back-end systems with Python and AWS, leading teams, and delivering scalable fintech solutions.

You will architect, implement, and deploy robust services using Lambda, DynamoDB, API Gateway, S3, and related tools. Strong leadership and security focus are required.

Qualifications

• 10+ years of backend software development experience.
• 6+ years hands-on Python experience.
• Extensive AWS serverless experience (Lambda, DynamoDB, API Gateway, SNS, SQS, S3).
• Experience leading technical teams on fintech/banking projects.
• Strong Python frameworks knowledge (Flask, Django).
• IaC using CloudFormation or Terraform.

Responsibilities

• Architect and develop robust back-end services using Python and AWS serverless technologies.
• Lead and mentor engineers, promoting best practices in software development and DevOps.
• Design scalable, secure cloud-based solutions for fintech products.
• Collaborate with front-end, product, and DevOps teams to deliver high-quality features.
• Implement CI/CD pipelines, tests, and monitoring for rapid deployment.
• Optimize performance, cost, and security of back-end systems.
• Create architecture diagrams, API docs, and deployment guides.

Skills

Python

AWS

Serverless

Leadership

DynamoDB

API Gateway

CI/CD

Terraform

CloudFormation

Security best practices

Microservices

Flask/Django

Tools

AWS Lambda

DynamoDB

API Gateway

S3

CloudWatch

X-Ray

Terraform

CloudFormation

Docker

Kubernetes

Job description

Job Title: IT Tech Lead for the Banking, Insurance, Finance Insurance industry

London, United Kingdom Quinnox Corporation

£ 90,000.00 - 100,000.00 (British Pound Sterling)

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:

• 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:
• Minimum of 10 years of experience in back-end software development, with at least 6 years of hands-on experience in Python.
• Extensive experience with AWS serverless technologies, including Lambda, DynamoDB, API Gateway, SNS, SQS, S3, ECS, EKS and other related services.
• Proven experience in leading technical teams and delivering complex, scalable cloud-based solutions in the fintech or banking sectors.
• Technical Skills:
• Strong proficiency in Python and related frameworks (e.g., Flask, Django).
• Deep understanding of AWS serverless architecture and best practices.
• Experience with infrastructure as code (IaC) tools such as AWS CloudFormation or Terraform.
• Familiarity with RESTful APIs, microservices architecture, and event-driven systems.
• Knowledge of DevOps practices, including CI/CD pipelines, automated testing, and monitoring using AWS services (e.g., Code Pipeline, CloudWatch, X-Ray).
• Leadership:
• Demonstrated ability to lead and mentor engineering teams, fostering a culture of collaboration, innovation, and continuous improvement.
• Problem-Solving:
• Strong analytical and problem-solving skills, with the ability to troubleshoot and resolve complex technical issues in a fast-paced environment.
• Communication:
• 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.

Must be eligible to live and work in the UK to apply for this position.