Andersen seeks a Tech Lead Python Developer with AWS for a UK digital bank project. The role supports onboarding customers to a Core Banking System, enhancing savings products to boost market flexibility, competitiveness, and liquidity for mortgage growth.
The customer is a UK-based digital bank. This innovative financial institution specializes in delivering straightforward savings and lending products through a modular, tech-driven approach. With operations rooted in Wales and London, it focuses on underserved customer segments by offering tailored solutions such as dynamic-rate personal loans and simplified mortgage services. It continues to grow rapidly, combining fintech agility with the stability of a fully licensed bank.
The project aims to enable the onboarding of new customers onto a Core Banking System across a variety of savings account types, including fixed term, easy access, and notice accounts.
Technology stack on the project: Python, AWS, Git Flow, GitHub, Git Actions, CI/CD, RESTful API, SQL.
Responsibilities:
- Mentoring and leading other engineers to build scalable, performant and reliable systems that are easily testable and maintainable.
- Collaborating with and leading cross-functional teams to design and implement new features and functionality.
- Participating in code and design reviews and providing recommendations to other team members.
- Using your expert knowledge and experience to lead architectural discussions with your team and contribute to the optimization and automation of manual processes.
Must-haves:
- Commercial experience with Python for 4+ years.
- Pervious experience as a Tech/Team Lead.
- Practical experience with AWS services such as DynamoDB, API Gateway, AWS Lambda, S3, Step functions, SQS, SNS, EventBridge, Secrets manager.
- Experience with serverless architecture (idempotency, impact of lambda cold starts, error handling (e.g. retries), event schema management, design patterns, and best practices.
- Basic understanding of security concepts in general and in AWS (IAM permissions).
- Experience with building event-driven systems and experience with event-driven messaging patterns and techniques like Event Sourcing and CQRS.
- Proficiency in Git Flow, GitHub, and Git Actions.
- Practical experience with CI/CD processes, specifically using CloudFormation/Terraform.
- Experience with RESTful APIs.
- Development experience with SQL.
- Level of English – from Intermediate and above.
Nice-to-haves:
- Experience in FinTech and Banking (or understanding of the industry).
- Understanding of exception handling.
Reasons why this job would be interesting to you:
- Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..
- The opportunity to change the project and/or develop expertise in an interesting business domain.
- Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
- Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
- The opportunity to earn an additional up to 1,000 EUR per month by participating in the company's activities.
- Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
- Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
- Certification compensation (AWS, PMP, etc).
- Referral program.
- English courses.
- Private health insurance and compensation for sports activities.
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