Python Developer with AWS

Andersen seeks an experienced 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:

• Designing and implementing various services and functions using Python and serverless components of the AWS cloud based on provided requirements/tasks specifications.
• Resolving bugs and helping support teams with issues investigations.
• Supporting QA teams and business analysis with the inputs from development.
• Being an essential part of a Kanban-based team (be present on standups, clearly report progress, plans and blockers).

Must-haves:

• Commercial experience with Python for 3+ years.
• 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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