Python Developer with AWS

Summary

Andersen is hiring a Python Developer with AWS to build onboarding services for a UK digital bank, expanding savings products and improving scalability and reliability of the core banking platform.

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 is focused on enabling customer onboarding to a core banking platform for a range of savings products, including fixed-term, easy-access, and notice accounts. Its mission is to diversify the savings portfolio, improve market competitiveness, and strengthen liquidity to support broader financial offerings.

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).

Requirements

• Commercial experience with Python for 4+ 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 – Intermediate+.

Desired skills

• Experience in FinTech and Banking (or understanding of the industry).
• Understanding of exception handling.

Other important skills for the vacancy are described in the knowledge matrix

Reasons to join us

• 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 up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, 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.

Join us!