Company Overview

The organisation operates within the fintech and digital banking sector, developing technology solutions that connect financial institutions, payment providers, and digital financial applications. Its technology environment focuses on secure financial connectivity, open banking infrastructure, automated transactions, and reliable access to financial information.

Role Summary

The Open Banking API Developer will design, develop, and maintain API-driven solutions that enable secure communication between banking institutions, fintech applications, and third-party financial service providers.

The position focuses on building reliable integrations for account information access, payment initiation, transaction retrieval, and financial data exchange. The successful candidate will work with software engineers, product specialists, and security professionals to deliver scalable open banking services that meet technical and regulatory requirements.

Key Responsibilities

• Develop and maintain APIs connecting banking institutions with fintech applications.

• Implement secure integrations for account information and payment initiation services.

• Build backend services supporting financial data retrieval and transaction processing.

• Work with REST APIs, webhooks, and structured financial data formats.

• Implement authentication and authorisation mechanisms for banking connectivity.

• Maintain secure communication between internal systems and external financial institutions.

• Investigate API failures, connectivity issues, and data synchronisation problems.

• Develop automated tests to validate API functionality and reliability.

• Collaborate with product teams to translate open banking requirements into technical solutions.

• Maintain API documentation and integration specifications.

• Support performance optimisation and application scalability.

• Follow secure software development practices and relevant data protection requirements.

Requirements and Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or Information Technology.

• At least three years of experience in backend or API development.

• Strong proficiency in Python, Java, Node.js, or similar technologies.

• Practical experience developing RESTful APIs and web services.

• Knowledge of OAuth 2.0, OpenID Connect, and API security.

• Understanding of JSON, HTTP protocols, and webhooks.

• Familiarity with SQL and relational database systems.

• Knowledge of banking APIs or open banking frameworks.

• Understanding of PSD2 and European financial technology standards is an advantage.

• Experience with Git, automated testing, and CI/CD processes.

• Strong debugging, analytical, and technical documentation skills.

Benefits

• Fully remote working arrangement within Estonia.

• Opportunity to work on modern open banking infrastructure.

• Exposure to international financial technology integrations.

• Professional development in API engineering and banking technology.

• Collaborative software development environment.

• Access to modern engineering tools and technologies.

Application Instructions

Candidates should submit an updated CV outlining their backend development and API integration experience. Applicants are encouraged to include examples of banking integrations, payment APIs, open banking projects, or other financial technology solutions they have developed.

Are you interested in this position?

Apply by clicking on the “Apply Now” Button below!

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