Company Overview

The organisation operates within the financial technology industry, developing digital payment solutions and technology infrastructure that connect merchants, financial institutions, banking platforms, and payment service providers. Its technical environment focuses on secure transaction processing, reliable system integrations, and scalable backend services that support modern electronic payment operations.

Role Summary

The Junior Backend Payment Integration Developer will assist with developing, maintaining, and integrating backend services that facilitate electronic payment processing and financial data exchange. The role focuses on supporting payment APIs, implementing backend functionality, troubleshooting integration issues, and maintaining reliable communication between internal applications and external payment providers.

This opportunity is designed for an early-career software developer interested in backend engineering and financial technology. The successful candidate will work alongside experienced engineers to support payment integration projects, improve transaction workflows, and contribute to the reliability of digital financial services.

Key Responsibilities

• Assist with developing and maintaining backend components for digital payment applications.

• Support the integration of third-party payment gateways and financial service APIs.

• Implement basic REST API endpoints for payment-related application functionality.

• Assist with processing payment requests, transaction statuses, and settlement notifications.

• Work with senior developers to investigate backend errors and integration failures.

• Support the implementation of request validation and error-handling mechanisms.

• Assist with maintaining database records relating to payment activities and transaction histories.

• Participate in testing payment integrations and verifying transaction data.

• Review technical documentation and contribute to internal development resources.

• Support the maintenance of secure communication between financial applications and external services.

• Participate in code reviews and follow established backend development standards.

Requirements and Qualifications

• Bachelor’s degree or diploma in Computer Science, Software Engineering, Information Technology, or a related discipline.

• Basic programming knowledge in Python, Java, PHP, Node.js, or a similar backend language.

• Understanding of REST APIs, HTTP methods, JSON, and backend application architecture.

• Basic knowledge of relational databases such as PostgreSQL or MySQL.

• Familiarity with Git and version control workflows.

• General understanding of payment gateways, electronic transactions, or banking integrations is advantageous.

• Basic knowledge of authentication, API security, and data validation.

• Strong problem-solving and analytical abilities.

• Good communication and technical documentation skills.

• Ability to learn new technologies and collaborate within a distributed engineering team.

Benefits and Development Opportunities

• Fully remote working arrangement within Estonia.

• Practical experience developing payment-related backend systems.

• Exposure to payment gateways, financial APIs, and transaction processing infrastructure.

• Technical mentorship from experienced software engineers.

• Opportunities to strengthen programming, database, and integration development skills.

• Potential progression into backend engineering, payment integration development, or financial systems engineering.

Application Instructions

Interested candidates should submit an updated CV highlighting their educational background, programming knowledge, technical projects, and any internship or practical development experience. Applicants are encouraged to include examples of backend applications, API integrations, or payment-related projects they have worked on.

Are you interested in this position?

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

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