Database Developer (PostgreSQL)

About Our Client

The end client is a global fintech startup based on technical solutions in the area of core banking systems, payment transactions, biometric identity and POS systems. They work in small, cross-functional teams, and with short development cycles and frequent deliveries in the context of agile software development. The technology team works closely with product, design and operations experts to deliver mission-critical internal and external functionality that supports the ecosystem. To do this, they rely on technologies such as Erlang/Elixir, PostgreSQL, AWS and Docker.

Job Description

• Database Development & Management: Design, optimize, and maintain PostgreSQL databases to ensure high performance and reliability, especially for high transaction volumes typical in financial systems.
• Stored Procedures & Compliance: Develop complex stored procedures in PL/pgSQL to meet banking and regulatory requirements, with an emphasis on data integrity and precision.
• API Development with Erlang: Build and maintain APIs for internal and third-party integrations using Erlang, ensuring seamless communication between our core systems and external services.
• Third-Party Integration: Integrate with third-party services, such as AML providers, payment processors, and utilities, to expand the functionality and value of our platform.
• Security & Compliance: Implement security measures, including encryption, data privacy (GDPR), and access controls, to protect sensitive financial data.
• Performance Tuning: Optimize database performance for high transaction loads, ensuring minimal downtime and maximum reliability.
• Cross-Functional Collaboration: Work closely with product, design, and operations teams to develop new features and improve existing systems.
• Continuous Improvement: Participate in code reviews, testing, and troubleshooting, and keep up to date with new technologies to enhance development efficiency.

The Successful Applicant

• PostgreSQL Expertise: Extensive experience in PostgreSQL, including advanced SQL and procedural programming (PL/pgSQL), database design, optimization, and tuning.
• API Development in Erlang: Proficiency in Erlang for building and maintaining APIs, with a focus on integrating database logic.
• Third-Party Integration Skills: Experience integrating external systems and services, especially those used in fintech, such as payment gateways and regulatory services.
• Security & Compliance: Strong understanding of data security practices, regulatory requirements (GDPR, PSD2), and standards relevant to fintech.
• Performance Optimization: Proven ability to tune databases to handle high transaction volumes with efficiency and reliability.
• DevOps Familiarity: Knowledge of GitHub and AWS CI/CD pipelines to support automated, reliable deployment.

What's on Offer

• Remote work
• B2B Contract