Senior Integration Developer - Banking

Job Overview

We are seeking a highly skilled and experienced Senior Integration Developer to join our banking technology team. You will be responsible for designing, developing, and maintaining integration solutions that connect core banking systems with internal applications, third-party services, and external partners. This role requires deep technical expertise, strong problem-solving skills, and extensive experience working with APIs, middleware platforms and financial system integration standards.

Key Responsibilities:

• Lead the design, development, and implementation of robust and scalable integration solutions using API-first principles (REST, SOAP).
• Integrate core banking systems (e.g., Temenos T24, Finacle), payment gateways, CRM systems, and external partners through middleware or integration platforms (such as IBM App Connect, MuleSoft).
• Develop and maintain secure, efficient, and reusable integration components, microservices, and workflows.
• Ensure data integrity, performance, and accuracy in all integration processes across multiple environments.
• Collaborate with cross-functional teams — Business Analysts, QA, DevOps and Product Owners — to gather requirements and deliver high-quality solutions.
• Troubleshoot and resolve integration and API issues across systems in production and staging environments.
• Create robust technical documentation, integration diagrams, and test plans.
• Mentor and guide junior developers and support knowledge transfer across the team.
• Follow industry best practices for security, compliance (e.g., PCI-DSS, ISO 20022), and performance optimization.

Requirements

Skills & Technical Requirements:

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 5+ years of experience in software development with at least 3+ years in integration development, preferably in banking or financial services.
• Strong proficiency with RESTful & SOAP APIs, JSON/XML, and API security (OAuth2, JWT).
• Experience with integration platforms such as IBM App Connect, IBM Integration Bus (IIB), MuleSoft, or similar middleware.
• Expertise in Java, Python, .NET, or equivalent backend languages.
• Solid understanding of microservices architecture, event-driven patterns and CI/CD pipelines.
• Familiarity with database technologies (Oracle, SQL Server, MySQL) and message brokers (Kafka, MQ).
• Excellent analytical, communication, and collaboration skills.

Preferred Qualifications:

• Certifications in middleware or integration platforms (IBM App Connect, MuleSoft, Azure/AWS integration).
• Experience with cloud platforms (AWS, Azure) and hybrid integration strategies.
• Knowledge of Open Banking standards (PSD2, API governance).
• Exposure to banking compliance frameworks and financial messaging standards (ISO 20022).