UI Data Developer

We are seeking a skilled UI Frontend developer + Data Engineer who can bridge the gap between frontend development and data engineering. This hybrid role involves building intuitive user interfaces while integrating APIs and managing data pipelines. The ideal candidate will have strong experience in React, API integration, and data processing frameworks, along with a solid understanding of modern data ecosystems.

Key Responsibilities:

• Design and develop responsive, high-performance user interfaces using React
• Integrate frontend applications with backend systems via REST APIs
• Work with payment integrations such as Affirm SDK and manage secure token-based authentication
• Build, maintain, and optimize data pipelines for ingestion, transformation, and reporting
• Develop and execute ETL processes using tools like Informatica or Talend
• Write efficient queries and manage data using SQL
• Use Python for data processing, automation, and backend integration tasks
• Collaborate with cross-functional teams including Product, Backend, and Data teams
• Ensure data accuracy, performance, and scalability across systems
• Support reporting and analytics by delivering clean and structured datasets

Required Skills:

• 5+ years of experience in frontend and/or data engineering roles
• Strong proficiency in React.js and modern JavaScript (ES6+)
• Hands-on experience with REST API integration
• Experience with Affirm SDK or similar payment integrations (preferred)
• Knowledge of token management and secure authentication mechanisms
• Strong SQL skills and experience with relational databases
• Proficiency in Python for data engineering tasks
• Experience with ETL tools like Informatica or Talend
• Familiarity with data warehousing and reporting tools
• Strong problem-solving and analytical skills

Opus Technologies is a technology company with a focus on shaping the future of payments technology. With experience building highly innovative solutions and products, we combine our deep technology proficiency with unmatched domain expertise in Payments and Fintech, enabling us to deliver unparalleled quality and value in everything we do. For the last 24 years, our team works with a diverse global customer base, ranging from start-ups to Fortune 500 financial leaders, all focused on digital transformation and driving innovation in payments. We’re headquartered in Alpharetta, Georgia, USA.