Senior Software Engineer

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About DKatalis: DKatalis is a financial technology company with multiple offices in the APAC region. In our quest to build a better financial world, one of our key goals is to create a financial services business that is part of a connected ecosystem. DKatalis is founded and supported by successful entrepreneurs, bankers, and investors in Singapore and Indonesia, with a collective 30+ years of deep financial domain experience and backgrounds from world-class institutions and leading financial companies.

You will be a key member of an agile team responsible for designing, building, deploying, and running our innovative conversational banking products. This role has a significant impact, focusing on creating robust, resilient, and intelligent systems that redefine how our customers interact with their finances. You\'ll work on both front-end (Flutter for mobile-first experiences) and backend components, with a special emphasis on integrating Large Language Models (LLMs) and AI technologies.

You will work closely with data scientists, AI and software engineers, product managers, designers, and other stakeholders, collaboratively ensuring quality is built into every aspect of the product. You\'ll see your impact on the everyday lives of many people, share your learnings, and have great fun while doing it

• Design, develop, and maintain scalable and secure full-stack applications for our conversational banking platform, with a primary focus on the mobile experience (Flutter) and Python-based backend services.
• Integrate and work with Large Language Models (LLMs), prompt engineering techniques, and frameworks like LangChain/LangGraph to build intelligent agentic systems.
• Collaborate effectively with data scientists and AI engineers to bring conversational AI features to life.
• Communicate, collaborate, and work effectively across distributed teams in a multicultural environment.
• Architect and deliver end-to-end user experiences, ensuring a seamless connection between the front-end, back-end, and the APIs that glue them together.
• Champion best practices in software development (TDD, Pair Programming, CI/CD) for both mobile and backend components.
• Ensure the performance, scalability, security, and reliability of all components.
• Actively participate in an agile environment, embracing experimentation, exploration, iteration, and rapid product evolution.
• Mentor junior engineers and share your expertise within and beyond your team.

• Significant professional experience (e.g., 5+ years for Senior, 8+ for Staff) in designing, building, deploying, and maintaining complex, highly scalable applications in production environments.
• Good written and spoken English.
• Strong expertise in Flutter mobile application development , with a portfolio of shipped applications and a deep understanding of cross-platform compatibility and mobile user experience best practices.
• Solid hands-on experience in Python-based backend development , including building robust APIs, working with databases, and integrating third-party services.
• Demonstrable experience or strong interest in working with LLMs and conversational AI concepts (prompt engineering, agent-based systems, RAG). Experience with frameworks like LangChain, LangGraph, or similar is a significant plus.
• Proven experience in architecting and developing scalable and secure mobile and backend applications.
• Excellent problem-solving, analytical, and strategic thinking skills.
• Deep understanding and practical application of core programming concepts, software architecture principles, and relevant design patterns (e.g., OOP, FP).
• Proficiency with XP practices (TDD, Pair Programming, Continuous Integration/Delivery for both mobile & backend).
• Experience thriving in an Agile software development environment.
• A passion for building high-quality software and a pragmatic approach to delivering value.
• (Optional but valued) Experience with other backend technologies (e.g., Java, Node.js, Go) or cloud platforms (e.g., GCP, AWS).

• Mid-Senior level

• Full-time

• Engineering and Information Technology

• IT Services and IT Consulting