Felix Akuta

A result-oriented Senior Java Developer with extensive expertise in fintech and digital payment solutions, currently delivering high-impact systems at Interswitch. Skilled in designing and deploying scalable, secure APIs and microservices using Java EE, Kotlin, Spring Boot, and cloud-native architectures, enabling seamless transaction processing across banking and financial platforms. Achieved measurable results including 30% reduction in server load, 50% faster request processing, and 25% fewer payment errors through performance tuning, code optimization, and efficient database query design. Experienced in implementing PCI-DSS–compliant security measures, ensuring data integrity, confidentiality, and regulatory adherence in financial applications. Proficient in AWS services (EC2, S3, Lambda, API Gateway, CloudWatch, RDS, and IAM) for deploying and managing distributed applications. Skilled in using AWS CDK and Terraform for Infrastructure as Code (IaC), enabling scalable and automated cloud provisioning. Adept at leading cross-functional teams of up to 15 engineers, driving projects from conception to production, and consistently delivering robust fintech solutions that enhance customer experience and align with business goals. Beyond core development, actively engaged in AI model training and evaluation, with hands-on experience in Chain-of Thought (CoT) analysis, rubric-based response evaluation, and prompt optimization for improving reasoning consistency, traceability, and factual grounding in large language models (LLMs).