Hello! I am a Senior Software Engineer and Technical Lead with 10+ years of experience driving full-stack, cloud-native, and AI-enabled solutions for fintech, SaaS, and enterprise platforms. I specialize in scalable system architecture, microservices, AI/ML automation, and high-performance application delivery. I excel at leading cross-functional teams, mentoring engineers, and aligning technical strategy with business outcomes.

Arjene Sta Rita

Hello! I am a Senior Software Engineer and Technical Lead with 10+ years of experience driving full-stack, cloud-native, and AI-enabled solutions for fintech, SaaS, and enterprise platforms. I specialize in scalable system architecture, microservices, AI/ML automation, and high-performance application delivery. I excel at leading cross-functional teams, mentoring engineers, and aligning technical strategy with business outcomes.

Available to hire

Hello! I am a Senior Software Engineer and Technical Lead with 10+ years of experience driving full-stack, cloud-native, and AI-enabled solutions for fintech, SaaS, and enterprise platforms. I specialize in scalable system architecture, microservices, AI/ML automation, and high-performance application delivery.

I excel at leading cross-functional teams, mentoring engineers, and aligning technical strategy with business outcomes.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Advanced

Work Experience

Senior Software Engineer at Agnostic
January 1, 2022 - Present
Led a team of 6 engineers in designing microservices-based backend architecture using Node.js, Go, and Rust services, handling 200% increase in concurrent users for global SaaS clients. Architected AI automation workflows with LangChain and LLM integration, reducing manual fintech reporting by 65%. Optimized PostgreSQL queries and indexes, improving API response times by 120ms while ensuring high availability. Directed implementation of RAG search capabilities for enterprise document retrieval, improving accuracy by 80%. Managed AWS infrastructure via Terraform, reducing cloud costs by 30% and improving operational efficiency. Mentored junior and mid-level engineers, resulting in a 30% increase in team productivity and faster delivery of critical projects. Established coding standards, CI/CD pipelines, and code review processes, maintaining 97% uptime and zero major incidents. Developed Rust-based backend modules for high-performance tasks and integration with blockchain/ledger systems
Senior Full-Stack Developer at Proudcloud
September 1, 2018 - December 1, 2021
Supervised development of backend services using Java (Spring Boot), Ruby on Rails, Node.js, and Rust microservices, supporting 500k+ fintech transactions. Collaborated with UI/UX designers to implement Figma-driven React, Vue, and Angular frontends, achieving pixel-perfect, responsive designs. Led database modernization initiatives, improving MySQL write performance by 35% and ensuring high availability during peak load. Implemented CI/CD pipelines and DevOps automation, reducing deployment cycles from 10 days to 24 hours. Trained and mentored 4 junior engineers on coding best practices, testing strategies, and cloud deployment. Enhanced application security through OAuth2, JWT, and access control policies, mitigating 10k+ unauthorized access attempts annually. Integrated Rust modules for compute-heavy tasks and experimental blockchain interoperability features.
Full Stack Developer at Symph
June 1, 2015 - August 1, 2018
Developed PHP (Laravel) web applications for 15+ startup MVPs, enabling clients to secure $3M in early-stage funding. Maintained MySQL databases with 99% data integrity for high-traffic e-commerce platforms. Built automated unit and integration tests using Jest, reducing critical bugs by 95% prior to client demos. Documented technical processes and mentored interns and junior developers, reducing onboarding time by 40%. Integrated REST APIs for payment gateways, enabling secure processing of 10k+ transactions. Created Rust-based experimental backend services for performance optimization and secure transaction processing.

Education

Bachelor’s Degree in Computer Science at University of Negros Occidental –Recoletos
June 1, 2011 - March 1, 2015

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Professional Services