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Hi, I'm Arjene Sta Rita, a Senior Software Engineer and Technical Lead with over 10 years of experience delivering full-stack, cloud-native, and AI-enabled solutions for fintech, SaaS, and enterprise platforms. I enjoy architecting scalable systems, leading microservices efforts, and mentoring engineers to achieve business outcomes.\n\nI thrive on cross-functional collaboration, guiding technical strategy, and delivering high-performance applications. I’m passionate about AI automation, LangChain integrations, and helping teams ship reliable software.…Hi, I'm Arjene Sta Rita, a Senior Software Engineer and Technical Lead with over 10 years of experience delivering full-stack, cloud-native, and AI-enabled solutions for fintech, SaaS, and enterprise platforms. I enjoy architecting scalable systems, leading microservices efforts, and mentoring engineers to achieve business outcomes.\n\nI thrive on cross-functional collaboration, guiding technical strategy, and delivering high-performance applications. I’m passionate about AI automation, LangChain integrations, and helping teams ship reliable software.

Arjene Sta Rita

Full Stack Developer, Web Developer, AI Developer, +7

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Hi, I'm Arjene Sta Rita, a Senior Software Engineer and Technical Lead with over 10 years of experience delivering full-stack, cloud-native, and AI-enabled solutions for fintech, SaaS, and enterprise platforms. I enjoy architecting scalable systems, leading microservices efforts, and mentoring engineers to achieve business outcomes.\n\nI thrive on cross-functional collaboration, guiding technical strategy, and delivering high-performance applications. I’m passionate about AI automation, LangChain integrations, and helping teams ship reliable software.…Hi, I'm Arjene Sta Rita, a Senior Software Engineer and Technical Lead with over 10 years of experience delivering full-stack, cloud-native, and AI-enabled solutions for fintech, SaaS, and enterprise platforms. I enjoy architecting scalable systems, leading microservices efforts, and mentoring engineers to achieve business outcomes.\n\nI thrive on cross-functional collaboration, guiding technical strategy, and delivering high-performance applications. I’m passionate about AI automation, LangChain integrations, and helping teams ship reliable software.

Available to hire

Hi, I’m Arjene Sta Rita, a Senior Software Engineer and Technical Lead with over 10 years of experience delivering full-stack, cloud-native, and AI-enabled solutions for fintech, SaaS, and enterprise platforms. I enjoy architecting scalable systems, leading microservices efforts, and mentoring engineers to achieve business outcomes.\n\nI thrive on cross-functional collaboration, guiding technical strategy, and delivering high-performance applications. I’m passionate about AI automation, LangChain integrations, and helping teams ship reliable software.

Skills

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Expert

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Intermediate

Intermediate

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Language

English

Fluent

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 and Go, scaling to handle a 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 indexing, improving API response times and maintaining high availability. Implemented RAG search for enterprise document retrieval, improving accuracy by 80%. Managed AWS infrastructure via Terraform, cutting cloud costs by 30% and boosting operational efficiency. Mentored junior and mid-level engineers, boosting team productivity by 30% and enabling faster delivery. Established coding standards, CI/CD pipelines, and code reviews, achieving 97% uptime with zero major incidents.

Senior Full-Stack Developer at Proudcloud

September 1, 2018 - December 1, 2021

Supervised backend services using Java (Spring Boot) and Ruby on Rails to support 500k+ fintech transactions. Collaborated with UI/UX designers to deliver pixel-perfect React, Vue, and Angular frontends driven by Figma. Led database modernization, 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. Strengthened application security with OAuth2/JWT and access control policies, mitigating 10k+ unauthorized access attempts annually.

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.