UpstaffSign up
Sydney D. Enciso, Senior Full Stack Developer | Agentic Developer | AI Automation Engineer
Sydney D. Enciso
🇵🇭Philippines
Created AtUpstaffer since September, 2026
Book a Call Download Profile PDF

Sydney D. Enciso — Senior Full Stack Developer | Agentic Developer | AI Automation Engineer

Expertise in Full Stack Web (7.0 yr.), AI and Machine Learning (3.0 yr.).

 Last verified on September, 2026

Bio Summary

  • Senior Full Stack Developer with 7+ years in enterprise and FinTech, specializing in React.js, Next.js, React Native, Node.js, Python, and FastAPI.
  • Led scalable cross-platform apps and reusable component libraries, improving development efficiency and consistency.
  • Expertise in AI-powered automation using LangChain, LangGraph, OpenAI API, and RAG for workflow optimization.
  • Proven track record in agile environments, managing CI/CD pipelines, sprint planning, and cross-regional collaboration.
  • Strong backend skills with PostgreSQL, MongoDB, REST APIs, WebSockets, and cloud platforms including AWS and Alibaba Cloud.

Technical Skills

Programming Languages C#, JavaScript, TypeScript
JavaScript Libraries and Tools Expo, Puppeteer, React Native, Redux-toolkit, Zustand
JavaScript Frameworks Express, NestJS, Next.js, Node.js, React
AI & Machine Learning LangChain, LangGraph, OpenAI, Prompt Engineering, RAG
PHP Frameworks Laravel
Databases & Management Systems / ORM Microsoft SQL Server, MongoDB, PostgreSQL
UI Frameworks, Libraries, and Browsers Ant Design, Chakra UI, Material UI, shadcn/ui, Storybook, Tailwind CSS
Cloud Platforms, Services & Computing Alibaba Cloud, AWS, Netlify, Vercel
Amazon Web Services AWS Glue Studio
Azure Cloud Services Azure Cloud Functions
UI/UX/Wireframing Adobe XD, Figma
Collaboration, Task & Issue Tracking Atlassian Trello, Jira
Version Control BitBucket, Git, GitHub
Deployment, CI/CD & Administration CI/CD, Jenkins
Third Party Tools / IDEs / SDK / Services ClickUp
QA, Test Automation, Security Cypress, Jest, Puppeteer, QA Automation, Vitest
Mail / Network Protocols / Data transfer GRPC, WebSockets
Methodologies, Paradigms and Patterns Kanban
Blockchain and Decentralized Software NEAR
SDK / API and Integrations RESTful API
Other Technical Skills Agentic AI, Jotai

Work Experience

Sr. Front End Developer - SNSoft Technology Inc. Philippines (Digital Marketing Platform and Mobile HRIS Application)

Duration: Dec 2024 - Present

Summary: Development and maintenance of web and mobile applications including a digital marketing platform for an international client and a mobile HRIS application to streamline employee and HR workflows.

Responsibilities:

  • Developed and maintained web and mobile applications using React, TypeScript, and React Native.
  • Led creation of a reusable shared component library with Storybook documentation.
  • Contributed to code reviews, feature development, CI/CD pipeline management with Jenkins.
  • Participated in agile ceremonies including sprint planning, refinement, and product demos.

Technologies: React, TypeScript, React Native, Storybook, Jenkins

Software Engineer II - Samsung R&D Institute Philippines (Samsung Enterprise Solutions including Knox Configure, Knox Mobile Enrollment, Samsung S24 AI Features, Samsung Seats, SEPConnect Security Features)

Duration: Jul 2023 - Nov 2024

Summary: Development and maintenance of Samsung enterprise solutions for large-scale device management and AI feature development, including security enhancements and cross-regional API integrations.

Responsibilities:

  • Developed and maintained Samsung Knox Configure and Knox Mobile Enrollment solutions using React.js.
  • Implemented new functionalities for Samsung S24 AI features.
  • Led and mentored junior developers on the Samsung Seats project.
  • Collaborated with Samsung Korea HQ and Canadian teams for API integration.
  • Contributed to SEPConnect security features including data encryption.
  • Managed agile workflows including sprint planning, feature tracking, hotfixes, and deployments.

Technologies: React.js, API integration, Agile methodologies, Data encryption

Front End Developer - Collabera Digital - Singlife Philippines (Singlife PH Products and One Platform)

Duration: Aug 2022 - Jun 2023

Summary: Led development of cross-platform web and mobile insurance applications integrated with partners like GCash GInsure, UnionBank, Maya, and GlobeOne, including micro-frontend insurance products and onboarding improvements.

Responsibilities:

  • Led development using React, Next.js, React Native, Expo, TypeScript, and Redux Toolkit.
  • Built and deployed micro-frontend insurance products integrated via WebView.
  • Led creation of Singlife’s One Platform and mobile app with scalable architecture.
  • Improved onboarding and eKYC flow through Onfido integration and form management.
  • Collaborated with cross-functional agile teams for feature delivery and platform reliability.

Technologies: React, Next.js, React Native, Expo, TypeScript, Redux Toolkit, Onfido

Full Stack Developer - Chenvel Services Inc. (ERP System and Auto-generation Platform)

Duration: Feb 2021 - Aug 2022

Summary: Developed a comprehensive ERP system supporting end-to-end business operations and process automation, including warehouse, payroll, inventory, trucking logistics, and shipment management modules.

Responsibilities:

  • Developed core ERP modules to improve operational visibility and streamline workflows.
  • Built an auto-generation platform for creating business systems without code.
  • Enhanced efficiency across logistics and accounting processes.

Full Stack Developer - Pickpons (Pickpon Rewards and Coupon Platform)

Duration: Mar 2020 - Dec 2020

Summary: Developed and deployed a rewards and coupon platform enabling users to join promotional campaigns and redeem coupons through an interactive web experience.

Responsibilities:

  • Built coupon generation and redemption system supporting reward distribution workflows.
  • Implemented responsive UI for seamless cross-device access.
  • Designed scalable architecture for flexible promotional campaign configuration.

Full Stack Developer - Freelance (Multiple Client Projects including E-learning Application)

Duration: Aug 2019 - Feb 2020

Summary: Delivered multiple client projects handling full-cycle development, including an e-learning application for Chinese-English language tutoring with interactive features and user-friendly workflows.

Responsibilities:

  • Managed requirements gathering, development, and deployment.
  • Built interactive e-learning application with user-friendly learning workflows.

Education

  • Bachelor of Science in Information Technology
    Divine Word College of Calapan
    2017 - 2019

How to hire with Upstaff

1

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

2

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

3

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Arrow

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Sharing

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

$0

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

x1

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

Sydney D. Enciso, Senior Full Stack Developer | Agentic Developer | AI Automation Engineer
Ready to hire Sydney D. Enciso
or someone with similar Skills?
Looking for Someone Else? Join Upstaff access to All profiles and Individual Match
Start Hiring
Request Sydney D. Enciso Rates & Availability
Attachment File attachment Arrow

Upload File. Drag and Drop or Browse

{# when reCAPTCHA is disabled server-side (staging/local test), drop the g-recaptcha binding so the button submits directly — keeps front/back in sync via one flag #}
At Upstaff we respect confidentiality, privacy and value your information.

Confidential (C) UPSTAFF LTD, England and Wales, #12727246 17 Montgomery Drive, Tavistock, United Kingdom PL19 8KX

Terms, conditions and legal information.

Thank you! 🎉

Your message has been successfully sent. We’ll review it and get back to you as soon as possible.

Create an account to save your details and track your applications.

Sign up
Download Candidate Profile (PDF)

Please leave your details and we'll email you the resume right away.

At Upstaff we respect your privacy.

Confidential (C) UPSTAFF LTD, England and Wales, #12727246 17 Montgomery Drive, Tavistock, United Kingdom PL19 8KX

Terms, conditions and legal information.