About Me

Sean Marinas

Singaporehello@seanmarinas.com

Software engineer who builds solutions that solve real business problems. I create web applications that drive growth and deliver results.

Work Experience

The Working Avo

Feb 2026 — Present

•Architecting and developing a B2B2C PaaS platform from the ground up as sole engineer, managing the full software development lifecycle.
•Built full-stack solution with Next.js and TypeScript frontend deployed on Vercel, and Django/Python backend hosted on Render.
•Integrated Supabase for PostgreSQL database and S3 storage, Clerk for authentication, and Sanity as a CMS for content management.
•Developed and executed go-to-market and content marketing strategy, managing SEO to consistently maintain a score of 90+, driving organic visibility and user acquisition.
•Leveraged PostHog analytics to monitor user behaviour and iterate on product and marketing decisions.

Next.jsTypeScriptDjangoPythonSupabaseClerkSanityVercelPostHog

Self-Employed

Jan 2025 — Present

•Collaborate with smaller companies to improve existing products and develop new features that drive business value.
•Manage full-stack deployments with Next.js frontends on Vercel and serverless backends using Node.js with Supabase integration.
•Utilise analytics services including PostHog, Facebook Pixel, and Facebook Conversions API to provide data-driven insights for product optimisation.
•Implement Clerk integration for seamless authentication and user management across client applications.
•Architect scalable solutions that adapt to evolving requirements, ensuring long-term maintainability and growth.

Next.jsNode.jsSupabaseClerkPostHogVercelTypeScript

Embed Financial Group Holdings

Dec 2024 — Present

•Managed the full software development lifecycle of insurance products, accelerating time-to-market through agile methodologies.
•Utilised AWS technologies including CloudFormation, Lambda functions, and DynamoDB for scalable cloud infrastructure.
•Leveraged analytics services (PostHog, Facebook Pixel, Facebook Conversions API) to enhance conversion rates by 20% through data-driven insights and A/B testing.
•Developed responsive user interfaces with Next.js to enhance user experience, resulting in increased user engagement and retention.
•Managed frontend deployments through Vercel for Next.js projects and backend deployments using AWS for Django applications.

Next.jsReact.jsDjangoTypeScriptPythonAWSPostHogClerkVercel

Simulation Software and Technology

Apr 2024 — Nov 2024

•Created responsive web applications with React.js on the client side and LoopBack framework coupled with MongoDB on the server side, employing TypeScript for enhanced development.
•Optimised loading times for data fetching operations, resulting in a 200% increase in efficiency through caching strategies and query optimisation.
•Designed system functions and user interfaces using Figma, enhancing user experience and increasing user satisfaction.
•Designed and documented REST APIs using OpenAPI specifications, enhancing frontend and backend integration efficiency.
•Utilised Azure DevOps to manage ticket handling, pull requests, tasks, and build pipelines for continuous integration and deployment.

React.jsTypeScriptLoopBackMongoDBFigmaAzure DevOps

University of Wollongong

Jan 2021 — Mar 2024

GPA: 3.5 of 4.0

•Graduation with Distinction (WAM of >75%)
•Cumulative Weighted Average Mark (WAM): 75 of 100
•Member of the student council, actively contributing to school initiatives and campaigns for various events

Ngee Ann Polytechnic

Jan 2016 — Jan 2019

GPA: 3.0 of 4.0

•Actively facilitated orientation camps to foster a supportive and inclusive campus environment
•Contributed to road construction and provided English language instruction to local communities in Cambodia through a community outreach program
•Dedicated member of the Rugby team participating in various inter-school competitions

I'm always open to new projects and collaborations. Let's build something great.