Johan Simeon Damanik

Full-Stack Developer — Jakarta, Indonesia

Full-Stack Developer skilled in Vue/Nuxt, React/Next, Node/NestJS, and Laravel. Specializes in building scalable ERPs, POS systems, payment gateways, and business-critical APIs.

CONTACT VIEW RESUME

CORE TECHNICAL COMPETENCIES

FRONT-END

Builds modular, high-performance web applications using TypeScript, Vue 3, Nuxt, React, Next.js, and Tailwind CSS with strict type checking.

TypeScriptReact.jsNext.jsVue.jsNuxt.jsTailwind CSSPiniaRedux

BACKEND

Architects robust server backends and REST/GraphQL APIs with Node.js, NestJS, TypeScript, Express, and Laravel for high availability.

TypeScriptNode.jsNestJSExpress.jsLaravelREST APIGraphQLJWT Auth

DATABASE & SQL

Designs efficient data models and queries across PostgreSQL, MySQL, Redis, and MongoDB with Prisma & Sequelize.

PostgreSQLMySQLPrisma ORMSequelizeRedisMongoDBQuery Tuning

PAYMENTS & APIS

Integrates PayPal, Xendit, Midtrans, BCA, and third-party logistics/meta APIs with reliable webhook handling.

PayPal APIXenditMidtransBCA GatewayShippoWebhooksAWS S3

SOFT SKILLS

Translates complex business needs into technical specs with strong cross-functional teamwork and code reviews.

Problem SolvingCommunicationTeam LeadershipCode ReviewAgile/Scrum

AI & DEPLOYMENT

Deploys containerized applications via Docker, Turborepo, Cloudflare, GCP, and AI coding workflows.

DockerTurborepoCloudflareGCPJestPlaywrightLLM Integration

CURRENT ASSIGNMENT

Full-Stack Developer

PT Kartel Daun International

EDUCATION & CREDENTIALS

Hacktiv8 Indonesia

Full Stack JavaScript Immersive — 96.7 / 100 Distinction

Top honor graduate with focus on TDD, Node.js, Vue, React, PostgreSQL, and Express.

Universitas Kristen Duta Wacana

Bachelor of Science in Theology — GPA 3.25 / 4.00

Academic foundations in formal logic, systems ethics, and analytical reasoning.

FREQUENTLY REQUESTED INTEL

Who is Johan Simeon Damanik?

Johan Simeon Damanik is a Full-Stack Developer based in Jakarta, Indonesia. Full-Stack Developer skilled in Vue/Nuxt, React/Next, Node/NestJS, and Laravel. Specializes in building scalable ERPs, POS systems, payment gateways, and business-critical APIs.

What systems does Johan Simeon build?

He builds ERP, point-of-sale, commerce, payment, logistics, productivity, community, and media automation systems.

What technologies does Johan Simeon use?

His project stack includes PHP Laravel, Vue.js, Quasar, MySQL, Firebase, PayPal API, BCA Gateway, AWS S3, Tailwind CSS, Next.js, React, TypeScript, Nuxt.js, Prisma ORM.

How can I contact Johan Simeon Damanik?

Email johansdamanik@gmail.com, call +62 812 2223 4454, or use the contact links on https://simeon.id/.