01 / MAKE A PLAN
What comes first?
Share your intent in a meeting or in writing. Turn it into a development plan and technical specs, with a first-stage scope, budget, and measures of success.
Paid consulting & estimatesYOUR IDEA’S NEXT MOVE, FRONTLINE
Big idea.
Where to start?
What to build. How much to commit. You don’t need a tech background. We figure it out and build it with you.
Let’s talk about your ideaA rough idea is a great start!
Web & app development · Full-stack engineering · Software outsourcing
02 / ROOM TO START SMALL
Small steps.
Informed decisions.
You don’t have to fund every feature up front. Let’s find the problem to solve and the value to test first.
02 / BUILD & LEARN
Build small. Learn first.
Implement the agreed scope. Review user response, workflow efficiency, and product impact together, comparing expectations with what actually happens.
Core features & evidence03 / CHOOSE WHAT’S NEXT
When do we grow?
Use the results to decide the next features, timing, and budget. Choose together whether to expand, refine, or stop.
Next scope, timing & budgetSwipe to explore the next step →
Paid consulting & project scoping
Find your starting pointStart with a plan before committing to the full build. Consulting and implementation scope and fees depend on your project.
03 / YOUR TECH PROBLEM SOLVER
Your idea.
Your technical ally.
Start with “here’s what I want to do.” We bring a technical co-founder’s perspective and hands-on execution.
ALLYHANDS-ON PARTNER
A co-founder’s perspective
PLAN · BUILD · GROW
Clear specs and hands-on delivery. Working with your team, or taking on the technical work when you have no developers, we help your product move forward.
Talk about working togetherFrom ideas to a clear plan
Development plans · Requirements · Technical specs
From plans to a working product
MVP development · Existing product expansion
The people and foundations, too
Team building · Technology choices · Infrastructure
From “What should we build?” to “Should we build more?”
Beyond delivering features: a partner for priorities, budgets, and your next investment decision.Web, app, and full-stack development services
Web & app development
Turn your idea into requirements and user flows. Build an MVP for a web service or mobile app, or extend an existing product with new capabilities.
Full-stack development & software outsourcing
Connect frontend interfaces, backend APIs, databases, deployment, and infrastructure. Work with a hands-on development partner, whether you have an engineering team or need someone to take on the build.
AI engineering & agent development
Build AI agents and AI services connected to your business data and systems. Deliver workflow automation alongside the user interfaces, backends, and operational tools that make it a usable product.
Explore AI projects →Before we build together
Do I need a specification to outsource app development?
An idea or a problem in your current workflow is enough to start. Paid consulting helps define features, priorities, technical specifications, and the scope of implementation.
Can you work on site with our customers in Korea?
Yes. FRONTLINE welcomes FDE engagements with companies that need hands-on implementation for Korean customers. We can work with your product team and customer stakeholders on discovery, integrations, adaptation, and adoption. On-site and remote arrangements are agreed per project.
How are development costs and timelines agreed?
We review your current product, requirements, integrations, target timeline, and budget before agreeing on phased scope and fees. Consulting is paid, and additional development proceeds after scope and cost are agreed.
04 / FULL-STACK · FORWARD DEPLOYED ENGINEER
Build the product.
Bring AI to work.
Embedded like an FDE. Delivered by a full-stack engineer. Where you need us, when it matters, from product to AI transformation.
Your CTO, as needed.
A CTO for hire, bringing experience solving problems in startup leadership, global SaaS, AI, and kiosks. Remote or on site, we take on technical decisions and hands-on delivery together.
Full-stack delivery, across the whole product.
Connect web and mobile interfaces, backends, databases, deployment, and infrastructure. Build new products and their foundations, as well as improving existing features.
Propose first. Translate intent into technology.
Identify useful additions and improvements beyond the brief. Translate business intent into technical specs and data models, agree on priorities with the team, and execute.
Graph databases. Ontologies. AI transformation.
Store relationships in graph databases and define business concepts and meaning with ontologies. Connect them to AI agents and automation for AX: putting AI to work in real business processes.
Swipe from full-stack delivery to AI transformation →
Tools follow the problem. Additional work proceeds with an agreed scope and budget.
YOUR FDE PARTNER IN KOREA
Bring your product closer to your customers in Korea.
Looking for a Forward Deployed Engineer (FDE) in Korea? We welcome companies that need an engineer on site with their Korean customers for deeper, more specialized implementation. Work with Victor Joo at FRONTLINE to adapt your solution to each customer's systems, data, and day-to-day workflows.
Understand the customer on site
Work with stakeholders and users to map workflows, technical constraints, and success criteria. Turn customer needs into an implementation plan your product team can act on.
Integrate, adapt, and validate
Build API and data integrations, tailored interfaces, and workflow automation. Validate fit with a focused proof of concept, then refine performance and usability for the customer's operating environment.
Connect delivery back to your product team
Support adoption with feedback, documentation, and handover. Separate customer-specific requirements from reusable improvements and agree on next steps with your engineering team.
For software vendors serving Korean customers and enterprises implementing a solution in Korea. On-site engagement, remote collaboration, responsibilities, and fees are scoped together for each project.
Discuss an FDE engagement in Korea05 / AI ENGINEERING
From AI agents
to working services.
AI engineering that connects models to real products. Build AI agents and services for customer support, business knowledge, and workflow automation.
AI agents & workflow development
Design conversations, tool use, and API calls around your workflows and connect them to business systems. Include the points where a person needs to review or take over.
RAG & business knowledge integration
Build retrieval-augmented generation (RAG) that uses documents, products, and policies as sources for answers. Account for updates and access permissions in the customer's environment.
Full-stack AI service development
Connect user interfaces, backends, management tools, and deployment. Test answer quality with real questions, then refine response times, cost, and behavior using operational feedback.
AI projects built in practice
GS Neotek · AI solution development contributor
GS MISO
Contributed to GS Neotek's enterprise AI solution, building an LLM agent system with FastAPI, Next.js, and Dify.
Explore MISOFRONTLINE · Entire service development
TopFee
Developed the entire AI customer support service for automotive accessory stores. Built RAG with PostgreSQL, pgvector, and Ollama, connecting knowledge approval, AI conversations, human handover, web management, and a consultation API.
Explore TopFee06 / SELECTED EXPERIENCE
Real problems. Work that’s real.
SaaS, AI, education platforms, and in-store experiences. Selected projects delivered across different teams and industries.
US SaaS · Remote collaboration
Wyzly
- Client / collaboration
- Wyzly (USA)
- Role
- Full Stack Developer · Remote
Worked remotely with a US SaaS team to design and build new features, and operate the live product.
- Next.js
- Supabase
- Drizzle
Enterprise · AI
MISO
- Client / collaboration
- GS Neotek
- Role
- Full Stack Developer
Built an LLM agent system with FastAPI, Next.js, and Dify for GS Neotek’s enterprise AI solution.
- FastAPI
- Next.js
- Dify
Education platform · Technical leadership
HyperLearning Platform
- Client / collaboration
- HyperLearning
- Role
- CTO
As CTO, designed the platform architecture and led frontend, backend, infrastructure, and deployment engineering.
- Next.js
- Node.js
- Docker
Australian SaaS · Global collaboration
Payroller
- Client / collaboration
- Bookipi (Sydney)
- Role
- Full Stack Developer · Remote
Built and operated Bookipi’s Australian payroll SaaS as a full-stack developer, collaborating with a global team in English.
- React
- Node.js
- AWS
Education SaaS · Team leadership
HIQSUM
- Client / collaboration
- BNZ
- Role
- CTO · Team of 6
As CTO, led a team of six to build an education SaaS, architecting OCR, search, real-time messaging, and lecture streaming.
- Next.js
- NestJS
- Docker
In-store experience · Interactive kiosks
Nike by You / Shoe Finder
- Client / collaboration
- FIG (Nike Korea)
- Role
- Full Stack Developer
At FIG, built Nike’s customization and Shoe Finder kiosks. Launched in Hongdae, then rolled out to Myeongdong and Gangnam.
- JavaScript
- Interactive
- Kiosk
Exhibition · Digital experience
Hyundai Motors — Zer01NE Day
- Client / collaboration
- FIG (Hyundai Motor Group)
- Role
- Full Stack Developer
At FIG, built registration, reservations, and CMS tools for Hyundai Motor Group’s art-tech exhibition, with a three.js interactive experience.
- JavaScript
- three.js
- Interactive
01 / 07 · Wyzly
07 / LET’S FIGURE IT OUT. TOGETHER.
A messy idea?
A great place to start.
An idea on paper or a challenge in a live product. Tell us where you are, and let’s explore how we can work together.
Consulting is a paid service. Please contact us for pricing and the working process.