SaaS platforms
Build secure multi-tenant foundations, billing flows, integrations and admin experiences that can evolve with adoption.
Industries · Startups
Build, validate and scale your startup product with a Vietnam-based team
Move from idea to reliable product without slowing down your runway. FIX Partner helps startups design, build, test and improve software with accountable delivery.
Startup delivery snapshot
49+
team members
9+
years of experience
GMT+7
delivery hub
2–4 weeks
typical kickoff
English communication · Global delivery
Startup software development services
From MVP to scale, move your product forward with confidence.
From an early MVP to a product ready for scale, we add the delivery depth needed for your next milestone without forcing you into an oversized team.
Product
Engineering
Quality
MVP & V1 Development+
Turn a validated idea into a focused, usable first release with the foundations needed for the next milestone.
SaaS Product Engineering+
Build and evolve reliable SaaS products, APIs and core workflows without creating avoidable technical debt.
Web & Mobile Products+
Design and deliver responsive web applications and mobile experiences that are ready for real users.
AI Product Development+
Add practical AI features, custom AI applications, integrations, evaluation and human review.
QA & Release Confidence+
Protect signup, billing and core journeys with focused manual testing, automation and release gates.
Cloud & Platform Delivery+
Prepare infrastructure, CI/CD, observability and security controls as product usage grows.
Custom software solutions
Shape the product around the problem you need to solve
Startups rarely fit a template. We combine product thinking, engineering and AI capability around the workflow, customer and milestone that matter most.
AI applications
Turn a promising AI use case into a useful product feature with retrieval, tool use, evaluation and guardrails.
Data-powered products
Connect product data, operational systems and analytics into decisions your team can trust.
Marketplace and commerce
Create the catalog, search, transaction and customer journeys needed to validate a new market.
Platform modernization
Improve a fragile or growing codebase with better architecture, observability, release automation and security.
Enterprise-ready foundations
Prepare access controls, auditability, documentation and quality practices before larger customers arrive.
Support for every stage
Build around your next startup milestone
Your team, funding stage and product risk change over time. The delivery model can change with them.
Pre-seed & MVP
Clarify the first valuable release, validate assumptions and ship a product users can test.
Seed & Early Traction
Stabilize the product, improve activation and build the capabilities needed for customer growth.
Series A+
Scale product delivery, platform reliability and engineering capacity without over-hiring too early.
Bootstrapped Teams
Prioritize revenue-critical improvements while keeping delivery practical and cost-aware.
Startup planning tool
Estimate your delivery team budget
Build a rough team shape and engagement length, then use the estimate as a starting point for discovery.
How many developers do you need?
Front-end Developer
0
Back-end Developer
0
Full-stack Developer
0
QA Engineer
0
DevOps Engineer
0
Mobile Developer
0
Need any other roles?
Product Designer
0
Data Analyst
0
Project Manager
0
Total Team Members:0
Why FIX Partner
Move fast without creating avoidable delivery risk
Milestone focus
Prioritize the product outcomes that matter for users, revenue and funding conversations.
Flexible capacity
Add or adjust roles as the roadmap, workload and funding stage change.
Quality by design
Use practical QA, security and release practices from the first meaningful version.
Data and AI ready
Build a technical foundation that can support analytics, automation and responsible AI.
How we work
A clear path from startup brief to working product
Every engagement starts with the context behind the feature, then turns decisions into visible delivery steps.
Discover
Clarify the customer, business outcome, constraints and first milestone.
Shape
Align product scope, architecture, roles, risks and an achievable delivery plan.
Build and validate
Develop in short cycles with reviews, QA and feedback from the people who will use it.
Launch and learn
Prepare release, observability, documentation and the next product decision.
Frequently Asked Questions
Questions startup teams ask before they build
How can FIX Partner help a startup build an MVP?
FIX Partner helps define the first usable product, prioritize core workflows, shape the technical foundation, build the MVP, test critical paths and prepare the product for early users.
Can FIX Partner work with an existing startup engineering team?
Yes. FIX Partner can add software developers, QA engineers, AI specialists, designers or delivery professionals directly into an existing startup workflow.
Which engagement model is best for a startup?
Project-Based Outsourcing fits a defined MVP or product scope. Staff Augmentation fits startups that already manage delivery. A Dedicated Development Team fits an ongoing product roadmap.
Can the startup scale the team later?
Yes. Roles and capacity can be adjusted as the roadmap, funding stage and product priorities change.
Does FIX Partner support AI product development?
Yes. The team can support AI features, custom AI applications, data workflows, integrations, evaluation, monitoring and responsible AI controls.
Engagement models
Choose the startup delivery model that fits your next milestone
Start with the level of ownership and capacity you need today, then adjust the model as your product, funding stage and roadmap evolve.
Dedicated Development Team
Build a stable product team around an ongoing roadmap and long-term ownership.
Explore this modelIT Staff Augmentation
Add focused engineering, QA, AI, data or product capacity to your existing workflow.
Explore this modelProject-Based Outsourcing
Hand over a defined product scope with milestones, QA gates and clear handover.
Explore this modelYour delivery team
Bring the right specialists into your next initiative
Add focused expertise around your roadmap with an accountable team from Vietnam.
Software developers
QA engineers
Data scientists
AI engineers
Ready for the next milestone?
Turn your startup roadmap into a delivery plan
Tell us what you are building, where the product is today and what needs to happen next.
DELIVERY PROOF
Experience, delivery discipline, and capabilities
Facts and capabilities drawn from FIX Partner's public company information and the service scope on this page.
49+
Team members
9+
Years of experience
Vietnam + Global
Delivery coverage
How delivery moves forward
- 1Discovery
- 2Design
- 3Build
- 4QA
- 5Launch
- 6Support
Capabilities for this engagement
Discovery and solution design
Product and platform engineering
Quality assurance and release readiness
Integration with existing systems
Launch, handover, and ongoing support
ADDITIONAL INFORMATION
A delivery partner built around your next step
Whether you need a focused specialist, a project team, or a long-term delivery partner, FIX aligns the people, capabilities, and delivery plan to your goals.
Flexible team size
From one specialist to a cross-functional delivery team.
Join at any stage
Discovery, delivery, modernization, release, or support.
2–4 week kickoff
Typical start target after scope and team requirements are confirmed.
ENGAGEMENT MODELS
Choose the engagement model that fits your delivery needs
Start with the right level of ownership, flexibility, and team capacity for your initiative.
Dedicated Development Team
A stable, cross-functional team aligned to your product roadmap and delivery goals.
View model detailsIT Staff Augmentation
Add the engineering, QA, AI/data, or cloud specialists your team needs now.
View model detailsProject-Based Outsourcing
Deliver a defined scope with clear milestones, quality gates, and handover.
View model details