Introduction

“The deliverable didn’t match the spec.” “We couldn’t track progress until the deadline was almost here.” “We had no idea how to verify quality before it was delivered.” — These are concerns we hear regularly from companies involved in offshore development.

We are no exception. Over many years of offshore development, we have faced similar challenges. In most cases, the root cause wasn’t “the inherent limitations of offshore development” — it was that neither the client nor the vendor had the right systems in place.

In this article, we categorize the most common failure patterns into five types and explain how to address each one. We hope it serves as a useful reference before you start your offshore engagement.

Pattern 1: Going In with Vague Specifications

One of the most common problems in offshore development is ambiguous requirements. “I explained it verbally.” “Please refer to the previous system.” “We’ll figure out the details as we go.” — These approaches may work to some degree in domestic development, but in offshore contexts they create critical misalignments.

Even in domestic projects, vague specs lead to rework. But when working with an overseas team, language, cultural, and business practice differences amplify the impact significantly. A single sentence in a spec document can be interpreted differently by Japanese and overseas teams alike — and when these “assumed-understood” items pile up, deadline delays and quality issues occur simultaneously.

We have experienced rework caused by misaligned spec interpretations in our own projects. Through that experience, we’ve come to understand just how critical documentation and upfront alignment truly are.

How to avoid it:

• Document screen specifications, business flow diagrams, and input/output definitions, and gain alignment before work begins
• Build spec review sessions into the design phase for two-way confirmation
• Mark ambiguous items as “TBD” explicitly, with a rule to update them once decided

Pattern 2: Failing to Design a Communication Structure

Even with a solid spec, problems accumulate when the communication framework isn’t in place during development. If you take a “contact us if anything comes up” approach and leave the team to their own devices, the development team will proceed while holding unresolved decisions — and you won’t discover the issues until the deliverable arrives.

Having multiple fragmented communication channels is also problematic. When some team members use Slack and others use email, information gets scattered. “I told someone” no longer means “the team was informed.”

At our company, the tools vary by client — Slack, Teams, Chatwork, Backlog — and we adapt flexibly to the client’s environment. But regardless of which tool is used, the premise is always to consolidate to a single channel and point of contact within the project. In fact, one long-term client told us that after establishing a structure of weekly Zoom check-ins, Backlog for progress tracking, and Slack for daily communication, they achieved “consistently high-quality development they could rely on.”

For the basics of communication design, see also: What is Offshore Development? Benefits, Drawbacks, and Keys to Success

How to avoid it:

• Schedule regular meetings: Make weekly progress check-ins mandatory — async alone isn’t enough
• Consolidate channels and contacts: Standardize communication channels within the project to prevent scattered information
• Standardize reporting formats: Use weekly reports to formalize issues, progress, and risks
• Agree on tools upfront: Adapt to the client’s tools while keeping a single channel within the project

Pattern 3: Choosing a Vendor on Price Alone

Selecting a vendor solely because their per-person-month rate is low is one of the highest-risk decisions you can make. The offshore development market includes a significant number of vendors that market their low costs while lacking adequate PM structure, quality management, and Japanese-language capability.

Even if cost reduction was the reason for going offshore, accumulated communication costs and rework costs can make the total comparable to — or higher than — domestic development. It’s essential to evaluate vendor structure, track record, and management systems as a package, not just the unit price.

5 key things to check when selecting a vendor:

1. Communication structure: Is there a Japanese-speaking contact, or does the PM/interpreter have sufficient Japanese capability?
2. Quality management: Are QMS standards and code review processes in place?
3. Specificity of track record: Can they show experience with projects similar in industry, scale, and tech stack?
4. Reporting structure: Is their weekly reporting and issue management system standardized?
5. Security posture: Do they have ISMS certification? What are their rules for handling confidential information?

Pattern 4: Handing Off Quality Control and Testing Entirely

“The vendor will handle testing, so we’re fine” is a dangerous assumption. If the development side and the client side haven’t aligned on what “passing” means, the vendor may report tests as complete while the deliverable falls short of the client’s quality expectations.

This can happen in domestic development too, but with an overseas team, it’s harder to establish shared standards for “what constitutes completion” — which raises the risk. Leaving test design responsibilities undefined can cause problems to surface just before a production release.

At our company, we include all phases from basic design through unit and integration testing within our scope, and our PMs clarify and manage who is responsible for each phase.

How to avoid it:

• Agree on test phase scope and responsibility allocation before signing the contract
• Clearly define the acceptance criteria for test completion upfront
• Explicitly state in the contract that test specifications and evidence must be included in the deliverables

Pattern 5: Starting with a Large-Scale Order Right Away

Placing a large order of tens of person-months on your very first offshore engagement is high-risk. Vendor compatibility, communication quality, and actual technical capability can only be properly assessed by actually working through a project together.

We recommend new clients start with a trial to evaluate cost and quality. Looking at our own track record, 728 out of 800+ projects have been under 10 person-months. It’s realistic to start with a small fixed-price project, verify structure, quality, and communication, and then gradually expand the scale and number of engagements.

Starting immediately with a lab-style (time-and-materials) contract is not suited for small starts — when team design and shared business understanding aren’t yet established, misaligned expectations arise on both sides. The better path is to build the relationship through a clearly scoped fixed-price engagement first, then consider ongoing collaboration.

How to avoid it:

• Start your first engagement as a small fixed-price project
• Verify quality, communication, and compatibility before scaling up
• Consider transitioning to a lab-style model only after trust has been established

Conclusion: Failures Can Be Prevented with the Right Systems

Looking back at the five patterns, while technical capability plays a role, the biggest root cause is consistently “the absence of proper systems.”

We too have continuously refined our approach to offshore development through trial and error. The insights in this article are drawn from that experience. Whether you’re considering offshore development for the first time, or have had setbacks in the past, start by reviewing your own ordering process, communication design, and vendor selection criteria.

We will propose the best approach for your project

As a leading Japanese IT solutions company with approximately 20 years of experience in Vietnam offshore development, we provide software and system development services.
Please feel free to contact us when considering offshore development.
Vietnam Offshore Development

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