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We are trusted

Yellow in Numbers

Proven by delivered projects, retained clients, and consistent engineering output.

317+

Projects delivered

91%

Client retention rate

10+

Years of experience

98%

Projects delivered within agreed budget

Software Development Services We Provide

Services covering web and AI development, UI/UX design, DevOps, and QA.

AI/ML development
Web development
QA testing
UI/UX design
DevOps

AI/ML development

Development of ML models, LLM pipelines, and data processing systems to automate routine tasks and find patterns in chaos.

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Web development

Front-end and backend development using modern frameworks, APIs, and database architectures.

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QA testing

Automated and manual testing, including unit, integration, and end-to-end tests with performance validation.

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UI/UX design

Interface design, prototyping and wireframes prepared for implementation using component-based frontend frameworks.

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DevOps

Cloud infrastructure, containerization, CI/CD pipelines, and monitoring using tools like Docker, Kubernetes, and cloud platforms.

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Services for Different Types of Businesses

Our services are tailored to startups, growing companies, and enterprises with different technical needs and constraints.

For startups
For tech businesses
For enterprises
For industries

For startups

Our software product development services help startup founders build lean and focused Minimum Viable Products (MVPs) and ship products with defined scope and fast iteration cycles.

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For tech businesses

We help software companies extend products, scale systems, and support ongoing development with additional engineering capacity when needed. We become a true extension of your team.

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For enterprises

We help enterprises modernize legacy systems and handle complex data migrations. We build custom ERP systems to manage operations, automate workflows, and unify data across departments.

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For industries

We provide software development services tailored to industry-specific requirements, workflows, and constraints. Systems are designed to integrate with existing processes and meet domain-specific standards.

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Technologies we use

We use the most advanced tech stack based on your system requirements, scalability, and integration needs.

Python

JavaScript

TensorFlow

PyTorch

Claude

spaCy

Whisper

FastAPI

OCR

LangGraph

Clients Voice

What clients say about working together and outcomes.

When Yellow is working on a task, they understand how it will impact the product down the line. The team has provided great insight into our processes, making sure we don’t make small mistakes that will impact us in a larger way in the future.

Christopher Bianco

Christopher Bianco

CEO, Hyvery inc.

They were very accessible regardless of the time difference as well as communication was good. We had a couple bumps here and there regarding designs that were not originally discussed in our UX/UI designs but they were quick to find solutions as well as any needed changes we requested.

Bradley J.Humble

Bradley J. Humble

Co-Founder & CTO, DealStryker, Inc.

I liked working with them because they were good. With their work, we increased our mobile app’s user usage. We also got reviewed as one of the top 10 employee engagement services in Europe. Their project management was really good. They worked in sprints, and I always communicated directly with their developer. More importantly, they were attentive to our project's details.

Thomas Urban

Thomas Urban

Founder & CTO, Weffect

Browser compatibility and readability have increased markedly since the engagement began. Yellow's development process helped them beat deadlines and respond quickly to any technical concerns that arose. Their ability to bring creative ideas of their own to the table made them a valuable partner. Yellow typically understood exactly what the issue was and came back with a fix right away. 

Jerry Sparkman

Jerry Sparkman

IT Director, National Association of Tax Professionals

If you are looking for a partner to collaborate with for the development process, I would consider hiring Yellow. Yellow has an intelligent team of developers that collaborated on the project to build a quality app. They follow instructions seamlessly, respond effectively to feedback, and invest themselves in the overall success of the product. I would happily use them again if we needed developing services.

Chris Pointon

Chris Pointon

CTO, Racefully

Yellow is by far the best at helping us make decisions to push our company forward. I’d heard about them through a personal connection in the Bay Area. Yellow stands out because they’re invested in the results and clients. Every single person on Yellow’s team genuinely cares about what they’re doing. I really appreciate that about them and it’s the main reason we will continue our relationship for as long as possible.

William Hamilton

William Hamilton

Co-Founder, SmartPath.co

Yellow quickly and seamlessly assimilated into a fast-paced and nuanced workflow, completing all deliverables on time. Responsive to questions, updates, and issues, they have streamlined management operations and reduced work backlogs by directing communication to appropriate in-house team members.

Eric Morgan

Eric Morgan

Product Manager, Speed Digital

The new features have benn well received by users. Attentive and flexible, the team excelled at responding to stakeholders in a timely matter. Their technical expertise allows them to propose valuable solutions.

Ian Ross

Ian Ross

CEO, OppSites

Engaged, supportive, and invested in project success, the team offered constructive criticism, creative guidance, and honest communication. Their user-centered approach resulted in a unique and reliable product that operates well on all systems.

Jim Barkow

Jim Barkow

Founder, Famlicious Inc.

Because of marketing costs, the B2C application fell out of use in favor of a different B2B tool. Yellow was very focused on customer satisfaction, and they participate regularly in standups. They helped solidify features, and they thoroughly explained their process.

Sandro Tuzzo

Sandro Tuzzo

CEO, Separate.us

We're impressed with their loyalty and honesty. They were able to stay true to the original quote even though we needed to change and add a few requirements. They've done a lot of good work for us on all fronts, but it's amazing to see that they're able to stick to what they initially promised.

Jon Shower

Jon Shower

CEO, BlackBird

Mainly, I go by client feedback to judge Yellow’s performance, and the clients have been very impressed with their work. The team is exact in what they do, their delivery has been good, and they’re on time and budget.

Adam Plager

Adam Plager

CEO, QKSS

Their performance was good. I didn’t expect that kind of performance from someone working offsite. I was happy that they completed the project ahead of schedule, so we had some time left to work on additional projects and improvements.

Max Abukhovsky

Max Abukhovsky

CEO & Founder, Coverium

When Yellow is working on a task, they understand how it will impact the product down the line. The team has provided great insight into our processes, making sure we don’t make small mistakes that will impact us in a larger way in the future.

Christopher Bianco

Christopher Bianco

CEO, Hyvery inc.

They were very accessible regardless of the time difference as well as communication was good. We had a couple bumps here and there regarding designs that were not originally discussed in our UX/UI designs but they were quick to find solutions as well as any needed changes we requested.

Bradley J.Humble

Bradley J. Humble

Co-Founder & CTO, DealStryker, Inc.

I liked working with them because they were good. With their work, we increased our mobile app’s user usage. We also got reviewed as one of the top 10 employee engagement services in Europe. Their project management was really good. They worked in sprints, and I always communicated directly with their developer. More importantly, they were attentive to our project's details.

Thomas Urban

Thomas Urban

Founder & CTO, Weffect

Browser compatibility and readability have increased markedly since the engagement began. Yellow's development process helped them beat deadlines and respond quickly to any technical concerns that arose. Their ability to bring creative ideas of their own to the table made them a valuable partner. Yellow typically understood exactly what the issue was and came back with a fix right away. 

Jerry Sparkman

Jerry Sparkman

IT Director, National Association of Tax Professionals

Works

more works

We are recognized

Why choose Yellow as your custom software development partner?

why-yellow-ai

AI first approach

Just sprinkling AI on top of existing software is not our way. We build products with AI in mind from day one.

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AI first approach

Just sprinkling AI on top of existing software is not our way. We build products with AI in mind from day one.

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why-yellow-ai-chat

Beyond chatbots

Our software developers do not just code. We put your business needs first to ensure that the future app or website will fit your requirements and bring you profit.

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Beyond chatbots

Our software developers do not just code. We put your business needs first to ensure that the future app or website will fit your requirements and bring you profit.

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why-yellow-education

Business before technology

Before the start, we sign a non-disclosure agreement (NDA) with you, so there is no reason to worry about your data safety.

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Business before technology

Before the start, we sign a non-disclosure agreement (NDA) with you, so there is no reason to worry about your data safety.

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why-yellow-trophy

Proven track record

Our partners have already highly rated Yellow as a development company, so for now, we have 5 stars on Clutch and GoodFirms.

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Proven track record

Our partners have already highly rated Yellow as a development company, so for now, we have 5 stars on Clutch and GoodFirms.

Read more

Our streamlined process delivers results

01 Request

We analyze your request and respond within 1 business day.

02 Requirements

Initial analysis of goals, constraints, and technical needs.

03 Proposal

We prepare a proposal with a timeline, budget, and team.

04 Agreement

Scope, timelines, team, and terms are finalized.

Get in touch

Share your project goals with us and let's kick things off.

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Your budget (USD)

20-50k
50-100k
100-500K
> 1,000K

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