About Yellowtail Software
Yellowtail Software is a leading mobile app development company. The assembly lines into large organizations by deploying solutions offered by the Cloud Foundry ecosystem. Their customers are among the first to make and monetize application-driven competitive advantages with Cloud Foundry. They provide exemplary software solutions for the world’s most forward-thinking organizations.
Last updated May 13, 2026
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Yellowtail Software Reviews
Write a ReviewSensor network and analytics layer built by engineers who understood both halves equally
Beatriz Cavalcanti / Chief Digital Officer - Cerrado Tech SAMay 15, 2026
Project summary: Several years of incremental development had left us with a platform that was technically functional but strategically limiting. A structured rebuild was the agreed path forward.
The technical quality of the final deliverable is the easiest thing to point to. The automated test coverage is thorough, the deployment pipeline is reliable, the documentation is genuinely useful rather than ceremonially produced. But the metric I keep returning to is the number of post-launch conversations we have not had to have. No incident calls at two in the morning. No emergency patches. No retrospective discussions about what went wrong. The absence of those events is the evidence I would show to someone considering this vendor.
Commercially transparent throughout — no hidden assumptions, no bill shock at the end, change requests that were fair and clearly explained rather than used as a margin-recovery mechanism
Pipeline availability for kickoff required a few weeks of lead time — in hindsight that selection pressure means you are working with a team that is in demand for the right reasons
Questions & Answers
Observability stack that caught three production issues before any user reported them
Victoria Haines / Chief Product Officer - Solaris Media GroupApr 20, 2026
Project summary: Our campaign management workflow had grown to involve twelve different tools and significant manual reconciliation. The inefficiency was affecting both speed and accuracy.
I came into this engagement as a sceptic. We had been through a failed implementation with a previous vendor and I had high standards for what evidence of competence looked like before I would trust a partner with our core systems. This team earned that trust progressively — through the quality of the discovery documentation, the rigour of the technical proposals, the consistency of the sprint deliveries, and ultimately the stability of the production system. I no longer lead with scepticism when recommending them.
Deep domain knowledge that reduced the discovery overhead significantly, proactive risk identification before issues became incidents, delivery cadence that our stakeholders found reassuring
The engagement was priced at the quality level rather than the budget level. We evaluated the alternatives and concluded that the delta was a reasonable premium for the reduction in delivery risk
Questions & Answers
Analytics foundation that lets us answer attribution questions we had given up asking
Niamh O'Sullivan / Director of Product - Munster Digital LtdMar 27, 2026
Project summary: A previous engagement had delivered something that worked in staging and struggled in production. We approached this project with greater rigour in vendor selection as a result.
The thing that retrospectively seems most significant is how little drama there was. Complex technology projects tend to accumulate incidents, escalations, and tense conversations. This one did not. Problems were surfaced before they became incidents. Scope changes were handled with process rather than conflict. Risks were managed rather than avoided. That level of maturity is rare in my experience and it made the delivery feel almost effortless from our side, which I know it was not from theirs.
Production system that has performed as specified since go-live without remediation work, documentation thorough enough to support internal maintenance, knowledge transfer that left our team genuinely capable
Their discovery process is more rigorous than we were accustomed to and required more preparation from our side than we had initially allocated — but the quality of what followed justified every hour of it
Questions & Answers
Consulting that delivered real options with real trade-offs rather than a predetermined answer
Rupert Ashford / Director of eCommerce - Hargrove Retail PLCFeb 11, 2026
Project summary: Dynamic pricing had been a manual process for years. We knew the revenue management opportunity was significant but lacked the technical capability to build the models and connect them to our booking engine.
We gave this team an aggressive timeline, a technically complex scope, and a client-side project team that was stretched thin and not always available at the speed the engagement required. They absorbed all of that gracefully. Where they needed input they were precise about what they needed and when. Where they could proceed independently they did. The result was a delivery that landed on time despite the constraints on our side, which I regard as evidence of genuine professional maturity.
Architectural decisions designed for longevity rather than just the current brief, thorough automated test coverage, post-launch stability that validated every technical choice made during discovery
Pipeline availability for kickoff required a few weeks of lead time — in hindsight that selection pressure means you are working with a team that is in demand for the right reasons
Questions & Answers
Design system that brought consistency to a product that had accrued four years of visual debt
Sabrina Vollmer / Chief Innovation Officer - Rheintal Digital AGFeb 06, 2026
Project summary: A previous engagement had delivered something that worked in staging and struggled in production. We approached this project with greater rigour in vendor selection as a result.
I came into this engagement as a sceptic. We had been through a failed implementation with a previous vendor and I had high standards for what evidence of competence looked like before I would trust a partner with our core systems. This team earned that trust progressively — through the quality of the discovery documentation, the rigour of the technical proposals, the consistency of the sprint deliveries, and ultimately the stability of the production system. I no longer lead with scepticism when recommending them.
Deep domain knowledge that reduced the discovery overhead significantly, proactive risk identification before issues became incidents, delivery cadence that our stakeholders found reassuring
Pipeline availability for kickoff required a few weeks of lead time — in hindsight that selection pressure means you are working with a team that is in demand for the right reasons
Questions & Answers
Distributed ledger that finally solved a trust problem we had spent three years arguing about
Tobias Lindemann / Leiter Digitalisierung - Lindemann Industrie GmbHJan 02, 2026
Project summary: A previous engagement had delivered something that worked in staging and struggled in production. We approached this project with greater rigour in vendor selection as a result.
The thing that retrospectively seems most significant is how little drama there was. Complex technology projects tend to accumulate incidents, escalations, and tense conversations. This one did not. Problems were surfaced before they became incidents. Scope changes were handled with process rather than conflict. Risks were managed rather than avoided. That level of maturity is rare in my experience and it made the delivery feel almost effortless from our side, which I know it was not from theirs.
Delivery timeline that proved achievable rather than optimistic, estimation accuracy that reflected real analysis rather than competitive bidding, scope discipline that prevented the feature creep we had experienced before
The quality of documentation they produce means our team needed to set aside dedicated review time to do it justice — a minor scheduling point rather than a genuine criticism
Questions & Answers
Truly impressed with their expertise and commitment
Emily Rodriguez / Founder & CEO - LaunchPad VenturesMar 22, 2025
Project summary: We required a custom platform that would give us a measurable competitive advantage in our market.
Working with this team was genuinely refreshing. They brought creative ideas to the table, executed them with precision, and managed the project with a level of professionalism we rarely see. Feedback was acted on quickly, the documentation is excellent, and the end product has transformed how we operate. Our customers have noticed the difference immediately. We have already recommended them to three other companies in our network.
Excellent communication, high-quality deliverables, on-time delivery, proactive problem-solving
Slightly higher day rate than some alternatives, but the quality justifies every penny
Questions & Answers
Truly impressed with their expertise and commitment
Liam O'Connor / Founder - Sydney Startup HubFeb 04, 2023
Project summary: Our company needed a reliable technology partner to deliver a complex project within a tight timeline.
From the discovery workshop to the final handover, the experience was seamless. The team invested real effort in understanding our business goals before writing a single line of code, and that foundation paid dividends throughout. Every milestone was hit, every deliverable was polished, and the few issues that arose were resolved before we even had to ask. The solution has already delivered measurable ROI and we are planning our next engagement with them.
Excellent communication, high-quality deliverables, on-time delivery, proactive problem-solving
None — every aspect of the engagement exceeded our expectations