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Client Testimonials & Case Studies

Discover our software initiatives and check out what our clients have to say

What our clients think

Helping CarTrawler, the leading global B2B provider of car rental and mobility solutions.

Jim Carr, software client
Our partnership with Zartis has been a huge success, and a real asset for CarTrawler as we leverage their expertise to pursue opportunities in the travel tech space.
Jim Carr | CarTrawler
Director of Engineering

Working with Concert Health to deliver high-quality behavioural health care.

bosky atlani - head of engineering
This is the second company in which I have partnered with Zartis - I know I can trust them to find great talent that reliably delivers high quality software.
Bosky Atlani | Concert Health
Head of Engneering

Setting up a remote development team for Fineos, a leading provider of core systems for life, accident, and health insurers.

male development manager
Zartis has been an extremely valuable partner for us in our growth path. They have helped us to set up an engineering scrum teams in Madrid, and have provided essential and ongoing support on the operational side.
Niall Mulhare | Fineos
Development Manager

Our developers help Forto, a global transport and logistics services provider, continue delivering industry-leading solutions.

logistics client
Zartis helped me find hidden talent in a short time and double my team size. Their high-quality and bar-raising engineers boosted my teams performance, and quickly adapted and performed with great results.
Rashid Shobaki | Forto GmbH
Engineering Team Lead

Kaluza is the leading intelligent energy platform powering the future of energy, from revolutionising billing to smart EV charging.

ben white
We experienced a period of rapid growth and needed to scale up one of our teams quickly. Zartis was pivotal in enabling us to do this, sourcing a team of high-calibre engineers in Madrid and taking care of all of the logistics from interviewing to the provision of office space and IT equipment. The engineers and Zartis in general are professional, reliable, and a pleasure to work with.
Ben White | Kaluza
Head of Engineering

Assembling extended development teams for ESW, a global eCommerce platform and Deloitte Technology Fast 50 chart-topper.

Head of Software Developmet at ESW
Zartis has been a valuable partner to us in scaling our development. They are easy to work with, flexible, and transparent. They have helped us set up remote engineering teams with the skills we’ve needed (state-of-the-art .NET stack). The Zartis developers have continuously shown strong engineering skills as well as expertise in architecture and good coding practices.
Petrina Leslie | ESW
Head of Software Development

Team augmenation case studies

fexco nearshore outsourcing case study

Helping Ireland’s Fintech solutions giant modernise its tech stack, replace legacy software, and develop a cutting-edge digital signature product.

kaluza nearshore outsourcing success story

Our augmented teams contribute daily to Energytech product development with multiple technologies, including Go, React, Node.js and TypeScript.

cartrawler

Fully integrated software experts across multiple agile squads, supporting the in-house teams through hands-on development and knowledge-sharing.

Artificial intelligence case studies

edtech client for ai chatbot project

Find out how our engineers helped an edtech giant build an AI-powered virtual assistant in to support multiple locations and languages.

customer service team working with AI chatbot technology

Discover how our AI experts helped a leading global supplier of billing insights solutions set a company-wide AI strategy and implementation roadmap.

Cloud cost optimisation consulting projects

cloud cost optimisation project for fintech
Fintech Project

Cloud cost planning and development

Helping a Fintech client design a scalable and affordable cloud infrastructure to move their core product from an on-premise system to cloud-native microservices architecture.

cloud cost optimisation for energy client
Energytech Project

Cloud cost reduction and monitoring

Helping an advanced award-winning energy usage forecast provider optimise their cloud-native machine learning (ML) product and reduce cloud operations costs up to 50% in some areas.

nearshoring madrid for US software companies
B2B Project

Cloud infrastructure optimisation

Managing the cloud infrastructure (AWS) for a digital identity platform to transform customer onboarding by simplifying the process, and improving automation to drive quicker ROIs.

Integration services consulting projects

custom API integration
Cleantech Project

Custom API integrations

We develop custom APIs and middleware tools that enable hardware manufacturers and third-party enterprise software systems to integrate with our Cleantech client’s energy management platform – offering sustainable energy resources.

managed client integrations
EV Project

Client integration management

Our client provides electric vehicle charging stations. We work on their ticketing system, and customer portal to manage integrations with customer systems that interact directly with their chargers, network, and reporting tools.
public api integration
Energytech Project

Public API integration

Implementing our energytech SaaS client’s API to enable integrations with energy retailers and charger manufacturers, so they can benefit different optimisation services offered by our client to enable flexibile energy consumption.

SDLC improvement projects

EHS Project

The Zartis team is involved in the Software Development Life Cycle of the client’s core product, performing tasks such as planning, design, implementation, testing, deployment, and maintenance of their platform.

modern fintech software
Fintech Project

SDLC automation

Worked on automating the provisioning of the Fintech client’s main product, automating the e-procurement process, as well as the quality assurance processes to minimise th need for interviention and achieve scalability.

sdlc improvement strategy for BI product
SAAS Project

DevOps and CI/CD set up

Designing CI/CD pipelines for different business intelligence services of a SaaS client. We scripted the IaaC and now manage all of their CI/CD pipelines, containerising every service taking a 12-factor approach for microservices. 

M&A tech services consulting projects

mergers and acquisitions services

Deal Readiness

Supported a Fintech client in modernising their tech stack and environment for pre-deal readiness, contributing to their successful sale for €750m.

 
post-acquisition support

Post-acquisition

Helped an Energytech client after acquiring a new business by aligning their architecture, merging tech stacks, and improving the mobile UX.

 
technical due diligence project

Tech Due Diligence

Prior to its acquisition, we improved a Cleantech client’s tech capabilities by consolidating its tech stack through a technical due diligence.

 

Who we serve

Fexco logo white
SMS logo white
IT consulting services client logo
ESW logo white
evotix logo
energyhub logo
Aylien logo white
Forto logo
pearl health logo
valid8me
compliance and risks logo
concert health
Lighter Capital logo
fineos logo
cartrawler logo
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Why they work with us

Teams of 1 to 30+ engineers

We can assemble teams of any size, from a one-man band to a small army of developers.

Up to 50% faster hiring

Together, we can deploy remote teams of up to 10 engineers in as little as 4 to 6 weeks.

90%+ developer retention

We have high retention rates over the past 5 years — and counting.

Projects of all sizes

Whether you have no internal development team or employ hundreds of developers, we'd be happy to help.

Impeccable client service

We put our clients' needs at the centre of everything we do and provide ongoing support at any time.

Seniority & expertise

90%+ of our engineers are at Senior, Principal and Lead level, with strong architecture and leadership experience.

Ready to start your software transformation journey?