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Codest is a team of experienced developers from Poland. As a software house, we have been operating on the market for 10 years and released projects in 30 countries all over the world.

Our team consists of passionate engineers and product designers. We provide custom services to our partners. We gathered experienced talent within domains such as Web Development, E-commerce platforms, AdTech or Data Science. Our developers work in Ruby, RailsJavaScript, React, Vue and Elixir technologies. We have also UI and UX designers, who take care of the appearance and intuitiveness of our developed projects.

 
$10,000+
 
$50 - $99 / hr
 
50 - 249
 Founded
2009
Show all +
Kraków, Poland
headquarters
  • Fabryczna 20A
    Kraków 31-553
    Poland
other locations
  • Czerska 8/10
    Warsaw
    Poland

Portfolio

Key clients: 

Yieldbird, Mittmedia, Agora Performance, Gazeta Wyborcza, Helpling, Kesko Senukai Digital

 

 

Reviews

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React Native Development for eCommerce Company

"They deliver what they promise."

Quality: 
5.0
Schedule: 
5.0
Cost: 
5.0
Willing to refer: 
5.0
The Project
 
Confidential
Project summary: 

CODEST integrating an acquired e-commerce platform with an existing one to match features and functionalities. They’re also developing a multi-language feature.

The Reviewer
 
200-500 Employees
 
Lithuania
Engineering Manager, UAB "Kesko Senukai Digital"
 
Verified
The Review
Feedback summary: 

Their deliverables have received positive customer feedback for their quality. CODEST is an accountable partner who clearly communicates progress. They hit deadlines and estimates and provide useful feedback.

BACKGROUND

Introduce your business and what you do there.

I’m the engineering manager of an e-commerce company. We have websites and e-shop platforms in different countries. We sell different kinds of DIY items, including electronics, computers, phones, and some cosmetics.

OPPORTUNITY / CHALLENGE

What challenge were you trying to address with CODEST?

We bought another company that is also an e-commerce platform. We needed to integrate their platform into ours and create functionality which we don’t have, but the other platform does. We needed a lot more people to help make that happen within six months.

SOLUTION

What was the scope of their involvement?

They’re helping us to create new features that our platform lacks. Once we launch another platform on top of our platform, we will have all those new features as well. We wanted the same technology stack that we’re using in our team, which includes Ruby on Rails, MySQL, Postgres, HTML, CSS, and jQuery. We’re still in the process of launching the platform. They’re developing a multi-language feature that will be launched next month.

Due to the GDPR law in Europe, we had to implement a functionality that takes the data from production and anonymizes it. We use this help our developers and QA managers test things before deploying to production.

They also integrated a new payment provider, which we haven’t launched yet. It allows us to store credit card information on their servers and customers can pay for their order online.

What is the team composition?

We started with a warm-up with one developer to see how effective they could be. Eventually, some other projects came up and we now have three more full-time developers on the team.

How did you come to work with CODEST?

We lacked good candidates here in Lithuania and decided to search abroad. CODEST used the same technology stack as us and their hourly rates were good. We decided to give them a trial project, an MVP, which worked really well. On top of that, we organized some new features and improvements. In general, this project converted from a locked contract into a full-time position. We saw the quality within the first three weeks.

What is the status of this engagement?

We started working together in January 2019 and the work is ongoing.

RESULTS & FEEDBACK

What evidence can you share that demonstrates the impact of the engagement?

I’m really happy with what they deliver on a daily basis. We are happy with the quality of their development efforts and their hourly rates.

How did CODEST perform from a project management standpoint?

They communicate well and we have daily standups. We have a project management tool where we discuss how things should be done. We also call via Slack when things aren’t very clear. It goes very smoothly.

I’ve tried to take this good experience with them into our internal team. On some projects, we were quite strict with the deadlines and they were able to deliver faster. We failed to finish all of those projects from the business side though. There were no issues with any of the deadlines.

What did you find most impressive about them?

They deliver what they promise and meet deadlines. They’re really good at estimations. There’s a balance between the quality and the rate. They give us good suggestions and feedback from their experience. It’s a good collaboration.

Are there any areas they could improve?

No, there’s nothing I’d have them improve.

4.5
Overall Score
  • 5.0 Scheduling
    ON TIME / DEADLINES
  • 5.0 Cost
    Value / within estimates
  • 5.0 Quality
    Service & deliverables
  • 5.0 NPS
    Willing to refer

E-Commerce Dev for Large Media Company

“The affiliate network couldn’t have come into existence without CODEST’s work.”

Quality: 
4.5
Schedule: 
3.5
Cost: 
4.5
Willing to refer: 
4.0
The Project
 
$200,000 to $999,999
 
Jan. 2014 - Dec. 2018
Project summary: 

CODEST provided e-commerce development services, working on a long-term build of an affiliate network application. They used Ruby on Rails, with PostgreSQL and MongoDB databases to write the app from scratch.

The Reviewer
 
1,001-5,000 Employees
 
Warsaw, Poland
Leszek Olszański
E-Commerce Director, Agora SA
 
Verified
The Review
Feedback summary: 

The collaboration with CODEST produced the affiliate network, and despite later issues with its stability and performance, it enabled the company to run its essential operations for several years. The team was always a great partner and now has more experience in the field.

BACKGROUND

Introduce your business and what you do there.

I was the e-commerce director for a large Polish publisher running multiple press titles and websites. My department was responsible for running an online affiliate network.

OPPORTUNITY / CHALLENGE

What challenge were you trying to address with CODEST?

We needed them to write a web app from scratch, which would serve as the heart of our affiliate network, fulfilling all the needs connected to it.

The most important functionality was a tracking service—the app would collect information about every single click and lead generated by the network and count all the money. There would also be functionalities for building statistics, sorting, assigning traffic to the network publishers, and running financial operations.

SOLUTION

What was the scope of their involvement?

They developed the web app using Ruby on Rails, with PostgreSQL and MongoDB databases. It ran on quite complicated infrastructures requiring a number of database instances. The team wrote it from scratch and were also responsible for a large part of its administrative functions and quick improvements to assure the stability of the system.

What is the team composition?

I worked with Jakub (COO, CODEST), but the developers were usually our main points of contact. They were replaced from time to time, so there were a number of people working for us. Tomasz (Expert Ruby Developer and Dev Manager, CODEST) worked with us for the longest time, along with one other team member.

How did you come to work with CODEST?

I was mandated to work with them, as CODEST is part of the Agora group.

How much have you invested with them?

At the time of my departure, the rough combined cost was around 1 million Polish zloty, or perhaps a bit more (approximately $267,000 USD).

What is the status of this engagement?

I worked CODEST from 2014–2018.

RESULTS & FEEDBACK

What evidence can you share that demonstrates the impact of the engagement?

This collaboration was essential—the affiliate network couldn’t have come into existence without CODEST’s work. The application served as the very heart of our business. It covered all essential operations for publishers running ad campaigns, financials, and so on.

I’m partly satisfied with their work. In the very beginning, the application ran well: it was stable, and it provided all the functionalities we needed. However, as time passed, it became a little messy, and some bad practices accumulated. During the last year of work, we had a number of problems connected with performance, stability, and optimization, which cost us a lot of time, money, and led to some stressful moments. These problems appeared after three years of continuous development on the app, including data consistency and code optimization.

How did CODEST perform from a project management standpoint?

We worked with them remotely on a daily basis. There were a lot of email and phone exchanges, and the developers acted as a remote part of our team. We also had longer remote conferences 2–3 times per week.

I was satisfied with the level of collaboration as they were always at our disposal, they answered emails and phones instantly, they had good engagement, and they addressed problems in a professional manner.

Often, they fulfilled duties that were meant for infrastructure administrators, rather than developers. There were some glitches with our hosting company, and CODEST was a great partner for us in solving these problems.

What did you find most impressive about them?

As a business manager, I’ve only worked with Agora’s internal IT team and with CODEST. Compared to my former IT department, I appreciated the quality of CODEST’s service. They’re faster, better programmers, more engaged in projects, more responsive, and so on.

Are there any areas they could improve?

They could’ve produced better-quality code. They made some mistakes designing the database structure, which became ineffective after a few years of continuous use. The quality of the code they produced wasn’t top-class, but I can’t say they’re incompetent, either. They made the application from scratch and their level of understanding into our needs and requirements was high.

This was the very first affiliate networks application that CODEST produced. It’s possible that some flows in this app were inadequate because of their lack of practice in the industry. Our own team was also new to the requirements, so we were less accurate when forming our requirements.

They could also improve by planning more before working on the design, especially around databases. This would make them more flexible and expandable. A microservices approach would make their apps less bloated and more manageable.

Do you have any advice for future clients of theirs?

Commit CODEST to produce the app. They have more experience now, and application development is in their DNA. Clients should hire developers that are not only good, but who have experience; who know the structure and requirements of a field, and who know the directions in which an application can develop. This will aid in avoiding some young-age mistakes that can then bias the ongoing development of the product.

Secondly, work closely with the team to design the core structure of an app and its database. Leaving it solely to the developers can backfire later on when the market pushes the company to steer the app in a new, unexpected direction.

Finally, let CODEST take care of server administration and configuration. Committing a third party to run the infrastructure is a bad option, as gaps emerge in the communication between the developers and the admins. CODEST is capable of running an infrastructure, so I advise picking a cloud hosting solution and bringing CODEST in to deal with it in a top-down manner.

4.0
Overall Score
  • 3.5 Scheduling
    ON TIME / DEADLINES
  • 4.5 Cost
    Value / within estimates
  • 4.5 Quality
    Service & deliverables
  • 4.0 NPS
    Willing to refer

Ruby on Rails Website Dev for Independent Newspaper

"CODEST provides a professional service."

Quality: 
4.0
Schedule: 
5.0
Cost: 
4.0
Willing to refer: 
5.0
The Project
 
Confidential
 
Mar. - Dec. 2017
Project summary: 

CODEST collaborated on building a digital newspaper platform to increase online subscriptions. The team used Ruby on Rails, Apache Solr, and MongoDB to develop the news portal. They now provide maintenance.

The Reviewer
 
1001-10,000 Employees
 
Warsaw, Poland
Krzysztof Madejski
Director of IT, Gazeta Wyborcza
 
Verified
The Review
Feedback summary: 

The final version launched in 2017 and CODEST continues providing updates and bug fixes when requested. Since completion, the business has been able to monetize the archive. CODEST works efficiently and responsively. Customers can expect a team that delivers quality results in a timely manner.

BACKGROUND

Introduce your business and what you do there.

I’m the IT director for the newspaper segment of Agora SA. My responsibility is to help businesses build new business models and products based on subscriptions, specifically web and mobile apps.

Our IT department's split into two business divisions: general IT services for the whole company and development teams for essential business units, like business transformation. Together, the department develops and brings products to the market.

OPPORTUNITY / CHALLENGE

What challenge were you trying to address with CODEST?

We were trying to transform our traditional newspaper model into digital form and focus on selling subscriptions, not just newspapers.

SOLUTION

What was the scope of their involvement?

CODEST created a digital product based on our archived, printed newspapers. The digital archive has specific features aimed at helping customers find information, including a full-text search. The content is delivered through a backend and partial fronted, for display.

Their team used Ruby on Rails technology for the platform. It’s based on an API structure that delivers data from our archive. The index is based on an Apache Solr solution on the backend. Files are imported from the file system and exported to a MongoDB database.

They delivered a partial HTML design of the website, while my team provided some elements. CODEST also worked on the UX/UI based on our definitions, checking the accuracy for the people working in the backend of the materials we publish. We worked together as two teams.

How did you come to work with CODEST?

CODEST is part of the same group as our company. It was a given to go to them when looking for available resources.

What is the status of this engagement?

We started working with CODEST in March 2017, and the product was sent to the market in October of that year. The final version launched in December 2017.

RESULTS & FEEDBACK

What evidence can you share that demonstrates the impact of the engagement?

After the final platform was implemented, we continued to make changes and bug fixes. Just recently, we asked CODEST for extensions. We spend an average of 20–25 hours per month on the work.

The general mission of the project was to build a channel for delivering news to subscribers. Once it finished, we were able to monetize our archive, which wasn’t available to us previously.

How did CODEST perform from a project management standpoint?

We worked with their team using the agile methodology, splitting the project into two-week sprints. At the end of the sprints, their delivery time was excellent and what we expected from them.

What did you find most impressive about them?

CODEST provides a professional service. Their approach to product delivery worked great for our team. Any issues we identified, they quickly fixed. Overall, the results were quality for us.

Are there any areas they could improve?

When a new developer was introduced to our team, we had to explain the project information and rules. CODEST didn’t provide everything, but other than that, the rest of the collaboration went smoothly.

Do you have any advice for future clients of theirs?

It’s important to define the rules of the collaboration and roles of each team member from the start. If everything is transparent in the beginning, it’ll help productivity.

4.0
Overall Score
  • 5.0 Scheduling
    ON TIME / DEADLINES
  • 4.0 Cost
    Value / within estimates
  • 4.0 Quality
    Service & deliverables
  • 5.0 NPS
    Willing to refer

Sales Web Platform Dev for Media Company

“They often know the best direction for our product.”

Quality: 
4.0
Schedule: 
4.0
Cost: 
3.5
Willing to refer: 
4.5
The Project
 
Confidential
 
2015 - Ongoing
Project summary: 

CODEST is developing the frontend and backend of a web-based tool for booking targeted online ads. The team continues to enhance the product using Ruby on Rails and JavaScript.

The Reviewer
 
1001-10,000 Employees
 
Sweden
Head of Development, Media Company
 
Verified
The Review
Feedback summary: 

The platform has dramatically increased revenue and contributed to business growth. CODEST’s nuanced understanding of industry needs, fluid communication, and high reliability make them a valuable partner.

BACKGROUND

Introduce your business and what you do there.

I’m a development manager for a large Swedish publisher of online and printed news. I’m responsible for developing news websites and mobile apps.

OPPORTUNITY / CHALLENGE

What challenge were you trying to address with CODEST?

We needed help building a new platform to be used by our sellers to create business growth. Using this tool, our sellers can sit with customers and set up ad campaigns. Since we didn’t have in-house resources back then, we needed a good partner.

SOLUTION

What was the scope of their involvement?

CODEST is building a tool for booking ads that can target different audiences. They’re using Ruby on Rails as the backend language and JavaScript for the frontend.

What is the team composition?

We're working with a team of frontend and backend developers from CODEST.

How did you come to work with CODEST?

They were chosen before I joined the company, mostly because of their Ruby on Rails skills.

What is the status of this engagement?

We’ve been working on the tool since 2015, and the collaboration is ongoing. We will continue to develop it in 2019.

RESULTS & FEEDBACK

What evidence can you share that demonstrates the impact of the engagement?

CODEST’s work has had a positive effect on our income. The platform makes it easier for our team to sell ads, which has resulted in increased business. It’s also being used by external customers, making it one of our most important products.

How did CODEST perform from a project management standpoint?

CODEST is doing a great job. We work remotely, but we have good communication with their team. They understand our business and stick to the schedule.

What did you find most impressive about them?

They’re loyal and hardworking. Plus, they’re open-minded about finding solutions. They often know the best direction for our product.

Are there any areas they could improve?

No. They should continue to guide us so that we can also implement changes on our side. We’re buying technical development, so it’s important that they listen to our needs, given that they know their craft best.

Do you have any advice for future clients of theirs?

Establishing a good relationship from the start is important.

4.5
Overall Score
  • 4.0 Scheduling
    ON TIME / DEADLINES
  • 3.5 Cost
    Value / within estimates
  • 4.0 Quality
    Service & deliverables
  • 4.5 NPS
    Willing to refer

Dev Partnership with Media Publisher

“They do everything they can to help us achieve more revenue from programmatic impressions.”

Quality: 
4.5
Schedule: 
5.0
Cost: 
5.0
Willing to refer: 
5.0
The Project
 
$200,000 to $999,999
 
Jan. 2016 - Ongoing
Project summary: 

CODEST is building an integrated technology platform, connecting it to various other systems to create comprehensive reporting systems. They also manage testing and run DevOps, such as maintaining the servers.

The Reviewer
 
51-200 Employees
 
Warzaw, Poland
Greg Kubrakiewicz
CTO, Yieldbird
 
Verified
The Review
Feedback summary: 

CODEST is a reliable partner, meeting project expectations and doing high-quality work. They’re extremely communicative and always make sure everyone’s on the same page. Unlike other firms, they don’t finish a project until they know it’ll be successful.

BACKGROUND

Introduce your business and what you do there.

I’m the CTO at Yieldbird, a company that helps publishers get better revenue from programmatic advertising. We create products for publishers and different networks and companies.

OPPORTUNITY / CHALLENGE

What challenge were you trying to address with CODEST?

We needed help with development.

SOLUTION

What was the scope of their involvement?

CODEST is helping build an integrated technology platform that accesses a variety of different platforms (like Google DoubleClick) and publishers. It then combines all the data to create merged reporting systems. CODEST helps implements optimization techniques such as A/B tests, machine learning algorithms, etc. They also do DevOps, like managing the servers. They mostly work in Ruby on Rails, JavaScript, and PHP.

What is the team composition?

They provide three scrum teams, which include project managers, 12 or 15 developers, and designers.

How did you come to work with CODEST?

We found them through a mutual connection. It was easier to start a cooperation because there was no understanding or conversation gap between us.

How much have you invested with them?

We’ve spent around $1 million.

What is the status of this engagement?

We started working together in January 2016, and the work is ongoing.

RESULTS & FEEDBACK

What evidence can you share that demonstrates the impact of the engagement?

When we first started, our annual vision was below $1 million. Now, we’re at $20 million a year, at least. When the company is growing that fast, you have to have a reliable technology partner. They do everything they can to help us achieve more revenue from programmatic impressions.

How did CODEST perform from a project management standpoint?

They run an agile methodology, and we both provide project managers. They consistently deliver minimally viable products (MVPs) and always make sure I understand what’s going on. Their code reviews are excellent, too.

What did you find most impressive about them?

They treat the project like their own, making sure it’s as high-quality as possible. They don’t finish a project unless it’s completely functioning.

Are there any areas they could improve?

No.

Do you have any advice for potential customers?

Understand your project and goals well because they’ll ask lots of questions.

5.0
Overall Score
  • 5.0 Scheduling
    ON TIME / DEADLINES
  • 5.0 Cost
    Value / within estimates
  • 4.5 Quality
    Service & deliverables
  • 5.0 NPS
    Willing to refer