Services

React, React Native, and GraphQL expert development and consulting.

Start up

Discover → Prototype → MVP → Launch Your startup faces a lot of risks and we make sure that technical execution isn't one of them!

Accelerate

Join → Deliver → Improve We work together with your team in order to reach your goals faster!

Innovate

Research → Incubate → Productize Technology moves fast. Our team puts you ahead of the curve!

Featured work

ST6 has a track record of excellence and superior product execution.

Telerik Platform

Telerik Platform is a unified platform for designing, developing, testing, deploying, managing and analyzing cross-platform, web, native and hybrid mobile applications. It is recognized as leader in Gartner Magic Quadrant for Mobile App Development Platforms.

BitLendingClub

BitLendingClub is the largest Bitcoin crowd-lending platform with facilitated loans worth more than $8 million. The platform has more than 40000 customers from 120 countries.

Loanbase

Financial technology platform which provides next generation lending services to SMBs. It reduces the loan processing time from 12+ work hours down to 15 minutes.

Portfolio

Our work is our pride.

Dramler

Mobile

Agile Software Tech

Web

No Paper Menu

Mobile

Loanbase

FinTech

BitLendingClub

Blockchain

Telerik Platform

DevTools

Our values

Every day we try to exceed the success of yesterday - an endless and relentless effort guided by our core values!

Superior Craftsmanship

Integrity

Ingenuity

Passion

Superior Craftsmanship

We strive for perfection, exhibit technical excellence and superior software craftsmanship. We deliver more value than our clients expect.

Integrity

We are candid and we always work with transparency, honesty, and achieve the highest degree of integrity. Our clients trust and respect us.

Ingenuity

We intelligently solve our customer’s problems. Our team has extensive experience with the latest and greatest of technological trends, best practices, innovation, and solutions. We carry that experience into every project!

Passion

We are passionate about technology, innovation, the work we do, and the results we achieve. This passion energizes our efforts, the craftsmanship we work with, the integrity and the ingenuity we approach our customers.

Let’s Talk Software

Our team

A small team comprised of select, heavily vetted, superstar software craftsmen.

Kiril Gantchev

Kiril Gantchev

Co-Founder

Entrepreneur, Software Engineer, Blockchain Enthusiast and 3-times Startup Founder. Kiril has the keen eye for identifying risks early on, which helps our clients avoid pitfalls even before they materialize.

Ivaylo Bratoev

Ivaylo Bratoev

Co-Founder

Ivaylo is a passionate software craftsman, devops enthusiast and firm believer that great people build great products.

Stefan Dobrev

Stefan Dobrev

Co-Founder

Stefan has been fighting entropy in software for more than a decade. He believes that nothing is impossible, it just takes a little longer to accomplish.

Kristina Koeva

Kristina Koeva

Software Craftswoman

Super-smart craftswoman who constantly strives for perfection and is never afraid to dig into the depths of a technical problem. React Native superstar!

Nikolay Valchev

Nikolay Valchev

Software Craftsman

Nikolay is an efficiency and speed machine. His immense attention to detail shines when he conducts code reviews and he is highly driven towards technical excellence. A React superstar!

Ivan Spasov

Ivan Spasov

Software Craftsman

The calmness masks his passion for technology, speed of learning, drive for excellence and propensity to thoroughly cover all angles of a problem. DevOps is his second nature.

Steliyan Stoyanov

Steliyan Stoyanov

Software Craftsman

Detail-oriented craftsman with a constant drive for self-improvement, invests his time to get the big picture, and is extremely determined. His specialty is React Native.

Dimitar Tsonev

Dimitar Tsonev

Software Craftsman

A team player with superior problem-solving skills, attention to detail, and customer-focused personality! React Native Master Craftsman!

Vladimir Zagorski

Vladimir Zagorski

Software Craftsman

A front-end ninja, with an outstanding work ethic and the vision of a superstar UI designer! Vladimir is our go-to UI expert!

Iva Koevska-Atanasova

Iva Koevska-Atanasova

Tactical Craftswoman

Iva is our technical content mastermind. Armed with attention to detail, persistence, and a curious mind, she can tackle any challenge in the fields of technical documentation and content strategy.

You're not outsourcing, you're extending your team!

Kiril Gantchev

ST6, LTD