Engineering for Real FinTech Outcomes
Powering fintech growth with secure and scalable solutions
4 Spots Available
5 out of 5 on Clutch
See How We Can Help Your Product
Tailored PSP Solutions
Our team delivers gateways, portals, seamless third-party integrations, and bespoke solutions, aligned with your roadmap and growth targets
Tailored PSP Solutions
Our team delivers gateways, portals, seamless third-party integrations, and bespoke solutions, aligned with your roadmap and growth targets
Tailored PSP Solutions
Our team delivers gateways, portals, seamless third-party integrations, and bespoke solutions, aligned with your roadmap and growth targets
Fast & Reliable Performance
Optimized for speed and stability: smart caching/CDN, lean bundles, and monitored uptime
Fast & Reliable Performance
Optimized for speed and stability: smart caching/CDN, lean bundles, and monitored uptime
Fast & Reliable Performance
Optimized for speed and stability: smart caching/CDN, lean bundles, and monitored uptime
Operational Integrations for Growth
Billing, user identity, customer data, and reporting - less manual work, faster delivery
Operational Integrations for Growth
Billing, user identity, customer data, and reporting - less manual work, faster delivery
Operational Integrations for Growth
Billing, user identity, customer data, and reporting - less manual work, faster delivery
Connect to Content
Add layers or components to infinitely loop on your page.
Outcome over output.
We prioritize real business results over sheer volume of deliverables.
Velocity with reliability
The Value We Bring
The LeaSoft Difference
Discover the LeaSoft difference - we build high-quality products that scale with your needs
Trust
We cultivate an environment where trust thrives because of honesty, transparency, and mutual respect.
Trust
We cultivate an environment where trust thrives because of honesty, transparency, and mutual respect.
Trust
We cultivate an environment where trust thrives because of honesty, transparency, and mutual respect.
Teamwork
We champion collaboration—strong relationships and a sense of belonging fuel our success.
Teamwork
We champion collaboration—strong relationships and a sense of belonging fuel our success.
Teamwork
We champion collaboration—strong relationships and a sense of belonging fuel our success.
Growth
We nurture growth, learning, and curiosity within our teams.
Growth
We nurture growth, learning, and curiosity within our teams.
Growth
We nurture growth, learning, and curiosity within our teams.
Innovation
We achieve technical excellence by fearlessly embracing the challenge to experiment and innovate.
Innovation
We achieve technical excellence by fearlessly embracing the challenge to experiment and innovate.
Innovation
We achieve technical excellence by fearlessly embracing the challenge to experiment and innovate.
Willingness to help
We are community builders. Our willingness to help is at the heart of what we do.
Willingness to help
We are community builders. Our willingness to help is at the heart of what we do.
Willingness to help
We are community builders. Our willingness to help is at the heart of what we do.
Transparent Communication
Clear, open lines of communication turn feedback into action and measurable progress.
Transparent Communication
Clear, open lines of communication turn feedback into action and measurable progress.
Transparent Communication
Clear, open lines of communication turn feedback into action and measurable progress.
Mindset
Our Values
Core values that define our way of building
People are the main value of our company
We hire with care, invest in growth and well-being, and create a safe space for ownership, feedback, and recognition
Value 01
People are the main value of our company
We hire with care, invest in growth and well-being, and create a safe space for ownership, feedback, and recognition
Value 01
People are the main value of our company
We hire with care, invest in growth and well-being, and create a safe space for ownership, feedback, and recognition
Value 01
Mutual trust and respect
We communicate openly, keep our promises, and assume positive intent - in the team and with clients
Value 02
Mutual trust and respect
We communicate openly, keep our promises, and assume positive intent - in the team and with clients
Value 02
Mutual trust and respect
We communicate openly, keep our promises, and assume positive intent - in the team and with clients
Value 02
Bring to the world more than we take from it
We contribute through mentorship, knowledge sharing, open source, and responsible business that leaves a positive mark
Value 03
Bring to the world more than we take from it
We contribute through mentorship, knowledge sharing, open source, and responsible business that leaves a positive mark
Value 03
Bring to the world more than we take from it
We contribute through mentorship, knowledge sharing, open source, and responsible business that leaves a positive mark
Value 03
Agile values in development
We deliver in small iterations, validate with users, measure outcomes, and adapt quickly to change
Value 04
Agile values in development
We deliver in small iterations, validate with users, measure outcomes, and adapt quickly to change
Value 04
Agile values in development
We deliver in small iterations, validate with users, measure outcomes, and adapt quickly to change
Value 04
About LeaSoft
Discover Who We Are and Our Mission
Discover Who We Are and Our Mission
Discover Who We Are and Our Mission
We’re a product-focused engineering partner. We align with your roadmap to build and ship reliable products - secure by default, audit-ready, and built to scale. With cloud and platform engineering, test automation, and observability, we turn plans into predictable releases and measurable results
We’re a product-focused engineering partner. We align with your roadmap to build and ship reliable products - secure by default, audit-ready, and built to scale. With cloud and platform engineering, test automation, and observability, we turn plans into predictable releases and measurable results
We’re a product-focused engineering partner. We align with your roadmap to build and ship reliable products - secure by default, audit-ready, and built to scale. With cloud and platform engineering, test automation, and observability, we turn plans into predictable releases and measurable results
Mike Davydov
Founder & CEO
Approach
Our Development Approach
Discover how we build reliable, scalable products from day one
Team
The Heart of LeaSoft
Our strength is in our team. We grow, learn, and build products together
Denis
Team Lead
Denis
Team Lead
Denis
Team Lead
Bohdan
Team Lead
Bohdan
Team Lead
Bohdan
Team Lead
Kostyantin
TypeScript Game Developer
Kostyantin
TypeScript Game Developer
Kostyantin
TypeScript Game Developer
Helen
QA/QC Lead
Helen
QA/QC Lead
Helen
QA/QC Lead
Oleksandr Tiutiunnyk
Team Lead
Oleksandr Tiutiunnyk
Team Lead
Oleksandr Tiutiunnyk
Team Lead
Works
Explore Our Recent Projects
Browse through our portfolio showcasing diverse, innovative web design projects and client successes.
Product Insights
Reliability drives retention
Reliability drives retention
Fast, stable, secure experiences keep users coming back
Comparison
Choosing LeaSoft Over Others
See why LeaSoft stands out with superior service, innovation, and client satisfaction benchmarks
Other Agencies
Work through tasks and call “delivered” a success.
Take ownership of outcomes and tie the work to your product goals.
Irregular releases with manual handoffs.
Predictable cadence with automated builds and deploys.
Patches pile up tech debt; little documentation.
Clean architecture, code reviews, tests, and living documentation.
Black-box communication; risks surface late.
Transparent roadmap and risk log, weekly demos, clear status.
Hidden extras and budget creep.
Up-front estimates, burn-rate tracking, and no-surprise billing.
Other Agencies
Experienced team delivering standard solutions.
Offers standard, template-based designs.
Limited post-launch support and updates.
Basic performance with average loading times.
Basic SEO practices for average online visibility.
Skilled specialists delivering customized solutions.Skilled specialists delivering customized solutions.
Offers innovative, bespoke website designs.
Comprehensive post-launch support and updates.
Optimal performance with fast loading times.
Advanced SEO tactics for enhanced online visibility.
Services
Explore Our Core Services
Discover our comprehensive range of services tailored to enhance your digital presence.
We build reliable web apps and sites end-to-end: architecture, frontend, backend, databases, and deployments.
Full-stack development.
Full-stack development.
Full-stack development.
API design & integrations.
API design & integrations.
API design & integrations.
Responsive, accessible UI/UX.
Responsive, accessible UI/UX.
Responsive, accessible UI/UX.
Clean architecture, reviews, docs.
Clean architecture, reviews, docs.
Clean architecture, reviews, docs.
Performance & best practices.
Performance & best practices.
Performance & best practices.
Other Services
UX/UI & Prototyping
Software Engineering
API Integrations
Dedicated Team
Cloud & DevOps
QA & Testing
Feature
Key Features Overview
Explore the full-stack features that differentiate LeaSoft in web development
Fuel Your Growth
Accelerate your growth with LeaSoft - tailored web design, development, and integrations
Fuel Your Growth
Accelerate your growth with LeaSoft - tailored web design, development, and integrations
Fuel Your Growth
Accelerate your growth with LeaSoft - tailored web design, development, and integrations
99% Client Success Rate
Join a community of satisfied clients benefiting from our proven excellence
99% Client Success Rate
Join a community of satisfied clients benefiting from our proven excellence
99% Client Success Rate
Join a community of satisfied clients benefiting from our proven excellence
Lead the Way
Stay ahead with innovative web development by LeaSoft
Lead the Way
Stay ahead with innovative web development by LeaSoft
Lead the Way
Stay ahead with innovative web development by LeaSoft
Users daily
Projects Completed
Years of Experience
Job Success on UpWork
Results & Analytics
Performance Insights and Analytics Overview
Performance Insights and Analytics Overview
Performance Insights and Analytics Overview
Trusted by Leading Brands
Our Blogs
News, insights and more
Dive into our blog for expert insights, tips, and industry trends to elevateyour project management journey.
Testimonials
Client Success Stories
Discover what our clients say about their experiences and success working with us.
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
Director
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
CEO - Apex
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
CEO - Zenith
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
Marketing Director
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
Director
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
CEO - Apex
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
CEO - Zenith
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
Marketing Director
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
Director
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
CEO - Apex
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
CEO - Zenith
"Thanks to LeaSoft’s work, the incident response time has improved significantly, and the internal team has more time to work on other important projects."
Joachim de Boer
Marketing Director
FAQ’s
Frequently Asked Questions
Answers to common questions about our services, processes, and what sets us apart.
What does LeaSoft actually do?
Which stacks do you use?
What does a typical project timeline look like?
How do you price?
Do you offer support after launch?
Can you help reduce our AWS bill?
What about analytics and dashboards?
Who owns the IP?
How do you monitor the platform?
What sets LeaSoft apart in payments engineering?
What does LeaSoft actually do?
Which stacks do you use?
What does a typical project timeline look like?
How do you price?
Do you offer support after launch?
Can you help reduce our AWS bill?
What about analytics and dashboards?
Who owns the IP?
How do you monitor the platform?
What sets LeaSoft apart in payments engineering?
What does LeaSoft actually do?
Which stacks do you use?
What does a typical project timeline look like?
How do you price?
Do you offer support after launch?
Can you help reduce our AWS bill?
What about analytics and dashboards?
Who owns the IP?
How do you monitor the platform?
What sets LeaSoft apart in payments engineering?
Still Have a Question
TRY LEASOFT
GET FREE SOFTWARE ARCHITECTURE & QUALITY AUDIT IN 3 DAYS
We sign off NDA • Share the code • Receive the Audit artefact
TRY LEASOFT
GET FREE SOFTWARE ARCHITECTURE & QUALITY AUDIT IN 3 DAYS
We sign off NDA • Share the code • Receive the Audit artefact
TRY LEASOFT
GET FREE SOFTWARE ARCHITECTURE & QUALITY AUDIT IN 3 DAYS
We sign off NDA • Share the code • Receive the Audit artefact
Start Your Project
Start your payment growth sprint with LeaSoft.
Customized design
Ongoing support
Fast delivery