Meet the Developers Behind Your Solutions
Decades of combined experience in Java, PDF technology, and enterprise software development
Mark
CEO & Founder | Since before the company existed
Core Technologies
Java, PDF, HTML
Expertise
JPedal Core code architecture and ongoing development. Mark has been at the heart of IDRsolutions' technology since its inception, establishing the foundation for all our PDF solutions.
Beyond the Code
Besides running for fitness Mark also has a keen interest in Mediaeval history (and has a degree in it!)


Kieran
Software Engineer | Since 2006
Core Technologies
Java (19 years), Docker (6 years), Kubernetes (2 years), Maven (9 years), Jenkins (10 years), Python (8 years)
Primary Projects
JPedal, Core Library, Microservices, Test Suite
Expertise
Core Library, JPedal, PDF Manipulation. With nearly two decades at IDRsolutions, Kieran possesses unparalleled knowledge of our core technology stack and has been instrumental in building the robust foundation that supports all our products.
Beyond the Code
Retro video games, tabletop roleplaying games, and LARP
Leon
BuildVu Product Manager | Since 2012
Core Technologies
HTML/CSS (18 years), PHP (16 years), Java (15 years), PDF (13 years "still feels like I'm just getting started"), JavaScript (13 years), Jakarta EE/Tomcat (10 years), plus extensive experience with Git, TypeScript, React, Bootstrap, Tailwind, Jekyll, SQL, Node.js, Python, Linux, Bash, Ansible, Vagrant, Bitbucket Pipelines, Cloudflare (Workers/KV/Pages), and security (OWASP)
Primary Projects
Focused on BuildVu, with contributions to other products along the way. Also a main contributor to cloud services, websites, CRM systems, and internal tooling.
Expertise
BuildVu development and architecture. Leon's versatility allows him to wear many hats at IDRsolutions, from product management to full-stack development, cloud infrastructure, and security.
Beyond the Code
Motorsport (Formula 1, BTCC, etc.), puzzle and strategy games, Software Defined Radio (SDR), and starting (and not finishing) personal software projects


Sam
Developer & Font Specialist | Since 2009
Core Technologies
Java (since 2005), JavaScript, Ruby, PHP, HTML, Python, Lua
Primary Projects
BuildVu, JPedal
Expertise
Font rendering and conversion. Sam is our go-to specialist for the intricate world of font handling in PDFs, from TrueType and OpenType to the complex rendering requirements that ensure documents display correctly across all platforms.
Key Contributions
Redesigned the JPedal viewer along with PageFlow and page turning modes, significantly enhancing the user experience for document viewing.
Beyond the Code
Music enthusiast: plays piano, bass guitar, and trombone. Makes an excellent Espresso Martini!
Sutharman
Java Developer | Since 2012
Core Technologies
Java (16 years), Java EE, JavaScript, Node.js, C++, SQL, NoSQL, and graph databases
Primary Projects
JDeli, FormVu (mainly XFA), and speed improvements in JPedal rendering engine, especially shading and patterns
Expertise
JDeli imaging and forms. Sutharman specializes in optimizing the JPedal rendering engine, with particular focus on complex shading algorithms and pattern rendering that ensure accurate PDF display across diverse document types.
Key Contributions
Significant performance improvements in JPedal's rendering engine, particularly for shading and pattern rendering, which are among the most computationally intensive aspects of PDF display.


Amy
JDeli Product Lead | Since 2020
Core Technologies
Java (7 years), Web development (6 years), Cloud computing (4 years)
Primary Projects
JDeli, Support, JPedal & cloud
Expertise
Image code development. Amy leads JDeli product development and has deep expertise in image processing, cloud deployment, and customer support systems that ensure our solutions work seamlessly in modern cloud environments.
Beyond the Code
Gaming, Formula 1, and music
Jacob C.
JPedal Product Manager & Java Developer | Since 2022
Core Technologies
Java, Apex, Salesforce development
Primary Projects
PDF manipulator/editor, PDF inspector (debugger), JPedal Viewer, PDF marked/structured content extraction
Expertise
Anything related to PDF writing and creation. Jacob's deep knowledge of PDF internals makes him the go-to expert for PDF manipulation, editing, and the complex structured content extraction that powers document accessibility and automation.
Additional Roles
Jacob also develops and maintains our Salesforce backend and contributes to marketing initiatives, bringing technical expertise to customer relationship management.
Beyond the Code
1900-rated chess player, classical and metal guitar player, learning French


Daniel
FormVu Product Lead | Since 2018
Core Technologies
Java (6.5 years), HTML/CSS/JavaScript (8 years), Docker (4.5 years), PHP (5 years), SQL databases (8 years), NoSQL databases (3 years), PDF (6 years). Additional experience with DevOps tools such as Vagrant, Ansible, BitBucket Pipelines, but also analytics platforms like Google Analytics, Matomo, and Metabase
Primary Projects
FormVu, BuildVu, Open Source Microservices
Expertise
BuildVu and FormVu development, with particular strength in FormVu. Daniel's full-stack expertise spans from front-end form rendering to back-end processing and cloud deployment, making him instrumental in delivering complex PDF form solutions.
Beyond the Code
Daniel enjoys Gaming & Airsofting
Jacob L.
Java Developer | Since 2021
Core Technologies
Java (8 years), Python (8 years), PHP (6 years), JavaScript (6 years), C++ (6 years), HTML/CSS (8 years), Docker (4 years), PDF (2 years), SQL (8 years)
Primary Projects
FormVu, Core, Maven, Testing Suite
Expertise
Testing Suite, Maven, FormVu. Jacob brings a modern development approach with strong focus on testing infrastructure and build automation.
Key Contributions
Jacob set up the private Maven repository, modernised the Maven build scripts and is currently responsible for the framework of the entire test suite. He implemented the custom search text highlighting in BuildVu, and fixed the thin white lines issue. He’s filled many gaps in FormVu’s form field implementations, adapting the more complex PDF fields into equivalent custom HTML fields.
Beyond the Code
Airsoft, 3D printing, electronics and circuit board design with Arduino/ESP-32, climbing, hiking, and gaming
