Highly experienced Engineer. I build high rated, top ranking and award winning apps.
With almost two decades of experience in the mobile technology sector, I offer mobile leadership and architectural expertise, specialising in guiding multi-disciplinary teams to create cutting-edge user experiences through strategic planning and hands on leadership.
My focus is on optimising team performance and cultivating strong relationships with stakeholders, I am committed to delivering highly efficient and effective results in the mobile tech industry.
Core Skills
Leadership
Mobile Team Leadership, Stakeholder Management, Agile/Kanban Transformation, Remote Team Management, Technical Mentoring, Cross-functional Collaboration
Architecture
iOS/macOS Architecture, MVVM, VIPER, Swift Package Manager, Modular Design, API Integration, CI/CD Pipeline Optimisation
Technical
Swift, SwiftUI, UIKit, Objective-C, Combine, Core Audio, NFC/HCE, C++, Unix, HTML5, Python, Vapor
AI-Augmented Engineering
Codex, ClaudeCode, CoPilot
Tools
Xcode, Fastlane, GitHub Actions, Bitrise, Git, Jira
Consultancy
I specialise in rescuing stalled projects, implementing architecture that scales, and getting mobile teams shipping reliably.
Swift
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Object C
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Kotlin
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Unix
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C++
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C
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Java
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SQL
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HTML5
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Python
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Postgres
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Swift | Object C | Kotlin | Unix | C++ | C | Java | SQL | HTML5 | Python | Postgres |
Experience
CEO + Contracting Services
EPIC APPS | 2015-2026
Designed, architected, developed and launched three top-ranking apps, including an app that, until today, is still the #1 ranking digital scuba dive log in the English speaking world.
Led end-to-end project development for high-quality apps, all with 4.5+ star ratings.
Expertise in app design, development, and quality assurance demonstrated through successful full lifecycle App Store projects.
Provided mobile consultancy services to multiple companies of diverse backgrounds:
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‣ Rearchitected MacOS project Core Audio project, updating the codebase for support using the latest swift 6 language models.
‣ Integrated state of the art a.i. noise processing models to the Mac app to allow removing background noise in conference calls with spectacular results.
‣ Significantly increased unit test coverage from 0% to 80% of project code.
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‣ Developed and maintained award-winning white-label product with a user base of over 1M users.
‣ Solely coded and delivered the Quartet app, reaching #1 in Music across 51 countries on the App Store since it’s launch.
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‣ Key player in revitalising startup to award-winning, $9M VC-backed company partnering with England Athletics.
‣ Led the development of innovative wearable technology at the forefront of IoT technology, helping expand product presence to USA and UK with high quality reviews in top publications.
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‣ Delivered product that generated over £5M in revenue.
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In Gaming, Transport, Wearables, FinTech, CMS, Music, Startup and DevHouse industries.
Staff iOS Engineer
EPI Company | 2025
Spearheading development of HCE-based contactless NFC transactions for apps in the European Economic Area (EEA), providing new payment options for 10M+ users across Europe.
Proposed new architectural approach that simplified mental model for the team allowing them to iterate through features twice as fast.
Introduced the team to Snapshot testings, significantly increasing test coverage for the UI of our product from 0% to 70% and counting.
Proposed integration of Claude Code into iOS pipeline to improve team productivity, observing gains of 5x for Senior engineers.
Head of Mobile
MELD | 2023-2024
Successfully re-architected and launched a mobile app that had spent 2 years in development limbo into a successful, well received product within 1 year, achieving a rating of 4.9/5.0 stars at launch.
Enhanced management processes and streamlined delivery approach using Continuous Development best practices for a fully remote team, reducing their release timeline from multiple years to one.
Produced architectural and detailed documentation for a complex financial product in the crypto space, improving new team member experience and internal team communications.
Implemented efficiency improvements using Shift-Left strategies and increased code scalability modularity using Swift Package Manager, achieving ~90% unit + UI test coverage, increasing release confidence and enabling quick turnover.
Maintained highest team productivity standards, setting the bar for other teams to emulate.
Senior Manager / Lead Engineer
New Day | 2022-2023
Led Mobile Payments team in enhancing payment features for online and card payments, eliminating a plethora of existing bugs created from architectural over-engineering by simplifying the approach, improving the payment experience for over 10M users.
Boosted Agile team productivity from 5 to 50 points per sprint while streamlining team from six to three developers.
Assisted ex-FAANG employees, including people coming over from Meta/Facebook and Google to improve productivity using a goal driven mentality focused on quantitative and qualitative metrics.
Increased model level test coverage from 30% to 100% and introduced snapshot testing to achieve ~90% for both model and UI.
Negotiated improvements to Microsoft Azure CI/CD pipeline, helping reduce build times from 2 hours to 20 min/build.
Upgraded module accessibility ratings to AA+, increasing app adoption.
2019 - Present
Associate
Invited to join Equal Experts associate network.
2016 - 2017
Consultancy
Personally invited by Apple to attend WWDC16 and iOS Tech Talks in London.
Additional Experience
Locassa, Lead iOS Developer — 2012-2015
Afrozaar, iOS Developer — 2010-2012
Morphosis, Architectural Intern — 2008-2009
Pontificia Universidad Católica, Teaching Assistant — 2004-2008
Recommendations
“Danny has consistently demonstrated a remarkable level of ownership and accountability, tackling complex challenges with confidence and ensuring every project reaches its fullest potential.
He is not only technically skilled but also deeply invested in the growth and success of the team, providing support across multiple layers, from strategic direction to hands-on problem-solving.”
-- Pepe Blasco - CTO, Meld
“Danny is a meticulous and experienced developer. His inclusion to the team had been a crucial aspect to deliver the project on time.
Danny is a natural leader, and his interaction with the creative team had helped to improve the experience and fixed several issues. He could be an excellent addition to a team of any size as a leader or manager.”
-- Carlos Montoya - Design Director, Nurvv
“Danny is one the best developers I worked with. I'm not just referring to his iOS skills and extensive knowledge, but also to his leadership. We worked on a critical project for a client together. We had a very tight deadline and Danny did a great job in mentoring the team and prioritising work so we could deliver on time. Danny was also very communicative.
More, when things are getting tense, he always has a good / funny story to cheer people up! He is simply someone you can rely on.”
-- Claire Nouira - Project, Portfolio & Ops Leader, Ipagoo
“We had the privilege of having Danny leading one of our mobile teams at NewDay. I was impressed by his knowledge of iOS development, architectural patterns and mobile UX.
Danny makes sure that everyone is on the same page and focused on the same goal. During his tenure in the company, he led several engineering initiatives which contributed to improve our processes and ways of working. It was a pleasure to work with Danny.
Any organisation would be lucky to have him.”
-- Olivia Rigault - Software Engineering Manager, New Day
“Danny is a great leader, he is very good at keeping strategic relationships to move the built of products forward in the best way. He is also a great coach, making sure his teams are high performers, and his engineers develop as well. It was a pleasure working with him, and would love to do it again.”
-- Camila Heitz - Product Director, NewDay
“I really enjoyed working with Danny. He's a great iOS developer with a good understanding of how to implement creative and understands the importance of design in making a truly great app.
Danny loves a challenge and was never thrown by requests to push the project into areas that needed lots of R&D and technical refinement. l’d recommend Danny to anyone looking for a skilled, dedicated and hard working iOS dev.”
-- Richie Wykes - UX & UI Design Director, SilverRail
+ 40 more recommendations on LinkedIn
Education
Professional Certificate in Computer Science for Ai
Harvard University, USA (2025)
C | Python | HTML | CSS | Flask | SQL
Masters degree in Architecture
Pontificia Universidad Católica, Chile (2011)
Graduated with 2 honorary votes of distinction
Interests
Scuba Diving - Travel - Drone Photography - Financial Markets
Contact Me
