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I'm a full stack developer with 49 years of programming experience, spanning 68k assembler, C++, and modern serverless architectures. I build complete systems — frontends, backends, APIs, data pipelines, and infrastructure. I have 8 years of hands-on AWS experience across Lambda, Step Functions, S3, Redshift, Kafka, SQS, SNS, and more. I’m the author of marspy, a 30-module async Python framework for data pipelines, and I’ve contributed to the Mac ecosystem with security and integration work. I love turning ambitious ideas into robust, scalable products and mentoring teams to adopt clean, maintainable architectures. My career spans startups and large teams where I delivered end-to-end solutions, from data platforms to dynamic frontends. I enjoy tackling complex problems, optimizing pipelines, and building cross-cloud tooling to keep code portable and resilient across environments.…I'm a full stack developer with 49 years of programming experience, spanning 68k assembler, C++, and modern serverless architectures. I build complete systems — frontends, backends, APIs, data pipelines, and infrastructure. I have 8 years of hands-on AWS experience across Lambda, Step Functions, S3, Redshift, Kafka, SQS, SNS, and more. I’m the author of marspy, a 30-module async Python framework for data pipelines, and I’ve contributed to the Mac ecosystem with security and integration work. I love turning ambitious ideas into robust, scalable products and mentoring teams to adopt clean, maintainable architectures. My career spans startups and large teams where I delivered end-to-end solutions, from data platforms to dynamic frontends. I enjoy tackling complex problems, optimizing pipelines, and building cross-cloud tooling to keep code portable and resilient across environments.

Martijn Scheffer

Full Stack Developer, Web Developer, Back-End Developer, +3

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I'm a full stack developer with 49 years of programming experience, spanning 68k assembler, C++, and modern serverless architectures. I build complete systems — frontends, backends, APIs, data pipelines, and infrastructure. I have 8 years of hands-on AWS experience across Lambda, Step Functions, S3, Redshift, Kafka, SQS, SNS, and more. I’m the author of marspy, a 30-module async Python framework for data pipelines, and I’ve contributed to the Mac ecosystem with security and integration work. I love turning ambitious ideas into robust, scalable products and mentoring teams to adopt clean, maintainable architectures. My career spans startups and large teams where I delivered end-to-end solutions, from data platforms to dynamic frontends. I enjoy tackling complex problems, optimizing pipelines, and building cross-cloud tooling to keep code portable and resilient across environments.…I'm a full stack developer with 49 years of programming experience, spanning 68k assembler, C++, and modern serverless architectures. I build complete systems — frontends, backends, APIs, data pipelines, and infrastructure. I have 8 years of hands-on AWS experience across Lambda, Step Functions, S3, Redshift, Kafka, SQS, SNS, and more. I’m the author of marspy, a 30-module async Python framework for data pipelines, and I’ve contributed to the Mac ecosystem with security and integration work. I love turning ambitious ideas into robust, scalable products and mentoring teams to adopt clean, maintainable architectures. My career spans startups and large teams where I delivered end-to-end solutions, from data platforms to dynamic frontends. I enjoy tackling complex problems, optimizing pipelines, and building cross-cloud tooling to keep code portable and resilient across environments.

Available to hire

I’m a full stack developer with 49 years of programming experience, spanning 68k assembler, C++, and modern serverless architectures. I build complete systems — frontends, backends, APIs, data pipelines, and infrastructure. I have 8 years of hands-on AWS experience across Lambda, Step Functions, S3, Redshift, Kafka, SQS, SNS, and more. I’m the author of marspy, a 30-module async Python framework for data pipelines, and I’ve contributed to the Mac ecosystem with security and integration work. I love turning ambitious ideas into robust, scalable products and mentoring teams to adopt clean, maintainable architectures.

My career spans startups and large teams where I delivered end-to-end solutions, from data platforms to dynamic frontends. I enjoy tackling complex problems, optimizing pipelines, and building cross-cloud tooling to keep code portable and resilient across environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

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Expert

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Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

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Expert

Intermediate

Language

English

Fluent

French

Advanced

Dutch

Advanced

Italian

Intermediate

Work Experience

Software Engineer at SWIFT

August 1, 2024 - Present

Analysis of a C project; created two Proof of Concepts proposing replacement of legacy code using either 3000 lines of Node.js or 15000 lines of C implementing an ETL described in JSON.

Independent Project Lead at Drone Project

January 1, 2023 - December 31, 2023

Drone project using OpenCV and ArduPilot with object recognition.

Founder / Lead Developer at AM Development

January 1, 2016 - January 1, 2018

Founded and developed an innovative parking-space rental app; built a custom front-end framework inspired by modern JS stacks.

iOS Email Client Developer at Lukas Labs

January 1, 2014 - January 1, 2016

Created a groundbreaking iOS email client with a distinctive UI.

Contributor / Backend & Frontend Developer at Emakina

January 1, 2012 - January 1, 2014

Contributed to iOS/Android apps, web applications, PHP/Symfony and Node.js backends; produced Canvas-based games for ING, Philip Morris, Samsung, D’Ieteren.

Developer at Samsung, D’Ieteren

January 1, 2010 - January 1, 2014

Collaborated on a range of projects including iOS/Android apps and musicology-related research contexts.

Developer at BE Inc

January 1, 1992 - Present

Joined BE Inc to contribute to the BE OS ecosystem; worked on core components and tooling.

Apple Software Engineer at Apple Computer

January 1, 1991 - December 31, 1991

Integrated Drag and Drop with Mac OS 7; contributed to Macintosh Drag and Drop and Easy Open managers.

Highware Developer at Highware

January 1, 1989 - January 1, 2002

Developed FileGuard and DiskGuard; used by NASA, Boeing, Apple and universities; over a million copies sold.

Gruno et Chardin – Independent Project at Gruno et Chardin

January 1, 1985 - December 31, 1985

Applied computer vision to leather design; explored digital construction concepts.

Founder & Developer at AM Development

March 1, 2025 - Present

Building MyMap, a map application that recommends areas by theme (food, hiking, cycling, art) using a custom heatmap layer. Initially deployed on AWS with Lambda, S3, CloudFront, Route 53; later migrated to Cloudflare Workers, D1, and R2. Developed the full frontend in Vue.js with Vite, featuring a custom WebGL heatmap renderer with GLSL shaders. Implemented queue-based tile generation pipelines and real-time cross-device synchronization. Built a cross-cloud abstraction layer to run the same code on AWS and Cloudflare. Created a vector tile pipeline using PMTiles with quadtree-based aggregation for scalable heatmap data.

Software Analyst at SWIFT

August 1, 2024 - March 1, 2025

Analyzed a legacy C project (25 years, ~90,000 lines) and delivered two PoCs demonstrating replacement options: ~3,000 lines of Node.js or ~10,000 lines of C implementing a custom ETL.

MyMap Prototype at Personal Project

April 1, 2023 - July 1, 2024

Early prototype of MyMap, a map application built on OpenStreetMap with a vector tile server backed by PostgreSQL and PostGIS. Frontend in Vue.js and Leaflet; backend uses AWS Amplify, Lambda Functions, Node.js, and MongoDB.

Big Data Developer at RTBF

January 1, 2018 - March 1, 2023

First programmer of the Big Data team at Belgium’s national French-language broadcaster RTBF. Built data collection and analytics infrastructure; implemented a user behavior tracker; designed a data pipeline: WebSocket ingestion → Kafka → S3 → Redshift; developed 100+ Node.js microservices for data collection from Gigya, SMS platforms, advertising systems, and newsletters; created a custom ETL language with 100+ plugins; built a recommendation engine; created a company-wide Vue.js dashboard and an Angular dashboard; authored marspy, a 30-module Python framework for unified data interfaces.

Founder & Developer at AM Development

January 1, 2016 - December 31, 2018

Built a Cordova/Node.js app enabling users to rent parking spaces in front of their garage. Developed a custom front-end framework (predating Vue.js adoption).

iOS Developer at Lukas Labs (San Francisco)

January 1, 2014 - December 31, 2016

Created an iOS email client with a groundbreaking UI, written in Objective C.

Full Stack Developer at Emakina

January 1, 2012 - December 31, 2014

Delivered iOS apps, Android apps, and web applications (Angular, PHP/Symphony, Node.js, HTML Canvas games) for clients including ING, Philip Morris, Samsung, and D’Ieteren.

Founder & Developer at Highware

January 1, 1989 - December 31, 2002

Created FileGuard and DiskGuard, award-winning Mac security utilities. Apple France’s “Trophée Apple” winner. Used by NASA, Boeing, Apple, Swift, and major universities. Over a million copies sold worldwide.

System Software Engineer at Apple Computer

January 1, 1991 - Present

Integrated Drag and Drop into Mac OS 7. Created the Macintosh Drag and Drop and Easy Open managers.