Carl Fahlstrom
Senior Software Engineer at Certify
Belgrade, Montana, United States
Summary
👤
Senior🎓
Top SchoolCarl Fahlstrom is a senior software engineer with 22 years of experience building cross-platform customer-facing applications, data pipelines, and backend services across startups and enterprise environments. Currently leading Provider Data Management at Certify, he architects APIs and data schemas (Quarkus/Java, Nest/Typescript) and optimizes analytics on Google Spanner and BigQuery with materialized views and cost-conscious queries. Previously at Whym he combined React/React Native front ends with GraphQL backends and Python data tooling to integrate e-commerce platforms like Shopify and BigCommerce, driving product engagement through data. His background spans full-stack web, cloud-native serverless, DevOps toolchains, and scientific computing—refactoring legacy Fortran in the NWChem HPC chemistry codebase hints at a rare blend of domain science and production engineering. Based in Belgrade, Montana, he pairs rigorous technical depth with a practical focus on shipping reliable, observable systems.
22 years of coding experience
20 years of employment as a software developer
PhD Physical Chemistry, PhD Physical Chemistry at Montana State University-BozemanBachelor of Science (BS) Chemistry, Bachelor of Science (BS) Chemistry at Eastern Oregon University
English
Github Skills (6)
fortran10
cluster-computing10
computational-chemistry10
scientific-computing10
parallel-computing9
numerical-methods9
Programming languages (2)
Github contributions (5)
nwchemgit/nwchem
Oct 2003 - Oct 2003
NWChem: Open Source High-Performance Computational Chemistry
Role in this project:
Back-end Developer
Back-end DeveloperContributions:30 commits in 1 day
Contributions summary:Carl's commits primarily involve the refactoring and conversion of Fortran files (.f to .F) within the NWChem computational chemistry software. This suggests a focus on updating the codebase for modern Fortran standards or compatibility. They are also updating error handling routines. The changes touch various parts of the code base, including BLAS and specific integration functions.
chemistryelectronic-structure-calculationsfenicshartree-fockcomputational-science
carlfahl/loanApp
Oct 2016 - Jun 2022
Contributions:14 pushes, 1 branch in 5 years 9 months
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