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Thomas Fitzsimmons Email & Phone Number
CTO (fractional)
at
Laami
LinkedIn matched
✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
Role
CTO (fractional)
Location
Manchester, England, United Kingdom
Company size
Who is Thomas Fitzsimmons? Overview
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Quick answer
Thomas Fitzsimmons is listed as CTO (fractional) at Laami, a company with 2 employees, based in Manchester, England, United Kingdom. AeroLeads shows a matched LinkedIn profile for Thomas Fitzsimmons.
Thomas Fitzsimmons previously worked as Founder and CTO at Calibrtr and Director, Software Engineering at Indeed.Com. Thomas Fitzsimmons holds Bachelor Of Engineering (Beng), Software Engineering, 1St Class With Honours from Umist.
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Laami
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Profile bio
About Thomas Fitzsimmons
Engineering Director with experience in building, coaching and scaling high-performing engineering teams, creating consumer products with millions of weekly users and AI/ML/LLMs. Proven ability to lead engineering efforts in startup-like and enterprise environments, driving technical discussions, hands-on coding, and strategic planning. Passionate about building collaborative, people-first environments. Expertise in navigating complex technical and stakeholder challenges.+) Led Indeed wide strategic global salary transparency initiative, increasing jobs with pay information by 15% at Indeed, directly contributing to increased job applications and revenue.+) Grew Indeed Salary pages, a web and mobile experience from 3 million to 8 million visitors per month.+) Built a scalable data capture system for 15k+ education providers and grew education search on indeed from 0 to 400k per month.+) Grew an engineering team from 10 to 40 engineers, including growing 1 manager and hiring 4 others.+) Successfully coached 14 team members through promotions, growing one manager.
Current workplace
Thomas Fitzsimmons's current company
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9 roles
Thomas Fitzsimmons work experience
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Founder And Cto
CurrentCreated an LLMOps Tool for AI Cost Optimization: Founded and developed Calibrtr, a DevOps tool specifically designed to help companies identify, track, and minimize AI-related costs. Developed tools: eg cost estimator for AI observability (https://calibrtr.com/tools/cost-estimator), learning visual design theory in the process.Tech Stack: React.
Jun 2023 - Present
Director, Software Engineering
Strategic salary transparency initiative: Led a critical cross-functional project to increase job postings with salary information by 15%, collaborating with a Product Director based in San Fransisco. This initiative was key to Indeed’s strategy, as enhanced salary transparency directly correlated with increased job applications, driving higher revenue..
Dec 2021 - Jun 2023
Senior Software Engineering Manager
Led development of Search System for Mid-Career Education: Led the design and development of a search system capable of dynamically ranking and filtering courses based on certification-specific criteria and user-provided review scores. The system extracted valuable information from mid-career education provider websites, enabling Indeed to offer education.
Apr 2020 - Dec 2021
Engineering Manager
Directed efforts to improve salary estimation models, reducing operational costs and model errors.Led a Senior Development Engineer in Test to implement push-on-green deployments with canary tests and slow rollouts.Tech Stack: Java, React, Typescript, Next.JS, Python, AWS
Feb 2019 - Apr 2020
Director - Senior Individual Contributor - Quant Analaysis
Integrated and optimized complex financial models into production environments.Tech Stack: F#(.net), C++, Java, WPF, COM
Sep 2016 - Jan 2019
Director - Engineering Manager - Trading Tools
Managed global Quant Strats - Pricing Tools Team, with 15 individual contributors, responsible for developing and supporting a cross-asset trade pricing application used by over 800 users worldwide.Tech Stack: F#(.net), C++, Java, WPF, COM
Oct 2008 - Sep 2016
Senior Interest Rates & Hybrids C++/Java Developer
Integrated Quantative models into risk and pricing system (C++). Developed the next generation interest rate and hybrid structuring tool whilst working on the legacy system (Java).
Sep 2005 - Sep 2008
Paid Intern - Interest Rates It - Java Developer
Wrote a overnight risk system batch scheduler, scheduling several thousand batch jobs per night. Improved the efficiency of the overnight processing by 20%, whilst also reducing maintenance costs.
Jun 2003 - Jun 2004
1 education record
Thomas Fitzsimmons education
FAQ
Frequently asked questions about Thomas Fitzsimmons
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What company does Thomas Fitzsimmons work for?
Thomas Fitzsimmons works for Laami.
What is Thomas Fitzsimmons's role at Laami?
Thomas Fitzsimmons is listed as CTO (fractional) at Laami.
Where is Thomas Fitzsimmons based?
Thomas Fitzsimmons is based in Manchester, England, United Kingdom while working with Laami.
What companies has Thomas Fitzsimmons worked for?
Thomas Fitzsimmons has worked for Laami, Calibrtr, Indeed.Com, Credit Suisse, and Lehman Brothers.
How can I contact Thomas Fitzsimmons?
You can use AeroLeads to view verified contact signals for Thomas Fitzsimmons at Laami, including work email, phone, and LinkedIn data when available.
What schools did Thomas Fitzsimmons attend?
Thomas Fitzsimmons holds Bachelor Of Engineering (Beng), Software Engineering, 1St Class With Honours from Umist.
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