Paul Vernin

Software Engineer

Salary / Daily rate

Dublin, Ireland

Freelance

Remote only

Skills

LLMs / Large language modelsMicroservicesReactTypescriptPHPJavaSQL QueriesGolangSymfonyKafkaOVHcloudKubernetesDockerApache SparkHadoopPostgreSQLAgile CoachingScrum

Languages

French (Native)English (Fluent)

About me

Intro

Software Engineer at HubSpot with expertise in building AI-powered products and full-stack development. Successfully increased sales workspace adoption by 19% and built end-to-end AI features using LLMs, React, TypeScript, and GraphQL. Specialized in creating scalable microservices with Kafka and cloud infrastructure, delivering data-driven solutions that enhance customer success and drive measurable business impact.

Links

Work experience

Software Engineer II, Payments

Etsy

Jul 2026 - Present

4 months

Remote

Backend Software Engineer | Customer Success

HubSpot

Nov 2024 - Jul 2026

1 year 9 months

Dublin, Ireland

• Owned the Feedback Topic product end-to-end to extract and unify feedback from emails, surveys, tickets and calls using LLM classification, enabling faster issue detection and improvement opportunities. • Built an autonomous AI agent that periodically reclassifies feedback topics and runs health checks, establishing a practical evaluation loop to track and improve classification accuracy over time. • Leveraged Claude Code agentic workflows to design, develop and ship scalable services with Kafka, Hadoop, SQS, S3 — improving Customer Success product reliability through iterative continuous delivery.

Frontend Software Engineering Co-op | Flywheel Prospecting

HubSpot

Feb 2024 - Jun 2024

5 months

Paris, France

• Built an AI-native call insights feature end-to-end: extracts key moments, summaries and tags from sales conversations using TypeScript, React, Apollo, GraphQL, and React Query. • Drove HubSpot sales reps adoption of prospecting and deal management workspaces from 54% to 73% by iterating on user-facing features informed by product metrics and user feedback.

Software Engineer Intern

IDAKTO

May 2023 - Aug 2023

4 months

Angers, France

iDAKTO is a FrenchTech startup specializing in digital identity. I joined the R&D team to work on their PaaS (Platform as a Service) that is being used for mobile application like "France identité" or "Mon e-ID". Main tasks: • Conducted integration tests for Idakto's digital authentication platform using Go and Ginkgo test framework. • Automated these tests through GitLab CI pipelines for different configurations (France, Maroc, Egypt). • Working with a complex Kubernetes environment geared towards supporting millions of users via government identity applications like "France identité" or "Mon e-ID" (Marocco).

CIO & Solution Engineer

Nsigma Junior-EntrepriseFreelance

Nov 2021 - Mar 2023

1 year 5 months

681 Rue de la Passerelle, 38402 Saint-Martin-d'Hères

As a CIO, I maintained Nsigma services such as the website (nsigma.fr), the self-hosted GitLab, docker runners, gitlab pages, discord bot, nginx reverse proxy and applications we use like Slack, Google suite / workspace or OVHCloud. As a Solution Engineer, I estimated 10 projects in different fields of computer science, increasing sales by +43,6k€

Software Engineering Intern

HABITAT 44

Apr 2021 - Jul 2021

4 months

3 Bd Alexandre Millerand, 44200 Nantes

As a FullStack SWE Intern, I developed a single-page web application to manage employees' absences. I used Symfony 4 to build the backend and ReactJS for the frontend part. I had to set up API routes using API Platform framework, unit test with PHPUnit and SQL scripts. Worked with a small team of 6 developers using agile (scrum) methodology which allows the Team to advise me and give me feedback to better restructure and refine my code.


Education

National School of Computer Science and Applied Mathematics of Grenoble

Diplôme d'ingénieur, Mathématiques et informatique

2021 - 2024

2 years 11 months

IUT de Nantes

Diplôme universitaire de technologie (DUT), Informatique

2019 - 2021

1 year 11 months

Lycée Saint-Benoît Angers

High School Diploma

2015 - 2019

3 years 11 months

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