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I am passionate about delivering efficient, robust, and intuitive code with a focus on readability and reusability. I integrate quickly into teams, fostering close working relationships with stakeholders and developers to encourage open idea exchange. My experience across Government, Startups, and established companies—in roles such as tutor, developer, and data engineer—has provided me with a broad repertoire of solutions for unique challenges and an appreciation for diverse stakeholder needs. By combining my ability to create creative yet intuitive frontend web apps with knowledge of how to extract quality insights from efficiently stored datapoints, I can personally develop or support specialised teams in the creation of robust and scalable full-service applications.…I am passionate about delivering efficient, robust, and intuitive code with a focus on readability and reusability. I integrate quickly into teams, fostering close working relationships with stakeholders and developers to encourage open idea exchange. My experience across Government, Startups, and established companies—in roles such as tutor, developer, and data engineer—has provided me with a broad repertoire of solutions for unique challenges and an appreciation for diverse stakeholder needs. By combining my ability to create creative yet intuitive frontend web apps with knowledge of how to extract quality insights from efficiently stored datapoints, I can personally develop or support specialised teams in the creation of robust and scalable full-service applications.

Stefen Lamothe

Full Stack Developer, Web Developer, Data Scientist, +1

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I am passionate about delivering efficient, robust, and intuitive code with a focus on readability and reusability. I integrate quickly into teams, fostering close working relationships with stakeholders and developers to encourage open idea exchange. My experience across Government, Startups, and established companies—in roles such as tutor, developer, and data engineer—has provided me with a broad repertoire of solutions for unique challenges and an appreciation for diverse stakeholder needs. By combining my ability to create creative yet intuitive frontend web apps with knowledge of how to extract quality insights from efficiently stored datapoints, I can personally develop or support specialised teams in the creation of robust and scalable full-service applications.…I am passionate about delivering efficient, robust, and intuitive code with a focus on readability and reusability. I integrate quickly into teams, fostering close working relationships with stakeholders and developers to encourage open idea exchange. My experience across Government, Startups, and established companies—in roles such as tutor, developer, and data engineer—has provided me with a broad repertoire of solutions for unique challenges and an appreciation for diverse stakeholder needs. By combining my ability to create creative yet intuitive frontend web apps with knowledge of how to extract quality insights from efficiently stored datapoints, I can personally develop or support specialised teams in the creation of robust and scalable full-service applications.

Available to hire

I am passionate about delivering efficient, robust, and intuitive code with a focus on readability and reusability. I integrate quickly into teams, fostering close working relationships with stakeholders and developers to encourage open idea exchange.

My experience across Government, Startups, and established companies—in roles such as tutor, developer, and data engineer—has provided me with a broad repertoire of solutions for unique challenges and an appreciation for diverse stakeholder needs. By combining my ability to create creative yet intuitive frontend web apps with knowledge of how to extract quality insights from efficiently stored datapoints, I can personally develop or support specialised teams in the creation of robust and scalable full-service applications.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Contract / Freelance Developer at Rumbelows Services

January 1, 2021 - Present

Provided bespoke programming services for clients on a per-contract basis, delivering robust software solutions and supporting project delivery across multiple engagements.

Consultant at MBDA

September 1, 2025 - Present

Developed and refined existing Python libraries; tested and audited data management infrastructure; developed a proprietary no-code data retrieval mechanism; engaged with multinational stakeholders; guided architectural migration of products from monolithic to macro-service; worked with high-volume simulation datasets.

Data Development Consultant at MOD

June 1, 2023 - Present

Designed and implemented a robust data ingestion framework using Azure Data Lake and Azure Data Warehouse to consolidate data from diverse sources, including REST APIs, on-premises databases, and third-party data feeds. Developed understanding of healthcare data formats (HL7, FHIR). Efficiently managed high volume data daily, automating data extraction processes; provisioned multi-tiered data storage architecture for real-time analytics; produced anonymization and pseudonymization solutions; created Django web application with custom UI components for no-code visualisation and creation of proprietary data pipelines; established best practices for workflow management and multi-language development; handled security, access, accountability controls; championed cloud-first development; implemented full unit, integration and regression test suites using PyTest.

Lead Developer at Whitespace

May 1, 2023 - September 30, 2024

Developed AI task specific workflow tools for technical and non-technical audiences; developed proprietary knowledge graph database system; created multi-LLM business focused tools using LangChain; created AI integration tools for in-field data analysis, leveraging Postgres, GCP Buckets and MongoDB; maintained and developed scalable microservice components on GCP with Kubernetes Engine and Pub/Sub; built robust CI/CD pipelines and implemented monitoring and logging solutions for real-time reliability.

Senior Developer at NCSC/Qinetiq

October 1, 2022 - March 31, 2023

Developed network threat analysis and prevention machine learning simulation software for real-time threat detection and mitigation; collaborated on multiplatform network monitoring scripts; built CI/CD pipelines in GitLab; conducted multi-environment emulation testing using Google Cloud Testing Tools; implemented automated testing frameworks and created a responsive Django UI hosted on Google App Engine; optimized a large codebase and collaborated with external developers and clients.

Senior Data Engineer at Office for National Statistics

June 1, 2021 - March 31, 2023

Designed next-gen data pipelines for public health monitoring using PySpark on Azure Databricks; led transitions of data pipelines between COVID-19 and public health surveys; generated synthetic data with obfuscation pipelines; liaised with statisticians and clients to ensure secure data collection and privacy compliance; built automated file ingestion modules in PySpark for billions of data points; created configurable ETL pipeline modules with custom functions and ML capabilities; oversaw Python code quality and documentation.

Frontend Developer at AI – Education/AI

March 1, 2021 - January 1, 2022

Created a scalable, high-performance Django web application hosted on Google App Engine; developed reusable containerised microservice components using Cloud Run and Cloud Functions; built reusable React components; created a secure API via Cloud Endpoints; managed cloud resources and ensured uptime with Google Cloud Monitoring.

Software Test Engineer at Adder Technology

March 1, 2021 - July 31, 2021

Evaluated software and hardware for potential faults and suggested corrections.

Full Stack Developer

October 1, 2018 - March 31, 2021

Developed various web applications using Django, FastAPI, React and associated libraries.

Technology Advisor at Havering Council

January 1, 2014 - October 2, 2018

Handled analogue to digital transition of school exclusions data; Created database software to store and query proprietary information; Advised on software procurement and adoption best practices.