Available to hire
I’m George Rosu, a senior software engineer with a track record delivering resilient fintech solutions in fast-paced environments. I specialize in real-time data pipelines, microservices, and scalable backend architectures, with hands-on experience in crypto, blockchain analytics, and risk reporting.
Based in London, I enjoy turning complex requirements into robust software that users rely on daily. I’m comfortable collaborating across cross-functional teams and guiding technical decisions to align with business goals while driving delivery.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Romanian, Moldavian, Moldovan
Fluent
French
Beginner
Work Experience
Senior Software Engineer (Freelance) at Freelance
November 1, 2022 - PresentContributed to the implementation of risk and reporting frameworks, including a lightweight back-testing system, to support financial systems and emerging digital asset classes. Built an interactive, real-time web application for blockchain analytics and cryptocurrency portfolio management, featuring live transaction tracking, valuation, and performance insights. Developed and enhanced scalable backend solutions within microservices architectures, focusing on performance, resilience, and integration with real-time data pipelines.
Senior Software Engineer at YouView Ltd
November 1, 2022 - October 10, 2025Advised on and supported re-engineering of critical testing infrastructure for multi-platform firmware releases used by millions of users. Provided strategic guidance to leadership on process optimization, technology selection, and industry best practices. Supported essential objectives during a critical phase of development to ensure timely delivery and quality.
Software Engineer at JPMorgan Chase & Co.
February 1, 2022 - October 10, 2025Developed a resilient and highly available reporting tool for a risk monitoring service, delivering real-time insights into market exposures, regulatory limits, and compliance irregularities. Implemented custom risk metric computation, automated report generation, RBAC, and a scalable architecture for handling high-frequency data. Collaborated with cross-functional teams and presented key data and insights to senior stakeholders.
Senior Software Engineer at Freelance
November 1, 2021 - October 10, 2025Provided consulting and software engineering services to clients with a focus on results. Contributed to backend solutions deployed within a microservices architecture and highly resilient systems. Designed front-end solutions using JavaScript, React, Bootstrap, HTML and CSS. Integrated database systems to support financial time series data and meet system specifications. Automated the environment build process and deployed CI/CD pipelines; participated in architecture decisions.
Development Engineer at Caterpillar Inc.
March 1, 2019 - October 10, 2025Supported R&D operations across two major UK initiatives, focusing on tool development, process optimization, and data-driven engineering workflows. Supported development methodology, infrastructure, and testing standards, while building and validating empirical models to support engineering decisions. Performed advanced time-series analysis and developed data visualizations, including web services and dashboards, to communicate complex insights to stakeholders and senior leadership.
Software Engineer at CEVT AB (client: Volvo Cars, Geely Group)
November 1, 2016 - October 10, 2025Assisted in the successful delivery of the initial 'Minimum Viable Product' of a virtual vehicle simulation platform while adhering to a tight deadline. Facilitated the flow of information across the organization and external providers, offering counsel to upper management. Compiled and maintained the existing model library, as well as constructing the essential infrastructure for validation and evaluation. Transferred crucial scripts and optimization procedures from MATLAB language to open-source Python.
Development Engineer at AVL UK (client: Ford MC)
June 1, 2016 - October 10, 2025Developed and maintained a proprietary virtual vehicle simulation platform with the purpose of enabling future product development. Provided emission and performance projections to evaluate current and future powertrains in the context of a changing global regulatory framework. Attended cross-functional meetings and effectively communicated sensitive data to senior stakeholders.
Development Engineer at ALTEN (client: Renault SA)
January 1, 2015 - October 10, 2025Assisted with R&D activities of a major vehicle manufacturer to optimize engine combustion and after-treatment system performance. Facilitated the creation of a customized real-time operating system (RTOS) for engine and after-treatment management in the context of changing emission frameworks. Conducted controlled experiments and analyzed intricate data to accurately characterize vehicle-related phenomena.
Intern at Porsche Inter Auto
August 1, 2012 - October 10, 2025Internship providing initial exposure to automotive software development practices; engaged in data analysis, tooling, and engineering workflows.
Senior Software Engineer at Freelance
November 1, 2022 - PresentContributed to the implementation of risk and reporting frameworks, including a lightweight back-testing system, to support financial systems and emerging digital asset classes. Built an interactive, real-time web application for blockchain analytics and cryptocurrency portfolio management with live transaction tracking, valuation, and performance insights. Developed scalable backend solutions within microservices architectures, focusing on performance, resilience, and integration with real-time data pipelines.
Senior Software Engineer at YouView Ltd
November 1, 2022 - October 10, 2025Advised on and supported re-engineering of critical testing infrastructure for multi-platform firmware releases used by millions of users. Provided strategic guidance to leadership on process optimization, technology selection, and industry best practices. Supported business objectives during a critical development phase.
Software Engineer at JPMorgan Chase & Co.
February 1, 2022 - October 10, 2025Developed a resilient, highly available reporting tool for a risk monitoring service, delivering real-time insights into market exposures, regulatory limits, and compliance irregularities. Implemented custom risk metrics, automated report generation, role-based access control, and a scalable architecture for high-frequency data. Collaborated with cross-functional teams and presented data to senior stakeholders.
Senior Software Engineer at Freelance
November 1, 2021 - October 10, 2025Provided consulting and software engineering services to clients in a microservices architecture, building backend solutions, front-end solutions with JavaScript/React, and database integrations for financial time series data. Automated environment builds and participated in architecture decisions, deploying CI/CD pipelines.
Development Engineer at Caterpillar Inc.
March 1, 2019 - October 10, 2025Supported R&D operations across UK initiatives focusing on tool development, process optimization, and data-driven engineering workflows. Contributed to development methodology, infrastructure, and testing standards; built and validated empirical models; performed advanced time-series analysis and created visualizations and dashboards for stakeholders.
Software Engineer at CEVT AB (client: Volvo Cars, Geely Group)
November 1, 2016 - October 10, 2025Delivered the initial Minimum Viable Product of a virtual vehicle simulation platform, maintained model library infrastructure, and migrated scripts from MATLAB to Python for validation and evaluation.
Development Engineer at AVL UK (client: Ford MC)
June 1, 2016 - October 10, 2025Developed and maintained a proprietary virtual vehicle simulation platform to support future product development; provided emissions and performance projections within regulatory frameworks; communicated results to senior stakeholders.
Development Engineer at ALTEN (client: Renault SA)
January 1, 2015 - October 10, 2025Supported R&D activities to optimize engine combustion and after-treatment system performance; contributed to RTOS development for engine/after-treatment management; conducted experiments and data analysis.
Intern at Porsche Inter Auto
August 1, 2012 - October 10, 2025Introductory work experience during 3rd/4th year.
Education
Advanced Control Systems and Technologies in the Automotive Sector at Polytechnic University of Bucharest
October 1, 2013 - January 1, 2015BEng Automotive Engineering at Polytechnic University of Bucharest
September 1, 2009 - June 1, 2013Advanced Control Systems and Technologies in the Automotive Sector at Polytechnic University of Bucharest
October 1, 2013 - January 1, 2015BEng Automotive Engineering at Polytechnic University of Bucharest
September 1, 2009 - June 1, 2013Qualifications
Industry Experience
Software & Internet, Financial Services, Professional Services, Manufacturing, Transportation & Logistics, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Hire a Blockchain Developer
We have the best blockchain developer experts on Twine. Hire a blockchain developer in London today.