
Antoine LE SOMMER
Solutions Engineer | Technical Account Manager
Salary / Daily rate
77600 Chanteloup-en-Brie, France
Mobility: France, Spain, ...
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
Solutions Engineer and API Integration Expert with 3+ years of experience at the core of the Fintech and SaaS API ecosystem. My day-to-day : • Translating complex business requirements into robust technical architectures • Securing the onboarding of Tier-1 B2B enterprise clients • Driving high-level Quality of Service Following an enriching operational chapter on the field dedicated to managing high-stakes projects and mission-critical risks, I am returning to my core tech expertise to tackle
Work experience
Special Effects Technician/Pyrotechnician
Disneyland Paris
May 2025 - Present
1 year 6 months
77700 Chessy, France
ℹ️ Focusing on technical programming, automated systems, and operational risk management under strict zero-error constraints. 🎯 Key Responsibilities & Achievements: • Programming and triggering complex automated show systems using DMX protocols. • Steering live technical operations under highly demanding regulatory and safety frameworks. • Real-time cross-functional coordination with multiple engineering and production crews (stage, sound, lighting) during operational incidents or crises. • Drafting precise technical intervention reports when required.
Pyrotechnician crew chief
AS Production
Dec 2019 - Present
6 years 11 months
60300 Senlis, France
ℹ️ Focusing on technical programming, automated systems, and operational risk management under strict zero-error constraints. 🎯 Key Responsibilities & Achievements: • Programming and triggering complex automated show systems using DMX protocols. • Steering live technical operations under highly demanding regulatory and safety frameworks. • Real-time cross-functional coordination with multiple engineering and production crews (stage, sound, lighting) during operational incidents or crises. • Drafting precise technical intervention reports when required.
Solution Engineer
Chift APIFreelance
Sep 2024 - Apr 2025
8 months
Remote
ℹ️ SaaS Solutions Engineer driving technical scoping and implementation for B2B enterprise accounts and strategic partners. 🎯 Key Responsibilities & Achievements: • B2B Partner Onboarding: Leading technical scoping and following up with partners for frictionless API solution deployments. • Troubleshooting & Diagnostics: Payload analysis, isolating and resolving complex Tier 2/3 technical incidents. • Cross-Functional Coordination: Serving as the direct technical liaison between internal product squads, clients, and partners. • Processes & Structural Upgrades: Authoring technical integration guides, standard operating procedures, and operational performance reports for the Executive Committee (COMEX). 🛠️ Tech Stack: REST API, cURL, Postman, Bruno, Webhooks, SQL.
Bridge
Mar 2021 - Jul 2024
3 years 5 months
Paris, France
Integration Specialist
Jun 2023 - Jul 2024
1 year 2 months
Paris, France
ℹ️ High-level technical execution, architectural diagnostics, and customer deployment steering. 🎯 Key Responsibilities & Achievements: • Management & Care: Operational leadership for 2 direct reports (workload planning, priority management, and technical upskilling). • API Expertise & Onboarding: Guiding complex technical integrations and managing API version migrations for B2B enterprise clients. • Monitoring & Data: Deployed a platform surveillance system to track and identify client API integration anomalies or technical bad practices. • Technical Advising: Deep-diving into client use-cases, delivering advanced integration diagnostics, and providing tailor-made technical recommendations. • Performance & Growth: Rigorous KPI tracking and steering continuous improvement projects (workflows automation, QoS optimization). 🛠️ Tech Stack: REST API, cURL, Postman, Bruno, Webhooks, JS, NodeJs, SQL.
Senior Technical Support Manager
Mar 2022 - Jun 2023
1 year 4 months
Paris, France
ℹ️ Leading the technical support team, managing tech recruitment, and structuring operational processes in project mode. 🎯 Key Responsibilities & Achievements: • Team Leadership: Global management of the technical support engineering squad, including day-to-day scheduling, conflict arbitration, and task prioritization. • Synergies & Alignment: Resolving complex integration hurdles in close, direct synergy with Solution Engineering, Delivery, and Core Engineering teams. • Care Strategy: Designing and rolling out the corporate technical support strategy (value-add creation, support tier definition, and SLA mapping). • Business & CSM: Proactively identifying account expansion opportunities (upsell/cross-sell) in tight alignment with Customer Success Managers. • Process Overhaul: Mapping existing workflows, redesigning inter-departmental data flows, and implementing technical and operational solutions. • Recruitment & Onboarding: Spearheading the tech hiring pipeline (screening, initial technical interviews, designing and grading case studies, and cultural fit evaluation). • Mentorship: Managing onboarding tracks for new hires and mentoring tech apprentices (university relations, dedicated roadmap building). 🛠️ Tech Stack: REST API, cURL, Postman, Bruno, Webhooks, JS, NodeJs, SQL.
Technical Support Manager
Mar 2021 - Mar 2022
1 year 1 month
Paris, France
ℹ️ Operational management of B2B technical support and product performance optimization. 🎯 Key Responsibilities & Achievements: • Performance & ROI: Achieved a historical 30% reduction in low-value incoming support tickets by reviewing client API integrations, upgrading technical documentation, deploying Zendesk automations, and running customer training. • Ops & Diagnostics: Handling daily technical queries, isolating, and troubleshooting advanced client integration bugs (Tier 2/3). • Cross-Functional Alignment: Identifying technical integration blockers and collaborating continuously with Solution Engineering, Delivery, and CSM squads. • Process & Care: Actively participating in building the care framework and modeling cross-departmental communication flows. 🛠️ Stack technique : API REST, cURL, Postman, Bruno, Webhooks, JS, Nodejs, SQL.
IT Project Manager
Lively Software
Sep 2019 - Sep 2020
1 year 1 month
Paris, France
ℹ️ Steering technical software deployment projects (Web/Mobile) for enterprise B2B accounts, from initial requirement gatherings to final production releases. 🎯 Key Responsibilities & Achievements: • Scoping & Steering: Managing end-to-end technical projects, from initial business discovery to full technical deployment at the client site. • Agile Methodology: Coordinating a team of full-stack developers and DevOps engineers, overseeing timeline scheduling, deliverables tracking, and backlog prioritization. • QA & Release: Organizing User Acceptance Testing (UAT) phases, running functional validation tests, authoring project documentation, and providing post-production hypercare support. 🛠️ Tech Stack : API REST, cURL, Postman, Bruno, Webhooks, JS, Nodejs, SQL.
Bank Advisor
LCL
Nov 2019 - Jun 2020
8 months
94800 Villejuif, France
ℹ️ Financial portfolio management, credit underwriting, and B2B partner account management. 🎯 Key Responsibilities & Achievements: • Risk Analysis: Running detailed financial audits, solvency evaluations, and assembling complex lending structures (real estate and consumer credit).
ING France
Dec 2017 - Aug 2019
1 year 9 months
Paris, France
Mortgage Bank Advisor
Sep 2018 - Aug 2019
1 year
Paris, France
ℹ️ Financial portfolio management, credit underwriting, and B2B partner account management. 🎯 Key Responsibilities & Achievements: • B2B Business Relations: Actively managing, monitoring, and expanding the pipeline of loan originations with a regional network of mortgage brokers. • Risk Analysis: Running detailed financial audits, solvency evaluations, and assembling complex lending structures (real estate and consumer credit).
Bank Advisor
Dec 2017 - Sep 2018
10 months
Paris, France
ℹ️ Financial portfolio management, loan underwriting, and B2B partner account management. 🎯 Key Responsibilities & Achievements: • Executing daily banking solutions, liquid savings optimization, and stock market investments advice (Life Insurance portfolios). • Project Contribution: Gathering customer inputs and pain points to capitalize internal product knowledge.
Customer Satisfaction Specialist
Mar 2018 - Apr 2018
2 months
Paris, France
ℹ️ Handling, investigating, and resolving Tier 2 and Tier 3 complex claims for ING internal call centers and external BPO vendors. 🎯 Key Responsibilities & Achievements : • Customer Care & Crisis Management: Managing high-priority or sensitive escalations to protect retention rates. • Coordinating technical and financial investigations with B2B partners to settle disputes.
Cultural Representative
Walt Disney World
Aug 2017 - Dec 2017
5 months
Orlando, FL, USA
ℹ️ Cultural exchange placement within high-volume commercial venues at the France Pavilion (EPCOT World Showcase - Walt Disney World, Orlando, Florida). 🎯 Key Responsibilities & Achievements: • High-volume consultative sales and international guest relations. • Maintaining store standards, visual merchandising, and inventory tracking. • Sharing French culture with an international audience. • Developing complete, bilingual fluency in English within a native professional setting.
Disneyland Paris
Aug 2013 - Aug 2017
4 years 1 month
77700 Chessy, France
Retail Unit Manager Assistant
Aug 2015 - Aug 2017
2 years 1 month
77700 Chessy, France
ℹ️ Operational supervision and commercial performance optimization of high-traffic retail units. 🎯 Key Responsibilities & Achievements: • Team Leadership: Leading, scheduling, and providing on-the-field training for operational crews of 30 to 40 cast members. • Guest Excellence: Enforcing strict Disney customer service quality standards and resolving advanced customer disputes. • Financial Operations & Compliance: Managing complex financial streams (point-of-sale closing procedures, store vault management, fund drops) and supply chain tracking. • Internal Projects: Spearheading local sales booster campaigns for the stationary category.
Retail Sales Associate
Aug 2013 - Aug 2015
2 years 1 month
77700 Chessy, France
ℹ️ Consultative selling, point-of-sale maintenance, and floor stock management in a fast-paced environment. 🎯 Key Responsibilities & Achievements: • Guest Excellence: Consistently delivering premium guest service and handling local complaints in an international environment. • Financial Operations: Following strict cash-handling compliance and cash register auditing. • Internal Projects: Initiating and leading a localized sales push for a declining item category (Disney Light Ears).
Education
Université Paris-Est Marne-la-Vallée
Licence professionnelle Responsable du Développement de Projets
2019 - 2020
1 year 1 month
Stephenson Formation
Brevet de Technicien Supérieur en Management des Unités Commerciales
2015 - 2017
1 year 11 months
Stephenson Formation
Baccalauréat professionnel commerce
2013 - 2015
1 year 11 months
Licenses & certifications
Formation SSCT & ES (Comité Social et Économique)
Issued: Oct 2023
Certification AMF
Issued: Mar 2021
F4/T2 Niveaux 1 & 2
Issued: Sep 2019
Directive Crédit Immobilier (DCI)
Issued: Jan 2019