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I'm an experienced Backend and DevOps engineer, focused on building reliable, high-performance distributed systems. I value reliability, performance, and simplicity, with a strong emphasis on technological sovereignty. I operate at the intersection of application development (C#, Go, Java) and infrastructure (Kubernetes, Kafka, CI/CD, observability), collaborating with data, infra, QA, and product teams to ensure quality and automation across the stack.…I'm an experienced Backend and DevOps engineer, focused on building reliable, high-performance distributed systems. I value reliability, performance, and simplicity, with a strong emphasis on technological sovereignty. I operate at the intersection of application development (C#, Go, Java) and infrastructure (Kubernetes, Kafka, CI/CD, observability), collaborating with data, infra, QA, and product teams to ensure quality and automation across the stack.

Baptiste Massemin

Back-End Developer, DevOps Developer, Cloud Developer

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I'm an experienced Backend and DevOps engineer, focused on building reliable, high-performance distributed systems. I value reliability, performance, and simplicity, with a strong emphasis on technological sovereignty. I operate at the intersection of application development (C#, Go, Java) and infrastructure (Kubernetes, Kafka, CI/CD, observability), collaborating with data, infra, QA, and product teams to ensure quality and automation across the stack.…I'm an experienced Backend and DevOps engineer, focused on building reliable, high-performance distributed systems. I value reliability, performance, and simplicity, with a strong emphasis on technological sovereignty. I operate at the intersection of application development (C#, Go, Java) and infrastructure (Kubernetes, Kafka, CI/CD, observability), collaborating with data, infra, QA, and product teams to ensure quality and automation across the stack.

Available to hire

I’m an experienced Backend and DevOps engineer, focused on building reliable, high-performance distributed systems. I value reliability, performance, and simplicity, with a strong emphasis on technological sovereignty.

I operate at the intersection of application development (C#, Go, Java) and infrastructure (Kubernetes, Kafka, CI/CD, observability), collaborating with data, infra, QA, and product teams to ensure quality and automation across the stack.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

French

Fluent

English

Advanced

Work Experience

Backend / DevOps Engineer at Shopify

January 1, 2025 - January 1, 2025

Designed, developed, and maintained critical backend services running in distributed Kubernetes environments, handling up to 500k requests per second. Standardized internal Kafka client implementations with unified tracing and metrics, enabling centralized observability, transparent multi-region operations, and cross-team best practices. Collaborated with data and infrastructure teams to align needs and constraints. Participated in a demanding technical environment with thorough code reviews, advanced CI/CD workflows, and intensive monitoring.

Backend Developer at Ubisoft

January 1, 2019 - January 1, 2019

Provided technical leadership on reward, challenge, achievement, and battle pass systems for major game franchises (Assassin's Creed, Far Cry, etc.). Developed microservices in ASP.NET Core, interconnected via RabbitMQ, sustaining loads up to 40k RPS with DynamoDB as the main NoSQL database. Designed scalable and resilient event-driven architectures. Coordinated with game play, QA, and product teams to ensure technical consistency and smooth functional integration.

Application Developer at Penarana Informatique

January 1, 2017 - January 1, 2017

Designed and evolved medical software in C# to manage radiology reporting workflows. Direct interactions with customers: requirements gathering, on-site beta installation, user training, and support. Implemented complex billing rules based on French medical insurance systems (CCAM, FSE). Integrated with hospital systems using HL7 and HPRIM standards.

Backend Developer at Sof tWay Medical

January 1, 2011 - January 1, 2011

Backend development in Java for a radiology information system. Member of the interoperability team handling DICOM, HL7, and HPRIM flows between RIS, PACS, and external systems. Implemented complex medical act billing logic aligned with health insurance models.

Application Developer at Penaran da Informatique

January 1, 2017 - January 1, 2017

Designed and evolved medical software to manage radiology report workflows. Direct interactions with customers: requirements gathering, on-site beta installations, user training, and support. Implemented complex billing rules aligned with French insurance systems (CCAM, FSE). Integrated with hospital systems using HL7 and HPRIM standards.

Application Developer at Pernanda Informatique

January 1, 2017 - January 1, 2017

Designed and evolved medical software in C# to manage radiology report workflows. Direct interactions with customers: requirement gathering, on-site installations, user training, and support. Implemented complex billing rules based on French medical insurance systems (CCAM, FSE). Integrated with hospital systems using HL7 and HPRIM standards.