Integration Architect/API Architect

Integration Architect/API Architect Tasks Advise clients on selecting and deploying integration and API management platforms (e.g., Kong, Apigee, Mule

Soft, Gravitee) and define end-to-end integration architectures (API-first, microservices, cloud-native, event-driven)

Design and implement event-driven and asynchronous integrations using technologies such as Kafka / Pub/Sub / Event

Bridge, including A2A automation via lightweight APIs and workflow engines

Modernize legacy integrations (SFTP, ETL, monolithic brokers) into scalable, resilient API/event-based solutions, delivering migration approaches and target-state designs

Operate and improve platforms in hybrid/cloud environments, ensuring security, reliability, scalability, and implementing CI/CD + Git

Ops, observability, and SLA/SLO standards

Establish API governance and best practices, track global API/integration KPIs (usage, performance, adoption, cost), and leverage AI/agentic tools (incl. MCP) to automate discovery, documentation, testing, and contract validation

Benefits

Competitive compensation package

Your learning never stops: we offer many training and upskilling opportunities

Structured career progression: at Reply, we actively encourage professional development

A start-up mindset: hands-on experience, flexibility, a dynamic work environment… and free coffee

A diverse and stimulating environment: you’ll be surrounded by peers and enthusiasts who share your interest in technology

Opportunities to take part in hackathons, coding challenges, and lab camps

Qualifications

At least 3 years’ experience as a Integration Architect/API Architect Master’s degree in Computer Science or a related field

Strong expertise in API architectures, integration patterns, and distributed systems, with hands-on proficiency in API management/gateway platforms (e.g., Kong, Apigee, Mule

Soft, Azure APIM)

Solid command of modern integration technologies: REST, Graph

QL, g

RPC, Async

API, and messaging/event platforms (e.g., Kafka, Pub/Sub)

Proven experience delivering cloud-native integration on AWS/Azure/GCP, using CI/CD, Ia

C (Terraform, Helm), Kubernetes, and Dev

Ops/SRE practices to ensure reliability, security, and scalability

Preferred: experience modernizing legacy integrations toward API/event-driven and A2A automation, plus exposure to MCP/agentic or AI-assisted integration and Agile/Scrum environments

Reply

Reply specialises in the design and implementation of solutions based on new communication channels and digital media. As a network of highly specialised companies, Reply defines and develops business models enabled by the new models of AI, big data, cloud computing, digital media and the internet of things. Reply delivers consulting, system integration and digital services to organisations across the telecom and media; industry and services; banking and insurance; and public sectors. Requisition ID11089- Posted02/11/2026-Technology-Job-Years of Experience (3)3-5 , 5-7 , 8+Where (1)France