INTEGRATION ARCHITECT/API ARCHITECT

About 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.

Responsibilities

• Advise clients on selecting and deploying integration and API management platforms (e.g., Kong, Apigee, MuleSoft, 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 / EventBridge, 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 + GitOps, 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

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, MuleSoft, Azure APIM)
• Solid command of modern integration technologies: REST, GraphQL, gRPC, AsyncAPI, and messaging/event platforms (e.g., Kafka, Pub/Sub)
• Proven experience delivering cloud-native integration on AWS/Azure/GCP, using CI/CD, IaC (Terraform, Helm), Kubernetes, and DevOps/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

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