API Integration Engineer II — Azure & MuleSoft

Deloitte France; New Orleans (LA); On-site; USD 87,000 - 171,000; Full time

Job summary

Deloitte France seeks an Integration Engineer II with API development experience to join our AI & Engineering team. You will design end-to-end integration solutions across cloud and on-prem systems, building APIs and connectors using Python, JavaScript/TypeScript, and enterprise tools.

You will collaborate with global teams, implement security, data mapping, and SDLC processes, and mentor junior developers while delivering reliable, scalable integrations for client projects.

Qualifications

• Bachelor's degree in computer science, software engineering, information technology or a related field.
• 4+ years of hands-on experience with one or more modern programming languages (e.g., Python, JavaScript/TypeScript) for building backend services and APIs
• Proven experience designing and implementing integration solutions connecting disparate systems, applications, and data sources across on-premises and cloud environments
• Strong understanding of integration patterns and architectural styles (e.g., point-to-point, hub-and-spoke, event-driven, pub/sub, ESB, iPaaS)
• Hands-on experience with API design and development, including RESTful services, SOAP, and/or GraphQL
• Working knowledge of API security standards and protocols (OAuth2, JWT, SAML, API keys) and best practices for versioning, throttling, and error handling
• Experience with enterprise integration platforms/tools (e.g., MuleSoft, Apigee, Kong, Workato, BizTalk, Boomi, or equivalent)
• Experience with at least one major cloud platform (Azure, AWS, or GCP), including cloud-native architecture and deployment practices
• Solid understanding of data mapping, transformation, and orchestration techniques across heterogeneous systems
• Experience managing the full software development lifecycle (SDLC), including CI/CD pipelines, testing strategies, and deployment across multiple environments (Dev, Test, UAT, Production)
• Strong analytical and troubleshooting skills, with the ability to diagnose and resolve complex integration and performance issues
• Excellent communication skills, with the ability to translate business requirements into technical solutions and explain them to both technical and non-technical stakeholders
• Demonstrated ability to create clear technical documentation, including architecture diagrams, specifications, and data mapping references
• Experience leading or mentoring junior developers, with a collaborative approach to working across cross-functional teams
• Strong project ownership mindset, with the ability to manage priorities, timelines, and stakeholder expectations independently
• Ability to travel up to 50% of the time, based on the work you do and the clients and industries/sectors you serve.
• Limited immigration sponsorship may be available.

Responsibilities

• Design end-to-end system architecture spanning frontend, backend, integration layers, and cloud infrastructure, translating requirements into scalable Azure-based solutions
• Define technical standards, Integration design patterns, and best practices to guide the development team
• Create and maintain architecture diagrams, technical specifications, and design documents, including data mapping and configuration details
• Build backend services and APIs using Python (e.g., FastAPI, Django, Flask), Javascript, Azure, Typescript or using enterprise integration tools like MuleSoft , Apigee, Kong, Workato, BizTalk. MUST have recent, hands-on experience with at least two of these tools.
• Design, build, and integrate RESTful APIs - connecting third‑party and internal systems for reliable, consistent data exchange
• Implement API security (OAuth2, JWT, API keys), versioning, rate limiting, and robust error handling
• Manage the full software development lifecycle (SDLC), including developing, testing, and deploying integration processes across Test, UAT, and Production environments
• Monitor integration performance, proactively troubleshoot issues, and provide expert-level post-deployment support
• Collaborate with cross-functional teams to optimize data flows and ensure adherence to integration best practices
• Take ownership of assigned projects, manage stakeholder expectations, and mentor junior team members toward successful delivery

Skills

Python

JavaScript/TypeScript

REST APIs

OAuth2/JWT

Data mapping

Cloud platforms

SDLC / CI/CD

Mentoring

Communication

Team player

Education

Bachelor's degree in CS/Software Eng

Tools

MuleSoft

Apigee

Kong

Workato

BizTalk

Boomi

Job description

Deloitte France seeks an Integration Engineer II with API development experience to join our AI & Engineering team. You will design end-to-end integration solutions across cloud and on-prem systems, building APIs and connectors using Python, JavaScript/TypeScript, and enterprise tools.

You will collaborate with global teams, implement security, data mapping, and SDLC processes, and mentor junior developers while delivering reliable, scalable integrations for client projects.