API Integration Engineer II - Azure, REST & Microservices

Deloitte France; Minneapolis (MN); On-site; USD 87,000 - 171,000; Full time

Job summary

Join Deloitte France's AI & Engineering team as an Integration Engineer II, API Developer, focusing on integration tool experience and end-to-end API solutions across on-premises and cloud environments.

You will design architectures, implement RESTful APIs, ensure security, and guide SDLC across multiple environments, collaborating with global teams and mentors. Travel up to 50% may be required.

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
• Must be legally authorized to work in the United States without the need for employer sponsorship

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, Javascript, Azure, Typescript or tools like MuleSoft/Apigee/Kong/Workato/BizTalk
• Design, build, and integrate RESTful APIs - connecting third-party and internal systems for reliable data exchange
• Implement API security (OAuth2, JWT, API keys), versioning, rate limiting, and robust error handling
• Manage the full SDLC, including developing, testing, and deploying integration processes across Test, UAT, and Production
• Monitor integration performance, troubleshoot issues, and provide 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

API design

RESTful services

OAuth2/JWT/API keys

Azure

MuleSoft/Apigee/Kong/Workato

CI/CD

Data mapping

Cloud architecture

Education

Bachelor's degree in computer science/softw. eng./IT

Tools

MuleSoft

Apigee

Kong

Workato

BizTalk

Job description

Join Deloitte France's AI & Engineering team as an Integration Engineer II, API Developer, focusing on integration tool experience and end-to-end API solutions across on-premises and cloud environments.

You will design architectures, implement RESTful APIs, ensure security, and guide SDLC across multiple environments, collaborating with global teams and mentors. Travel up to 50% may be required.