API & Integration Engineer II - Build Scalable Integrations

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

Job summary

Deloitte seeks an Integration Engineer II for API development and integration tool experience in AI & Engineering. Join a global team delivering end-to-end architecture, security, and data integration across on-premises and cloud environments.

The role emphasizes hands-on backend/API development with Python/JS, cloud platforms, and vendor tools, plus SDLC leadership and cross-functional collaboration. Travel may be required, and sponsorship may be available where permitted.

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 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

API design

RESTful services

OAuth2/JWT

CI/CD

Cloud platforms (Azure/AWS/GCP)

Data mapping

Team collaboration

Leadership

Education

Bachelor's degree in computer science / software engineering / IT or related field

Tools

MuleSoft

Apigee

Kong

Workato

BizTalk

Boomi

Job description

Deloitte seeks an Integration Engineer II for API development and integration tool experience in AI & Engineering. Join a global team delivering end-to-end architecture, security, and data integration across on-premises and cloud environments.

The role emphasizes hands-on backend/API development with Python/JS, cloud platforms, and vendor tools, plus SDLC leadership and cross-functional collaboration. Travel may be required, and sponsorship may be available where permitted.