API Integration Engineer II — Azure & Middleware

Deloitte France; Stamford (CT); On-site; USD 87,000 - 171,000; Full time

Job summary

Deloitte is seeking an Integration Engineer II, API Developer with Integration Tool Experience, to join its AI & Engineering team. You will design end-to-end integration architectures across frontend, backend, and cloud, translating requirements into scalable, secure solutions.

You will build backend services and RESTful APIs using Python or JavaScript/TypeScript, and leverage tools like MuleSoft, Apigee, Kong, Workato, BizTalk, or Boomi. Travel up to 50% and mentor junior team members.

Qualifications

• 4+ years of hands-on experience with one or more modern programming languages (e.g., Python, JavaScript/TypeScript) for building backend services and APIs.
• Experience designing integration solutions across on-premises and cloud environments.
• Knowledge of API security standards and patterns (OAuth2, JWT, SAML, API keys).

Responsibilities

• Design end-to-end system architecture across frontend, backend, integration layers, and cloud infrastructure.
• Define technical standards, integration design patterns, and best practices to guide the development team.
• Create and maintain architecture diagrams, technical specifications, and data mapping references.

Skills

Independent work

Team collaboration

Communication skills

Attention to detail

Mentoring

Project leadership

Deadline orientation

Education

Bachelor's degree in CS/IT

Tools

MuleSoft

Apigee

Kong

Workato

BizTalk

Boomi

Job description

Deloitte is seeking an Integration Engineer II, API Developer with Integration Tool Experience, to join its AI & Engineering team. You will design end-to-end integration architectures across frontend, backend, and cloud, translating requirements into scalable, secure solutions.

You will build backend services and RESTful APIs using Python or JavaScript/TypeScript, and leverage tools like MuleSoft, Apigee, Kong, Workato, BizTalk, or Boomi. Travel up to 50% and mentor junior team members.