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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Integration Engineer II with Multiple API and Integration Tool - **Company:** Deloitte T.T.L. - **Location:** Seattle, WA, United States - **Experience:** Experienced - **Salary:** $86,700.0 - $170,900.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Microsoft Azure, Microsoft Biztalk Servers, Cloud Computing, Cloud Engineering, Software Documentation, Information Systems, Continuous Delivery, Continuous Integration, Data Mapping, Software Design Documents, Software Design Patterns, Django Web Framework, Enterprise Architecture Framework, Electronic Data Interchange (EDI), Design of User Interfaces, Human-Computer Interaction, Python (Programming Language), OAuth, Oracle (Applications), Systems Development Life Cycle, JSON Web Token, Requirements Management, Salesforce.Com, Security Assertion Markup Language (SAML), SAP (Applications), Simple Object Access Protocol (SOAP), Software Engineering, Data Streaming, Systems Architecture, Systems Integration, Strategies of Testing, TypeScript, Management of Software Versions, Scripting, Google Cloud, Enterprise Software Applications, Cloud Platform System, Flask (Web Framework), Boomi, Software Security, Zapier, HybridCloud, Apigee, Backend, Rate Limiting, Togaf, Fastapi, Integration Tests, Information Technology, Enterprise Integration, Integration Frameworks, Graphql, Data Management, Front End Software Development, Api Design, Restful APIs, Api Management, Workday, Enterprise Service Bus, Mulesoft, Programming Languages - **Published:** October 4, 2026 - **Apply:** https://www.careerbuilder.com/job-details/integration-engineer-ii-with-multiple-api-and-integration-tool-experience-seattle-wa--8d5fb396-d8c0-4111-adff-d09e3c32963f ## About the Role * Ability to work independently and collaborate as part of a team * Effective written and verbal communication skills * Meticulous attention to detail and quality of work product * Ability to build and sustain professional relationships * Ability to lead projects or workstreams * Ability to manage and prioritize multiple tasks in a fast-paced and dynamic environment * Strong interpersonal skills and professional demeanor * Ability to meet deadlines * Ability to provide clear guidance to others, * 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. Preferred * Exposure to and understanding of enterprise architecture frameworks (e.g. TOGAF) * Experience integrating specific enterprise systems such as Salesforce, SAP, Oracle, HCM, Workday, etc. * Familiarity with cloud technologies and architectures (AWS, Azure, GCP)., Acceptance Testing, Amazon Web Services (AWS), Analysis Skills, Application Programming Interface (API), Architectural Services, Artificial Intelligence (AI), Best Practices, Business Development, Business Processes, Business Skills, Cloud Architecture, Cloud Computing, Communication Skills, Computer Science, Continuous Deployment/Delivery, Continuous Integration, Cross-Functional, Customer Support/Service, Data Mapping, Design Document, Design Patterns Programming Methodologies, Detail Oriented, Django, Enterprise Architecture, Enterprise Service Bus (ESB), Error Handling, Establish Priorities, Financial Management, Flask, GCP (Good Clinical Practices), GraphQL, Hybrid Cloud, Identify Issues, Incentive Programs, Information Technology & Information Systems, Integration Testing, Interpersonal Skills, JavaScript, Leadership, Maintain Compliance, Management Strategy, Mentoring, Microsoft BizTalk Server, Microsoft Windows Azure, Multitasking, OAuth, Operations Processes, Oracle, Performance Analysis, Presentation/Verbal Skills, Process Development, Product Engineering, Product Programs, Production Systems, Programming Languages, Python Programming/Scripting Language, REST (Representational State Transfer), Reengineering, Requirements Management, SAP, SOAP (Simple Object Access Protocol), Salesforce.com, Security Assertion Markup Language (SAML), Security Protocols, Software Development Lifecycle (SDLC), Software Engineering, Standards Development, System Architecture, System Integration (SI), TOGAF - The Open Group Architecture Framework, Team Player, Technical Delivery, Technical Operations, Technical Writing, Technical/Engineering Design, Test Plan/Schedule, Test Strategy, Testing, Time Management, Traffic Shaping, User Documentation, User Interface/Experience (UI/UX), Vendor/Supplier Relations, Willing to Travel, Writing Skills ## Description Integration Engineer II, API Developer with Integration Tool Experience - AI & Engineering/Engineering as a Service Join our AI & Engineering team in transforming technology platforms, driving innovation, and helping make a significant impact on our clients' success. You'll work alongside talented professionals reimagining and re-engineering operations and processes that are critical to business. Your contributions can help clients improve financial performance, accelerate new digital ventures, and fuel growth through innovation. AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate integrated/verticalized sector solutions in software, data, AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for business advantage, transforming mission-critical operations. We enable clients to stay ahead with the latest advancements by transforming engineering teams and modernizing technology & data platforms. Our delivery models are tailored to meet each client's unique requirements. Engineering as a Service provides complete design, implementation, and technology operations, leveraging our core engineering expertise. We transform engineering teams, modernize technology, and deliver complex programs with a product engineering approach. Our flexible delivery models-traditional teams, pools, or pods-are tailored to each client's needs, offering engineering-led advisory, implementation, and operational capabilities to accelerate innovation. Recruiting for this role ends on 10/31/2026. Work You'll Do As Integration Engineer II you will have hands-on integration development skills to develop solutions streamlining business processes working with internal teams, near-shore, off-shore technologists and vendor relationships. You will be part of API management strategies to enable seamless communication between applications. You will work across geographies with accountability for the success, effectiveness and delivery of multiple work streams, managing a large, dispersed technology team. Key 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, The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $86,700-$170,900. You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, the individual, and organizational performance. Deloitte is committed to providing reasonable accommodations for people with disabilities. If you require a reasonable accommodation to participate in the recruiting process, please direct your inquiries to the Global Call Center (GCC) at USTalentCICInbox@deloitte.com. ## Related Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Advanced Cypress: custom assertions and tasks](https://www.wearedevelopers.com/videos/790-advanced-cypress-custom-assertions-and-tasks) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)