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Sr. Engineer .NET with Excel API, Contract

Remote, USA Full-time Posted 2026-06-16

WHY DEPT®? We are pioneers at heart. What this means, is that we are always leaning forward, thinking of what we can create tomorrow that does not exist today. We were born digital and we are a new model of agency, with a deep skillset in tech and marketing. That’s why we hire curious, self-driven, talented people who never stop innovating. Our culture is big enough to cope and small enough to care. Meaning, that with people across 20+ countries, we’re big enough to provide you with the best tools, global opportunities, and benefits that help you thrive. While acting small by investing in you, your growth, your team, and giving you the autonomy to solve our clients’ problems, no matter where you are in the world. One of our premiere clients in finance is looking for a Senior C++ Engineer to support our client. We are pursuing both senior and principal-level engineers to work with the client, supporting stability. Role will last from 6-9 months. Candidate Profile Senior Full Stack Engineer focused on producing Excel add-ins to enhance Excel’s capabilities with Moody’s data and functionality. They utilize .NET, HTML, CSS, and JavaScript (or TypeScript) as well as Office JavaScript API. Key Responsibilities and Skills:

  • A True Problem Solver : Diving into existing documentation they will immediately be hands on with getting setup locally and working with the excel add-in. Having direct excel add-in experience is nice to have but it is not a requirement. An ability to navigate through the org and solve the local issues is of higher importance.
  • Building User Interfaces in Excel: Designing and developing task panes, custom ribbon buttons, menus, and other UI elements within Excel.
  • Integrating with Excel Functionality: Using the Office JavaScript API to read and write data, interact with Excel objects (like charts and tables), and extend its capabilities.
  • API Integration: Connecting the add-in to external data sources or APIs to retrieve or send information.
  • Understanding of Excel Add-in Development: Familiarity with the Office Add-ins platform, its architecture (manifest file and web application components), and deployment methods.
  • Web Development Expertise: Proficiency in frontend frameworks like React, Angular, or Vue.js
  • Performance Optimization: Ensuring the add-in loads quickly and user interactions are responsive.

Common Technologies and Tools:

  • .NET
  • Office JavaScript API
  • HTML, CSS, JavaScript (or TypeScript)
  • Frontend Frameworks (React, Angular, Vue.js)
  • Node.js, Office Add-ins Development Kit, Visual Studio Code, Yeoman

WHAT DO WE OFFER? The anticipated hourly range for this position is $67 - $80 per hr (W2.) This is based on a 40-hour workweek and leveling. Keep in mind, we’re flexible. WE SUPPORT YOU BEING YOU: DEPT® is an equal opportunity employer (EOE). We believe our work is its best when our people feel safe and free to be themselves. We’re committed to an inclusive and barrier-free recruitment and selection process and workplace, regardless of anyone’s identity, background, beliefs, lifestyle or disabilities. So tell us about any accommodations you need. It’s totally confidential and only used to make sure you feel fully supported at every step. DEPT® participates in E-Verify, meaning your Form I-9 information will be sent to the federal government to confirm you are authorized to work in the U.S. We are a B Corp-certified company passionate about purpose-driven work. Our hope is that you can feel good about the contributions DEPT® is making to the world and we always have an open door for your ideas in making the world a better place. DEPT® is a pioneering technology and marketing services company that creates integrated end-to-end digital experiences for brands such as Google, KFC, Philips, Audi, Twitch, Patagonia, eBay and more. Its team of 2,500+ digital specialists across 30+ locations on 5 continents delivers pioneering work on a global scale with a boutique culture. Learn more about DEPT® DIVERSITY, EQUITY, & INCLUSION At DEPT®, we take pride in creating an inclusive workplace where everyone has an equal opportunity to thrive. We actively seek to recruit, develop, nurture, and retain talented individuals from diverse backgrounds, with varying skills and perspectives. Not sure you meet all qualifications? Apply, and let us decide! Research shows that women and members of underrepresented groups tend not to apply for jobs when they think they may not meet every requirement, when in fact they do. We believe in giving everyone a fair chance to shine. We also encourage you to reach out to us and discuss any reasonable adjustments we can make to support you throughout the recruitment process and your time with us. Want to know more about our dedication to diversity, equity, and inclusion? Check out our efforts here. #LI-Remote Apply tot his job Apply To this Job

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