Senior Software Engineer, iOS

As a Senior Software Engineer, iOS, you will play a key role in building and evolving Hub Spot’s mobile experience. You’ll work on high‑impact product initiatives that bring together CRM functionality, AI‑driven workflows, and mobile‑first user experiences. Day‑to‑day, you can expect a mix of:

• Designing and building new features for the iOS application
• Contributing to AI‑powered and workflow‑driven mobile experiences
• Improving core architecture, authentication, and security foundations
• Collaborating closely with cross‑functional partners
• Participating in code reviews and technical design discussions

You’ll join a collaborative, EMEA‑based mobile organization with opportunities to grow in scope and influence over time. As the team continues to scale, there is potential to step into increased ownership, including technical leadership or squad leadership responsibilities.

Hub Spot may use AI to help screen or assess candidates, but all hiring decisions are always human. More information can be found here. By submitting your application, you agree that Hub Spot may collect your personal data for recruiting, global organization planning, and related purposes. Refer to Hub Spot’s Recruiting Privacy Notice for details on data processing and your rights.

• Experience developing fully featured native iOS applications
• Strong proficiency in Swift (interest in functional programming is a plus)
• Familiarity with RxSwift or reactive programming paradigms
• A solid understanding of clean code and SOLID principles
• Experience with unit testing and automation
• A desire to build sustainable, scalable products with a strong appreciation for user experience
• Comfort working on foundational improvements such as architecture, authentication, and security
• Experience or interest in AI‑powered features or developer AI tooling (e.g., LLM integrations, AI‑assisted development tools) is a plus
• General engineering experience outside of mobile is nice to have
• A portfolio or examples of apps you have published to the App Store

We are Mobile Hub Spot. Our mission is to build world‑class mobile products across Hub Spot’s growth suite, empowering customers to run their businesses from anywhere. We are investing in a strong, scalable mobile platform that supports core CRM workflows, AI‑powered experiences, and persona‑driven use cases—particularly for sales professionals operating on the go.

Our team works across Hub Spot’s iOS and Android applications, building fast, lightweight, responsive, and intuitive mobile experiences. We embrace modern technologies including Swift and Kotlin, and we value strong collaboration across product, engineering, design, and data. A key focus for the team is deepening the integration of AI‑powered capabilities into the core mobile experience, while continuing to strengthen foundational elements such as authentication, security, performance, and reliability.

This is an exciting phase of growth, with meaningful product evolution underway and significant opportunity to shape the direction of mobile at Hub Spot.

At Hub Spot, we value both flexibility and connection. Whether you’re a Remote employee or work from the Office, we want you to start your journey here by building strong connections with your team and peers. If you are joining our Engineering team, you will be required to attend a regional Hub Spot office for in‑person onboarding. If you join our broader Product team, you’ll also attend other in‑person events—such as your Product Group Summit and other gatherings—to continue building on those connections.

Hub Spot (NYSE: HUBS) is an AI‑powered customer platform with all the software, integrations, and resources customers need to connect marketing, sales, and service. Hub Spot’s connected platform enables businesses to grow faster by focusing on what matters most: customers. At Hub Spot, bold is our baseline. Our employees around the globe move fast, stay customer‑obsessed, and win together. Our culture is grounded in four commitments:
Solve for the Customer, Be Bold, Learn Fast, Align, Adapt & Go!, and Deliver with HEART. These commitments shape how we work, lead, and grow. We’re building a company where people can do their best work. We focus on brilliant work, not badge swipes. By combining clarity, ownership, and trust, we create space for big thinking and meaningful progress. And we know that when our employees grow, our customers do too.

Recognized globally for our award‑winning culture by Comparably, Glassdoor, Fortune, and more, Hub Spot is headquartered in Cambridge, MA, with employees and offices around the world.