Senior Software Engineer II, Backend - Customer Journey Product Line

HubSpot, Inc.; City of Westminster; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading customer platform provider in the UK is seeking a Senior Backend Engineer for its Global Search team. This role focuses on designing and optimizing backend services that enhance user search experiences across the platform. Ideal candidates have over 7 years of experience in cloud-based environments and are proficient in Java or Kotlin. Join a flexible company culture that prioritizes teamwork and innovative solutions.

Qualifications

• 7+ years of backend engineering experience.
• Proficient in one or more of HubSpot's backend languages (Java, Kotlin, etc.).
• Experience with designing reliable systems and APIs.

Responsibilities

• Design, build, and maintain scalable backend services for global search.
• Collaborate with product managers and frontend engineers.
• Contribute to the architecture of distributed systems.
• Improve system reliability and performance that impacts millions.

Skills

Backend engineering in modern cloud-based environments

Java or Kotlin

Designing and scaling distributed systems

Search services and APIs

Strong communication skills

Job description

As a Senior Backend Engineer on the Global Search team within the Customer Journey Product Line, you'll play a key role in shaping the systems and services that power how users find and discover information across HubSpot. You will:

Responsibilities

• Design, build, and maintain scalable backend services that support global search and discovery experiences across the HubSpot platform.
• Collaborate closely with product managers, frontend engineers, and data teams to deliver reliable, intelligent, and context‑aware search results.
• Contribute to the architecture of distributed systems that handle large‑scale data indexing, query optimization, and personalization.
• Improve system reliability, observability, and performance across services that touch millions of customers daily.
• Write clean, maintainable, and well‑tested code while applying best practices in API design, data modeling, and service architecture.
• Help guide technical direction and contribute to long‑term engineering decisions that shape the evolution of HubSpot's Global Search platform.
• Participate in code reviews, technical discussions, and mentorship opportunities within the team.

Qualifications

• 7+ years of backend engineering experience, ideally in a modern, cloud‑based environment.
• Proficient in one or more of HubSpot's backend languages and frameworks (Java, Kotlin, or similar JVM‑based languages).
• Experience designing and scaling distributed systems, search services, and APIs.
• Understanding of how to build reliable, observable systems that can evolve quickly and safely.
• Thrives on solving challenges involving search relevance, data flow, indexing, and performance at scale.
• Strong communication skills and ability to work collaboratively across engineering, product, and design teams.
• Excitement about building intelligent, adaptive systems that make finding information effortless for users.

About the Global Search Team

Global Search is one of the most visible and widely used experiences in HubSpot, helping users find exactly what they need across CRM, Marketing, Sales, Service, and CMS. The team builds and operates the backend systems that power discovery, navigation, and contextual recommendations throughout the platform, with a mission to make it effortless for users to find information and take action.

Working on this team means tackling challenges in search relevance, indexing, data modeling, and distributed systems at scale while delivering a fast, intuitive experience that grows with customers.

HubSpot Culture

At HubSpot, we value flexibility and connection. Whether you're a remote employee or work from the office, we want you to build strong connections with your team and peers. In addition to in‑person onboarding at a regional HubSpot office, broader product teams attend other in‑person events such as product group summits and gatherings.

HubSpot is an AI‑powered customer platform that connects marketing, sales, and service. Our culture is grounded in four commitments: Solve for the Customer, Be Bold, Learn Fast, Align, Adapt & Go!, and Deliver with HEART.