Senior Software Engineer

Zoom Video Communications; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading video communication platform is seeking a Senior Software Engineer to develop backend systems and APIs that facilitate proposals, contracts, and payments. In this role, you will work with cross-functional teams to ensure reliability and performance while shaping the architecture and implementation of their services. Candidates should have strong proficiency in Ruby, Ruby on Rails, React, and TypeScript. This opportunity offers a hybrid work model and a commitment to employee well-being.

Benefits

Comprehensive health benefits

Flexible work hours

Professional development opportunities

Qualifications

• Deep proficiency in Ruby and Ruby on Rails.
• Experience with REST API design and implementation.
• Familiarity with SaaS products, especially related to payments and invoicing.

Responsibilities

• Lead development of resilient backend systems.
• Design and implement RESTful APIs and microservices.
• Collaborate with Frontend teams to ensure performant experiences.

Skills

Ruby

Ruby on Rails

React

Typescript

PostgreSQL

Job description

What you can expect

Bonsai, now part of Zoom, builds tools that help agencies and professional teams focus on meaningful work. We are looking for a Senior Software Engineer to build backend systems and APIs that power proposals, contracts, invoices, payments, time tracking, and projects. Make complex workflows seamless, reliable, and performant . Work with Product, Design, and Frontend teams to shape architecture and implementation. Own your code, your services, and your impact. Influence a product used by teams around the world. Join a team that combines startup energy with Zoom’s scale. Your work will help small businesses focus on what matters — not busywork.

About the Team

At Bonsai, we build technology that helps agencies, consultancies, and professional services teams do their best work without getting buried in busywork. Now part of Zoom, we combine deep operational expertise with Zoom’s mission to create meaningful, flexible human connection. From small studios to growing global teams, we design tools that remove friction across proposals, contracts, projects, time tracking, and billing. Together with Zoom, we build smarter systems, collaborate more freely, and help shape the future of work.

Responsibilities

• Leading development of resilient backend systems powering proposals, project management, CRM, invoicing, payments, contracts, and time tracking.
• Designing and implementing RESTful APIs and microservices that scale with usage and integrate with internal and external systems.
• Collaborating with Frontend, Product, and Design to deliver reliable, performant full-stack experiences.
• Driving performance optimization, security hardening, and operations best practices across backend services.
• Contributing to architectural discussions, system design reviews, and long-term product strategy.
• Implementing automated test coverage, CI/CD pipelines, observability, and production monitoring.
• Supporting multi-region, multi-currency, and internationalization requirements as Bonsai expands globally.

What we’re looking for

• Apply deep proficiency in Ruby, Ruby on Rails, React and Typescript.
• Design and implement REST APIs and database schemas, ideally using PostgreSQL or similar relational stores.
• Collaborate effectively with Frontend and Product teams to deliver end-to-end solutions.
• Ensure system performance, reliability, security, and observability best practices are met ;
• Develop SaaS products; experience with payments, invoicing, or workflow systems is highly advantageous.
• Operate independently in teams with high autonomy and ownership expectations.
• Contribute to technical leadership and mentorship across the engineering o rganisation .

Ways of Working

Our structured hybrid approach is centered around our offices and remote work environments. The work style of each role, Hybrid, Remote, or In-Person is indicated in the job description/posting.

Benefits

As part of our award-winning workplace culture and commitment to delivering happiness, our benefits program offers a variety of perks, benefits, and options to help employees maintain their physical, mental, emotional, and financial health; support work-life balance; and contribute to their community in meaningful ways. Learn for more information.

About Us

Zoomies help people stay connected so they can get more done together. We set out to build the best collaboration platform for the enterprise, and today help people communicate better with products like Zoom Contact Center, Zoom Phone, Zoom Events, Zoom Apps, Zoom Rooms, and Zoom Webinars.
We’re problem-solvers, working at a fast pace to design solutions with our customers and users in mind. Find room to grow with opportunities to stretch your skills and advance your career in a collaborative, growth-focused environment.

Our Commitment

At Zoom, we believe great work happens when people feel supported and empowered. We’re committed to fair hiring practices that ensure every candidate is evaluated based on skills, experience, and potential. If you require an accommodation during the hiring process, let us know—we’re here to support you at every step.

If you need assistance navigating the interview process due to a medical disability, please submit an Accommodations Request Form and someone from our team will reach out soon. This form is solely for applicants who require an accommodation due to a qualifying medical disability. Non-accommodation-related requests, such as application follow-ups or technical issues, will not be addressed.