Senior Software Engineer – Campaigns

Requirements

• 6+ years of experience as a Software Engineer
• Strong technical expertise with a proven track record of building products that people love and use daily
• Full-stack development experience, with a primary focus on backend
• Experience developing large-scale, user-facing web products
• Deep product understanding and a passion for creating software that delivers an exceptional user experience
• Strong team player with excellent communication skills and empathy
• Commitment to quality and simplicity in engineering and product development
• Domain experience in adtech or martech is extremely beneficial but not a dealbreaker
• 0-1 product development experience – hugely advantageous

What the job involves

• We’re currently expanding our engineering teams in London and looking for experienced Tech Leads. This is an individual contributor role with technical leadership scope, it’s not a people management position
• You’ll drive the development of infrastructure features that shape our product’s future from UI to database
• Our CRM group is expanding into a new, strategic area of the platform — and this is a rare opportunity to help build it from the ground up
• The team is working on a product that doesn’t fully exist yet, which means you’ll be involved in shaping direction, validating ideas quickly, and driving them through to implementation, not just executing on a defined roadmap
• It’s a high-ownership, high-decision-making environment where you’ll work closely with Product and GTM teams to deeply understand customer needs and translate them into something real
• AI is central to the vision, not an afterthought — we’re designing for where the space is heading over the next few years, not just optimising for today
• We’re a collaborative, full-stack team (Node.js and React) based in London, and we thrive on people who bring strong product sense, a bias for action, and the kind of founding-engineer mindset that’s comfortable with ambiguity and energised by it
• You’ll work with experienced and highly talented engineers who are passionate about what they do, using cutting‑edge technologies in a data- and impact‑driven environment. We foster a culture of transparency, full ownership, teamwork, and a no-ego policy
• Our engineering department consists of multiple groups, each responsible for a critical domain within the monday.com product. With over 400 engineers, we operate in cross‑functional teams, collaboratively defining, improving, building, and delivering features
• Play a key in shaping our product architecture and engineering excellence
• Evolve our architecture and engineering practices to support the ever-growing scale of users, features, and data
• Work alongside experienced and highly skilled developers with cutting‑edge technologies
• Collaborate closely with Product and Design teams, taking full ownership and responsibility from conception to post-deployment in a fast‑paced, dynamic environment
• Tech stack: React.js, Redux, Node.js, Ruby on Rails, AWS, Elasticsearch, Redis, MySQL
• Note: Prior experience with our tech stack is not required; we welcome people willing to learn

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