Senior Software Engineer

Senior engineering at Opus 2 is hands-on, high-trust, and end-to-end. You'll lead complex, often ambiguous work from problem to production, raise the bar on the team around you, and help shape how we build software in a moment where AI is changing the work week to week. We're not looking for someone who'll watch that change from the sidelines. You can grow toward Staff or Principal from here. This is an IC role, and the day-to-day is engineering with influence, not management.

Responsibilities

Lead complex, often ambiguous features and projects end-to-end; Partner with Product and Design to translate user needs into pragmatic, well-scoped technical work; Raise the bar on the team around you through thoughtful code review, pairing, and mentoring; Own quality and operability, including CI/CD, test automation, observability, and post-incident learning; Make architectural and tech-stack calls that hold up; Use AI to raise quality, speed, and productivity; Help shape engineering strategy with Tech Leads and Engineering Managers

Requirements

T-shaped engineers: broad across the stack, deep in at least one area (backend, frontend, data, infra, AI/ML, or another domain); Depth in something; Breadth that lets you ship end-to-end; Ownership that runs from idea to production and into how it operates; Steadiness under pressure; Coaching disposition; Change disposition; Shipped, operated, and iterated on real software at meaningful scale; Comfortable across the stack with at least one of TypeScript, Python, Java, or Go; Worked with cloud platforms and understand the operational side of running services in production; Enjoy working with Product and Design as partners; Curious about AI tooling and product applications

Nice to have

AWS preferred; transferable experience welcome; Java; PHP; React; Kubernetes; serverless; Postgres; MongoDB; OpenSearch/Elasticsearch; vector stores; GenAI features; LLMs; retrieval; agentic workflows

Benefits

Senior engineering work at a company where AI is real, in production, and a core part of how customers get value; A focused engineering organisation where your work is visible and your decisions matter; Investment in your growth: coaching, learning time, exposure to challenging problems, and a clear IC track; Contributory pension plan; 33 days annual holidays, flexible working, and length of service entitlement; Health Insurance; Loyalty Share Scheme; Enhanced Maternity and Paternity; Employee Assistance Programme; Electric Vehicle Salary Sacrifice; Cycle to Work Scheme; Calm and Mindfulness sessions; A day of leave to volunteer for charity or dependent day; Regular Company Social Events; Yearly Development Retreat