Senior Software Engineer

Senior Software Engineer (backend-leaning) – Nexl Nexl is a fast‑growing LegalTech company on an ambitious mission to elevate the business of law. We build an AI‑driven CRM and growth intelligence platform that brings a firm’s internal and external data together so lawyers, marketing, and business development can collaborate, spot opportunities, and grow revenue. Recognised by the Financial Times, Deloitte, and the Australian Financial Review as one of the fastest‑growing businesses, Nexl is trusted by 150+ firms globally. We recently closed a $23 million USD Series B led by Tidemark Capital, accelerating our mission to transform how law firms grow by uniting lawyers, marketing, and business development into a single growth engine. The Opportunity We’re scaling our Product & Engineering organisation and expanding our Sydney hub, and we’re looking for a Senior Software Engineer with strong backend depth in Ruby who wants to build, ship, and shape a global SaaS product used and loved by leading law firms around the world. This role is ideal for someone who naturally gravitates toward systems design, data flows, and backend architecture, but is still comfortable contributing to React/TypeScript when needed to deliver a full experience. You’ll work in a cross‑functional squad, partner with Product, Data, and fellow Engineers, and help evolve the reliability, performance, and scalability of Nexl’s platform. We’re looking for engineers who bring strong technical foundations, clear thinking, and a high level of ownership – people who raise the bar, embrace AI in their workflow, and enjoy taking complex problems end‑to‑end. What You’ll Own & Do Design and build backend services in Ruby on Rails Own technical initiatives end‑to‑end, from architecture → delivery → release Contribute to frontend work using React/TypeScript where required Improve platform performance, reliability, data integrity, and scale Collaborate with cross‑functional partners to shape solutions Enhance observability, monitoring, and incident response Use AI tools to accelerate backend development and documentation Mentor engineers and contribute to technical leadership Influence platform architecture and backend best practices What We’re Looking For Must haves: Strong experience with Ruby on Rails Experience scaling backend systems in production Ability to solve complex technical problems independently Strong understanding of reliability, APIs, and performance Ability to take ownership, operate autonomously, and drive outcomes Comfortable designing solutions for ambiguous or complex problems Strong collaboration and communication skills across engineering, product, and design Understands security best practices and writes secure code (authentication, authorization, data protection) Focus on performance and observability, can debug production issues and implement monitoring/alerting Growth mindset and a desire to continually raise the bar Fluency using AI tools as part of day‑to‑day engineering workflows Nice to haves Experience in multi‑tenant, data‑heavy applications Experience with GraphQL, gRPC, or real‑time communication protocols (WebSockets) Exposure to AI/LLM application development Experience working in cross‑functional squads Exposure to React Native or Python Familiarity with Marketing Tech, CRM‑like systems, or workflow automation products Experience in LegalTech or Professional Services tech Knowledge of DevOps practices, Infrastructure as Code or cloud infrastructure (AWS or Azure) Experience mentoring engineers or influencing engineering culture Experience in early‑stage or scale‑up environments Life at Nexl High growth. A scaling environment with autonomy, ownership, and visible impact. ESOP. Employee stock options so you share in the upside. Tools & tech. Modern, AI‑first ways of working to help you move faster and smarter, plus a work laptop. Birthday leave. Take a paid “Nexl Day” during the week of your birthday. Transparent by default. Fortnightly all‑hands with strategy, metrics, wins, and learnings. Purposeful connection. Team offsites and meet‑ups. Values‑led culture. Guided by The Nexler Way , our values and operating principles that define who we are, how we work, and how we win together. Our Values Committed to Care – We genuinely care about the work we do and the industry we do it for Human at the Core – Relationships and empathy guide everything we do Different with Purpose – We’re not afraid to stand out. We innovate boldly and deliberately Even if you don’t tick every box, if you’re excited about our mission, we’d love to hear from you. Seniority level Mid‑Senior level Employment type Full‑time Job function Software Development Location: Sydney, New South Wales, Australia #J-18808-Ljbffr