Senior Ruby Engineer (AI-Assisted Development) at CreditorWatch

Sydney, New South Wales, Australia -

Full Time

Start Date

Immediate

Expiry Date

01 Jul, 26

Salary

0.0

Posted On

02 Apr, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Ruby on Rails, Sidekiq, AWS ECS, Domain-Driven Design, CI/CD, AI-Assisted Development, Security Best Practices, Technical Mentorship, Production Debugging, Performance Tuning, Observability Tools, Collaboration, Problem Solving, Structured Thinking, Growth Mindset, Proactivity

Industry

Financial Services

Description

Who are we? So you might ask, who's CreditorWatch? Well, we are a leading Australian data and technology company that provides businesses with access to unique data and innovative products. By using our platform, our customers can confidently manage their commercial relationships, improve productivity and reduce financial risk. As a commercial credit reporting bureau, we offer a complete suite of credit reporting products and data insights covering the entire customer lifecycle, from customer onboarding and credit decision automation to credit risk management and automated collections. We were established in 2010 and most recently were named as one of AFR's Top 10 Best Places to Work as well as certified by Great Place to Work consecutively across 2022-2025. We saw significant growth in 2025 and that's not about to change. We are on track to break records in 2026, scaling at pace, making this the perfect time to join CreditorWatch. Our Purpose ✅ Empower Australian businesses to trade confidently with their customers. Our Mission 🏆 We aim to be number one in our industry by delivering unique data insights and innovative products. Your Role & Team We’re looking for a Senior Ruby Engineer to join the team building Collect - CreditorWatch’s accounts receivable automation and cash‑flow optimisation platform. As part of a small R&D team, you’ll work closely with product managers, a product designer and engineers to deliver features that directly impact customers. You’ll take end‑to‑end ownership of work - from solution design through to production and iteration - building on a modern Ruby on Rails / Sidekiq platform running on AWS ECS (Fargate). You’ll apply Domain‑Driven Design, contribute to and improve our CI/CD practices, and embrace AI‑assisted development tools to increase quality and delivery speed, while also supporting other engineers. This role reports directly to the Engineering Manager and is a full-time opportunity offering hybrid working conditions out of our Sydney CBD Office. Some of your responsibilities include and are not limited to: End‑to‑end ownership: Drive initiatives from concept through to production Cross‑functional collaboration: Work closely with product, design and engineering teams to deliver meaningful outcomes Architecture & system design: Design and evolve system boundaries, events, and integrations for the platform using DDD (Domain Driven Design) Backend engineering: Build and maintain services using Ruby on Rails and Sidekiq, with reliability, security, scalability, performance and observability in mind AI‑assisted development: Embrace modern AI tools to improve productivity Security champion: Advocate for security and privacy best practices from secure handling of sensitive data to safe usage of third-party dependencies. Technical mentorship: Mentor mid‑level and junior engineers through pairing, code reviews and design discussions. Our ideal candidate Growth mindset: Open to feedback and continuous learning Team player: Comfortable collaborating across product and engineering teams Proactive: Identify problems, propose options, and drive solutions forward with team buy‑in Pragmatic: Make thoughtful trade‑offs between speed, quality, and long‑term maintainability Structured thinker: Comfortable navigating ambiguous requirements and creating clarity for others Operational excellence: Production debugging, performance tuning and observability tools (e.g. Datadog or similar) Ruby on Rails experience: 5+ years building and operating production Rails applications, including background job processing with Sidekiq AWS ECS experience: 2+ years of hands‑on experience with AWS ECS (Fargate) in production environments Domain‑Driven Design: Working knowledge of DDD principles and how to apply them More than just work 🏃🏽‍♀️ Keep Active – All employees get a Fitness First Platinum gym membership. ☕️ Daily Fuel – Barista-made coffee, breakfast, snacks, lunches and drinks on us – we got you! 📲 Phone Credits - We pay you $50 per month to put towards your plans - how good. ❤️‍🩹 Wellness Days – Receive an additional day off each month. Whether you’re pursuing physical activities, cultivating your mental wellbeing or supporting your community… this is your time to switch off from work. 💆🏽‍♂️ Monthly Massages – We offer monthly in-house massages to soothe those sore spots and tight knots. Poor posture? Stressful week? We get it. 💰 Bonus Shares – We offer our dedicated employees’ performance-based bonuses. Our employees are also permitted to gain access to our bespoke Employee Share Scheme, giving you the rare opportunity to invest in a growing technology company. 🤩 Fun Activities – We love escaping the workplace to do fun stuff. Whether its pasta-making, sailing classes, touch footy, winery tours, go karting or relaxing on the company boat (yeah… we own a boat) – these monthly team building activities will keep you feeling valued and connected. 👩🏻‍⚖️ Legal Services – Our employees get access to free legal services – from conveyancing and property advice to legal assistance around wills, trusts, powers of attorney and more. We make life easier for you, saving you time, money and unnecessary headaches. Our Values ⚡️ The 1%’ers add up – Our commitment to going that one step further sets us apart, as we believe that small efforts or improvements in any aspect of our work collectively lead to significant success. 👊🏼 We are dependable and trustworthy – Our clients are everything to us and we are passionate about maintaining and delivering reliable and trusted services to them. 📈 We are committed to growth – Our success comes from our ability to grow and adapt; both collectively and individually. We set the bar high to ensure we continue to innovate and exceed expectations. We are dedicated to the development of our business and our people. 🫶🏾 Our people make the difference – Just as we help small businesses think big, we help our employees achieve their aspirations. We provide our people with challenges and opportunities, supporting them to live their best lives. We are committed to you We offer a fantastic culture with open communication and rewards and recognition that include probation celebrations, all-staff birthday and service anniversary celebrations. We are an equal opportunity employer and committed to excellence through diversity. We do not discriminate on race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are a 2024 Circle Back Initiative Employer – we commit to respond to every applicant.

Responsibilities

The Senior Ruby Engineer will take end-to-end ownership of initiatives, collaborating closely with product managers, designers, and engineers to deliver impactful features. Responsibilities include system design, backend engineering, and mentoring junior engineers.