• Installation, configuration, and updates of applications on servers (Windows/Linux) • Monitoring systems and early detection of issues • Application-level access management: administration of roles and permissions specifically for application users • Performance tuning: analysis and optimization of SQL queries, index design, execution plans, and query performance • Ensuring high system availability (uptime) • Incident management – rapid response to outages and development of emergency procedures • Implementation of security policies, patch management, access controls, and identity management

Welcome to the Agentic Commerce EraAt Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI-driven commerce ecosystem. As the parent company of BigCommerce, Feedonomics, and Makeswift, we connect the tools and systems that power growth, enabling businesses to unlock the full potential of their data, deliver seamless and personalized experiences across every channel, and adapt swiftly to an ever-changing market. Simply said, we help businesses confidently solve complex commerce challenges so they can build smarter, adapt faster, and grow on their own terms. If you want to be part of a team of bold builders, sharp thinkers, and technical trailblazers, working together to shape the future of commerce, this is the place for you. BigCommerce, part of the Commerce brand family, helps merchants increase sales at every stage of their growth. From small startups to mid-market businesses and large enterprises, we provide the leading e-commerce platform. Our customers can then concentrate on what's most important: growing their businesses. We enable our customers to build, innovate, and grow, collectively reshaping the e-commerce industry. Commerce is looking for a seasoned Senior Software Engineer - Ruby to join our Core Payment Engineering team. This team is responsible for building the systems that handle mission-critical payment processing for merchants around the globe. You’ll work closely with product managers, engineers, and infrastructure teams to build scalable and secure backend services. This role is ideal for someone with a strong engineering foundation, excellent communication skills, and a passion for working on production-grade systems in a high-impact domain like ecommerce payments. The Core Payment Engineering team builds and maintains the foundational systems that power all payment flows on the BigCommerce platform. We focus on reliability, extensibility, and correctness to ensure that merchants can accept payments seamlessly and securely, no matter where they operate or who they sell to. Our work spans payment configuration, authorisation and refund flows, observability, correctness, and performance of critical services. We are trusted custodians of one of the most sensitive and business-critical parts of the platform, directly supporting revenue for merchants and smooth checkout experiences for millions of shoppers around the world. What You’ll Do: - Design, implement, and maintain features in a Ruby on Rails service for the payments offering on the BigCommerce platform - Ensure functionality is production-grade, with the appropriate test coverage on all layers, instrumentation in place, and documentation - Troubleshoot production issues and contribute to post-incident reviews to improve reliability - Produce bullet-proof code that is robust, efficient, and maintainable - Work on challenging problems such as query optimization and performance optimization while adhering to security protocols - Work closely with operations and infrastructure to improve the architecture while building and scaling back-end services - Engage in technical discussion of new solutions and architectures - Participate in code reviews to maintain and improve quality - Mentor other engineers in the current domain - Build beautiful, scalable products using modern tools - Collaborate with our product and design teams to define feature specifications and timelines - Build new features with a focus on testability and extensibility - Engage in technical discussion of new solutions and architectures - Review other engineer’s code to maintain and improve quality and security - Support an open, positive, and energized culture - Encourage innovation and foster an environment of continuous improvement - Ensure that technical decisions support our goals of quality, performance, scalability, reliability, availability, and security Who You Are: - 5+ years of professional backend development experience, with a strong focus on Ruby on Rails - Solid understanding of building and operating production-grade systems (e.g. you know your way around logs, traces, metrics, feature flags, and can debug live traffic issues) - Familiarity with observability tooling (e.g. Prometheus, Grafana, Sentry and Lightstep) - A good understanding of Domain Driven Design - Demonstrated experience integrating with third-party APIs and services, particularly those with nuanced state transitions (like payment flows). - Education: Preferred Minimum Bachelor's degree in CS, EE, SW, CE, MIS; or equivalent experience or completed either a comprehensive software engineering boot camp - Extensive experience with principles of continuous integration and designing, implementing and taking ownership of various tasks across the development cycle - Experienced in developing high-performance, scalable and available web services, and applications - A team player who works closely with stakeholders, pod leaders, and other teams to promote communication and collaboration - Enjoy working on solving challenging problems in a fun, collaborative environment. - Highly proactive and results-oriented with excellent critical thinking and communications skills. - Excited to learn about new technologies - Experience with eCommerce and SaaS platforms is highly preferred Work Where You Thrive For candidates based in the Sydney Metro area, this role follows a hybrid work model, with three days per week in the office to balance focused individual work and meaningful in-person collaboration. #LI-GC1 #LI-REMOTE Inclusion and BelongingAt Commerce, we believe that celebrating the unique histories, perspectives and abilities of every employee makes a difference for our company, our customers and our community. We are an equal opportunity employer and the inclusive atmosphere we build together will make room for every person to contribute, grow and thrive. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the interview process, to perform essential job functions and to receive other benefits and privileges of employment. If you need an accommodation in order to interview at Commerce, please let us know during any of your interactions with our recruiting team. Learn more about the Commerce team, culture and benefits at https://www.commerce.com/careers/ Protect Yourself Against Hiring Scams: Our Corporate Disclaimer Commerce, along with many other employers, has become the subject of fraudulent job offers to hopeful prospective job seekers. Be advised: Commerce does not offer jobs to individuals who do not go through our formal hiring process. Commerce will never: - require payment of recruitment fees from candidates; - request personally identifiable information through unsanctioned websites or applications; - attempt to solicit money from you as part of the hiring process or as part of an employment offer; - solicit money to complete visa requirements as part of a job offer. If you receive unsolicited offers of employment from Commerce, we urge you to be extremely cautious and avoid engaging or responding.

• Further development and modernization of our in-house e‑commerce platform (Legacy .NET → modern stack) • Implementing new features: product catalog, payment and shipping integrations, campaign and discount logic • Active participation in the stack migration towards modern frontend frameworks (React / Vue) • Integration of AI/LLM functionalities into existing and new modules • Analyzing and optimizing existing modules: performance, maintainability, and usability

Who we’re looking for: As a Backend Software Engineer, you'll join a small, full-stack team building tools for General Contractors to improve their daily workflow. You’ll be supporting a mix of greenfield features as well as parts of our more mature product. What you’ll be doing: · Closely working with our product team to quickly build features in an innovative new product area. · Developing seamless integrations with third-party systems, as well as weighing tradeoffs between potential third-party partners for future integrations. · Working with frontend and mobile developers to design clean, performant APIs. · Actively participating in the daily discussions with the team on technical designs, product vision, and prioritization. · Understanding and setting reasonable and attainable technical goals and milestones. You might be a good fit if you: · Have 5+ years of relevant industry experience as a backend or product engineer. · Have led multi-month projects end-to-end, from technical design through launch. · Are proficient in Ruby on Rails. · Have hands-on experience with AWS. · Have a strong product sense - you think about the user experience even when writing backend code. · Can navigate ambiguity and make sound technical decisions independently. · Communicate effectively across functions and can translate between product requirements and technical implementation. · Care deeply about code review, code quality, and testing. · Have comfort using AI tools as part of the daily workflow. · While not required, ideally have some knowledge of frontend frameworks like Angular. Even if you don’t meet all of these requirements, we encourage you to apply! Compensation: The estimated pay ranges for this role are as follows: $145,000 - $170,000 The salary range represents the low and high end of the salary range for this job in the US. Minimums and maximums may vary based on location. The actual salary offer will carefully consider a wide range of factors such as your skills, qualifications and experience. In addition to the salary you may be eligible for a corporate bonus, which can range up to 30%. Why Fieldwire? The field-first construction platform for less busywork and more building. Trusted on 4M+ projects worldwide, Fieldwire by Hilti gives crews reliable access to plans, tasks, and updates on one simple platform. It unites the field and office around a single, transparent source of truth, keeping teams aligned from start to finish. Designed for easy adoption, crews gain real-time visibility into progress, clear ownership of work, and the context to make confident decisions. As part of the Hilti Group, Fieldwire combines deep construction expertise with modern digital innovation to deliver better outcomes on every job. Learn more at Fieldwire.com. Where is the job located? This role is fully remote within the US or in beautiful San Francisco, CA. Our office is centrally located right off of Embarcadero Bart station. Easily accessible by all forms of public transportation. -- Fieldwire is proud to be an Equal Opportunity Employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status or any other characteristic protected by law.