Full Stack Engineer

Why join ezyCollect by SidetradeezyCollect is part of Sidetrade, a global B2B SaaS leader in Order-to-Cash solutions, helping organisations accelerate cash flow through AI-powered automation and data-driven insights.Founded in Australia, ezyCollect now operates as Sidetrade's SMB and mid-market offering, with deep expertise in the Food & Beverage and Wholesale industries. The platform integrates with leading accounting and ERP systems including MYOB, Xero, NetSuite and SAP, automating the invoice-to-payment process and helping businesses get paid on time — every time.Together, we manage billions in receivables for customers globally, reducing overdue invoices by an average of 43%. The acquisition brings together Sidetrade's global scale and advanced technology with ezyCollect's strong product, local market knowledge and customer relationships.We are investing heavily in expansion across Australia, North America and Europe, creating new opportunities for our customers, our products, and our people. Today, the ezyCollect by Sidetrade team operates as part of a global organisation, combining international opportunity with real ownership, impact and a strong people-first culture.Full Stack EngineerWhy this role existsWe ship with lean teams. Engineers here do the thinking, scoping, building, testing, and shipping. This role exists to help us move faster end-to-end: delivering customer-facing features in the UI, implementing the backend and integrations behind them, and owning quality through to production.You'll work across frontend and backend, collaborating closely with Engineering and Product, and growing into deeper ownership over time.What this really means day to dayShip end-to-end. Deliver features that span UI → API → service logic → data/integrations, with a focus on small, safe releasesShape the work. Partner with a PM or stakeholder to clarify the problem, define scope, and write/refine tickets. Break work into milestones that can shipDesign first (lightweight). Produce clear, simple design notes/diagrams. Make sensible trade-offs and communicate them earlyBuild it well. Write clean code, factor thoughtfully, and keep the blast radius small. You're comfortable moving across services and UI layers as neededOwn quality end-to-end. Write tests at the right levels (unit/integration/UI), define acceptance criteria, and do targeted manual checks. You validate the feature you built (happy path + edge cases) and ensure it's production-ready. Use feature flags and progressive deliveryOperate in production. Ship via CI/CD, watch metrics/logs, help root-cause issues, and contribute to post-mortems with follow-throughCommunicate like a pro. Share updates async, demo work, and keep stakeholders unblocked without hand-holdingRole requirements4+ years of experience in software development (or equivalent)Delivering production features across backend and frontend in a SaaS environmentProficiency in backend development, including:Java + Spring / Spring BootBuilding and maintaining APIs (REST/JSON; familiarity with API design principles)Working with microservices and/or modular service architecturesUnderstanding of secure, scalable, resilient cloud-native solutionsProficiency in frontend development, including:Modern web UI development (React preferred; or equivalent framework)Component-based development, state management fundamentals, and UI/API integrationDebugging and performance-minded implementation (rendering, network, error handling)Testing & Quality (required):Strong unit testing skills (backend and/or frontend, depending on the component you're working on)Quality mindset: tests are part of delivery, not an afterthoughtAbility to define acceptance criteria and validate the feature delivered (happy path + edge cases)Comfortable executing targeted manual checks when appropriateFamiliarity with:Event-driven / decoupled architectures (messaging, async workflows, idempotency basics)AWS fundamentals (e.g., S3, SNS/SQS, Lambda—depending on the squad stack)Fluent English communication skillsDesirable Qualifications (the More The Better)Experience in fast-paced FinTech or B2B SaaS environmentsExpertise in designing APIs as modular building blocks for future productsExposure to workflow/orchestration platforms (e.g., Temporal, Step Functions)Experience with modern User and API authentication/authorisation (JWT, OAuth/OIDC concepts)Working experience with Kubernetes and containerised deploymentsExperience with observability tooling (logs/metrics/tracing), feature flags, and incident follow-upAI-enabled development: hands-on experience using AI tools to accelerate development (e.g., code assistants, prompt-driven debugging, test generation, documentation/design drafting), with good judgement on validation, security, and correctness.The ideal candidateDemonstrated ability to write clean, maintainable, and well-crafted code across FE and BEStrong quality mindset: unit tests and validation are part of the definition of doneOpen to giving and receiving feedback in a collaborative environmentSkilled at managing competing priorities and delivering resultsAnalytical, data-driven decision-making approachComfortable owning problems end-to-end and making pragmatic trade-offsSome of our benefits and perks:Enjoy the flexibility of a fully remote, work-from-home roleHealth insurance allowance4 weeks annual leave per year2 weeks sick/carer's leave per yearGenerous parental leave policy & other leave allowances (i.e. compassionate leave, bereavement leave, emergency leave, etc.)WFA policyAnnual Training BudgetEmployee SWAGQuarterly Social Team EventsMonthly Virtual EntertainmentHaving a large impact, a small team, and helping shape the future of ezyCollect by SidetradeJoining a passionate team that rewards the right behavioursBeing part of an international businessWorking with a product that customers love >1,200 customers in >18 countriesDedicated training and coaching to help facilitate your career growthInsight/access into multiple facets of the business, giving a unique level of experienceFun, collaborative and supportive work environmentPowered by JazzHR3UWMa4pjMH