Senior Principal Engineer – Product Engineering

Pepperstone

. Define the multi-year architecture for client-facing products, including trading platform, WebTrader, mobile apps, Client Area, payments and websites .

Posted 10/31/2026full-timeMelbourne • AustraliaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in designing and building large-scale software systems, with a focus on client-facing technology and AI-powered features. Proven ability to lead technical direction, communicate complex decisions, and mentor senior engineers in a fast-paced environment.

Highest-signal resume keywords

Large-Scale Software DesignAI-Assisted EngineeringTechnical LeadershipClient-Facing TechnologyPerformance and Reliability Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Production Code WritingPrototyping SolutionsAPI DevelopmentReal-Time SystemsDistributed Back-End ServicesData Store ManagementSystem MigrationArchitectural StandardsContinuous DeliveryTechnical Judgement

Soft Skills

Clear CommunicationMentoringInfluencing Without AuthorityProduct Thinking

Tools & Technologies

AI Coding ToolsLLM APIsAgentic Frameworks

Industry Keywords

FintechSaaSTrading PlatformsBrokerageCapital MarketsPaymentsCrypto

About the role

Key responsibilities & impact

Define the multi-year architecture for client-facing products, including trading platform, WebTrader, mobile apps, Client Area, payments and websites
Guide teams through complex technical trade-offs and align them around a clear technical direction
Work directly on critical systems by writing production code and prototyping new approaches
Lead complex engineering challenges involving performance, reliability, large-scale migrations and systemic quality
Use AI coding and agent tools in day-to-day engineering
Establish patterns, workflows and guardrails for AI-native engineering across product teams
Help shape AI-powered features that deliver value for clients
Set standards across architecture, APIs, front-end, mobile, testing, observability and continuous delivery
Act as a trusted technical advisor to the CTO and senior Product and Technology leaders
Communicate technical trade-offs clearly and provide senior technical leadership
Report directly to the CTO

Requirements

What you’ll need

Extensive experience designing and building large-scale software systems with proven Staff or Principal-level impact within a scaled consumer technology, SaaS or fintech environment
Deeply hands-on experience writing and reviewing production code, prototyping solutions and working across the stack
Broad experience across client-facing technology, including web, native mobile, APIs, distributed back-end services, data stores and real-time systems
Understanding of building real-time, highly available products and maintaining performance and reliability during peak demand
Practical production experience with AI, including AI-assisted engineering, LLM APIs, agentic frameworks and evaluation
Experience influencing technical direction across multiple teams without direct authority
Experience leading significant migrations or re-architecture initiatives across live systems
Strong technical judgement and product thinking
Ability to communicate complex technical decisions clearly to engineers, executives and non-technical stakeholders
Experience mentoring other senior engineers
Experience across trading platforms, brokerage, crypto, capital markets or payments is valuable but not essential

Benefits

Comp & perks

Competitive salary structure including company bonus scheme
Genuinely collaborative and friendly culture
Flexible and hybrid working
Remote working option - work from anywhere for up to 4 weeks per year, in addition to hybrid working as standard
Ongoing personal development & learning opportunities
15 weeks paid primary carers parental leave & 4 weeks paid secondary carers leave
3 paid volunteering days per year & Workplace Giving Program
Frequent events and celebrations including a standard weekly social
Best in class end of trip facilities including bicycle parking, change rooms & showers
A fully stocked kitchen, onsite coffee machines with locally sourced coffee beans and curated specialty teas