The role involves owning the technical vision and architecture of complex systems, leading projects, mentoring others, and driving technical excellence.
Who is Plenti?
Plenti is a fintech lender, providing faster, fairer loans by leveraging its smart technology. Plenti is a dynamic and innovative business that is growing strongly. By continuing to deliver better customer experiences, Plenti is taking market share from incumbent players in the personal lending, renewable energy, and automotive finance markets.
We are a fast moving and ambitious business that seeks to recruit smart and capable people, who can take ownership of their role to help the business thrive. With over 250 people based in Australia, Plenti is of a size where everyone can make a difference in their role and help us realise our very big ambitions as a team, as we go about building Australia’s best lender.
Plenti is a founder led business that launched in 2014, listed on the ASX since 2020 with annual revenue of over $250 million and a loan portfolio of over $2.5 billion.
About the Role:
The Senior Staff Software Engineer is a principal-level individual contributor and the foremost technical authority within a critical business or technology domain. This role transcends project-level execution to own the long-term technical health, scalability, and strategic evolution of our most complex systems. The Senior Staff Engineer combines the exemplary execution capabilities of a Staff Engineer with deep, authoritative domain ownership, acting as a technical pillar for the organisation by setting the vision for their area and cultivating deep expertise in others.
Key Responsibilities:
● Domain Ownership & Vision: Own and articulate the long-term technical vision, strategy, and multi-year roadmap for a critical and complex domain, ensuring it is prepared for future business needs
● Architectural Stewardship: Act as the primary architectural authority for your domain. You will make key design decisions to ensure its solutions are scalable, resilient, and sustainable, while ensuring these decisions align with—and help evolve—the broader organisational standards and patterns championed by the Software Architect
● Lead Foundational Projects: Lead the hands-on design and implementation of foundational projects that are technically ambiguous, high-risk, or fundamentally refactor the core logic of your domain
● Exemplary Project Execution: Perform all duties of a Staff Engineer, such as leading complex projects (both within and outside your domain), solving ambiguous problems, and ensuring high-quality delivery
● Cultivate Deep Expertise: Mentor other senior and staff-level engineers to build deep domain expertise, effectively acting as the "chief educator" for your systems and business logic
● Set the Technical Bar: Drive technical excellence and champion best practices within your domain, setting the standard for quality, performance, and operational readiness
About You:
● 10+ years of experience in software engineering, with a proven track record of becoming a recognised expert in a complex software domain
● Demonstrated experience in leading the architecture and rewrite of complex, business-critical systems
● Mastery of full-stack development in .NET (C#) and proficiency in modern front-end technologies (e.g., React)
● Deep, authoritative knowledge of event-driven architectures, microservices, and domain-driven design principles, and a history of applying them to solve major architectural challenges
● Exceptional and deep domain knowledge in a relevant business area
● Proven ability to mentor other senior engineers effectively and influence technical direction through expertise
● Strong understanding of database management (SQL Server/PostgreSQL) and cloud platforms (e.g., Azure, AWS)
What's life like at Plenti?
Working at Plenti means joining a team that is high-performing, diverse, customer-focused and collaborative. It’s a place where everyone can “make it happen” and share in the results and success. If being in a dynamic industry as part of a market-leading fintech sounds like you, then join to help us reshape Australia’s financial eco-system for the good.
In return, you will enjoy a culture of innovation and entrepreneurship to take your career further. We offer flexible working and volunteer and study leave to develop your skills. We also have monthly social events, office snacks, company Townhalls and D&I initiatives and events to help you connect with your colleagues.
Plenti is committed to a diverse and inclusive workforce.
We encourage people from different backgrounds to apply, including Aboriginal and Torres Strait Islander people and people with disabilities. When you apply, let us know of any reasonable adjustments you may need during the interview process so we can accommodate you.
Top Skills
.Net (C#)
AWS
Azure
Postgres
React
SQL Server
Plenti Sydney, New South Wales, AUS Office
14 Martin Pl, Level 5, Sydney, New South Wales , Australia, 2000
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