Requirements

Excellent pragmatic engineering skills
5+ years experience in a production environment, with contributions to the design and architecture of distributed systems
Strong experience with at least one major production datastore or search system, with Elasticsearch being especially relevant for this role
Good judgment around Elasticsearch in real-world systems, such as index and mapping design, cluster operations, scaling patterns, performance tuning, or migrations
Expertise in backend technologies such as MySQL, Memcached, as well as Linux
Ideally, you’ve supported scaling a SaaS product in a previous role and loved the satisfaction that comes with knowing that people around the world are using something you’ve created
Significant, demonstrated impact that your work has had on the product and/or the teams you worked with
Proficient with standard software engineering methodologies, e.g. unit testing, object-oriented design, data structures, code reviews, design documentation, and utilising observability tooling
Understanding of modern web apps and distributed systems, along with an ability to articulate technical challenges and solutions
Experience as a technical lead for large multi quarter projects and programs including defining the roadmap
Ability to learn quickly, iterate, unblock yourself, and persist until the right problem is solved

What You'll Be Doing

Own high-impact work on Elasticsearch at scale, including index design, shard and partitioning strategy, cluster health, performance tuning, safe migrations, and operational excellence
Collaborate with world-class domain experts to shape our technical direction and infrastructure as we grow
Deeply own aspects of our infrastructure at Fin and autonomously executing on high impact projects - including writing application code, automating systems, improving observability and low-level tuning of datastores used in production, test and development across Fin
Value agility and simplicity, just as you prioritise scalability and uptime. Our continuous deployment approach ensures focus on gradual improvements. Major accomplishments are introduced incrementally, staying under the radar with feature flags
Contribute to all phases of software development including ideation, prototyping, design and implementation. This role has a mix of both hands-on development as well as strategic work and enablement
Play an active role in the hiring, mentoring, and career development of other engineers
Raise the bar for technical standards, performance, reliability, and operational excellence across Fin

Competitive salary and equity in a fast-growing start-up
We serve lunch every weekday, plus a variety of snack foods and a fully stocked kitchen
Regular compensation reviews - we reward great work!
Unlimited access to Claude Code and best-in-class AI tools; experimentation & building is encouraged & celebrated
Pension scheme & match up to 4%
Peace of mind with life assurance, as well as comprehensive health and dental insurance for you and your dependents
Flexible paid time off policy
Paid maternity leave, as well as 6 weeks paternity leave for fathers, to let you spend valuable time with your loved ones
If you’re cycling, we’ve got you covered on the Cycle-to-Work Scheme. With secure bike storage too
MacBooks are our standard, but we also offer Windows for certain roles when needed