Senior Software Engineer, Platform

<div class="content-intro"><p class="xmsonormal">Backed by leading Silicon Valley investors, Peregrine helps the world’s most complex organizations solve their hardest problems with unprecedented speed and accuracy. Our AI-enabled platform turns siloed and disconnected data into operational intelligence—instantly surfacing mission-critical information to empower better, faster decisions that improve outcomes at every touchpoint. Today, Peregrine supports hundreds of customers across 23 states and two countries, serving more than 90 million people—and we’re amplifying our impact as we expand into more industries.</p> <p class="xmsonormal">We’re a team of entrepreneurs—undaunted by the hard problems and united by a passion to make a difference where it matters most. We collaborate relentlessly, move with urgency, and act with purpose. If you’re driven by mission and energized by the opportunity to build something new, join us in defining Peregrine’s future.</p></div><h2 class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Team</strong></h2> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">As an engineering team, we believe strongly that empathy improves our solutions. Seeing how people use the product is a priority and the way we get to the right answer. Engineers will have the opportunity to work closely with our team onsite to understand the variety of use cases that Peregrine serves.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">The Foundations team consists of detail-oriented engineers driving innovation and enhancing performance through technical excellence and a focus on results. We own the performance of Peregrine's mission-critical infrastructure as well as the high-risk, platform-spanning initiatives that create unmatched new capabilities.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">We value both ownership and collaboration—you will take full responsibility for major features and work closely with other engineers to drive them to completion. We believe that humility and empathy are essential for building the right solutions—you will collaborate directly with our deployment team and users as we iterate to solve their problems. Perseverance and creativity are crucial to executing our vision.</p> <h2 class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>Role</strong></h2> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">As the first Software Engineer in the UK, you'll have vast ownership across our stack, making decisions that will have an outsized impact for years to come.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">You'll push the boundaries of what a data platform can do by creating novel capabilities that span the platform and optimizing subsystems to achieve order-of-magnitude improvements in performance. You will work on projects such as re-architecting our Elasticsearch cluster, taking response times from seconds to milliseconds; and owning other strategic initiatives that deliver industry-leading platform performance and capabilities.</p> <p class="font-claude-response-body break-words whitespace-normal leading-[1.7]">Our stack is constantly evolving but based on a backend foundation of Python, Django, Celery, Airflow, and Kafka; a frontend built in React, Redux, and Mapbox; data stores including PostgreSQL and Elasticsearch; machine learning models hosted in Bedrock and Sagemaker; and with AWS, Pulumi, Terraform, and Kubernetes as our underlying infrastructure.</p> <h3 class="font-claude-response-body break-words whitespace-normal leading-[1.7]"><strong>About you</strong></h3> <ul class="[li_]:mb-0 [li_]:mt-1.5 [li_]:gap-1.5 [:not(:last-child)_ul]:pb-1 [:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-2 pl-8 mb-3"> <li class="whitespace-normal break-words pl-2">D ... (truncated, view full listing at source)