Senior Backend Engineer

Location: San Francisco, CA (Near Powell BART)

Employment Type: Full-time

Work Arrangement: Hybrid (3 days/week in-person in SF)

About the Role

Our client, is building the "world's sell anything platform," enabling entrepreneurs and marketing teams to instantly build, test, and grow online businesses and campaigns. Think of them as the GTM (Go-to-Market) platform for entrepreneurs, with customers including major brands (like Tums). The company has raised over $8.4 million from investors like Figma, YCombinator, and Vercel, and has achieved Series A/B metrics on a seed-stage cap table.

They are hiring a Senior Backend Engineer to take on key technical ownership, focusing on the system architecture behind their most popular, high-scale products. This role requires deep expertise in distributed systems and a passion for engineering excellence in a fast-paced environment.

Things You'll Be Working On

Founding Software Engineer (AI Evaluation Infrastructure)

Location: San Francisco, CA (FiDi)

Employment Type: Full-time

Work Arrangement: On-site (6 days a week in office)

About the Role

Our client, is a high-growth AI startup that is building the most complex infrastructure for frontier data creation and evaluation for LLMs and AI Agents. They work with all five of the leading AI labs and top-tier YC companies, reflecting their sharp growth rate and talent density. The company is backed by $3 million in funding and features a founding team from rigorous environments like Citadel Securities, Google, and Meta.

They are seeking a Founding Software Engineer for a high-impact, non-narrow role with end-to-end ownership. You will operate across the full stack and infrastructure, contributing directly to systems that push the frontier of AI evaluation.

What You’ll Do

About us

Navarino is an innovative global technology company with offices in Greece, Norway, Germany, Cyprus, the United Kingdom, Hong Kong, USA, UAE, Japan and Singapore. We develop technology solutions for the shipping industry and are a leader in our sector. Our R&D and engineering departments focus on building and enriching our product portfolio, with specialized software and services that we develop in-house.

We pride ourselves on our people and culture. We encourage innovative thinking, teamwork, and excellence. Our committed people, our values and ways of working create a dynamic, professional, fun, and family-oriented environment which delivers high value and excellence to our customers. 

What will you be doing?

As the Head of Data & AI, you will play a transformational role at the heart of our business strategy. You’ll help define and drive our enterprise-wide data and AI vision, ensuring that we unlock the full potential of our information assets to create measurable business impact.

In this pivotal leadership role reporting directly to the CTO, you will:

Senior Infrastructure Software Engineer (Medical AI Platform)

Location: Miami, Florida Employment Type: Full-time Work Arrangement: Hybrid (In the new Miami, FL office)

About the Role

Our client is the world's leading AI medical information platform, valued at $1 billion and backed by investors including Sequoia Capital and the Mayo Clinic. Their platform is used by healthcare providers worldwide to deliver accurate, sourced, and cited answers from peer-reviewed medical literature at the point of care.

They are seeking a Senior Infrastructure Software Engineer to join the Core Engineering team. This is a mission-critical role with significant technical scope and direct patient impact. You will architect and scale the entire infrastructure ecosystem, handling sensitive medical data at scale while ensuring the platform is both highly innovative and extremely reliable.

Responsibilities

Founding Engineer (API Infrastructure, Insurance FinTech)

Location: San Francisco, CA

Employment Type: Full-time

Work Arrangement: On-site

About the Role

Our client is a venture-backed startup with enormous momentum, building the infrastructure layer for Property & Casualty (P&C) insurance. They are often described as "Plaid for Insurance," aiming to modernize the highly fragmented, analog, and manual workflows of the $2T global P&C industry through a simple, modern API. The company has already grown revenue 3x year-to-date in 2025.

They are seeking two highly autonomous engineers (employee #5 and #6) to play a foundational role. This position involves owning the design and implementation of a robust, API-driven product and helping define the future architecture and company culture.

Responsibilities

Staff/Senior/Principal Software Engineer (Elixir/AI)

Location: Remote (Company based in Salt Lake City, UT)

Employment Type: Full-time

Work Arrangement: Remote (occasional travel requested)

About the Role

Our client is the leading AI tool for wealth managers and financial advisors, automating critical tasks like notetaking, compliance, and CRM updates. They have secured $25 million in total funding and are trusted by enterprise firms.

They are seeking a high-caliber Software Engineering Leader (Staff, Senior, Principal) to join their small, high-velocity team. This role requires full ownership of feature development—from design through deployment—within their highly scalable, distributed Elixir ecosystem. You will be instrumental in building and enhancing their core AI-powered capabilities.

What You’ll Do

Software Engineer (Full-Stack, Legal Tech AI)

Location: New York, NY (Flatiron)

Employment Type: Full-time

Work Arrangement: Hybrid (4 days/week in-person)

About the Role

Our client is a rapidly growing legal tech company (10x growth since launch in April 2024) backed by top-tier firms like Sequoia and Redpoint. Their mission is to make justice radically more accessible by building the infrastructure to automate administrative legal work, starting with personal injury. They combine expert operations with purpose-built AI to handle everything from client intake to demand management.

They are looking for a product-minded Software Engineer who wants to solve high-impact problems with urgency and ownership. You will be instrumental in turning the chaos of paper-based legal bottlenecks into clarity using well-designed systems and thoughtful software.

What You’ll Do

Member of Technical Staff - Applied AI / ML Engineer

Location: San Francisco, CA (Union Square)

Employment Type: Full-time

Work Arrangement: On-site 5 days a week

About the Role

Our client is a GenAI-native platform that automates complex tax document processing, serving top accounting firms and wealth management offices. The platform was recently acquired by Thomson Reuters and is operating as a fast-paced, high-growth startup within a larger structure.

They are seeking an exceptional Member of Technical Staff (MTS) focused on ML Product. This is a high-ownership role crucial for scaling their platform to millions of documents, requiring strong fundamental understanding of how to build, measure, and iterate on commercial ML systems for the enterprise.

What You’ll Be Doing

Full Stack Engineer (Frontend-Leaning, Cloud Infrastructure)

Location: NYC

Employment Type: Full-time

Work Arrangement: On-site 5 days/week

About the Role

Our client, a high-growth cloud infrastructure company backed by $13.5 million from Google Ventures, is on a mission to build a dedicated CI (Continuous Integration) cloud. They provide cloud infrastructure to help companies run their GitHub Actions substantially faster and cheaper, orchestrating millions of VMs each month over their own fleet of bare metal hardware. They've achieved $3M ARR with a small team and are growing extremely fast.

They are looking for a Full Stack Engineer who is strongly frontend-leaning (50-90% focus) but comfortable working on the backend. This high-impact role involves working closely with design to build the polished, high-performance UIs that manage complex infrastructure.

What You'll Do

Founding Software Engineer

Location: Los Angeles, CA (Sawtelle)

Employment Type: Full-time

Work Arrangement: Hybrid (On-site with remote flexibility on Fridays)

About the Role

Our client is an early-stage AI company with $6 million in seed funding, building the future of customer research. Their platform uses AI agents to create studies, conduct interviews, and extract meaningful insights, enabling teams to understand their customers faster than traditional methods. The founding team consists of product and technical leaders from Reddit, Twitter, and Nextdoor, emphasizing a strong "product-first" philosophy.

They are seeking a Founding Software Engineer to take on significant product ownership. This is a high-agency, full-stack role where you'll contribute to product definition, engineering, and company culture from the ground up.

What You'll Do