Company background

Established in 2006, Union Maritime Ltd has experienced rapid growth to become an international shipping group with offices in 3 continents and is at the forefront of the maritime industry, offering our customers cutting-edge transportation and logistics solutions.

We constantly push the boundaries of what is possible, leveraging the latest technologies and industry’s best practices to deliver unparalleled efficiency and reliability. Whether it's our innovative approach to cargo handling or our use of data analytics to optimise routes and logistics, we are dedicated to staying ahead of the curve.

We have a diversified vessel portfolio in the tanker and dry bulk sectors with a strong presence in clean products and light chemical market, a revenue in excess of $500m and a fleet of circa 80 vessels under management.

At Union Maritime Ltd, we don't just meet the needs of our customers; we anticipate them. Join us on the cutting edge of maritime innovation and experience the Union Maritime difference.

The position

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

Location: Remote (with occasional travel)

Base Location: Salt Lake City, UT, US

Employment Type: Full-time

Salary Range: $150K - $260K (Based on YOE; potential flexibility for more tenured candidates)

We are a rapidly growing, well-funded technology company trusted by enterprise clients, developing a leading AI-powered platform for a specialized professional sector. Join our small, highly efficient engineering team to take ownership of complex systems and ship features quickly in a high-velocity, modern tech stack environment.

We are looking for a Staff, Senior, or Principal Software Engineer with a strong background in software engineering leadership to drive the design, implementation, and reliability of our core product. You will take full ownership of features from concept to production in a distributed, modern stack.

What You’ll Do:

Staff Software Engineer, Machine Learning (LLM Backend)

Location: Burlingame, CA (On-site, 4 days/week)

Employment Type: Full-time

Salary Range: $145K - $250K

We are a rapidly growing AI technology company transforming mission-critical processes in the healthcare industry. We are seeking a Staff Software Engineer to architect and scale the secure, reliable backend systems that power our advanced Large Language Model (LLM) applications. This role requires expertise at the intersection of applied AI, distributed systems, and security/compliance in a regulated domain.

You will be responsible for pushing LLMs beyond demos into mission-critical, cost-efficient, and secure production healthcare workflows. This is a technical leadership role driving the end-to-end delivery of core ML/LLM systems.

Key Responsibilities:

Founding Software Engineer (iOS)

Location: New York, NY (100% On-site)

Employment Type: Full-time

Salary Range: $200K - $240K

We are a well-funded, high-growth FinTech company revolutionizing business banking and cash management for consumer brands. We are seeking a Founding iOS Engineer to take complete ownership of our mobile experience. This is a critical role responsible for building and launching a high-performance application from the ground up, shaping how our customers interact with their core financial data daily.

You will be responsible for bringing our product to life on mobile, focusing intensely on speed, reliability, and delivering a delightful user experience (UX). You will be a key player in shaping the technical direction and engineering culture of the company.

What You’ll Do:

Software Engineer - AI & Legal Tech Transformation

Location: Hybrid - New York

Compensation: $160,000 – $250,000

We are a fast-growing legal technology company, founded by a mix of legal operators and tech veterans from top-tier companies, focused on solving high-impact problems in the legal world. We are turning chaos—repetitive tasks, paper-based bottlenecks, and data fragmentation—into clarity using well-designed systems, AI, and thoughtful software. We are seeking a Software Engineer to own critical features end-to-end and influence our engineering culture from the ground up.

You will be responsible for building fast, shipping often, and partnering closely with cross-functional teams (product, ops, design, and legal experts). This role demands high ownership, requiring you to manage the full feature lifecycle from architecture design to production release. You must move quickly without sacrificing quality, integrating safety, observability, and performance from the start.

What you’ll do:

Senior Infrastructure Software Engineer - Medical AI Platform

Location: Hybrid - Miami

Compensation: $200,000 – $250,000

We are the world’s leading AI medical information platform, featured by the New England Journal of Medicine and trusted by medical professionals at over 10,000 care centers worldwide. Our mission-critical platform provides accurate, cited, and grounded answers at the point of care. Backed by investors including Sequoia Capital and Mayo Clinic, we are seeking a Senior Infrastructure Software Engineer to build the highly reliable and secure backbone for our medical AI platform.

Joining our Core Engineering team, you will have exceptional technical scope and direct impact, translating business objectives into elegant, scalable technical solutions. This is a hybrid role for a backend expert who thrives in a focused startup environment, owning key infrastructure and driving initiatives across reliability, data, and security, specifically handling sensitive medical data at scale.

Responsibilities:

Senior Data/AI/ML Software Engineer

Location: Remote (US Only) or Hybrid (San Francisco Bay Area)

Employment Type: Full-time

Salary Range: $150K - $300K (Varies by level and location)

We are building a cutting-edge Clinical Data Intelligence platform that automates complex, low-level cognitive tasks involving clinical data and knowledge. We are seeking a highly experienced Senior Data/AI/ML Software Engineer to design, implement, and improve the core components of our system, leveraging advanced AI/ML/NLP techniques to dramatically increase efficiency in healthcare.

This role requires expertise across software engineering, AI/ML, and data engineering, with a focus on building data-intensive systems that empower clinicians and improve healthcare operations.

What You'll Do:

Fullstack Engineer (Founding Team, High Agency)

Location: San Francisco, CA (100% On-site)

Employment Type: Full-time

Salary Range: $150K - $200K (Flexible for highly experienced candidates)

We are an ambitious, rapidly growing AI startup (recently raised a heavily oversubscribed $3.8M Seed round from top-tier VCs, including those early in OpenAI and Scale AI) focused on completely rebuilding the foundation of the massive Insurance Claims Processing industry. We are seeking a high-agency Fullstack Engineer to join our intensive, high-performance team. This is a role for engineers who thrive on extreme ownership and measurable customer impact.

This role requires a high level of performance, ambition, and ownership. You will be instrumental in defining and building core features end-to-end, working directly with founders and customers.

What You'll Do:

Founding Software Engineer - AI Evaluation & Data Infrastructure

Location: San Francisco

compensation: $150K - $240K

We are building the most complex infrastructure that powers frontier data creation for agentic and hard reasoning workflows, helping push the frontier of LLMs and AI Agents. We work with all 5 of the leading AI labs and are experiencing sharp hockey stick growth. We are seeking a Founding Software Engineer with end-to-end ownership to build the systems that power data and evaluation for the next generation of AI.

This is a dynamic, high-impact role that offers immense breadth of ownership over projects that push the frontier of AI evaluation. You will move fluidly across the entire stack, from research prototyping to distributed cloud infrastructure and user-facing analytics. You must be comfortable with constant context switching and relentless shipping in a talent-dense environment.

What You’ll Do:

Founding Engineer - AI Data Cleaning & Financial Infrastructure

Location: On site - New York

Compensation: $150,000 – $250,000

We are a high-growth, YC-backed company building the clean data layer for everyone, starting with financial firms. Our platform solves complex data cleaning challenges, delivering accurate, refined data via a simple API that integrates effortlessly into existing ELT pipelines, combining the best of AI and expert human review. We are seeking a Founding Engineer to design, build, and scale our core AI-powered data systems.

This is an unparalleled opportunity to join an early team and drive both the product strategy and the technical direction of the company. You will have immense impact and ownership, working across the entire stack to create a reliable and accurate data platform. You must be a strong engineer excited to work at the intersection of production software and frontier AI/LLM technologies.

What You’ll Do: