Frontend Engineer, Arena
$150-225k
Plus equity
Foundational intelligence for modern hardware
Job no longer available
Foundational intelligence for modern hardware
101-200 employees
Job no longer available
$150-225k
Plus equity
101-200 employees
Company mission
To accelerate the speed at which humanity designs, builds, and sustains hardware.
Role
Who you are
- 2+ years of professional experience post-graduation in software engineering or a related field
- Demonstrated enthusiasm and knowledge of Artificial Intelligence and Machine Learning concepts
- Proven ability to write clean, efficient code
- Instinct to break down complex problems into small building blocks
- Strong communication skills with empathy for end-users, ensuring usability across UI, API, and SDKs
- A high bar for product aesthetics and functionality
What the job involves
- In this role, your focus will be working with internal teams and external customers to prototype and build novel user interfaces across our product suite
- You will work closely with real users in many different countries to imagine and define what human-computer interaction looks and feels like in an age of active learning AI
- Your goal will be enabling our users to understand the impact & performance of our deployed machine learning systems in new and novel ways that are not only effective, but inspiring
- Our engineering team works directly with customers to solve complex, mission-critical challenges using Arena’s cutting-edge products and technologies
- Engineers own the full solution lifecycle—from problem identification, designing and implementing data-driven solutions, to demonstrating their value in real-world scenarios
- By addressing specific customer challenges, you will play a pivotal role in refining and scaling Arena’s products, contributing to their broader adoption and success
- This is a unique opportunity to gain hands-on experience in driving innovation across some of the world's most vital industries, making it ideal for those aspiring to become entrepreneurs or future engineering leaders
- Prototype and build UX/UI that communicates your product ideas at the right level of fidelity, while expanding what UX/UI for AI can be
- Forward deploy both domestically and internationally up to 50% of your time
- Embody deep user empathy to partner with designers, engineers, scientists, and customers, ensuring that our AI techniques and technologies translate into scalable tools, services, and customer experiences
- Employ a variety of languages, libraries, and frameworks, and tools to push the status quo of product - we use react, node, typescript, Figma, tailwind, framer motion, and more
- Apply your principles of design, engineering, and product across the full stack of our systems
Our take
Arena leverages performance data, predictive algorithms, and machine learning technology to help businesses automate high frequency decisions. In theory, the platform can be used to automate marketing strategies, promotions, inventory and supply chain management, pricing, and more.
Although AI automated decision-making may sound overly ambitious at first, a closer look suggests that it’s actually a natural progression from the huge growth of AI-powered data analytics companies. Arena separates itself from these by providing the next actionable step, rather than leaving these decisions up to internal teams.
Since launching in 2020, the company has moved from early promise into a more established growth phase. Its technology is now used by major global businesses, including Anheuser-Busch InBev, showing that automated decision-making is becoming a practical reality. Rather than being defines by a single fundraiser, Arena's progress today is about continued execution, expanding use cases, improving its models, and embedding deeper into enterprise workflows as demand for real-time, automated decisions continues to grow.
Kirsty
Company Specialist at Welcome to the Jungle
Company
Funding (last 2 of 3 rounds)
Apr 2025
$30m
SERIES B
Aug 2022
$32m
SERIES A
Total funding: $94m
Company benefits
- Premium Health Coverage: Medical, dental, and vision insurance and cover 100% of monthly premiums for employees.
- Primary & Virtual Care: Get comprehensive medical care whenever and wherever you need it through One Medical and Teladoc.
- Mental Wellness Support: Prioritize your mental wellbeing with Talkspace’s licensed therapists and mental health professionals.
- 401(k) Retirement Plan: Plan confidently for the years ahead and your long-term financial future with our 401(k) plan.
- Unlimited PTO: Take meaningful time off throughout the year to relax and recharge with our unlimited PTO policy.
- Commuter Benefits: Make your daily commute smooth and easy with tax-free transportation support.
Company HQ
Ukrainian Village, New York, NY
Leadership
Pratap Ranade
(Co-Founder & CEO)Pratap previously co-founded Kimono Labs where he served as the CEO for 2 years, when it was acquired by Palantir. He then moved into the role of Forward Deployed Engineer at Palantir. He also spent 2 years at Engima Technologies as a VP of Engineering before co-founding Arena in 2019.
Engin Ural
(Co-Founder)After co-founding Arena in 2019, Engin served as the CTO until 2025. Previously, he was a Software Engineer at Enigma Technologies and a Forward Deployed Software Engineer at Palantir.
Arya Hezarkhani
(CTO)Arya joined Arena in 2021 as an Engineering Lead, since then he has served as the Product Lead of Growth and GM/Head of Product, moving into he role of CTO in 2025. Prior to Arena, he worked in Satellite Flight Software (Project Kuiper) at Amazon and as a Software Engineer (AWS Batch) at AWS.
Claire Pan
(COO)Claire joined Arena in 2024, working in Strategy & Business Operations, and moved into the role of COO in 2025. Prior to Arena, she spent 2 years at Inspired Capital as an Associate then Senior Associate.
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