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Founding Backend Engineer Jobs (NOW HIRING)

Delphina, Inc

MTS, Backend Engineer

San Francisco, CA · On-site

What you'll do * We're looking for an experienced Backend Software Engineer to join as a founding team member of Delphina. * As one of our key early hires, you will partner closely with our early ...

Clarion

Senior Backend Engineer

New York, NY · On-site

$150K - $225K/yr

Clarion was founded by a Stanford/Harvard-trained physician (founding team at Two Chairs and ... Backend systems and architecture with the CTO and a senior engineer. * Onsite Team Day (Half Day ...

ITrade STEM

Lead Backend Engineer

Miami, FL · On-site

With deep backing from top VCs and a founding team of fintech and blockchain veterans, we're ... years in backend engineering, ideally with a focus on financial systems or high-throughput ...

Clarion

Senior Backend Engineer

New York, NY · On-site

$150K - $225K/yr

Clarion was founded by a Stanford/Harvard-trained physician (founding team at Two Chairs and ... Backend systems and architecture with the CTO and a senior engineer. * Onsite Team Day (Half Day ...

ITrade STEM

Lead Backend Engineer

Miami, FL · Remote

With deep backing from top VCs and a founding team of fintech and blockchain veterans, we're ... years in backend engineering, ideally with a focus on financial systems or high-throughput ...

ITrade STEM

Lead Backend Engineer

Miami, FL · Remote

With deep backing from top VCs and a founding team of fintech and blockchain veterans, we're ... years in backend engineering, ideally with a focus on financial systems or high-throughput ...

Octagon Talent

Lead Backend Engineer

Miami, FL · Remote

With deep backing from top VCs and a founding team of fintech and blockchain veterans, we're ... years in backend engineering, ideally with a focus on financial systems or high-throughput ...

nitra

Backend Engineer

New York, NY · Hybrid

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... The desire to be mentored by a unicorn founding CTO and engineers with experience at top notch ...

nitra

Backend Engineer

Washington, DC · Hybrid

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... The desire to be mentored by a unicorn founding CTO and engineers with experience at top notch ...

nitra

Backend Engineer

New York, NY · On-site

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... The desire to be mentored by a unicorn founding CTO and engineers with experience at top notch ...

nitra

Backend Engineer

Washington, DC · Hybrid

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... The desire to be mentored by a unicorn founding CTO and engineers with experience at top notch ...

nitra

Backend Engineer

New York, NY · Hybrid

A Backend Engineer with experience in Fintech or marketplaces who will be at the forefront of our ... The desire to be mentored by a unicorn founding CTO and engineers with experience at top notch ...

Pear

Backend Engineer - Known

San Francisco, CA · On-site

You'll work closely with the founding team (AI/ML, fullstack, product, and design) to architect ... Design and build scalable backend services in Node.js/TypeScript, including RESTful APIs ...

Fabrion

Founding Engineer

Bodega Bay, CA · On-site

You'll be writing production code across backend and frontend, defining interfaces between ... founding engineer, or a 0-1 pre-seed startup is a big plus Mindset: * Comfortable with ambiguity ...

Pear

Founding Engineer Infra/Backend

New York, NY · On-site

The Role As our founding infra/backend engineer, you'll architect the backbone of Spur's core platform-define, build, and scale mission-critical infra powering our web agents. We own our entire stack ...

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All JobsFounding Backend Engineer Jobs

Founding Backend Engineer information

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How much do founding backend engineer jobs pay per year?

As of Jun 29, 2026, the average yearly pay for founding backend engineer in the United States is $147,662.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,000.00 and $172,000.00 per year, depending on experience, location, and employer.
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Founding Backend Engineer jobs near you

MTS, Backend Engineer

Delphina, Inc

San Francisco, CA • On-site

Full-time

Posted 29 days ago

Job description

About Delphina
  • Today's Data Scientists are in pain - spending their time manually wrangling data, building models through slow trial and error, taking on painstaking rewrites for deployment, and dealing with countless other frustrating bottlenecks. And the tools they are using for much of this work - e.g. Jupyter notebooks and Pandas - are over a decade old.
  • We founded Delphina to change this: our mission is to help the world get better at using data to understand the present and predict the future. Delphina is an AI Agent for Data Science: leveraging a combination of generative AI, large scale optimization, and specialized infrastructure to automate the time-consuming but necessary tasks to build powerful ML models quickly; Delphina will identify relevant data, clean it, train models, and even productionize pipelines.
  • Our team has previously led large data science and machine learning teams (covering both applications and infrastructure), built startups, and created successful tools for enterprise ML.
  • We're backed by top AI investors, including Fei-Fei Li, Radical VC, and Costanoa VC.

What you'll do
  • We're looking for an experienced Backend Software Engineer to join as a founding team member of Delphina.
  • As one of our key early hires, you will partner closely with our early team on the direction of our product and drive critical technical decisions. You will have a broad impact over the technology, product, and our company's culture.
  • You will be responsible for:
    • Architecting, building, and deploying the systems and services underlying our platform.
    • Partnering with our cross functional team of scientists, researchers, and engineers to transform how machine learning is done.
    • Ensuring that our systems are reliable, secure, and worthy of our customers' trust.
What we're looking for
  • Experience with leading and building production systems to deliver on major product initiatives.
  • Proficiency in at least one programming language commonly used within backend systems, e.g. Go, Python, Scala, or Java.
  • Energy and ambition to build a product that is surprisingly good in surprising ways.
  • Intrinsic desire to always be improving our product and yourself. Growth mindset to both stay ahead of the curve and pick up whatever knowledge you're missing to get the job done.
Nice to haves
  • Experience with large-scale processing technologies and frameworks, such as Spark and Flink
  • Experience working directly on machine learning - either by partnering with scientists and engineers who are building models, or by building models yourself

Apply