Top 370 Rails Developer Jobs

Founding Engineer
Springcash LLC —New York, NY
- $100,000 - $200,000 a year
- Full-time
- Office
- In-person
- Senior level
Quick Apply
12d
Senior Software Developer (6+ Years Software Development Exp. Req.)
WeInfuse —Austin, TX
- $120,000 - $140,000 a year
- Full-time
- Hybrid work
- Background check
- Computer science
- 7 years
- Health savings account
- Health insurance
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Sr Full stack Software Engineer
Vista Higher Learning —Boston, MA
- $140,000 - $150,000 a year
- Full-time
- Hybrid work
- 7 years
- Office
- Residential
Website Developer On Contract
WSEC,LLC —Phoenix, AZ
- $4,013 - $6,030 a month
- Contract
- Computer Science
- Bachelor of Science
- Mid-level
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Software Engineer
Progress Rail —Albertville, AL
- Full-time
- 7 years
- Microsoft Excel
- Schematics
- Health savings account
- Paid holidays
Sr Full stack Software Engineer
Vista Higher Learning —Massachusetts
- $140,000 - $150,000 a year
- Full-time
- Hybrid work
- 7 years
- Office
- Residential
Sr. Full Stack Engineer - 108K-140K base salary plus bonus
Trajan Wealth —Scottsdale, AZ
- $108,000 - $140,000 a year
- Full-time
- Azure
- 5 years
- System design
- Disability insurance
- Health insurance
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11d
Full Stack Developer - Ruby-on-Rails/Java experience
General Dynamics Mission Systems, Inc —Manassas, VA
- $112,924 - $125,275 a year
- Full-time
- Hybrid work
- Azure
- System design
- Java
- Paid parental leave
- Health insurance
Contract Dev
ACCTAX Canada —Remote
- From $100,000 a year
- Temporary
- Remote
- Azure
- System design
- Mid-level
- Health insurance
- Dental insurance
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11d
Software Engineer I
AElevora LLC —Logan, UT
- $25 an hour
- Part-time
- Remote
- Azure
- Software troubleshooting
- SQL
Software Developer
Talenzen —Remote
- $119,408.95 - $143,804.31 a year
- Full-time
- Remote
- Azure
- Mid-level
- Windows
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14d
Ruby on Rails Developer
Lafmatch —Remote
- Contract
- Remote
- Mid-level
- Under 1 year
Quick Apply
Senior Front End Developer (Remote)
Govcio LLC —Remote
- $125,000 - $150,000 a year
- Full-time
- Remote
- 8 years
- Bachelor's degree
- Travel
Staff Software Engineer
GitHub, Inc. —Remote
- $140,400 - $372,300 a year
- Full-time
- Remote
- Computer science
- Doctoral degree
- Computer Science
Salesforce Developer
Archesys Inc —Remote
- $80,000 - $115,000 a year
- Full-time
- Remote
- Computer science
- Computer Science
- Research
- Health insurance
- Dental insurance
Quick Apply
Staff Engineer / Team Lead (Ruby on Rails)
59 Pines —Remote
- Up to $350,000 a year
- Part-time
- Remote
- Mentoring
- Senior level
- Flextime
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Platform and Developer Experience Engineer
Workweek —Remote
- $0 a year
- Full-time
- Remote
- Mid-level
- 4 years
- Health savings account
- Parental leave
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Software Engineer
Allovue —Remote
- Full-time
- Remote
- ERP systems
- Senior level
- Health insurance
- Dental insurance
Quick Apply
Ruby on Rails Developer-REMOTE
Aztec Software, LLC —Remote
- $110,000 - $120,000 a year
- Full-time
- Remote
- Senior level
- Health insurance
- Dental insurance
Senior Full Stack Developer (Remote)
Govcio LLC —Remote
- $145,000 - $160,000 a year
- Full-time
- Remote
- 11+ years
- Research
- Master's degree

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Founding Engineer

Springcash LLC
New York, NY

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Job Details

Full-time
$100,000 - $200,000 a year
12 days ago

Qualifications

AI models
Machine learning/AI-based analysis
UX
AI implementation
Python

Full Job Description

About Spring

Spring is an AI-native lender. We spent the first eight months of our business building completely novel in-house software — loan management systems, payment rails infrastructure, and technology for analyzing business bank transactions and financials. That foundation let us originate over $100 million in funding to CPG brands within our first year of business.

Now we're building the product that all of that infrastructure was designed to power: an AI CFO agent. The addressable market starts with tens of thousands of CPG brands and extends to small businesses across many verticals. Our lending operation gives us a unique advantage — deep financial data, direct customer relationships, and the real-world workflows that the agent needs to automate.

The CFO agent operates across a brand's entire financial stack — managing deductions, handling email workflows, working with accounting and banking data, and more. These are the kinds of tasks that consume hours of a finance team's week and are perfectly suited to agentic automation.

The interface itself is a core part of the product. The agent renders an opinionated, flexible UI that mutates in real time — displaying actions, visualizations, and interactable elements through LLM tool calls. It's a true copilot: the agent acts, the user sees what it's doing, and either of them can drive what happens next.

Who We're Looking For

We're a team of nine, including two developers. We don't have a dedicated product person. That means whoever joins will have an outsized impact on what gets built and how.

We're open to several profiles:

Engineers with product instincts— you care about what you're building, not just how it's built. You have opinions about UX, can talk to customers, and make design decisions without waiting for a spec.
Backend engineers— you're strong in Python and want to work on the ML-driven systems that power the agent's learning loop.
Product managers who can build— you've shipped software, you understand technical tradeoffs, and you want to own a product from zero to one.

What matters most:

You're self-motivated and want to work on something novel
You're excited about agentic AI and understand why it's different from traditional software
You want to be early at a company where your work defines the product

Details

Location: In-person in New York City
Remote: For strong candidates outside New York, we're open to flexible paid trial periods to test the fit before relocating
Compensation: Equity + competitive compensation (discussed during the process)

Pay: $100,000.00 - $200,000.00 per year

Work Location: In person

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