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Senior Full Stack Engineer / ClimateTech / React + Ruby on Rails / NYC or Remote
Motion Recruitment • New York, US • Remote
$140,000 - $180,000 / YEAR
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Posted on: 28th March, 2025
Employment Type: FULLTIME
Job Description
Senior Full-Stack Engineer
Join a mission-driven startup at the intersection of climate and fintech, dedicated to making sustainable building upgrades—like heat pumps, batteries, and EV chargers—more affordable and accessible. We are looking for a Senior Full-Stack Engineer to build products and features that empower contractor and manufacturer partners to accelerate the adoption of energy-efficient solutions.
This role is ideal for engineers who thrive in fast-paced environments, enjoy working across the entire stack, and want to make a direct impact in a high-growth startup. This is a hybrid position based in NYC with flexibility on leveling from Senior to Principal Engineer.
What You’ll Do
• Own end-to-end feature development, from ideation and planning through execution and deployment
• Write and review code across the full stack while balancing quality and execution speed
• Make key architectural decisions, define best practices, and manage technical debt
• Work closely with the founding team to shape the product roadmap, understand customer pain points, and influence priorities
• Gain exposure to all aspects of a startup, including sales, customer discovery, and strategy
Required Skills & Experience
• 5+ years of experience in full-stack development, preferably with Ruby on Rails or similar frameworks
• Strong understanding of modern web application development practices
• Expertise in database design and management
• Excellent communication skills and ability to work cross-functionally to balance product and technical requirements
• Ownership mindset with the ability to operate in an ambiguous, fast-moving environment
• Experience designing and scaling systems from 0 to 1 and beyond
• Interest or experience in AI, ML, and LLMs is a plus
What You Will Be Doing Tech Breakdown
• 50% Back-end development (Ruby on Rails, database management)
• 50% Front-end development & full-stack architecture
Daily Responsibilities
• 70% Hands-on development, coding, and reviewing
• 20% Collaborating with product, design, and business teams
• 10% Researching and implementing new technologies and best practices
The Offer
• $140,000 - $180,000 salary (New York) + competitive equity package
• Health, dental, and vision insurance
• Unlimited PTO
• A unique opportunity to join a mission-driven, fast-growing startup at the ground level
Join a mission-driven startup at the intersection of climate and fintech, dedicated to making sustainable building upgrades—like heat pumps, batteries, and EV chargers—more affordable and accessible. We are looking for a Senior Full-Stack Engineer to build products and features that empower contractor and manufacturer partners to accelerate the adoption of energy-efficient solutions.
This role is ideal for engineers who thrive in fast-paced environments, enjoy working across the entire stack, and want to make a direct impact in a high-growth startup. This is a hybrid position based in NYC with flexibility on leveling from Senior to Principal Engineer.
What You’ll Do
• Own end-to-end feature development, from ideation and planning through execution and deployment
• Write and review code across the full stack while balancing quality and execution speed
• Make key architectural decisions, define best practices, and manage technical debt
• Work closely with the founding team to shape the product roadmap, understand customer pain points, and influence priorities
• Gain exposure to all aspects of a startup, including sales, customer discovery, and strategy
Required Skills & Experience
• 5+ years of experience in full-stack development, preferably with Ruby on Rails or similar frameworks
• Strong understanding of modern web application development practices
• Expertise in database design and management
• Excellent communication skills and ability to work cross-functionally to balance product and technical requirements
• Ownership mindset with the ability to operate in an ambiguous, fast-moving environment
• Experience designing and scaling systems from 0 to 1 and beyond
• Interest or experience in AI, ML, and LLMs is a plus
What You Will Be Doing Tech Breakdown
• 50% Back-end development (Ruby on Rails, database management)
• 50% Front-end development & full-stack architecture
Daily Responsibilities
• 70% Hands-on development, coding, and reviewing
• 20% Collaborating with product, design, and business teams
• 10% Researching and implementing new technologies and best practices
The Offer
• $140,000 - $180,000 salary (New York) + competitive equity package
• Health, dental, and vision insurance
• Unlimited PTO
• A unique opportunity to join a mission-driven, fast-growing startup at the ground level
Responsibilities
- We are looking for a Senior Full-Stack Engineer to build products and features that empower contractor and manufacturer partners to accelerate the adoption of energy-efficient solutions
- This role is ideal for engineers who thrive in fast-paced environments, enjoy working across the entire stack, and want to make a direct impact in a high-growth startup
- Own end-to-end feature development, from ideation and planning through execution and deployment
- Write and review code across the full stack while balancing quality and execution speed
- Make key architectural decisions, define best practices, and manage technical debt
- Work closely with the founding team to shape the product roadmap, understand customer pain points, and influence priorities
- Gain exposure to all aspects of a startup, including sales, customer discovery, and strategy
- What You Will Be Doing Tech Breakdown
- 50% Back-end development (Ruby on Rails, database management)
- 50% Front-end development & full-stack architecture
- 70% Hands-on development, coding, and reviewing
- 20% Collaborating with product, design, and business teams
- 10% Researching and implementing new technologies and best practices
Requirements
- Required Skills & Experience
- 5+ years of experience in full-stack development, preferably with Ruby on Rails or similar frameworks
- Strong understanding of modern web application development practices
- Expertise in database design and management
- Excellent communication skills and ability to work cross-functionally to balance product and technical requirements
- Ownership mindset with the ability to operate in an ambiguous, fast-moving environment
- Experience designing and scaling systems from 0 to 1 and beyond
Motion Recruitment
Technology
Location
New York, US
Job Type
FULLTIME
Benefits
- $140,000 - $180,000 salary (New York) + competitive equity package
- Health, dental, and vision insurance
- Unlimited PTO
- A unique opportunity to join a mission-driven, fast-growing startup at the ground level
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