We are seeking a highly skilled Senior Full-Stack Software Engineer to bring technical excellence, initiative and leadership to our team. As a Senior Engineer, you’ll be a key contributor to the design, development, and scaling of our platform, working closely with product managers, designers, and fellow engineers to build solutions that are secure, reliable, and performance-optimized. You’ll work across the stack, you’ll lead initiatives from concept to delivery. This is a full-stack position with a strong emphasis on frontend development and close collaboration with the Product team. You’ll take the lead on major initiatives—planning features, defining MVPs, breaking projects into actionable phases, and helping to remove blockers for the team.
This is an exciting opportunity for someone who thrives in a fast-paced environment and is motivated to take ownership of high-impact work within a growing company.
Key Responsibilities
Lead the design and development of scalable, secure applications across the stack—spanning modern React UIs to high-performance backend services.
Design and build architecture that supports AI/ML-powered features across user-facing and API surfaces.
Drive initiatives end-to-end—from ideation and planning to execution—by breaking down complex projects into MVPs and manageable, prioritized releases.
Collaborate with product and engineering leaders to align solutions with business objectives.
Ensure compliance with security best practices and data privacy regulations.
Mentor mid-level and junior engineers, fostering a culture of growth, learning, and technical excellence.
Evaluate and implement new technologies and tools to continuously improve our applications and development processes.
Communicate clearly, engage with stakeholders, product managers and cross-functional teams to align on goals, share progress and manage expectations.
Qualifications
5+ years of full-stack software development experience using Node.js, React, TypeScript, and REST APIs, with experience in state management (Redux, XState, Nanostores a plus), preferably with at least 1+ year working with AI/ML solutions or LLM.
Familiar with implementing and maintaining CI/CD pipelines to streamline development, testing, and deployment processes.
Familiarity with MLOps, CI/CD for AI pipelines, and AI observability tools.
Deep understanding of architecture and best practices, including RESTful APIs, databases, secure coding, and responsive design.
Experienced with AWS architecture, including Lambda, ECS, S3, DynamoDB and Step Functions.
Familiarity with designing and developing application layers that interface with large language models (LLMs) or machine learning (ML) systems.
Experience building and integrating LLM features (e.g., via OpenAI, Claude, Vertex AI, or similar), including prompt design, vector storage, and retrieval strategies.
Build tools and services to help other team members experiment and ship AI-enhanced features responsibly and efficiently.
Excellent communication skills with the ability to influence technical direction and collaborate effectively across product and engineering teams.
Bonus Points
- Experience in FinTech or Mortgage
What We Do
GoodLeap is a sustainable home solutions marketplace. We provide simple, fast, and frictionless point-of-sale technology for countless mission-driven professionals serving millions of people who want to upgrade their homes and save money. Our platform offers flexible ways for consumers to pay for a wide range of sustainable products, including solar panels, battery storage, smart home devices, modern HVAC systems, energy efficient windows, upgraded roofing, water-saving turf, and more. We are committed to caring for the planet, building lasting relationships with our valued partners and customers, and delivering cutting-edge technology that enables more people to embrace a sustainable lifestyle.
