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As a Software Engineer, you will drive technical innovation, modernize systems, and build AI-powered features across diverse software companies, collaborating with product and design teams.
Beacon Software is a permanent capital holding company which acquires and grows essential businesses. We are a profitable series B+ firm that combines great technologists, operators and M&A professionals to accelerate the scale of the ambition of the dozens of businesses we own and operate. We are supported by capital from tier-1 venture capital, crossover, and endowment investors as well as the founders of the leading technology companies from the past decade.
We are growing our team in Toronto, San Francisco, and New York. Apply below.
We’re looking for a versatile Software Engineer to drive technical innovation and accelerate growth across our portfolio of software companies. You’ll collaborate closely with product, design, and leadership teams within our portfolio companies to solve high-impact problems across diverse architectures, tech stacks, and industries. You'll learn how to design and execute large-scale software modernization efforts with AI, build new AI-powered features, re-imagine the product experience. You’ll have direct influence on revenue, customer experience, product vision, and technical direction—bridging code with commercial impact.
This is a hands-on, high-impact role ideal for a full-stack engineer or ex-founder who thrives in fast-paced, entrepreneurial environments.
Key Responsibilities- Deploy into Beacon portfolio companies to identify, design, and deliver high-impact technical initiatives.
- Analyze portfolio company codebases to identify value creation opportunities and technical debt reduction strategies.
- Refactor, modernize, and scale existing systems using current best practices and frameworks.
- Build AI-powered features and products that drive measurable business growth.
- Architect scalable backend and API services (Node.js, Python, Go, Ruby, etc.).
- Develop modern, performant frontends using React, Next.js, and TypeScript.
- Collaborate with product and business leaders to translate commercial goals into technical roadmaps.
- Contribute to internal engineering playbooks and best practices across Beacon’s platform.
- Mentor and support technical teams within portfolio companies to lift engineering standards
- 5+ years of experience as a full-stack or backend engineer, ideally in a startup or high-growth environment.
- Strong foundation in software engineering best practices, including code quality, testing, and deployment
- Command of one or more modern programming languages (e.g., Python, Go, TypeScript, Ruby).
- Experience with cloud infrastructure and modern DevOps practices.
- Comfort working across diverse architectures—from monoliths to microservices.
- Curiosity and versatility to dive into unfamiliar codebases and domains
- Familiarity with AI integration, LLMs, and data-driven applications.
- Strong systems-thinking mindset and a bias for simplicity.
- Proven ability to deliver autonomously with high ownership.
- Excellent communication skills and collaborative spirit.
- Commercial mindset, curiosity about business models, and how software creates enterprise value.
- Desire to grow into a technical leader or founder role.
- You’re an ex-founder or founding engineer who thrives in ambiguity.
- You want to build and ship products across multiple industries.
- You’re fascinated by how code translates into profit and growth.
- You enjoy diving into new codebases, diagnosing bottlenecks, and scaling systems.
- You believe AI will reshape how software is built—and you want to be at the forefront.
- You care deeply about clean, maintainable, and scalable engineering.
- You want to learn how to acquire, operate, and scale software businesses.
- You’re commercially curious—just as excited by go-to-market strategy as by refactoring a service.
- You’re energized by speed, autonomy, and a culture that values judgment over process.
- You want to work with people who set a high bar—and help you raise yours.
Our Values at Beacon Software
- Humility: We acknowledge that the path to getting to the right answer involves being wrong along the way. We have strong beliefs which are weakly held. We actively seek new ideas and believe we can learn from anyone at any time.
- Honesty: We are truth seeking in our approach to business problems. Business is a repeat game and we believe that human relationships generate alpha. We understand that trust is earned over a lifetime and can be lost in an instant.
- Hunger: We play to win. We hold ourselves to high standards and will not be outworked. We take pride in having a deep sense of responsibility to ourselves, each other, our partners, and our customers. We believe to whom much is given much is expected.
- Horizon: We seek to build a generational software company. This will take decades. We manage our expectations and those of our partners to take advantage of the 8th wonder of the world - compounding growth.
Top Skills
AI
Cloud Infrastructure
DevOps
Go
Next.Js
Node.js
Python
React
Ruby
Typescript
Beacon Software New York, New York, USA Office
205 W 37th St, New York, NY , United States, 10018
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