Lead Software Engineer

Beacon Software

. Join one portfolio company full time as its lead engineer and grow it .

Posted 10/17/2026full-timeRemote • United StatesSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive software engineering expertise with a focus on modernizing development processes and leading engineering teams. Proficient in multiple technology stacks and capable of implementing AI capabilities in production environments.

Highest-signal resume keywords

7+ Years Software Engineering ExperienceProduction Software Development Across Multiple StacksExperience with Coding AgentsTech Lead or Engineering Leadership ExperienceB2B SaaS Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

.NETRailsPythonTypeScriptOraclePHPSoftware Development LifecycleCI/CDLegacy Codebase ModernizationAI Implementation

Soft Skills

CoachingIndependent JudgmentCollaboration with GMs and OperatorsTeam Motivation

Tools & Technologies

Coding AgentsFeature FlagsStaging EnvironmentsTesting Frameworks

Industry Keywords

B2B SaaSProduct RoadmapSoftware Engineering LeadershipTech Lead

Tech Stack

Tools & technologies

OraclePHPPythonRuby on RailsTypeScript.NET

About the role

Key responsibilities & impact

Join one portfolio company full time as its lead engineer and grow it
Write code every day and coach surrounding engineers to improve their coding
Pick up the company's stack, work in the codebase, and ship working software to customers early and often
Modernize the software development lifecycle with CI, tests, staging, feature flags, deploys anyone can run, and coding agents
Coach the engineers already at the portfolio company
Work with the GM to set the product roadmap and own trade-offs
Introduce coding-agent workflows so work that took weeks can take days
Put AI capabilities into production products, including retrieval, tool use, evaluations and guardrails

Requirements

What you’ll need

7+ years of software engineering experience, including time as a tech lead, founding engineer, CTO of a small company, or the one engineer holding a product together
Production software development experience in at least three different technology stacks
Comfortable learning and working across stacks including .NET, Rails, Python, TypeScript, Oracle, PHP and others
Experience taking over a messy codebase and a discouraged team
Uses coding agents every day and can demonstrate their setup
Able to work directly with GMs, operators and customers
Able to exercise independent judgment without daily supervision
Bonus: first engineering leader at a company with no prior engineering leadership
Bonus: vertical or B2B SaaS experience, especially where the buyer and user are different people
Bonus: experience modernizing a legacy codebase without a rewrite

Benefits

Comp & perks

Beacon has raised $550M+ from investors including General Catalyst, Lightspeed, D1 Capital, CPMG, and the family offices of the founders of Stripe, DoorDash, and Ramp.
AI-enabled tools are used to support hiring efficiency and consistency, with every application reviewed by a team member and hiring decisions made by humans.