Full-Stack Software Engineer

LinkSquares, Inc.•Boston, MA

2d•$110,000 - $155,000

About The Position

LinkSquares is the leading contract lifecycle management company in the legal industry, named a Strong Performer in The Forrester Wave™: Contract Lifecycle Management (CLM). Businesses run on contracts—they drive revenue, manage obligations, enable financing, and support reporting activities. Our AI-powered CLM SaaS product suite delivers end-to-end solutions trusted by some of the world’s most respected organizations, including DraftKings, Wayfair, TIME, and the Boston Celtics. We are proud to support our customers in achieving their goals, and remain dedicated to delivering value and innovation to meet their needs. We ranked #174 on Deloitte’s Fastest-Growing Companies in North America, named “Contract Management Solution Provider Of The Year” by LegalTech Breakthrough Awards, and has been named to the Inc. 5000 list for the fifth consecutive year, ranking among the fastest-growing private companies in America. At LinkSquares, our AI-powered, end-to-end contract management and analytics platform takes the manual, time-consuming, tedious tasks out of the contracting process. With LinkSquares, legal, finance, HR, and procurement teams save time, cut costs, and improve business outcomes. We are a 200+ person company headquartered in downtown Boston. We're seeking an experienced Full-Stack Software Engineer who can build core platform infrastructure that powers our product capabilities.

Requirements

Strong backend experience with Ruby on Rails building reliable, scalable production systems.
Proficient frontend development with React and TypeScript. You deliver features across the stack and create experiences that users and internal teams depend on.
Understanding of distributed systems fundamentals: message queues (RabbitMQ, Kafka, SQS), async processing, idempotency, eventual consistency patterns
Production deployment experience with cloud infrastructure (Lambda, RDS, SQS, S3) and operational comfort with AWS services
Database proficiency with PostgreSQL: designing schemas, writing performant queries, working within multi-tenant architectures
Experience building APIs that other engineers consume, with attention to versioning strategy, error semantics, and usability
Knowledge of system connectivity: OAuth2 implementations, webhook reliability, polling strategies, credential management across heterogeneous systems. Prior work at platform-focused companies is valuable.
Track record of shipping complete features from initial design through production deployment, maintaining ownership throughout
You improve team capabilities through thoughtful code review, knowledge sharing, and creating opportunities for others to develop new skills
You make sound technical decisions when requirements are incomplete or changing
You use AI development tools regularly (Cursor, Copilot, Claude) to enhance productivity. You experiment with emerging capabilities and integrate them into your workflow.

Nice To Haves

Prior experience building platform infrastructure or workflow automation products
Deep understanding of enterprise SaaS systems (Salesforce, HubSpot, NetSuite) and their API characteristics
Operational experience debugging production distributed systems
Exposure to CDC (Change Data Capture) or event sourcing patterns

Responsibilities

Design and develop platform infrastructure: event-driven systems, platform APIs, authentication services, job execution engines
Lead technical decision-making on API design, distributed systems patterns, and architecture trade-offs
Build full-stack capabilities across backend services and frontend interfaces
Collaborate across Product, Sales, Tech Services, and Engineering teams to understand requirements and deliver solutions
Own feature delivery from conception through production deployment
Debug and resolve complex distributed systems issues: OAuth flows, webhook failures, message queue problems, third-party API connectivity
Establish technical standards and best practices through code review, documentation, and team guidance
Improve development workflows: CI/CD pipelines, testing strategies, and observability infrastructure
Mentor team members on platform thinking, distributed systems design, and full-stack development approaches

Benefits

Candidates are eligible to participate in the company’s benefit programs.
LinkSquares’ benefits include but are not limited to medical, dental, and vision insurance, 401k retirement plan with a company match, equity awards (a new hire grant, along with opportunities for additional awards throughout your tenure), flexible paid time off, generous parental leave, life and disability insurances and more.

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