Senior Software Development Engineer II (Backend)

Filevine is a Legal AI company delivering Legal Operating Intelligence for the future of legal work. Grounded in a singular system of truth, Filevine brings together data, documents, workflows, and teams into one unified platform—where modern legal work happens with clarity and consistency.
Powered by LOIS, the Legal Operating Intelligence System, Filevine connects context across every matter to transform legal operations from reactive to proactive. LOIS reads, understands, and reasons across your data to surface insight, automate complexity, and give professionals the clarity and confidence to see more, know more, and do more. Fueled by a team of exceptional collaborators and innovators, Filevine’s rapid growth has earned AI awards and recognition from Deloitte and Inc. as one of the most innovative and fastest-growing technology companies in the country.
Role Summary:
Join a high-impact engineering team innovating on a brand-new product inside Filevine, creating mission-critical systems that redefine how justice is served—using cutting-edge .NET Critter Stack (MartenDB and Wolverine), Domain-Driven Design, and event-driven architecture to solve complex, real-world problems at scale.
Responsibilities
Architect and implement sophisticated legal domains using Domain-Driven Design (DDD), defining bounded contexts, aggregates, domain events, and a shared ubiquitous language
Model resilient, event-sourced systems with Marten, leveraging multi-document sessions, projections, and tenanted document storage in PostgreSQL
Design and deliver asynchronous, idempotent message handlers using Wolverine, with built-in retry policies, dead-letter queues, and full observability
Optimize PostgreSQL performance under high-throughput workloads using indexing, partitioning, and query tuning
Drive end-to-end feature ownership—from domain modeling and REST API design to CI/CD automation, observability, and production monitoring
Establish and enforce engineering excellence through code reviews, architectural decision records (ADRs), and comprehensive test coverage (unit, integration, contract)
Build in enough resiliency or be prepared to troubleshoot and resolve the technical issues, no matter the hour
Mentor mid-level and junior engineers in DDD strategic patterns, clean architecture, and modern .NET best practices
Partner with product, UX, and legal domain experts to translate complex workflows into intuitive, high-performance software
Actively shape shared domain models and architecture decisions in cross-team design syncs, sprint planning, and design document reviews
Clearly articulate technical trade-offs and domain models to engineers, product leaders, and stakeholders
Actively contribute in design discussions, sprint planning, and cross-team syncs with empathy and respect
Qualifications
5+ years of backend development with expert-level C# and .NET 8+
Production-grade mastery of Domain-Driven Design (strategic + tactical patterns)
Deep, hands-on experience with MartenDB and Wolverine (.NET Critter Stack)
Strong grasp of CQRS, event sourcing, and PostgreSQL performance optimization
Experience in legal tech, workflow automation, or regulated industries
Familiarity with OpenTelemetry or other observability platforms
Familiarity with Svelte, TypeScript, and frontend development
Familiarity with Auth0 and OktaFGA
Exceptional communication—able to explain complex domain logic to non-technical stakeholders
Growth mindset, collaborative spirit, and passion for mentorship
Proven ability to independently drive high-impact initiatives to completion under ambitious timelines
Compensation Information: $190,000 - 215,000
The base salary range represents the low and high end of the salary range for this position. The total compensation package for this position will be determined by each individual’s location, qualifications, education, work experience, skills and performance. We believe in the importance of pay equity - the range listed is just one component of Filevine’s total compensation package for employees. This position is also eligible for a paid time off policy, as well as a comprehensive benefits package.
Work Location Expectation: Remote or option to be hybrid/in-office in one the following locations: San Francisco, New York, Chicago, or Salt Lake City
Cool Company Benefits:
A dynamic, rapidly growing company, focused on helping organizations thrive
Medical, Dental, & Vision Insurance (for full-time employees)
Competitive & Fair Pay
Maternity & paternity leave (for full-time employees)
Short & long-term disability
Opportunity to learn from a dedicated leadership team
Top-of-the-line company swag
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Work arrangement
Yes