Senior Software Engineer, Backend Platform

Why Harvey

At Harvey were transforming how legal and professional services operate not incrementally but end-to-end. By combining frontier agentic AI an enterprise-grade platform and deep domain expertise were reshaping how critical knowledge work gets done for decades to come.

This is a rare chance to help build a generational company at a true inflection point. With 700 customers in 58 countries strong product-market fit and world-class investor support were scaling fast and defining a new category in real time. The work is ambitious the bar is high and the opportunity for growth personal professional and financial is unmatched.

Our team is sharp motivated and deeply committed to the mission. We move fast operate with intensity and take real ownership of the problems we tackle from early thinking to long-term outcomes. We stay close to our customers from leadership to engineers and work together to solve real problems with urgency and care. If you thrive in ambiguity push for excellence and want to help shape the future of work alongside others who raise the bar we invite you to build with us.

At Harvey the future of professional services is being written today and were just getting started.

Role Overview

As a Backend Platform Engineer at Harvey you will help build and operate the cohesive backend platform that all our services run this mid-to-senior level role youll design and implement shared frameworks and libraries that abstract common concerns improve developer experience and raise the baseline for reliability and performance across all teams. Your mission aligns with our platform charter : create a shared foundation that enables product teams to ship reliable observable and performant experiences quickly and safely. By centralizing common work youll let product engineers focus on shipping features rather than re-inventing the wheel. This is a high-impact role where the code you write and the systems you build will amplify the productivity and quality of engineering across the entire company.

If youre excited about building foundational systems solving cross-cutting technical challenges and enabling others to move faster with confidence wed love to hear from you.

This role is based in San Francisco CA. We use an in-person work model (3 days a week) and offer relocation assistance to new employees.

What Youll Do

Develop and maintain Harveys internal backend frameworks and libraries that provide common capabilities (API routing service lifecycle management caching and messaging primitives error handling interfaces etc.) so product teams dont have to reinvent them

Create and improve APIs service templates and versioned interfaces that establish consistent patterns for building new services and features

Introduce and champion modern backend architecture patterns like asynchronous I / O (asyncio) and streaming data processing continually evolving our platform for better performance and scalability

Design Harvey-specific abstractions and domain-specific frameworkscovering cross-cutting concerns (e.g. authorization streaming) and areas like data governance and event processingto provide product engineers with these capabilities out of the box.

Embed reliability and observability into the platform by building in tracing metrics and automated tests (shift-left) ensuring services built on our foundation are robust and easy to monitor

Collaborate with Model Infrastructure team to tackle challenges unique to GenAI-native applications such as supporting high-throughput model inference managing streaming and long-running API interactions and designing abstractions for retrieval context handling and prompt lifecycle

Collaborate with the Developer Experience and Infrastructure teams (who own CI / CD pipelines build tools and release infrastructure) to integrate our platform components seamlessly into the deployment and monitoring ecosystem

Work closely with product engineering teams to gather feedback evangelize best practices and make the paved road approach a reality providing strong defaults and clear documentation so teams can move fast with confidence

What You Have

7 years of software engineering experience (post-BS / MS) including building scalable backend systems or internal developer platforms

Proficiency in Python (or similar languages) and deep knowledge of backend development fundamentals (APIs data stores concurrency distributed systems)

Hands-on experience with web frameworks and service architectures (e.g. Flask / FastAPI Bounded context services microservices) and an understanding of designing clean versioned APIs

Familiarity with caching messaging and database technologies (Redis Kafka SQL / NoSQL databases Vector databases etc.) and how to use them effectively for high performance and reliability

A track record of writing high-quality well-tested code and using tools (unit / integration testing static typing CI) to catch issues early and ensure reliability

Strong problem-solving skills and a passion for improving developer experience you enjoy creating tools or frameworks that make other engineers more productive

Excellent collaboration and communication skills with the ability to work across teams and incorporate feedback.

Experience contributing to or maintaining internal libraries / frameworks is a plus.

Compensation Range

$175000 - $250000 USD

Please find our CA applicant privacy notice here.

Harvey is an equal opportunity employer and does not discriminate on the basis of race gender sexual orientation gender identity / expression national origin disability age genetic information veteran status marital status pregnancy or related condition or any other basis protected by law.

We are committed to providing reasonable accommodations to applicants with disabilities and requests can be made by emailing

Required Experience :

Senior IC

Key Skills

Spring,.NET,C / C++,Go,React,OOP,C#,AWS,Data Structures,Software Development,Java,Distributed Systems

Employment Type : Full-Time

Department / Functional Area : Engineering

Experience : years

Vacancy : 1

Monthly Salary Salary : 200 - 260