This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description This role offers a unique opportunity to lead the development of a high-growth, secure document management and sharing platform. The Senior Fullstack Product Software Engineer will design and implement features that enhance user experience, improve deal workflows, and integrate AI-enabled capabilities. Working in a startup-like, fast-paced environment, this position offers high ownership, cross-functional collaboration, and direct impact on product strategy and quality. - Lead fullstack development projects autonomously, balancing technical requirements with business objectives. - Collaborate with product managers, designers, and engineers to deliver robust, scalable, and user-friendly features. - Set and maintain high standards for code quality, operational reliability, and best practices through design and code reviews. - Mentor and provide guidance to teammates to support their professional growth and skill development. - Participate in on-call rotations to support production systems, debugging issues using logs, metrics, and traces. - Drive cross-team initiatives and contribute to the strategic direction of the product, ensuring alignment across engineering and product functions. - Identify technical risks proactively and implement solutions to prevent impact on system performance or user experience. Qualifications - 9+ years of experience in software engineering or related technical roles. - BS degree in Computer Science, Engineering, or a related technical discipline, or equivalent experience. - Strong expertise in Ruby on Rails applications and React. - Proven experience developing and deploying large-scale web applications with a user-centered focus. - Comfort in fast-paced, agile environments with continuous deployment practices and rapid iteration cycles. - Excellent problem-solving, analytical, and collaboration skills across diverse, cross-functional teams. - Preferred: familiarity with Typescript, GraphQL, HAML, PostgreSQL, and similar technologies used in fullstack product development. Benefits - Competitive base salary based on location (US Zone 2: $202,700–$274,300 USD; US Zone 3: $180,200–$243,800 USD). - High-impact role in a fast-growing, innovation-driven environment. - Opportunity to work on AI-enabled and cutting-edge product features. - Mentorship and career growth through collaboration with senior engineers and product leaders. - Flexible and collaborative work environment with exposure to cross-functional teams. - Participation in on-call rotations with full support and operational training.

This description is a summary of our understanding of the job description. Click on 'Apply' button to find out more. Role Description This role involves contributing to building scalable, modern services and applications utilizing cutting-edge technologies. - Take ownership of the development of applications, services, and APIs - Leverage cloud-native architectures and serverless solutions - Ensure high-quality software delivery while enhancing performance across both frontend and backend codebases - Collaborate with cross-functional teams to address complex challenges - Support ongoing development efforts in a rapidly evolving tech environment Accountabilities - Develop scalable backend APIs and microservices using Typescript, Node.JS, C# and Python - Develop scalable web applications in React - Write comprehensive unit tests with proper assertions and maintain high test coverage across frontend and backend codebases - Design and write testable code following Test-Driven Development (TDD) principles when applicable - Implement and maintain CI/CD pipelines for automated testing, building and deployment - Design and maintain cloud infrastructure using Infrastructure as Code (IaC) tools on AWS - Architect and implement serverless solutions leveraging AWS Lambda, API Gateway, DynamoDB, ECS Fargate and other AWS services - Collaborate with cross-functional teams to deliver high-quality software solutions - Participate in code reviews and maintain coding standards - Monitor application performance and implement optimizations - Troubleshoot and resolve technical issues across the full stack - Stay current with emerging technologies and AWS service updates - Document technical designs and maintain system documentation Qualifications - 3+ years of backend development experience - Strong proficiency in TypeScript for both frontend and backend development - Extensive experience building server-side applications and APIs using Node.js and C# - Experience building web applications and SPAs using React - Hands-on experience with continuous integration and deployment tools - Proficiency with AWS-focused Infrastructure as Code tools such as AWS CloudFormation, Terraform with AWS Provider, and Pulumi with AWS Plugin - Strong understanding of RESTful API design and database design (SQL and NoSQL) - Knowledge of software engineering best practices, including testing, documentation, and version control - Familiarity with containerization technologies (Docker, ECS) Benefits - Professional development opportunities and AWS training/certification support - Collaborative and innovative work environment - Opportunity to work with cutting-edge technologies and solve complex challenges - Competitive salary range of $130,000 to $165,000 - Medical, dental, and vision insurance - 401k with match - Generous paid time off - Free gym membership to over 13,000 fitness locations in the US

• Design, develop, and maintain software applications using .NET Core or.NET 6+ framework along with Microsoft ASP.NET Core/MVC or Blazor framework. • Adhere to Design Principles and provide innovative solutions. • Perform low-level design , create technical and functional specifications. • Prepare architectural, workflow diagrams, prototypes , etc., using tools like Visio, Draw.io, Figma, etc. • Work with Object-Relational Mapping (ORM) frameworks such as Entity Framework Core and Dapper. • Develop complex Stored Procedures, Triggers, Views in Azure SQL Server. • Create unit tests using xUnit or bUnit frameworks to ensure reliability and quality. • Utilize Azure DevOps and Git for seamless continuous integration and deployment processes. • Branching and merging the source code branches to manage the development workflow efficiently. • Participate in Agile development cycles , including sprint planning and daily scrums, to enhance team collaboration and project success. • Engage in peer code reviews , offer constructive feedback, and uphold coding excellence and best practices. Conduct Secure Code Reviews to ensure application security. • Ensure adherence to coding standards and conduct code reviews and code analysis using SAST and DAST tools. • Implement and maintain applications using Azure Services. • Manage deployments in Azure environments, optimising the application performance. • Perform basic cloud administration tasks in Azure. • Provide support and guidance to junior team members as needed.

• Design and deliver production grade backend systems that power a new consumer revolving credit product. • Own services that support underwriting, pricing, line management, transactions, ledgering, and servicing with strong guarantees around correctness, reliability, and observability. • Break down ambiguous product and economic requirements into clear technical designs and milestones, driving projects independently from design through launch and iteration. • Partner with machine learning engineers to productionize models and integrate AI driven decisioning into real time user flows with strict latency and reliability constraints. • Collaborate closely with mobile engineers to ensure backend systems support seamless, high quality consumer experiences. • Contribute to architectural decisions in a greenfield environment while integrating thoughtfully with Upstart’s broader lending platform. • Apply generative AI in practical ways, shaping customer facing AI features as well as internal tooling, automation, testing, and developer productivity workflows. • Raise the bar for engineering rigor through strong API contracts, data modeling, testing strategy, monitoring, and operational excellence.