Role Description We’re looking for a Full Stack Software Developer with a strong backend focus to join our growing engineering team. In this role, you’ll play a key part in building scalable, high-quality software by owning backend services, APIs, and integrations—while also contributing to frontend development to deliver complete, end-to-end solutions. This is an opportunity for a developer who enjoys taking ownership of meaningful features, influencing technical direction, and mentoring others while continuing to grow their own skillset. - Design, build, and maintain scalable backend services, APIs, and data layers, with frontend contributions as needed - Own and deliver end-to-end features, from concept through deployment - Optimize application performance, including database queries, service throughput, and system efficiency - Collaborate on architecture decisions, code reviews, and technology selection - Document systems, integrations, and technical solutions - Mentor junior developers and contribute to a culture of engineering excellence - Participate in Agile development processes (standups, sprint planning, retrospectives) - Support production systems through participation in an on-call rotation Qualifications - Bachelor’s degree in Computer Science (or equivalent practical experience) - 3+ years of software development experience - Strong experience building modern full stack applications, with a primary focus on backend development - Solid understanding of distributed systems, concurrency, and scalable architecture - Hands-on experience designing and building RESTful APIs - Experience working with relational databases (schema design, query optimization, stored procedures) - Proficiency with C#/.NET, SQL Server, and Azure - Working knowledge of JavaScript/TypeScript and Angular for frontend development - Experience with Git (or similar version control systems) - Familiarity with Azure DevOps or similar tools for tracking work and defects - Experience working in Agile environments, with exposure to CI/CD pipelines and automated testing - Participation in at least one full software development lifecycle Benefits - Full Healthcare: Health, dental, vision, and more - Support & Growth: Parental Leave, Tuition Reimbursement, Volunteer Time, and more for your personal and professional development - Learning & Development: Unlimited resources via HSI's Learning Management System and career training - Remote Work: Work from anywhere that boosts your productivity - Flexible Vacations: Take needed breaks with our generous time-off policy - Retirement Security: Benefit from our $1:$1 company match for retirement savings

• Lead and mentor a team of fullstack developers, providing technical guidance, code reviews, and performance feedback • Design and architect scalable fullstack solutions using .NET and React, ensuring adherence to best practices and design patterns • Develop and maintain backend services using C# and ASP.NET Core, and frontend applications using React.js • Collaborate with product managers, stakeholders, and cross-functional teams to translate business requirements into technical specifications • Establish and enforce coding standards, quality assurance processes, and development best practices across the team • Manage technical debt, optimize application performance, and implement database design improvements • Oversee CI/CD pipeline implementation and deployment strategies to ensure smooth and reliable releases • Participate in architectural decisions and technology evaluations for the organization • Facilitate agile ceremonies and ensure the team follows established development methodologies • Communicate technical concepts effectively to both technical and non-technical stakeholders • Contribute to the professional development and onboarding of new team members.

• Take ownership of the Fondue product and its underlying architecture — becoming the go-to technical expert for cashback, discounting, and incentives systems • Independently investigate, design, and execute solutions across evolving distributed systems with a high degree of ambiguity • Drive system decoupling and modularization — break down monolithic dependencies into flexible, independently deployable components • Implement AI-first coding practices and tooling to reduce cognitive load, accelerate development cycles, and shorten time-to-market for new capabilities • Help Fondue and other subsidiary products adopt Postscript's core tools, data formats, and technical standards to reduce cross-team friction • Architect, build, and maintain highly available, scalable REST APIs for internal and external use • Collaborate cross-functionally with finance and customer support teams — clear, proactive communication is essential in this role • Contribute to process and technical improvements; someone who can quickly ramp on new systems and propose meaningful changes will thrive here • Identify and eliminate single points of failure, improving knowledge redundancy and overall system resilience

• Design and evolve cloud-native platform architecture on AWS • Define and implement DevOps standards, including CI/CD, release strategies, and automation • Lead adoption of Infrastructure as Code (Terraform, CDK, CloudFormation) • Establish observability and APM standards (Datadog, OpenTelemetry, etc.) • Design and enforce secure-by-default architectures (IAM, networking, secrets management) • Drive reliability and scalability across distributed systems • Design and build the internal agentic platform • Implement Model Context Protocol (MCP) or similar patterns • Design agent orchestration patterns (multi-step workflows, tool calling) • Implement RAG systems using internal data sources • Establish best practices for prompt design and evaluation • Build guardrails and safety mechanisms for AI systems • Integrate agent workflows into internal services and APIs • Establish end-to-end observability across platform and agent systems • Optimize performance and cost across AWS and LLM usage