• Design, build, and maintain a robust browser extension for Chrome, Edge, and other major browsers using Manifest V3 and modern APIs. • Implement features that securely interact with web content and backend services, ensuring compliance with security best practices. • Optimize performance and reliability across diverse environments and user workflows. • Work closely with the endpoint agent and backend teams to ensure tight integration and consistent functionality across endpoints and services. • Stay ahead of evolving browser APIs, security standards, and extension ecosystem changes. • Participate in code reviews, testing, and continuous improvement of development processes.

• Design & execute software projects that are critical to Abnormal's core product, working with a team of engineers through conception, design, implementation, launch, and operation • Own and improve the stability, performance, and scalability of tier 0 backend services that process billions of emails daily • Collaborate with teams across R&D including Detection, Products, and Infrastructure to ensure Message Mailflow services meet the needs of the broader organization • Participate in oncall rotations to maintain the reliability and uptime of mission-critical systems • Drive continuous improvement by identifying opportunities to enhance system efficiency, reduce operational overhead, and increase reliability • Raise the bar of engineering excellence, actively contributing to knowledge sharing within the team and participating in professional development activities

• Design, develop, maintain, and support enterprise applications using modern .NET (.NET 9 and beyond) • Work directly with business users, customers, and stakeholders to understand requirements, clarify needs, and recommend practical solutions • Perform business analysis by documenting processes, identifying gaps, translating business requirements into technical specifications, and validating solutions with end users • Jump into existing and legacy .NET applications to troubleshoot production issues, analyze unfamiliar code, support integrations, and improve stability and maintainability • Debug complex application, data, integration, and configuration issues across legacy systems, APIs, SQL Server databases, scheduled jobs, and operational workflows • Work extensively with Microsoft SQL Server, including writing and optimizing SQL queries, views, stored procedures, and data fixes • Support and enhance existing database schemas, data integrations, reporting needs, and operational data flows • Build and maintain APIs and backend services that integrate internal and external systems • Develop, deploy, and support applications using Microsoft Azure development-related services, including Azure App Service and related cloud application services • Use AI-assisted development tools to accelerate research, code analysis, debugging, documentation, test planning, and solution design while maintaining sound engineering judgment • Work with AI/LLM APIs and services (e.g., Azure OpenAI or similar) to prototype and support lightweight AI-enabled features, integrations, or workflows • Understand and contribute to AI solution patterns such as prompt design, retrieval-augmented generation (RAG), and data grounding approaches, as applied to real business use cases • Evaluate practical AI use cases that can improve internal workflows, automate repetitive tasks, enhance knowledge retrieval, or support business users more effectively • Identify opportunities to modernize, refactor, and improve current solutions without disrupting business operations • Participate in technical discussions and help guide design and architectural decisions • Communicate clearly with engineers, business partners, customers, and stakeholders throughout discovery, development, testing, deployment, and support

• Design, build, and maintain full stack features across front-end and back-end systems. • Develop and integrate scalable back-end services using Node.js and C#. • Work with relational and NoSQL data stores to support application needs. • Build and deploy cloud-native solutions on AWS, leveraging event-driven and serverless patterns. • Write and maintain automated tests to ensure code quality and reliability. • Manage infrastructure as code and contribute to CI/CD pipelines. • Collaborate closely with cross-functional engineering teams in a fast-paced, agile environment.