Engineer 3, Software Development & Engineering

Comcast brings together the best in media and technology. We drive innovation to create the world's best entertainment and online experiences. As a Fortune 50 leader, we set the pace in a variety of innovative and fascinating businesses and create career opportunities across a wide range of locations and disciplines. We are at the forefront of change and move at an amazing pace, thanks to our remarkable people, who bring cutting-edge products and services to life for millions of customers every day. If you share in our passion for teamwork, our vision to revolutionize industries and our goal to lead the future in media and technology, we want you to fast-forward your career at Comcast.

Job Summary

Responsible for designing, developing, and maintaining full-stack applications that support Agentic AI solutions, AI copilots, intelligent automation, and enterprise workflow orchestration. Works independently on complex features and contributes to architecture, application design, and user experience. Collaborates with AI engineers, backend engineers, product managers, and business stakeholders to deliver scalable, secure, and user-friendly AI-powered applications.

Job Description

Core Responsibilities

• Design, develop, and maintain full-stack web applications using modern frontend and backend technologies.
• Build responsive and intuitive user interfaces for AI copilots, agent dashboards, workflow management, and analytics applications.
• Develop backend APIs, microservices, and orchestration services that support Agentic AI workflows and enterprise integrations.
• Integrate AI services, LLMs, and agent frameworks into business applications.
• Build interfaces enabling users to interact with AI agents, intelligent assistants, and enterprise knowledge systems.
• Develop and maintain Retrieval-Augmented Generation (RAG) powered applications and search experiences.
• Implement authentication, authorization, security, and role-based access controls.
• Collaborate with UX designers, AI engineers, and product teams to deliver high-quality user experiences.
• Participate in code reviews and follow software engineering best practices.
• Implement monitoring, logging, observability, and performance optimization.
• Troubleshoot and resolve application, integration, and production issues.
• Contribute to CI/CD pipelines and automated testing initiatives.
• Document application architecture, technical designs, and implementation details.

Skills and Experience

• 5-8 years of experience in Software Engineering or Full Stack Development.
• Strong programming experience with TypeScript/JavaScript and Python.
• Experience building modern web applications using React, Next.js, Angular, or similar frameworks.
• Experience developing backend services using FastAPI, Node.js, Express.js, Spring Boot, or similar frameworks.
• Experience building REST APIs, Graph APIs, and microservices.
• Experience working with PostgreSQL, MySQL, MongoDB, DynamoDB, or similar databases.
• Experience with cloud platforms such as AWS or Azure.
• Familiarity with Docker, Kubernetes, CI/CD pipelines, and DevOps practices.
• Strong understanding of distributed systems, API integrations, and cloud-native architectures.
• Strong troubleshooting, debugging, and problem-solving skills.
• Experience working in Agile/Scrum environments.

AI & Agentic AI Skills

• Experience building AI-powered applications, copilots, intelligent assistants, or workflow automation solutions.
• Experience integrating OpenAI, Azure OpenAI, Claude, Gemini, or similar LLM platforms.
• Familiarity with Agentic AI frameworks such as LangChain, LangGraph.
• Understanding of Retrieval-Augmented Generation (RAG), embeddings, vector databases, and semantic search concepts.
• Experience building conversational AI experiences, chat interfaces, and AI-powered user experiences.
• Familiarity with prompt engineering, tool calling, function calling, context management, and agent orchestration.
• Experience integrating enterprise knowledge sources and AI search capabilities into applications.
• Knowledge of AI observability, evaluation frameworks, governance, and responsible AI practices.

Preferred Technologies

• React, Next.js, TypeScript
• Python, FastAPI, Node.js
• PostgreSQL, MongoDB, DynamoDB
• AWS (Lambda, ECS, API Gateway, DynamoDB, S3) or Azure Services
• Docker & Kubernetes
• GitHub Actions / Jenkins
• LangChain, LangGraph
• OpenSearch / Elasticsearch
• Azure OpenAI, OpenAI APIs, Claude, Gemini

Employees at all levels are expected to:

• Understand our Operating Principles; make them the guidelines for how you do your job.
• Own the customer experience think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services.
• Know your stuff be enthusiastic learners, users and advocates of our game-changing technology, products and services, especially our digital tools and experiences.
• Win as a team make big things happen by working together and being open to new ideas.
• Be an active part of the Net Promoter System a way of working that brings more employee and customer feedback into the company by joining huddles, making call backs and helping us elevate opportunities to do better for our customers.
• Drive results and growth.
• Support a culture of inclusion in how you work and lead.
• Do what's right for each other, our customers, investors and our communities.

Disclaimer: This information has been designed to indicate the general nature and level of work performed by employees in this role. It is not designed to contain or be interpreted as a comprehensive inventory of all duties, responsibilities and qualifications.

We believe that benefits should connect you to the support you need when it matters most, and should help you care for those who matter most. That's why we provide an array of options, expert guidance and always-on tools that are personalized to meet the needs of your reality-to help support you physically, financially and emotionally through the big milestones and in your everyday life.

Please visit the benefits summary on our careers site for more details.

Education

Bachelor's DegreeWhile possessing the stated degree is preferred, Comcast also may consider applicants who hold some combination of coursework and experience, or who have extensive related professional experience.

Certifications (if applicable)

Relevant Work Experience

5-7 YearsComcast is an equal opportunity workplace. We will consider all qualified applicants for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity, national origin, disability, veteran status, genetic information, or any other basis protected by applicable law.