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About the Role
Drives high-quality software development and innovation, serving as a key driver of technical direction within Domain’s Residential Consumer web teams. Architects scalable, highly performant user interfaces and supporting back-end systems, writes and reviews code, and ensures all technical solutions align with the broader Domain Strategy. Leverages deep expertise across front and backend technology stacks to lead the development of complex features and champion frontend quality standards to solve real customer problems and enhance our website. Mentors and guides junior team members, fostering a culture of continuous improvement and engineering excellence. Collaborates closely within their cross-functional squad team, working closely with leaders and business analysts to ensure that software solutions are aligned with customer value and business needs.
Responsibilities
- Responsible for the entire lifecycle of medium-sized projects: engineering design, development, test, production, and deployment and subsequent fixes and improvements.
- Finds solutions to unsolved, loosely defined, highly technical problems.
- Consistently writes, co-writes, and reviews documentation and production-ready code that is clear, concise, tested, and easily understood by others.
- Quick and effective in identifying and resolving issues, balancing trade-offs between speed, quality, and technical debt.
- Approaches work with a security lens and actively looks for security vulnerabilities both in code and when providing code reviews.
- Understands the big picture and system-wide impact, aligning with and contributes to domain-wide architecture, security and technology standards.
- Designs solutions with scalability and future needs in mind.
- Optimises for performance, maintainability, and security, actively looks for security vulnerabilities both in code and when providing code reviews.
- Contribute to the System Health and Tech debt backlog for their respective owned service.
- Collaborate with Lead Engin
- Mentors and guides junior team members, fostering a culture of continuous improvement and engineering excellence.
- Encourages collaboration and team alignment, ensuring the squad develops high-quality solutions.
- Builds a deep understanding of their product and business domain.
- Collaborates with Product Owners to ensure that solutions are aligned with business and customer needs.
Requirements
- Degree in Computer Science / Software Engineering or related field
- Deep expertise in at least one programming language and stack, with strong preference for Node.js / TypeScript in backend systems
- Strong experience designing and operating GraphQL APIs (schema design, resolvers, performance, caching, observability, versioning/deprecation)
- Experience with Apollo GraphQL (Apollo Server and related tooling); Apollo Federation is a nice-to-have
- Strong understanding of synchronous and asynchronous integration patterns (REST/GraphQL APIs, events/messaging)
- Experience operating a GraphQL platform used by multiple teams/consumers, with a focus on reliability, performance, and developer experience
- Familiar with GraphQL frameworks such as Yoga, Apollo (Preferred)
- Experience with query cost analysis, rate limiting, depth limiting in GraphQL
- Authentication & authorization patterns in GraphQL
- Experience with AWS + Docker + ECS, with an understanding of platform evolution toward Kubernetes (nice-to-have)
- Hands-on experience leveraging AI coding assistants to improve engineering productivity and code quality.
- Experience designing software solutions built for high scale and high traffic websites.
- DevOps practices, CI/CD, and infrastructure-as-code
- Strong practical experience with cloud services technologies such as containerised deployment, DynamoDB, ElasticSearch/OpenSearch
- Familiarity with containerization technologies like Docker.
- Experience working effectively within Agile environments.
- Experience with C# .NET [NICE TO HAVE]
- Python to support our legacy services [NICE TO HAVE]
- Apollo Federation and/or other schema composition approaches [NICE TO HAVE]
- Hands on experience with AWS
- Experience with AI-assisted engineering workflows
- Experience building production AI/LLM systems
- AWS (or other Cloud Platform) Certification
Skills
- Node.js
- TypeScript
- GraphQL
- Apollo GraphQL
- Apollo Server
- REST
- Events/Messaging
- Yoga
- Query Cost Analysis
- Rate Limiting
- Depth Limiting
- Authentication
- Authorization
- AWS
- Docker
- ECS
- Kubernetes
- AI Coding Assistants
- DevOps
- CI/CD
- Infrastructure-as-code
- Containerised Deployment
- DynamoDB
- ElasticSearch/OpenSearch
- C# .NET
- Python
- Apollo Federation
- AI-assisted engineering workflows
- AI/LLM systems
Location
- Remote
Work Type
- Full-time
Experience Level
- Senior
- Senior Engineer
Education Level
- Degree in Computer Science / Software Engineering or related field
About the Company
- CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing
Equal Opportunity
- CoStar Group is an Equal Employment Opportunity Employer