Founding Staff Software Engineer — AI Platform
About the role
Claritri is seeking a senior, hands-on software engineer to join its founding engineering team and help build and enhance its AI-native enterprise platform. The role involves working closely with the CTO and founders, owning features from technical design through deployment and ongoing improvement. Responsibilities span backend services, frontend development, APIs, data modeling, and AI integrations. The ideal candidate will have strong experience in C#, ASP.NET Core, React, TypeScript, PostgreSQL, and cloud platforms such as Azure or Google Cloud. The position offers the opportunity to influence product and technical direction in a fast-moving startup environment.
Must have
- 8–12 years of software development experience.
- Strong, recent hands-on experience with C#, ASP.NET Core, .NET 8+ and REST APIs.
- Production experience with React and TypeScript.
- Strong experience with PostgreSQL, including relational data modelling and query performance.
- Experience building and deploying applications on Azure and/or Google Cloud.
- Ability to independently own features from design through implementation, testing and deployment.
- Sound engineering fundamentals, including application security, automated testing, debugging and maintainable code.
- Clear communication, reliable delivery and comfort working through ambiguity in an early-stage startup.
Nice to have
- Experience with LLM integrations, RAG, AI agents, tool calling, embeddings or vector databases.
- .NET 10 experience.
- Previous startup or early-stage product experience.
- CI/CD, Docker, Kubernetes, infrastructure as code or cloud-native development experience.
- Experience building multi-tenant SaaS products and distributed workflows.
- Mentoring, code review or technical leadership experience.
- Previous AI engineering experience is a bonus. Strong software engineering skills and the ability to learn and apply new technologies matter most.
Technologies
- Agentic AI
- Authentication
- Azure
- CI/CD
- Cloud Native
- C#
- CSS
- Data Ingestion
- Data Modeling
- Docker
- .NET
- Embeddings
- GCP
- GitHub
- GitHub Actions
- Infrastructure as Code
- Kubernetes
- LLM
- OpenAI
- PostgreSQL
- RAG
- React
- REST
- SaaS
- SQL
- Tailwind CSS
- Terraform
- Test Automation
- TypeScript
- Vector Databases
- Vertex AI
- Vite
Highlights
The role is remote, though Claritri is based in Singapore. Applicants are encouraged to apply via careers.claritri.com, including a résumé, LinkedIn profile, and examples of previous work. Candidates should describe a production feature or system they personally built. The company offers the chance to work directly with the founding team and shape the engineering foundations of the business.
Jobs across Sri Lanka, watched for you.Colombo, Sri Lanka