Senior Backend Developer

21 hours ago


Queenstown, Singapore Oncoshot Pte Ltd Full time

**About Oncoshot**:
Oncoshot is an innovative oncology startup focused on transforming cancer care through secure, data-driven collaboration between healthcare providers and pharmaceutical companies. Our federated data platform accelerates clinical trials by ensuring secure, real-time data exchanges, all while maintaining strict data privacy across multi-cloud environments.

**Position Overview**:
As a **Senior Backend Developer**, you will be responsible for designing, developing, and maintaining the backbone of Oncoshot’s platform. You will lead the development of scalable and high-performance backend systems, ensuring robust communication across multiple cloud providers while adhering to industry-leading security and compliance standards. Your role will focus on optimizing performance for large healthcare datasets and building secure, cloud-agnostic APIs.

**Key Responsibilities**:

- Architect and develop scalable backend systems using **.NET Core**, focusing on high-performance APIs and data exchanges
- Design secure data pipelines and backend solutions that scale across **AWS**, **GCP**, and **Azure**:

- Optimize **PostgreSQL** databases to efficiently manage complex healthcare data
- Ensure high performance, security, and compliance (HIPAA, GDPR) in handling sensitive patient information
- Collaborate with cross-functional teams including frontend developers, data scientists, and DevOps engineers to deliver cohesive platform functionality
- Mentor junior developers and contribute to architectural decisions

**Required Skills**:

- **7+ years** of hands-on experience with **C#** and **.NET Core**:

- Extensive experience building scalable APIs and working with high-volume data
- Proven expertise in **PostgreSQL** database architecture and optimization
- Experience working in **multi-cloud environments** (AWS, GCP, Azure) with a focus on secure data handling
- In-depth understanding of **microservices architecture**, distributed systems, and cloud security best practices
- Familiarity with Agile development methodologies and tools like **Jira** and **Confluence**.
- Experiences with coding standards in healthcare (RxNorm, ICD10, SNOMED-CT, LOINC, HGVS nomenclature and interoperability standards (FHIR and HL7)

**Job Types**: Full-time, Permanent

Pay: $7,000.00 - $10,000.00 per month

Schedule:

- Monday to Friday

**Education**:

- Professional Qualification (preferred)

**Experience**:

- .NET Core: 7 years (required)
- C#: 7 years (required)

Work Location: In person

Application Deadline: 30/06/2025



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