Skip to content

Senior Software Developer

Develops and maintains software for NCBI's Controlled Data Access systems using C++, Python, and cloud technologies. Requires 10+ years in OOP with C++, Linux programming, SQL, REST APIs, and Agile practices; onsite in Bethesda, MD with remote option.

About the job

Required Skills

  • 10+ years’ experience and demonstrated proficiency in Object-Oriented programming using C++
  • Fluency in scripting languages such as BASH, or Python
  • Programming experience in a Linux environment
  • Experience with Cloud technologies:
    • AWS: EC2, S3
    • GCP: GKE, Google Store
  • Ability to work with JSON and similar structured document formats
  • Experience with network programming, multi-threaded programming
  • Experience with SQL and relational databases
  • Experience with HTML, CGI and REST APIs
  • Experience with Agile development practices
  • Experience with CI/CD pipelines, unit tests, integration, and regression testing

Desired Skills

  • Understanding of theory of Capability Systems
  • Understanding of JSON Web Tokens (JWT) and JSON Web Signature (JWS)
  • Experience using cryptographic algorithms and PKI
  • Experience with keystores
  • Experience with AWS Lambda and GCP Cloud Functions
  • Experience in MSSQL stored procedures
  • Experience in multi-platform development (POSIX, .NET)
  • Experience with containers (Docker)

Job Responsibilities

  • Stay up to date with new technologies and changes to the infrastructure
  • Share your knowledge with the team and help mentor others
  • Provide expertise to other developers for the design and development of new solutions
  • Participate in cross product skill sharing activities to decrease knowledge silos
  • Develop, Test, and Deploy solutions for the product line
  • Maintain and develop code in support of the product line
  • Estimate, plan, and manage all assigned tasks and report on progress
  • Document software and systems to meet product and program requirements

Skills

C++, Python, Bash, Linux, SQL, AWS, GCP, JSON, REST APIs, CI/CD, Docker, Jwt, Jws, Agile, .Net

Coinbase

Coinbase

United States

Senior Software Engineer - Blockchain Network
$186k+/yrRemote5+ YOEBackend Engineering

Build and operate high-throughput blockchain infrastructure, APIs, and platform primitives integrating protocols such as Ethereum and Bitcoin with internal services. Requires 5+ years of software engineering experience, distributed-systems expertise, and hands-on crypto infrastructure experience.

Cloudflare

Cloudflare

Atlanta, GA
Senior Distributed Systems Engineer - Cache
$168k+/yrHybrid4+ YOEBackend Engineering

Design, build, and operate Cloudflare’s globally distributed cache and reverse-proxy data plane, improving performance, correctness, and resilience across the edge. Requires at least 4 years of production systems experience and proficiency in a systems or backend language.

Hinge Health

Hinge Health

San Francisco, CA

Senior Software Engineer - Backend
$158k+/yrHybrid5+ YOEBackend Engineering

Senior backend engineer designing and operating reliable billing and financial systems, APIs, data models, and distributed workflows. The role requires 5+ years of professional software development experience, strong backend expertise, and collaboration across Product, Finance, Operations, and Data.

CommandLink

CommandLink

United States
Senior Software Engineer
No salary listedRemote5+ YOEBackend Engineering

Senior individual contributor responsible for designing, building, operating, and improving large-scale backend services, APIs, and telemetry pipelines in Go and Python. The role requires production systems ownership, distributed-systems expertise, incident leadership, mentoring, and technical design leadership.

Fetch

Fetch

United States

Senior Backend Engineer II, Data & Agentic Context Platforms
$190k+/yrRemote8+ YOEBackend Engineering

Build and operate backend services, data pipelines, storage, and retrieval systems that provide trusted context to agentic platforms and product applications. The role requires 8+ years of software engineering experience, distributed-systems expertise, cloud infrastructure knowledge, and strong data modeling skills.