Q

Quidient

API-first platform enabling 5D scene reconstruction

Senior Backend Engineer

Backend EngineeringConfirmed live in the last 24 hours
Full-timeColumbia, MD, USA

About the Job

Requirements

  • A bachelor's degree in Computer Science or a related field, or equivalent demonstrated experience.
  • At least 4 years of professional experience building and maintaining backend systems and APIs in production environments.
  • Ability to design APIs, data models, and service boundaries that withstand production load.
  • Strong application-layer AWS experience, including services such as Lambda, API Gateway, S3, EC2, ECS/EKS, or CloudFormation.
  • Hands-on experience with Docker, containerized deployments, and microservice architecture.
  • Strong Python and/or Node.js skills in a production backend context.
  • Experience with CI/CD pipelines, automated testing, and infrastructure-as-code.
  • Willingness to work on-site in Columbia, Maryland, in a hybrid capacity.
  • Must meet Quidient, customer, and government security requirements, which may include background checks, citizenship verification, and Criminal Justice Information Services verification.

Responsibilities

  • Own and evolve the backend API layer for commercial partners and internal applications integrating with the 3D reconstruction and processing platform.
  • Design and maintain microservice architectures handling 3D scene data from mobile capture through cloud-based processing and delivery.
  • Build and operate AWS cloud infrastructure, including compute, storage, networking, and serverless components, with a focus on reliability, security, and cost efficiency.
  • Implement and maintain CI/CD pipelines, containerized deployments using Docker, and infrastructure-as-code.
  • Monitor system performance, troubleshoot backend and cloud issues, and maintain platform uptime for production workloads.
  • Design and implement computational offloading systems that move high-performance, low-latency processing from edge devices to cloud infrastructure.
  • Implement security best practices, including IAM policies, encryption at rest and in transit, and OAuth/OpenID authentication protocols.
  • Contribute production-quality code in Python and/or Node.js across backend services and infrastructure.
  • Work with the platform engineering manager and cross-functional teams to prioritize backend work that unblocks product delivery.
  • Identify and resolve technical debt, performance bottlenecks, and scalability gaps in the backend stack.

Desired Qualifications

  • Familiarity with serverless architecture, including AWS Lambda, and event-driven backend design.
  • Understanding of networking concepts.
  • Knowledge of security best practices, including IAM, encryption, and OAuth/OpenID implementation.
  • Background in 3D imaging, computer vision, or graphics processing pipelines.
  • Experience with high-performance computing or low-latency data processing.
  • Experience at an AWS consulting partner or service company, or in an AWS-heavy product engineering environment.

About the Company

Quidient

API-first platform enabling 5D scene reconstruction

Quidient provides a 5D imaging platform called Quidient Reality that developers can access via an API to add scene virtualization to apps. It creates relightable, photorealistic 3D models by capturing three spatial dimensions of matter and two directions of light, using a process called Plenoptic Condensation to separate light from matter. This approach lets it reconstruct challenging surfaces like transparent or shiny objects beyond traditional 3D scans, and it offers licensing and SDKs to development partners including large enterprises and government agencies. Its goal is to make high-fidelity, relightable 3D representations practical for real-world applications across industries such as insurance, automotive, defense, healthcare, and entertainment.

Company size
11-50
Company stage
Grant
Total funding
$10.9M
Headquarters
Columbia, SC
Founded
2016

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