Full-Stack Software Engineer

Ethereum Technologies; Bethesda (MD); On-site; USD 140,000 - 190,000; Full time

Job summary

Ethereum Technologies in Bethesda, MD seeks a senior software engineer with 10+ years of full-stack experience. You will build scalable, secure enterprise applications using React/TypeScript on the front end and Node.js on the back end.

The role emphasizes cloud-native design, REST APIs, microservices, and strong coding standards. Architectural decisions, design trade-offs, and CI/CD implementation will be part of your responsibilities, with collaboration across product, QA, and DevOps teams.

Qualifications

• 10–12+ years of experience in software engineering.
• Experience with React and TypeScript for front-end and Node.js for back-end.
• Design, develop and maintain cloud-native solutions on AWS using Docker and Kubernetes.

Responsibilities

• Design, develop, test, implement and maintain high-quality enterprise applications and services that support Procurement Technology.
• Build scalable front-end applications using React and TypeScript and back-end services using Node.js.
• Design, develop, and integrate RESTful APIs, microservices and integration solutions.
• Develop cloud-native solutions on AWS using containerised architectures with Docker and Kubernetes.
• Contribute to CI/CD, DevOps practices and operational readiness.

Skills

Full-stack engineering

REST APIs

Microservices

Cloud-native

Databases

Docker/Kubernetes

CI/CD

Code reviews

Tools

React

TypeScript

Node.js

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description: (Experience: 10 to 12+ Years)

• The ideal candidate has strong full-stack software engineering experience and a solid understanding of modern application architecture, REST APIs, microservices, cloud-native development, databases, containerized platforms and integration patterns.


• The candidate should be passionate about building secure, reliable, scalable and maintainable solutions, solving complex technical problems, contributing to technical design and engineering best practices and continuously improving software quality and delivery effectiveness.

Job Responsibilities:

• Design, develop, test, implement and maintain high-quality enterprise applications and services that support Procurement Technology.


• Build scalable, accessible and maintainable front-end applications using React and TypeScript and back-end services using Node.js.


• Design, develop, and integrate RESTful APIs, microservices and application integration solutions.


• Translate functional and business requirements into well-designed, maintainable technical solutions.


• Contribute to technical design and architecture discussions, including implementation approaches, design trade-offs and technical decisions within the team's scope.


• Develop cloud-native solutions on AWS using containerised application architectures with Docker and Kubernetes.


• Apply software engineering principles and design patterns to build secure, reliable, scalable, maintainable and high-performing applications.


• Design data models and use SQL and NoSQL databases effectively, including query optimisation and appropriate data-access patterns.


• Develop and maintain automated unit, integration, API and application-level tests to improve software quality and reduce regression risk.


• Participate in code reviews and provide constructive feedback to maintain standards for quality, security, performance and maintainability.


• Troubleshoot complex application, API, integration and production issues; perform root-cause analysis; and implement sustainable corrective actions.


• Contribute to CI/CD and DevOps practices, including automated build, test, deployment, release and rollback processes.


• Support application logging, monitoring, observability, operational readiness, production support and the team's on-call rotation, as applicable.


• Create and maintain technical documentation, including application designs, API specifications, integration details, runbooks and operational documentation.


• Collaborate with product managers, architects, QA engineers, DevOps and SRE teams, system integrators and other engineers to deliver end-to-end technology solutions.


• Provide technical guidance, code-review support and knowledge-sharing to junior engineers.


• Identify practical opportunities to improve application architecture, engineering practices, automation, performance, reliability and developer productivity.


• Utilise AI-assisted development tools responsibly, where appropriate, to improve coding, testing, documentation, and overall efficiency.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.