Senior Consultant, Full Stack Engineer (Node.js/React/Typescript/AWS)

Infinitive; McLean (VA); On-site; USD 85,000 - 135,000; Full time

Job summary

Infinitive in the Washington, DC area is seeking a highly skilled Full Stack Engineer to design, develop, and maintain scalable backend and frontend solutions using Node.js, TypeScript, and cloud services.

You will collaborate with cross-functional teams to implement secure APIs, optimize performance, and build robust backend systems while mentoring junior engineers and contributing to engineering best practices.

Qualifications

• Design, develop, deploy, and maintain scalable backend services with Node.js and TypeScript.

Responsibilities

• Collaborate with UI/UX designers and product managers to deliver intuitive user experiences.

Skills

Agile/Scrum

Mentoring

Cross-functional teamwork

Problem solving

Cloud thinking

Tools

Node.js

TypeScript

RESTful APIs

Camunda BPM

SQL

Snowflake

PostgreSQL

AWS

OAuth / JWT

Job description

*Candidates must be local to the Washington D.C. metro area and must possess work authorization which allows them to be hired as a full-time Infinitive employee without the need for Visa sponsorship.

About Infinitive:

Infinitive is a data and AI consultancy that helps clients modernize, monetize, and operationalize their data to generate lasting value. They pride themselves on their deep industry and technology expertise, ensuring that they drive and sustain the adoption of new capabilities. Infinitive is committed to aligning their team with their clients' culture, ensuring a successful partnership by bringing the right mix of talent and skills for high return on investment.

Infinitive has earned recognition as one of the \"Best Small Firms to Work For\" by Consulting Magazine, receiving this accolade seven times, most recently in 2024. They have also been honored as a “Top Workplace” by the Washington Post, “Best Places to Work” by the Washington Business Journal, and “Best Places to Work” by Virginia Business.

Job Description:

We are seeking a highly skilled Full Stack Engineer to join our dynamic team. This role requires a versatile developer with a passion for both front-end and back-end technologies, as well as experience with cutting‑edge data solutions. You will work collaboratively with cross‑functional teams to design, develop, and maintain scalable applications, ensuring seamless user experiences and robust backend systems.

Key Responsibilities

• Design, develop, deploy, and maintain scalable backend services using Node.js and TypeScript.


• Develop and maintain RESTful APIs supporting enterprise applications.


• Build and enhance workflow automation solutions using Camunda BPM.


• Implement secure authentication and authorization mechanisms for APIs and backend services.


• Optimize application performance, scalability, and reliability.

Frontend Development

• Collaborate with UI/UX designers and product managers to deliver intuitive user experiences.


• Develop integrations with Snowflake, PostgreSQL, and external enterprise systems.


• Troubleshoot data synchronization and pipeline issues across distributed applications.


• Write and optimize SQL queries to support business workflows and reporting.


• Build scalable cloud‑native applications using AWS services.

Production Support & Operations

• Monitor production applications and investigate complex production issues.


• Perform root cause analysis and implement long‑term solutions.


• Improve system observability, reliability, and operational efficiency.


• Participate in production deployments and support release activities.


• Partner with product managers, architects, designers, and engineers to define technical solutions.


• Participate in code reviews and contribute to engineering best practices.


• Mentor junior engineers and support knowledge sharing across the team.

Preferred Qualifications

• Experience working in Agile/Scrum development environments.


• Experience with infrastructure as code or cloud automation.


• Experience improving application performance and reliability.


• Experience mentoring junior engineers and participating in technical design discussions.

Infinitive is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $85,000 - $135,00.00.

Infinitive is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by applicable federal, state, or local law.