Senior Backend Developer (Node JS)

Cognizant; Plano (TX, MA); Hybrid; USD 140,000 - 190,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

401(k) plan

Paid holidays plus PTO

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant is seeking a Senior Backend Developer to design, build, and maintain scalable backend services using Node.js, TypeScript, and GraphQL. You will work with React-based Micro Frontend teams to ensure robust API contracts and secure data flow.

The role involves cloud-native AWS solutions, microservices, and a strong emphasis on CI/CD, testing, and production readiness in a hybrid model with 3 days onsite in Plano, TX or Boston, MA.

Qualifications

• 8-15 years of hands-on software engineering, backend focus with Node.js/JavaScript/TypeScript, NestJS and ExpressJS.
• Proven experience designing, building, and scaling GraphQL APIs (schemas, resolvers, queries, mutations).
• Strong experience with AWS cloud services (Lambda, AppSync, CDK).
• Experience with microservices architecture, Docker, and Kubernetes.
• Strong DB experience across SQL and NoSQL (PostgreSQL, MySQL, RDS, DynamoDB, MongoDB, Redis).
• Familiarity with CI/CD pipelines using GitHub Actions, GitLab CI, or Jenkins.
• Experience with logging/monitoring/tracing (CloudWatch, ELK, Prometheus, Grafana, OpenTelemetry).
• Exposure to Java/J2EE and Spring Boot fundamentals.
• Experience in Agile/Scrum teams with two-week sprints, planning, estimation, and release support.
• Strong communication, collaboration, ownership, and problem-solving skills.

Responsibilities

• Design, develop, and maintain scalable backend services and APIs using Node.js, JavaScript, TypeScript, NestJS, and ExpressJS.
• Build and manage GraphQL schemas, resolvers, queries, and mutations to support React-based Micro Frontend applications.
• Partner with front-end and Micro Frontend teams to define API contracts and ensure secure, reliable data flow.
• Develop cloud-native backend solutions using AWS services such as AWS Lambda, AWS AppSync, and AWS CDK.
• Integrate backend services with SQL and NoSQL databases, third-party APIs, and enterprise systems.
• Support authentication, authorization, data security, observability, CI/CD, automated testing, and production troubleshooting.
• Participate in code reviews, architecture discussions, sprint planning, estimations, and Agile/Scrum delivery.

Skills

Node.js

JavaScript

TypeScript

GraphQL

NestJS

ExpressJS

AWS

Docker

Kubernetes

CI/CD

API design

Tools

GitHub Actions

GitLab CI

Jenkins

AWS CDK

CloudWatch

ELK

Prometheus

Grafana

OpenTelemetry

Job description

Senior Backend Developer -- Node.js / GraphQL

This position does not offer visa sponsorship. Candidates must be authorized to work without sponsorship now or in the future, including OPT, CPT, or any other work authorization requiring employer sponsorship.

About The Role

As a Senior Backend Developer , you will make an impact by designing, building, and maintaining scalable backend services and APIs using Node.js, TypeScript, and GraphQL . You will work closely with front-end teams building React-based Micro Frontend applications to ensure seamless API design, reliable integrations, and high-performing solutions.

You will be a valued member of the technology delivery team and work collaboratively with engineers, architects, product owners, and cross-functional stakeholders in a modern, cloud-native Agile environment.

In This Role, You Will

• Design, develop, and maintain scalable backend services and APIs using Node.js, JavaScript, TypeScript, NestJS, and ExpressJS.
• Build and manage GraphQL schemas, resolvers, queries, and mutations to support React-based Micro Frontend applications.
• Partner with front-end and Micro Frontend teams to define API contracts and ensure efficient, secure, and reliable data flow.
• Develop cloud-native backend solutions using AWS services such as AWS Lambda, AWS AppSync, and AWS CDK.
• Integrate backend services with SQL and NoSQL databases, third-party APIs, and internal enterprise systems.
• Support authentication, authorization, data security, observability, CI/CD, automated testing, and production troubleshooting.
• Participate in code reviews, architecture discussions, sprint planning, estimations, and Agile/Scrum delivery.

Work model

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring 3 days onsite presence in a client office in Plano, Texas, or Boston, Massachusetts .

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered

• 8- 15 years of hands-on software engineering experience, with strong expertise in backend development using Node.js, JavaScript, TypeScript, NestJS, and ExpressJS.
• Proven experience designing, building, and scaling GraphQL APIs, including schemas, resolvers, queries, and mutations.
• Strong experience with AWS cloud services, preferably including AWS Lambda, AWS AppSync, and AWS CDK.
• Experience with microservices architecture, domain-driven design concepts, Docker, and Kubernetes.
• Strong database experience across SQL and NoSQL technologies, such as PostgreSQL, MySQL, Amazon RDS, DynamoDB, MongoDB, and Redis.
• Familiarity with CI/CD pipelines using tools such as GitHub Actions, GitLab CI, or Jenkins.
• Experience with logging, monitoring, and tracing tools such as CloudWatch, ELK, Prometheus, Grafana, or OpenTelemetry.
• Exposure to Java/J2EE and Spring Boot fundamentals.
• Experience working in Agile/Scrum teams, including two-week sprint delivery, planning, estimation, and release support.
• Strong communication, collaboration, ownership, and problem-solving skills.

These will help you stand out

• Experience collaborating with teams building React-based Micro Frontend applications.
• Hands-on React experience or a strong understanding of front-end application integration patterns.
• Prior experience supporting enterprise-scale, high-availability applications.
• Strong API-first mindset with the ability to design reliable, secure, and maintainable API contracts.
• Experience working across cross-functional teams in cloud-native engineering environments.

Benefits

Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

• Medical/Dental/Vision/Life Insurance.
• Paid holidays plus Paid Time Off.
• 401(k) plan and contributions.
• Long-term/Short-term Disability.
• Paid Parental Leave.
• Employee Stock Purchase Plan.

We're excited to meet people who share our passion for technology and innovation and who can make an impact in a variety of ways. , even if you meet most---but not all---of the requirements. We value transferable skills, diverse experiences, and fresh perspectives.