Back-End Developer

Creative information Technology

. Design and develop RESTful APIs and microservices .

Posted 11/5/2026contractRemote • Virginia • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and developing RESTful APIs and microservices, with strong proficiency in Node.js or Python, and hands-on experience with AWS services including Lambda, API Gateway, and DynamoDB. Capable of ensuring security, performance, and scalability of backend systems while collaborating effectively across teams.

Highest-signal resume keywords

Node.js Backend DevelopmentAWS Lambda FunctionsAPI Gateway IntegrationCI/CD PipelinesAWS Certified Solutions Architect

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

RESTful API DevelopmentMicroservices ArchitectureAWS LambdaDynamoDBPostgreSQLCognitoS3Serverless ArchitectureAuthentication and AuthorizationInfrastructure as Code

Soft Skills

Problem-Solving SkillsCommunication SkillsCollaboration SkillsTime-Management SkillsAdaptability

Tools & Technologies

CloudFormationTerraformSonarQubeCloudWatchX-Ray

Certifications & Qualifications

AWS Certified Solutions ArchitectAWS Certified Developer

Industry Keywords

Loan Origination SystemsServicing SystemsAgile EnvironmentSecurity Best PracticesEvent-Driven Architecture

Tech Stack

Tools & technologies

AWSCloudDynamoDBJavaJavaScriptMicroservicesNode.jsPostgresPythonRaySQLTerraform

About the role

Key responsibilities & impact

Design and develop RESTful APIs and microservices
Build and maintain efficient AWS Lambda functions and event-driven architectures
Integrate backend systems with AWS API Gateway, DynamoDB, PostgreSQL, Cognito and S3
Ensure backend systems are secure, performant and scalable
Implement automated testing and participate in code reviews
Collaborate with business analysts, architects, front-end developers and QA testers
Participate in testing and deployment processes
Troubleshoot and resolve technical issues across the stack
Support modernization and enhancement of a loan origination and servicing system

Requirements

What you’ll need

Strong experience with Node.js or Python for backend development
Hands-on experience with AWS Lambda, API Gateway, DynamoDB, PostgreSQL, Cognito and S3
Knowledge of serverless architecture and best practices
Familiarity with CI/CD pipelines and infrastructure as code (CloudFormation, Terraform or CDK)
Understanding of authentication and authorization, including OIDC (OAuth2) and JWT
Strong understanding of security best practices in cloud environments
Excellent problem-solving skills and ability to work in an agile environment
Preferred: AWS Certified Solutions Architect or Developer
Preferred: Experience with monitoring and logging tools such as SonarQube, CloudWatch and X-Ray
Preferred: Experience with large-scale information technology and database systems utilizing Java technologies and SQL Server
Preferred: Experience developing and/or supporting loan origination and servicing systems
Strong written and oral communication skills in English
All contractor employees must be able to read, write, speak and understand English
Strong communication and collaboration skills at all organizational levels
Ability to work independently and in a team setting
Strong time-management and prioritization skills
Adaptability to fast-paced and evolving project requirements
Exceptional customer service skills

Benefits

Comp & perks

Remote work schedule
Opportunity to work on modernizing and enhancing a loan origination and servicing system
Work in a dynamic, agile delivery environment