Backend Engineer

ClearGrid

. Design, build and maintain ETL pipelines ingesting client data from APIs, CSV, Excel, SFTP and other external sources .

Posted 11/9/2026full-timeRemote • IndiaJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and maintaining ETL pipelines, integrating RESTful APIs, and ensuring data accuracy while adhering to secure coding practices. Proficient in backend development using Node.js and JavaScript, with strong analytical and problem-solving skills.

Highest-signal resume keywords

ETL Pipeline DevelopmentNode.js Backend DevelopmentRESTful API IntegrationMongoDB Query OptimizationSQL Data Processing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptNode.jsETL DevelopmentRESTful APIMongoDBSQLUnit TestingIntegration TestingData MappingData Validation

Soft Skills

Analytical SkillsProblem-SolvingAttention to DetailClear Communication

Tools & Technologies

GitJSONCSVSFTPAPIs

Industry Keywords

Data IntegrationData AccuracySOC 2 ComplianceSecure Coding Principles

Tech Stack

Tools & technologies

ETLJavaScriptMongoDBNode.jsSQL

About the role

Key responsibilities & impact

Design, build and maintain ETL pipelines ingesting client data from APIs, CSV, Excel, SFTP and other external sources
Implement extraction, transformation, mapping and validation logic for client account, update and payment data
Rework and optimise pipelines when client data sources or formats change, and resume interrupted ETL runs reliably
Build reusable components for faster client integrations and easier maintenance
Design, develop, test and maintain Node.js backend services and RESTful APIs
Build custom client API integrations and integrate internal services with third-party platforms
Write maintainable code with unit and integration tests, error handling, logging and monitoring
Participate in code reviews and contribute to engineering best practices
Write and optimise MongoDB and SQL queries, aggregations and data-processing logic
Implement automated validation, quality checks and reconciliation across systems
Investigate data accuracy issues and validate client-side connections
Build and maintain dashboards tracking data ingestion, integration health and data accuracy
Handle sensitive financial and customer data securely and adhere to SOC 2 controls and data protection practices
Work with Client Solutions, Engineering and Collections to understand requirements and deliver integrations
Recommend integration approaches such as ETL versus API
Debug and resolve issues across services, APIs and pipelines; automate repetitive work
Maintain technical documentation for APIs, integrations and workflows

Requirements

What you’ll need

Bachelor's degree in Computer Science, Software Engineering, Information Technology or a related field
2–3 years of hands-on backend development experience
Strong JavaScript and Node.js, including asynchronous programming, promises and error handling
Experience building and integrating RESTful APIs
Hands-on experience building or maintaining ETL pipelines or data integrations, including data mapping and validation
Working knowledge of MongoDB, including queries, updates and aggregation pipelines
Good understanding of SQL, including joins and aggregations
Experience working with JSON, CSV and other structured data formats
Experience writing unit and integration tests
Familiarity with secure coding principles and handling sensitive data
Familiarity with Git and version control workflows
Strong debugging, analytical and problem-solving skills, with close attention to detail
Clear written and verbal communication in English