Full-stack developer

Gratia Prima Indonesia

India

5-7 Years

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Posted 13 hours ago
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Job Description

About The Role

Gratia is expanding its elite delivery team to optimize and scale critical operational infrastructure for a high-profile US client. As a Full-Stack Web Developer, you will be taking ownership of an existing internal pricing application, transforming architectural blueprints into robust live features.

You will not be building from scratch. Instead, you will dive into a single-developer codebase, map existing data structures, and execute complex schema migrations on a live system without disrupting upstream Salesforce data or downstream Kimball systems.

Why join Gratia

High ownership: Own the build quality and execution. You will have full autonomy over feature deployment and live schema migrations, working in a highly collaborative, single-developer codebase environment.
High-profile US client: See the immediate impact of your work on live business systems with fast iteration cycles, high visibility, and potential project extension.
Future projects: Top performers have priority for future full-stack development, integration, and systems architecture engagements with Gratia across a range of clients and modern tech stacks.

What You'll Do

Partner directly with the original founding developer to co-maintain, optimize, and expand the existing web application.
Own the end-to-end execution of a major live data model migration, ensuring zero downtime or data corruption.
Maintain, troubleshoot, and build out robust integrations connecting upstream Salesforce data to downstream Kimball systems.
Multi-archetype data splitting, rewiring approval logic, implementing a new pricing mode, updating 6 lookup tables, and building corresponding UI updates.
Independently build out admin UIs, value levers, historical context trackers, and feature toggles.

What we are looking for

5+ years of professional full-stack web development experience.
Expert-level proficiency with relational data modelling (SQL/PostgreSQL/MySQL) with proven experience running live schema migrations.
Deep working knowledge of Salesforce API and PSA / billing tool integrations.
Demonstrated ability to join, respect, and rapidly navigate a single-developer, legacy codebase.
Bilingual English / Spanish fluency

Contract details

Starting at $30/hour
Able to start 1 week from offer acceptance
Work duration 6 months (extension possible)
Background check is required
Flexible, with 4-6hrs overlap with US business hours required. Please share your typical working hours.
Independent consulting/freelancer contract with 20/hr per week requirement

More Info

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About Company

Gratia Prima IndonesiaJob Source: www.linkedin.com

Job ID: 148340513

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Last Updated: 26-05-2026 06:11:00 AM

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