11d 1h ago
Backend Developer
📡Remote In-Country
|Polandetlnode_jspostgresql
Backend Developer
1 week ago
Remote In-Country
Full Time
Poland
Source not independently verified — confirm the company domain before applying.
ID 97258
NodeJS Data Migration
"Customer location: USA
Candidates locations: EU, all except Ukraine, Russia
Language: English B2
Estimated start date: 31.08.2026
Duration: 6 months"
Ideally, someone based in the EU/Poland, as the client may visit our Polish office to meet the team, or the candidate should be willing to travel to Poland for business trips.
Project Responsibilities
Migrate legacy system data and document storage to Supabase.
Execute identity consolidation algorithms (unite fragmented FMS and Approver accounts into unified users).
Database & Core Architecture:
Design the core Supabase/PostgreSQL database schema and Row-Level Security (RLS) policies.
Set up the audit log storage engine required for Audit Defence records.
Handoff: Establish the DB foundation and migration pipelines early so the Middle BE developer can build features on top of a clean architecture.
Candidate's Portrait
Data Migration & ETL and ETL expert specializing in legacy data extraction, account unification logic, and Supabase database architecture.
PostgreSQL/Supabase exp
ETL & Data Scripting
Data Cleansing / Deduplication
Must-haves
A Backend Developer with 5+ years of experience in Node.js, Database Engineering, PostgreSQL, and complex data migrations
Hands-on experience with Supabase infrastructure, Row-Level Security (RLS), and document storage integration.
Proven track record of writing data deduplication and user-account unification algorithms.
Expertise in setting up event-driven audit logging tables.
❗️❗️❗️Писать [apply contact hidden]⚡️⚡️⚡️⚡️ С РЕЗЮМЕ В КОТОРОМ УКАЗАН ВОЗРАСТ И ЛОКАЦИЯ НАХОЖДЕНИЯ. Укажите 🆔 вакансии❗️ Без этой информации отклики не рассматриваются ❗️❗️
NodeJS Data Migration
"Customer location: USA
Candidates locations: EU, all except Ukraine, Russia
Language: English B2
Estimated start date: 31.08.2026
Duration: 6 months"
Ideally, someone based in the EU/Poland, as the client may visit our Polish office to meet the team, or the candidate should be willing to travel to Poland for business trips.
Project Responsibilities
Migrate legacy system data and document storage to Supabase.
Execute identity consolidation algorithms (unite fragmented FMS and Approver accounts into unified users).
Database & Core Architecture:
Design the core Supabase/PostgreSQL database schema and Row-Level Security (RLS) policies.
Set up the audit log storage engine required for Audit Defence records.
Handoff: Establish the DB foundation and migration pipelines early so the Middle BE developer can build features on top of a clean architecture.
Candidate's Portrait
Data Migration & ETL and ETL expert specializing in legacy data extraction, account unification logic, and Supabase database architecture.
PostgreSQL/Supabase exp
ETL & Data Scripting
Data Cleansing / Deduplication
Must-haves
A Backend Developer with 5+ years of experience in Node.js, Database Engineering, PostgreSQL, and complex data migrations
Hands-on experience with Supabase infrastructure, Row-Level Security (RLS), and document storage integration.
Proven track record of writing data deduplication and user-account unification algorithms.
Expertise in setting up event-driven audit logging tables.
❗️❗️❗️Писать [apply contact hidden]⚡️⚡️⚡️⚡️ С РЕЗЮМЕ В КОТОРОМ УКАЗАН ВОЗРАСТ И ЛОКАЦИЯ НАХОЖДЕНИЯ. Укажите 🆔 вакансии❗️ Без этой информации отклики не рассматриваются ❗️❗️
Required Skills
etlnode_jspostgresql
Required Languages
🇬🇧 English