Freelance Data Engineer, Postgres, Systems Integration

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🔥 1 minute ago

🇩🇪 Germany – Remote

⏳ Contract/Temporary

🟡 Mid-level

🟠 Senior

🚰 Data Engineer

👻 Ghost score 12%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Juni

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2020

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

Juni is a financial technology company that offers a comprehensive platform for business banking, spend management, and accounting services. Designed specifically for e-commerce entrepreneurs, Juni provides tools such as multi-currency accounts, corporate cards, automated accounting integration, and real-time spend control features. With a focus on lowering operational costs and enhancing financial visibility, Juni aims to streamline financial processes for businesses operating in multiple markets.

📋 Description

• Build the layer connecting seven SaaS tools to a central Postgres database in both directions • Develop multiple inbound pipelines for each system • Resolve identities and determine which person or company a payload belongs to • Push database-originated state to the platform that executes it • Maintain consistency when platforms report back or contradict the database • Prevent opted-out people from being re-added • Deliver KPI data to a BI tool • Make the data lake queryable in natural language • Document decisions and maintain pipelines in GitHub • Help evaluate and evolve the data model as new systems are integrated

🎯 Requirements

• Experience integrating third-party APIs and webhooks, including pagination, retries, signature verification, rate limits, undocumented payload shapes, late and out-of-order events, and sources that fire on every change without identifying what changed • Experience with bidirectional synchronization, including loop prevention, echo suppression, and conflict resolution • Strong Postgres experience as an application database, including plpgsql functions, triggers, constraints, and row-level security (RLS) • Idempotent pipeline design and implementation • Git discipline, including migrations, pull requests, and code review • Experience working with personal data under GDPR and understanding ingestion constraints • Written English • Useful but not required: n8n or another orchestrator • Useful but not required: Supabase • Useful but not required: relevance work on a search index such as Elasticsearch, OpenSearch, or Meilisearch • Useful but not required: experience as the only person on a system • German is useful but not required

🏖️ Benefits

• Remote and mostly async working arrangement • Freelance engagement • Three months to begin with, with continuation assessed based on needs

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