Salesforce Data Developer

Synechron; Polska; On-site; PLN 120,000 - 180,000; Full time

Job summary

Synechron is seeking a Data Developer to join our Salesforce practice in Poland. The role focuses on data engineering within regulated industries, leveraging SQL, data mapping, and API integration to deliver enterprise-scale Salesforce solutions.

Ideal candidates will work with large datasets, perform data cleansing and validation, and design robust test plans to ensure data integrity across integrations and migrations.

Qualifications

• Solid SQL and relational DB knowledge required.
• Experience with data mapping, cleansing and validation.
• Experience with data integration via REST/SOAP APIs.
• Ability to handle large data volumes and batch processing.
• Experience designing and executing test/validation plans (dry runs, reconciliation, rollback).

Skills

SQL

Data mapping

Data cleansing

Data validation

API integration (REST/SOAP)

Batch processing

Test planning & validation

Tools

Data Loader

Bulk API

SOQL

Job description

At Synechron, we believe in the power of digital to transform businesses. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. We specialise in end-to-end AI, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering for leading financial services and technology organisations.

Over 20 years, we've been recognised with multiple employer awards for our commitment to people and culture. Today, Synechron has over 17,000 professionals across 58 offices in 23 countries, delivering transformation for some of the world's largest organisations.

The Opportunity

We're seeking a Data Developer to join our Salesforce practice in Poland. Our award-winning team specialises in Salesforce for regulated industries (Financial Services, Comms, Media and Technology and Energy and Utilities), bringing industry expertise, deep Salesforce knowledge, enterprise scale, and engineering capability to every project.

Why Synechron is Different

We combine deep industry expertise with proven delivery at leading regulated organisations. Our 100-strong Poland team brings great learning and project opportunities, backed by the wider Synechron family of 17,000+ technology professionals globally.

On Salesforce specifically: we have 200+ certified experts with over 1,000 combined certifications and a 4.9 average CSAT. More importantly, we don't specialise in a single product. We work across Communications Cloud, Revenue Cloud, Data 360, Agentforce, MuleSoft, Headless 360, and the broader Salesforce ecosystem, architecting connected, intelligent solutions that go beyond traditional CRM.

That means you get specialist Salesforce expertise backed by enterprise-scale engineering, data, AI, and cloud capability.

What You'll Need

• Strong SQL skills and relational database knowledge
• Experience with data mapping, cleansing, and validation
• Data integration via APIs (REST/SOAP)
• Ability to work with large data volumes and batch processing
• Capability to design and execute test/validation plans (dry runs, reconciliation, rollback)

Nice to Have

• Python or other scripting languages
• Data warehousing or data lake solutions
• Salesforce hands-on experience (Data Loader, Bulk API, SOQL)