MuleSoft Developer (All Levels) – Hybrid

About the role

In partnership with a major French banking group, Proxiad SEE is building a new team in Bulgaria and North Macedonia. We are hiring MuleSoft developers at junior, mid and senior levels to design and deliver integration solutions on the Anypoint Platform.

Key responsibilities

• Design, develop and maintain Mule 4 applications and APIs following API‑led connectivity principles.
• Build high‑volume data flows that process millions of rows using batch, streaming, parallelism and pagination.
• Integrate with Salesforce via REST and Bulk APIs, selecting the optimal approach for each use case.
• Write efficient DataWeave 2.0 transformations for large and complex payloads.
• Develop custom Java components when out‑of‑the‑box connectors are insufficient.
• Write and optimise SQL queries for extraction, staging and loading of large datasets.
• Migrate or work alongside existing ETL processes built with Informatica or Talend.
• Create unit and integration tests with MUnit and contribute to CI/CD pipelines.
• Collaborate with architects, Salesforce teams and client stakeholders on requirements and technical design.

Required profile

• Hands‑on experience with MuleSoft (Mule 4, Anypoint Studio, DataWeave 2.0).
• Proven ability to design high‑volume, performance‑focused integration flows.
• Working knowledge of Salesforce REST and Bulk APIs and understanding of Governor Limits.
• Solid Java background with object‑oriented design and performance considerations.
• Strong SQL skills and experience with relational databases (Oracle, PostgreSQL, SQL Server, MySQL).
• Experience with at least one ETL tool such as Informatica or Talend.
• Familiarity with Git and basic CI/CD practices.
• Good English communication skills.

Required skills

• MuleSoft (Mule 4, Anypoint Studio, DataWeave 2.0)
• Salesforce REST API & Bulk API
• Java
• SQL
• Oracle, PostgreSQL, SQL Server, MySQL
• Informatica or Talend
• Git
• CI/CD basics (MUnit, pipelines)

What we offer

• Hybrid work model with a minimum of two days per month onsite.
• Remote options available.
• 25 days of paid annual leave.
• Additional health insurance covering dental and optical services.
• Language classes, learning & development opportunities and internal recognition bonuses.
• Team‑building activities, game nights, hikes and other social events.
• Gifts for work anniversaries, birthdays and employee discounts.