Salesforce & Heroku Integrations Engineer

Sii Poland; Kraków; On-site; PLN 180,000 - 240,000; Full time

Job summary

Sii Poland is seeking an experienced Salesforce Developer to join an international team responsible for building and maintaining a modern Salesforce ecosystem used by thousands of users worldwide. This role focuses on integrating Salesforce with Heroku, PostgreSQL, and various APIs to deliver scalable business solutions.

You will own the Heroku platform and help shape cloud integration strategies in a global environment.

Qualifications

• Minimum 3 years of commercial experience with the Heroku platform.
• Strong understanding of Salesforce architecture and integrations.
• Experience with Heroku Connect.
• Proficient in REST APIs, webhooks, OAuth 2.0 and API integrations.
• Experience with PostgreSQL and database performance optimization.
• Experience with cloud-based applications and integration platforms.
• Good scripting or development skills in Node.js, Java, JavaScript, Python, or similar.
• Very good command of English and Polish at B2 level or higher.
• Residency in Poland.

Responsibilities

• Own and maintain the Heroku platform and related integrations.
• Manage Heroku applications, dynos, buildpacks, add-ons, and configuration.
• Design and develop integrations between Salesforce and external systems.
• Build and maintain API-based solutions, webhooks, event-driven integrations, and data synchronization processes.
• Configure and support Heroku Connect and PostgreSQL databases.
• Troubleshoot performance, stability, and scalability issues across the platform.
• Collaborate with Salesforce teams, architects, and business stakeholders.
• Support AI-based integrations, including LLM and prompt-driven solutions.
• Ensure compliance with security, governance, and data protection requirements.

Skills

Heroku

Salesforce

REST APIs

Webhooks

OAuth 2.0

PostgreSQL

Node.js

Java

JavaScript

Python

Cloud integrations

English (B2)

Polish (B2)

Tools

Heroku Connect

PostgreSQL

Job description

Sii Poland is seeking an experienced Salesforce Developer to join an international team responsible for building and maintaining a modern Salesforce ecosystem used by thousands of users worldwide. This role focuses on integrating Salesforce with Heroku, PostgreSQL, and various APIs to deliver scalable business solutions.

You will own the Heroku platform and help shape cloud integration strategies in a global environment.