Salesforce & Heroku Integration Engineer (API & AI)

Sii Poland; Wrocław; On-site; PLN 200,000 - 340,000; Full time

Job summary

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

You will own the Heroku platform, shape integration strategies, and collaborate with Salesforce teams, architects, and business stakeholders.

Qualifications

• Minimum 3 years of commercial Heroku experience.
• Strong Salesforce architecture and integrations knowledge.
• Experience with REST APIs, webhooks, and OAuth 2.0.
• Experience with PostgreSQL and database optimization.
• Experience with cloud-based applications and integration platforms.
• Scripting or development skills in Node.js, Java, JavaScript, Python.
• 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 integration

REST APIs

Webhooks

OAuth 2.0

PostgreSQL

Node.js

Java

Python

English & Polish (B2)

Tools

Heroku Connect

Job description

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

You will own the Heroku platform, shape integration strategies, and collaborate with Salesforce teams, architects, and business stakeholders.