Salesforce & Heroku Integrations Engineer

Sii Poland; Bydgoszcz; On-site; PLN 120,000 - 210,000; Full time

Benefits offered by this job

Great Place to Work

Profit sharing

Medical care

Centre of internal trainings

Open and accessible management team

Regular integration events and trips

MySii app

Job summary

Sii is seeking an experienced Salesforce Developer to join an international team. You will own the Heroku platform, manage apps, dynos, buildpacks, and configurations while designing and implementing Salesforce integrations with external systems and databases.

The role emphasizes API-driven solutions, data synchronization, and AI-based integration support. Ideal candidates have 3+ years with Heroku, strong Salesforce know-how, and English/Polish at B2 level or higher.

Qualifications

• 3+ years of commercial experience with the Heroku platform
• Strong Salesforce architecture and integrations knowledge
• Experience with Heroku Connect
• Proficient with 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
• Fluent 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 and event-driven integrations
• 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 platform

Salesforce integrations

REST APIs

PostgreSQL

Node.js/Java/JavaScript/Python

English

Polish

Docker

Terraform

AWS

Tools

Heroku Connect

Docker

Terraform

AWS

Job description

Sii is seeking an experienced Salesforce Developer to join an international team. You will own the Heroku platform, manage apps, dynos, buildpacks, and configurations while designing and implementing Salesforce integrations with external systems and databases.

The role emphasizes API-driven solutions, data synchronization, and AI-based integration support. Ideal candidates have 3+ years with Heroku, strong Salesforce know-how, and English/Polish at B2 level or higher.