Salesforce Developer with Heroku (f/m/x)

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

Benefits offered by this job

Great team environment

Career growth opportunities

Competitive compensation

Modern offices

Professional training

Job summary

Sii Poland is seeking an experienced Salesforce Developer to join an international team. You will own the Heroku platform, manage dynos and add-ons, and build integrations between Salesforce and external systems.

The role focuses on API-driven solutions, data synchronization, and security governance in a global environment. Responsibilities include configuring Heroku Connect, PostgreSQL, and collaborating with Salesforce teams, architects, and business stakeholders to deliver scalable

Qualifications

• Minimum 3 years of commercial experience with the Heroku platform.
• Strong knowledge of REST APIs, webhooks and API integrations.
• Experience with PostgreSQL and database performance optimization.
• Excellent English and Polish language skills (B2+).
• Residency in Poland.

Responsibilities

• Own and maintain the Heroku platform and related integrations.
• Design and develop integrations between Salesforce and external systems.
• Build and maintain API-based solutions, webhooks, and data synchronization.
• Configure and support Heroku Connect and PostgreSQL databases.
• Troubleshoot performance, stability, and scalability issues.
• Collaborate with Salesforce teams, architects, and stakeholders.
• Support AI-based integrations including LLM and prompts.
• Ensure compliance with security, governance and data protection.

Skills

Heroku platform

Salesforce integrations

REST APIs

OAuth 2.0

Node.js

Java

JavaScript

Python

English & Polish (B2+)

Tools

Heroku Connect

PostgreSQL

Docker

AWS

Job description

We are looking for 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 the integration of Salesforce with Heroku, PostgreSQL, and various APIs to deliver scalable business solutions. You will have the opportunity to take ownership of the Heroku platform and help shape modern integration solutions in a global environment. If you are passionate about cloud platforms and enjoy working with data and integrations, this opportunity may be the right fit for you.

Your tasks

• 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

Requirements

• Minimum 3 years of commercial experience with the Heroku platform
• Good understanding of Salesforce architecture and integrations
• Experience with Heroku Connect
• Strong knowledge of REST APIs, webhooks, OAuth 2.0, and API integrations
• Experience with PostgreSQL and database performance optimization
• Experience working 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

Nice to have

• Experience with Salesforce Sales Cloud and Experience Cloud
• Familiarity with AWS, Terraform, and Docker
• Knowledge of Event-Driven Architecture and AI/LLM integrations

Job no. JOB-LF47C

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence.

We are committed to equal and fair treatment of all, regardless of legally protected characteristics.

At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

Benefits For You

• Great Place to Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care