Mid Back-End Software Engineer

Position Overview

We are seeking a skilled Software Engineer with strong Node.js experience to join our development team. Together we will be building marketing SaaS platform, and specifically areas responsible for personalization, data-driven features, and content creation. This role requires someone who combines technical independence with a proactive approach to problem-solving, proposes innovative solutions, and collaborates effectively as a valued team member.

What you will do

**Development & Implementation**

• Design, develop, and maintain server-side applications using Node.js
• Build and integrate RESTful APIs and GraphQL endpoints
• Participate in system architecture discussions and technical design reviews
• Ensure applications are scalable, secure, and performant

**Quality Assurance**

• Write unit tests, integration tests, and end-to-end tests
• Participate in code reviews and provide constructive feedback to team members
• Debug and troubleshoot application issues across development, staging, and production environments
• Monitor application performance and implement optimizations

**Collaboration & Communication**

• Work closely with product managers, designers, and other engineers
• Collaborate with frontend developers to ensure seamless integration between client and server-side components
• Participate in sprint planning, grooming, daily standups, and retrospectives
• Mentor junior developers and contribute to team knowledge sharing
• Document technical specifications and maintain project documentation

**Technical Skills**

• 3-5 years of professional software development experience
• Strong proficiency in Node.js, JavaScript (ES6+) and TypeScript
• Experience with Nest.js or similar Node.js frameworks
• Proficiency with database technologies (MongoDB, Redis, MySQL, or similar)
• Experience with RESTful API design and implementation
• Understanding of software testing frameworks (Jest, or similar)

**Soft Skills**

• Strong problem-solving and analytical thinking abilities
• Excellent communication and collaboration skills
• Ability to learn new technologies and adapt to changing requirements

**Advanced Technical Skills**

• Knowledge of cloud platforms (AWS)
• Familiarity with containerization (Docker, Kubernetes)
• Experience with message queues (Kafka, Kinesis, or similar)
• Knowledge of GraphQL and Wundergraph or similar
• Experience with Snowflake
• Understanding of security best practices and authentication systems (OAuth, JWT)

**Additional Experience**

• Experience with modern Java/Scala is appreciated
• Knowledge of serverless architecture and functions
• Experience with monitoring and logging tools (Loki, Datadog, Kibana)

Why join us?

• Take ownership of technically challenging, high-impact product areas.
• Work with a talented, friendly team of engineers, designers, and product people.
• Be part of shaping a SaaS product used by global customers.
• Flexible working model: modern Gdańsk office or remote from home.
• Competitive compensation package, with opportunities for growth and learning.
• Modern development tools and equipment