Mid Back-End Software Engineer

Posted 2 Days Ago
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Gdańsk, Województwo pomorskie
In-Office
Mid level
Marketing Tech • Software
We help brands build closer customer connections through data-driven visibility and personalized engagement.
The Role
Develop, maintain, and implement server-side applications, ensuring scalability and performance. Collaborate with team members and mentor juniors.
Summary Generated by Built In

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

Requirements

**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)

Benefits

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

Top Skills

AWS
Docker
GraphQL
JavaScript
Jest
Kafka
Kinesis
Kubernetes
MongoDB
MySQL
Nest.Js
Node.js
Redis
Snowflake
Typescript
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The Company
HQ: Conway, AR
650 Employees
Year Founded: 2019

What We Do

Acoustic is a global marketing and customer engagement provider delivering solutions that give brands a deeper understanding of their customers and the ability to act in the moments that matter. Our mission is to help brands build closer customer connections through data-driven visibility and personalized engagement. We know that marketers need powerful solutions that enable them to transform how their brand connects with customers — not tools that limit their potential and complicate their day-to-day. Our solutions are purpose-built to enable marketers to build, scale, and optimize customer experiences throughout the customer lifecycle.

We have approximately 650 employees around the globe, allowing us to maintain a local presence with a global footprint. With 25+ years of MarTech experience, our team of trusted experts is focused on helping brands across industries exceed expectations and build meaningful, lasting customer relationships.

Why Work With Us

We’re not only building our company’s future but the future of an industry. That’s why our values — team and passion, trust and security, rapid innovation, customer delight, and respect for all people — guide everything we do. Join our collaborative, global team that’s dedicated to helping brands deliver exceptional customer experiences.

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