Middle Full Stack (JS) Engineer

Salary range: B2B - 38-42 E/h + VAT 💰

Ciklum is looking for a Middle Full Stack Engineer to join our team full-time in Poland.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Middle Full Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow.

Our client reimagines energy to bring net-zero within everyone’s reach. The platform enables energy utilities to unlock the full value of a radically changing energy system and propel us to a future where renewable energy is sustainable, affordable and accessible for all. From automating and simplifying core operations including billing to create a lower-cost, higher-engagement experience, to optimising energy usage across smart devices in the home, we turn tough challenges into win-win-win outcomes for customers, suppliers and the energy system.

Responsibilities:

• Design and implement complex web applications using the established approaches and best practices

• Improve existing engineering and quality standards in a team and help other team members adopt them

• Create CI/CD pipeline by template and/or assist DevOps team in creating more complex pipelines

• Participate in the hiring process and technical interview activities

• Coach/supervise middle/junior engineers by demand of the project

Requirements:

We know that sometimes, you can’t tick every box. We would still love to hear from you if you think you’re a good fit!

• Software Design:

  • Proficient in different API architectural styles (monolith, microservices, serverless)

  • Experience in designing solutions using the proper patterns and development standards

• Software development:

  • Solid background in Node.js and building high-performance applications

  • Use of advanced features in Node.js

  • Use of complex queries and aggregations to databases

  • Experience with Typescript and React

• Quality Assurance:

  • Practical experience with testing approaches and tools

  • Supporting code quality metrics

• Software Deployment:

  • Hands-on experience with application deployment patterns and tools (Docker)

  • Prior record in infrastructure configuration using AWS

  • Kafka knowledge

What`s in it for you?

• Strong community: Work alongside top professionals in a friendly, open-door environment

• Growth focus: Take on large-scale projects with a global impact and expand your expertise

• Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications

• Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies

• Flexibility: Enjoy flexibility – full remote working possibilities

• Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.Want to learn more about us?

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Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.