Senior Fullstack Engineer

CloudDevs; Poland; On-site; PLN 254,668 - 382,003; Full time

Benefits offered by this job

Company-paid medical insurance

Mental health support

Company-paid certifications

Internal events (meetups, conferences, workshops)

Flexibility for remote work

Job summary

A leading engineering firm in Poland is looking for a Senior Fullstack Engineer to join their team. In this role, you'll support operational reliability, design scalable systems, and mentor team members. Candidates should have over 5 years of experience in full-stack web development, with strong skills in PL/SQL, Node.js, React, and Docker. The company offers a collaborative environment and emphasizes continuous learning and flexibility in work arrangements.

Qualifications

• 5+ years of professional experience in full-stack web development.
• Proven experience in designing and architecting scalable, distributed systems.
• Strong problem-solving skills and a passion for code quality and technical excellence.

Responsibilities

• Support and ensure the operational reliability of the KUREPO invoicing solution.
• Design and implement scalable, resilient, and maintainable systems.
• Drive technical decisions and promote best practices in coding, testing, and deployment.
• Collaborate closely with Product and Design teams.
• Proactively identify and address technical debt and performance bottlenecks.
• Mentor and guide team members.

Skills

PL/SQL

Node.js

React

Docker

Kubernetes

CI/CD

MongoDB

PostgreSQL

Java

Spring

SpringBoot

Kafka

GCP

BigQuery

Event-driven architectures

Microservices

Infrastructure as Code

German proficiency

English (Upper-intermediate)

Job description

Ciklum is looking for a Senior Fullstack 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 Senior Fullstack Engineer, become a part of a cross‑functional development team engineering experiences of tomorrow. Together, we will work on the project …

Responsibilities:

• Support and ensure the operational reliability of the KUREPO invoicing solution
• Design and implement scalable, resilient, and maintainable systems for our applications
• Drive technical decisions and promote best practices in coding, testing, and deployment
• Collaborate closely with Product and Design to translate business requirements into robust technical solutions
• Proactively identify and address technical debt, performance bottlenecks, and areas for system improvement
• Mentor and guide team members, fostering a culture of technical excellence and continuous improvement

Requirements:

• 5+ years of professional experience in full-stack web development
• Proven experience in designing and architecting scalable, distributed systems
• Strong PL/SQL knowledge
• Experience with Node.js and React
• Experience with Oracle databases
• Hands‑on experience with containerization using Docker and orchestration (e.g., ECS, Kubernetes)
• Proficient with CI/CD practices and tools (e.g., Jenkins, GitLab CI, GitHub Actions)
• Skilled in working with both NoSQL (e.g., MongoDB, DynamoDB) and relational databases (e.g., PostgreSQL)
• Strong problem‑solving skills and a passion for code quality and technical excellence
• Upper‑intermediate or higher level of spoken and written English
• Experience with Java, including Spring and SpringBoot
• Experience with Kafka
• Proficiency in German
• Familiarity with event‑driven architectures and microservices
• Familiarity with Infrastructure as Code (e.g., CloudFormation, Terraform)
• Experience with GCP and services like BigQuery

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 Wroc?aw and Gda?sk, our 300+ professionals in Poland drive forward‑thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.

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.