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Description Ciklum

Senior Full Stack Engineer

Description Ciklum, Poland, New York, United States

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Ciklum

is looking for a

Senior 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 Senior Full Stack Engineer, become a part of a cross‑functional development team engineering experiences of tomorrow. An American partnerknown for selling and distributing tickets for various events. One of the leading providers of booking and ticketing services in the arts and entertainment industry, operating on a global scale.

Responsibilities:

Take ownership of the full software development lifecycle:Engagement from design through development, testing, deployment, and maintenance

Develop and maintain modern Solutions:Implement and optimize applications using Java with Spring framework

Frontend development:Verysolid knowledge of React.js

Design Full Stack Services:Create scalableRESTful and GraphQL APIs, serverless architectures, microservices, and workflow orchestrations with state machines

Software architecture focus interest:Ability to work on diagrams to illustrate service interactions and data flows

Database Management:Design, implement, and maintain relational and non‑relational databases focusing on data modeling, integrity, performance, and maintainability

Cloud Services:Well established experience of working with AWS services and serverless architectures including Lambdas, Step Functions (state machines), AppSync, EventBridge

DevOps Practices:Manage and optimize CI/CD pipelines using GitLab CI/CD for efficient build, test, and deployment processes

Containerization and Orchestration:Utilize infrastructure‑as‑code and container orchestration tools such as Terraform and Kubernetes to manage infrastructure and application scalability

Collaborate with Teams:Conduct code reviews, provide constructive feedback, and share knowledge with the team

Agile Methodologies:Work in a Lite Agile environment to adapt to changing requirements

Requirements:

5+ Years of Full Stack Development Experience:Extensive experience working with full stack technologies

Proficiency in Java + Spring:Deep understanding of Java and it's frameworks/libraries/tools

Frontend Skills:Expertise in development based on React.js

Analysis of architecture and service dependencies:Abitlity to create sequence diagrams and technical documentation based on implementation requirements

Experience with GraphQL and REST:Expertise in API design, consumption and it's architecture

Database Skills:Hands‑on experience with SQL and NoSQL databases, as well as ORM tools

AWS Services and Serverless Computing:Experience working with AWS services and serverless computing (Lambda, Step Functions, AppSync, EventBridge, etc.)

Devops, CI/CD:Proficiency with CI/CD tools, especially GitLab CI/CD

Kubernetes and Terraform:Familiarity with Kubernetes and Terraform for container orchestration and infrastructure management

Fluency in English:Excellent communication skills both written and spoken

Openness and adaptability:with willingness to learn new tools and technologies as needed

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.

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

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