[Hiring] Senior Back End Engineer @Ciklum

Role Description

As a Senior Back End Engineer, become a part of a cross-functional development team engineering experiences of tomorrow.

• Take ownership of the full software development lifecycle: Engagement from design through development, testing, deployment, and maintenance
• Develop and maintain Backend Solutions: Create robust, scalable, and high-performance backend systems using JavaScript/TypeScript (Node.js & Next.js)
• Design Backend Services: Create RESTful and GraphQL APIs, serverless architectures, microservices, and workflow orchestrations with state machines
• Compose system architecture and sequence diagrams: Create and document 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: Utilize AWS services and serverless architectures for deployment and management, including Lambdas, Step Functions (state machines), AppSync, EventBridge, SQS, Kinesis, EC2, Elastic Beanstalk
• 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

Qualifications

• 5+ Years of Backend Development Experience: Extensive experience with backend technologies
• Proficient in Javascript/Typescript + Node.js & Next.js: Deep understanding of Javascript/Typescript and its frameworks/libraries/tools
• Analysis of architecture and service dependencies: Ability to create sequence diagrams and technical documentation based on implementation requirements
• Experience with GraphQL and REST: Expertise in API design, consumption and its architecture
• Database Skills: Hands-on experience with SQL and NoSQL databases, as well as ORM tools
• AWS Services and Serverless Computing: Excellent knowledge of 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: Experience 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

Requirements

• Desirable: React, Java, Spring

Benefits

• 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

Company Description

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.