Software Engineer

Salary range: B2B - 30 E/h + VAT 💰 Ciklum is looking for a Software 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 Software Engineer, you will be part of a cross-functional team with full ownership of the product and codebase. You will join a team specifically focused on businesses, building automated systems that detect misuse and enforce platform policies. You will participate in all stages of the development lifecycle: from ideation and design to implementation, deployment, and maintenance. This role is ideal for an engineer with a strong passion for backend stability and scalability who enjoys building robust cloud architectures. Responsibilities: • Develop and maintain secure, scalable APIs and services on AWS using TypeScript • Write clean, efficient, and testable code for both backend and frontend applications • Collaborate closely with senior engineers, product managers, and designers to translate requirements into technical solutions • Implement security best practices in your code to protect user data and ensure platform integrity • Contribute to the entire development lifecycle, from planning and implementation to deployment and maintenance • Troubleshoot, debug, and upgrade existing software to enhance functionality and performance • Participate actively in code reviews, providing and receiving constructive feedback to maintain a high-quality codebase Requirements:  • 3+ years of professional experience in backend development • Strong proficiency with JavaScript, TypeScript and Node.js • Experience building and consuming RESTful or GraphQL APIs • Experience with core AWS services (e.g., Lambda, SQS, SNS, API Gateway, S3) • Familiarity with containerization using Docker • Experience with NoSQL (e.g., MongoDB, DynamoDB) and/or relational (e.g., PostgreSQL) databases • A good understanding of web security principles and best practices • Strong problem-solving skills and a passion for writing quality code • Upper-intermediate or higher level of spoken and written English Desirable:  • Hands-on expertise with React • Familiarity with CI/CD practices and tools (e.g., Jenkins, GitLab CI, GitHub Actions) • Experience with monitoring and logging tools (e.g., CloudWatch, Datadog) • Working experience with .Net or Python is a plus • Experience with GCP and services like BigQuery Personal skills: • Accountability: You take ownership and follow through on your responsibilities • Drive: You're proactive and results-oriented, always seeking better ways to solve problems • Self-development: You stay curious, seek feedback, and aim for continuous improvement • Effective communication: You communicate your ideas clearly and collaborate effectively in a team • Mentoring: You're open to helping less experienced team members and sharing 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? Follow us on Instagram, Facebook, LinkedIn. 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.