Fullstack Engineer

Hays IT Contracting is a cooperation based on B2B rules. We connect IT specialists with the most interesting, technological projects on the market.
Join the group of 500 satisfied Contractors working for Hays’ clients!

For our Client we are currently looking for Candidates for the position of:
Position: Fullstack Engineer UX/UI
Location: Hybrid work from Warsaw or Katowice (3 days per week in office)
Job type: B2B (with Hays Poland)
Rate: OPEN PLN/h net on B2B

• A Bachelor’s degree in Computer Science or a related field, or equivalent practical experience.
• 3+ years of hands-on experience with frontend technologies and frameworks, particularly within the React ecosystem. Strong proficiency in JavaScript, CSS, and HTML.
• 5+ years of experience working with backend technologies and frameworks.
• Proficiency in Go or Java.
• Solid experience deploying and troubleshooting applications in Kubernetes environments.
• Strong understanding of data structures, algorithms, and problem-solving techniques.
• A solid grasp of DevOps practices, including Git, CI/CD pipelines, and monitoring tools.
• Experience collaborating with cross-functional teams, including UX designers.
• Excellent communication skills and the ability to work effectively in a semi-remote, globally distributed team.

• A curious mindset and a collaborative attitude, with a passion for mentoring and helping others grow.
• Advanced programming skills in Go.
• Experience building distributed, reactive systems.
• Strong understanding of relational databases (RDBMS).
• Familiarity with message-oriented middleware such as Kafka.
• Experience working with the ELK stack (Elasticsearch, Logstash, Kibana).

• Designing and developing new features and components.
• Building and maintaining JavaScript/TypeScript web applications.
• Optimizing web applications for performance and scalability, including browser rendering analysis.
• Troubleshooting, debugging, and resolving performance issues.
• Writing automated tests to ensure business requirements are met.
• Designing and implementing RESTful APIs.
• Participating in code reviews and maintaining high code quality standards.
• Collaborating closely with clients, customer success teams, and QA to gain insights into project needs.

Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.