Senior Developer @

15 hours ago

Remote Warszawa Kraków, Czech Republic Antal Full time

What we're looking for:

  • Minimum 5 years of software development experience, including at least 3 years with Node.js.
  • Strong skills in Node.js, TypeScript, and frameworks such as NestJS and Fastify.
  • Experience with MongoDB, Redis, and AWS S3.
  • Solid understanding of event-driven development, design patterns, and best practices.
  • Strong background in performance optimization, monitoring, and scalable application design.
  • Experience with CI/CD pipelines, Git/GitHub, and tools like Babel.
  • Ability to decompose complex tasks into actionable pieces and work independently.
  • Proactive attitude and strong desire to learn and grow professionally.
  • English proficiency sufficient for reading and writing technical documentation.

Nice to have:

  • Experience in digital advertising / programmatic advertising.
  • Familiarity with React.js and NoSQL databases.
  • Comfortable working in Unix/Linux environments and writing bash scripts.
  • Knowledge of Jenkins and Agile methodologies (Scrum/Kanban).
  • Experience with monitoring tools such as Datadog.
  • Familiarity with testing frameworks (Jest, Jasmine, Karma, Cypress) and writing unit, functional, and integration tests.

Location: Cracow or Warsaw (hybrid – once a month from the office)
Contract type: B2B
Rate: 100–150 PLN/h net + VAT
Workload: Full-time
Seniority: Senior

We are looking for an experienced Node.js Developer to join our dynamic team and contribute to building high-performance backend applications in the digital advertising space. If you are passionate about creating scalable, distributed systems and enjoy working with modern technologies in a collaborative environment, this role is perfect for you.

Why join us:

  • Work in a friendly, agile environment with access to a broad range of modern technologies.
  • Contribute to innovative projects in the fast-growing digital advertising / programmatic advertising space.
  • Opportunity to experiment with and implement R&D initiatives.
  • Flexible working hours (core hours 8–16 ± 1.5h) and mostly remote work, with monthly in-office meetings (Kraków/Warsaw).
  • Receive onboarding support, including a MacBook Pro and dedicated guidance.
  • Be part of a highly motivated, self-driven team focused on delivering high-quality, high-performance solutions.

If you love solving complex problems, building modern backend systems, and want to grow in a collaborative, innovative environment, we'd love to hear from you

Why apply for an Antal job offer?

When your application is successful, you will be supported by a dedicated Consultant who will stay in regular contact with you (via email or phone), help you prepare for interviews with your future employer, and ensure a smooth and professional recruitment process.

About Antal

Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research.

Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

,[Develop and maintain backend applications using Node.js and NestJS in a distributed architecture., Build, optimize, and maintain automated tests and monitoring tools to ensure the highest quality of software., Actively contribute to R&D initiatives, exploring new approaches and solutions to enhance the advertising ecosystem., Participate in the full software development lifecycle: from requirements gathering and design, through implementation, deployment, and ongoing maintenance., Collaborate closely with cross-functional teams and stakeholders to ensure high-quality, performant, and reliable solutions.] Requirements: Node.js, TypeScript, Nest.js, Fastify, MongoDB, Redis, AWS S3, Git, GitHub, Babel, React, NoSQL, Unix, Linux, Bash script, Jenkins, Kanban, Datadog, Testing, Jest, Jasmine, Karma, Cypress Tools: GIT, Agile, Scrum.

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