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Urgent! Senior Software Engineer Job Opening In Poznań – Now Hiring WithSecure

Senior Software Engineer



Job description

Job Description

At WithSecure™, we protect businesses all over the world.

Our SaaS solutions safeguard against modern cyber threats, and our innovative Co-security approach reflects our belief that true protection requires collaboration and shared expertise.

No one can solve every cyber security problem alone.

Our vision is to become Europe’s flagship in cyber security.

Every day, our talented teams work to prevent cyber extortion, secure critical infrastructure, and prevent misuse of sensitive data.

At WithSecure, it’s our people who make us exceptional – a diverse community that values passion, purpose, and a commitment to workplace well-being.

If you’re ready to make an impact with a company that’s transforming cybersecurity, we’d love to hear from you.


WithSecure™ is seeking a Software Developer to join our dynamic team.

In this role, you will contribute to designing, developing, and maintaining microservices-based solutions while collaborating with cross-functional teams to deliver secure and efficient software.


Key Responsibilities:

  • Create highly resilient, well-tested, and high-performing code for both front-end (Vue 3 / Svelte) and back-end components, primarily using Rust with Python as a secondary language.
  • Work across microservices and cloud-based architectures (AWS), ensuring scalability and maintainability.
  • Collaborate closely with teammates and product management to deliver a high-quality product aligned with business goals.
  • Contribute to infrastructure management using Terraform as the primary IaC tool, with occasional use of AWS CDK where applicable.
  • Prototype and research new features and technologies, contributing to technical innovation and product evolution.
  • Participate in code reviews, technical discussions, and agile ceremonies to foster a culture of quality and continuous improvement.
  • Qualifications

  • Strong knowledge of TypeScript and modern front-end frameworks, preferably Vue 3 or Svelte.
  • Solid experience with back-end development, ideally using Rust, with Python as a plus.
  • Understanding of microservices and cloud-based architectures (especially AWS).
  • Familiarity with infrastructure as code tools, preferably Terraform; exposure to AWS CDK is a strong advantage.
  • Strong English written and verbal communication skills, with a willingness to produce quality documentation.
  • Team player mindset with a collaborative approach to problem-solving.
  • Key Competencies


  • Demonstrates eagerness to learn and grow within agile teams.
  • Exhibits a proactive approach to problem-solving and continuous improvement.
  • Possesses strong communication skills and an ability to effectively share insights and findings.

  • Required Skill Profession

    Computer Occupations



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