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Senior Full Stack Developer (CORE) Job Opening In Poland, Poland – Now Hiring CrewBloom


Job description

We are looking for an experienced Senior Full Stack Developer who can handle both front-end and back-end development, contribute to API integrations, and mentor junior developers.

This is a fully remote position.

Job Responsibilities

  • Build and maintain scalable web applications using , React, and TypeScript, with a strong grasp of component lifecycles and server/client-side rendering.
  • Translate Figma designs into responsive, pixel-perfect HTML/CSS layouts using Tailwind or modern styling frameworks.
  • Design and implement reusable UI components and hooks that follow best practices and promote maintainability across the app.
  • Integrate RESTful and GraphQL APIs, ensuring robust data fetching strategies with tools like React Query, SWR, or built-in APIs.
  • Implement secure authentication and authorization systems using JWT, OAuth (e.g., Google Auth), or Firebase Auth, depending on app requirements.
  • Develop and maintain backend logic using , API routes, or serverless functions (e.g., AWS Lambda), including interaction with AWS services like S3, SQS, and SNS.

Requirements

  • 3-5 years of experience as a full-stack developer with expertise in React and related technologies.
  • Proficient in building robust, type-safe components using React and TypeScript, with a solid grasp of hooks, context, and component lifecycles.
  • Experience converting Figma designs to fully functional and responsive HTML/CSS.
  • Proficiency in integrating with RESTful APIs (both internal and third-party).
  • Familiarity with authentication technologies like GoogleAuth, FirebaseAuth, and JWT.
  • Knowledge of AWS services, including Lambda, S3, SNS, and SQS.
  • Experience working with CI/CD pipelines (e.g., Jenkins, GitLab CI).
  • Proven ability to mentor junior developers and detect areas for improvement in their code.
  • Experienced in project management using JIRA or Linear with Agile Scrum methodologies.
  • Strong understanding of Test-Driven Development (TDD) principles.

Nice to Have:

  • Familiarity with microservices architecture.
  • Experience with cloud-native development and serverless architectures.
  • Previous experience working in a fully remote environment.

Minimum Technical and Work Environment Requirements:

  • Internet Connection:
    • Primary internet connection with a minimum speed of 15 Mbps.

    • Backup internet connection with at least 10 Mbps.

    • Backup connection must be capable of supporting work during a power outage.

  • Primary Device:
    • Desktop or laptop equipped with at least:
      • Intel Core i5 (8th generation or newer), Intel Core i3 (10th generation or newer), AMD Ryzen 5, or an equivalent processor.

      • A minimum of 8 GB RAM.

  • Backup Device:
    • Must meet or exceed the performance of an Intel Core i3 processor.

    • Must be functional during power interruptions.

  • Peripherals and Workspace:
    • A functioning webcam.

    • A noise-canceling USB headset.

    • A quiet, dedicated home office space.

    • A smartphone for communication and verification purposes.

Benefits

  • Join Our Dynamic Team: Experience our fun, inclusive, innovative culture that values your unique contributions and supports your professional growth.
  • Embrace the Opportunities: Seize daily chances to learn, innovate, and excel.

    Make a real impact in your field.
  • Limitless Career Growth: Unlock a world of possibilities and resources to propel your career forward.
  • Fast-Paced Thrills: Thrive in a high-energy, engaging atmosphere.

    Embrace challenges and reap stimulating rewards.
  • Flexibility, Your Way: Embrace the freedom to work from home or any location of your choice.

    Create your ideal work environment.
  • Work-Life Balance at Its Best: Say goodbye to stressful commutes and hello to quality time with loved ones.

    Achieve a healthy work-life integration to perform at your best.

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Senior Full Potential: Insight & Career Growth Guide


Real-time Senior Full Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Senior Full in Poland, Poland, highlighting market share and opportunities for professionals in Senior Full roles.

5302 Jobs in Poland
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Download Senior Full Jobs Trends in Poland and Poland

Are You Looking for Senior Full Stack Developer (CORE) Job?

Great news! is currently hiring and seeking a Senior Full Stack Developer (CORE) to join their team. Feel free to download the job details.

Wait no longer! Are you also interested in exploring similar jobs? Search now: .

The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at CrewBloom adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Poland laws and regulations

What Is the Average Salary Range for Senior Full Stack Developer (CORE) Positions?

The average salary range for a varies, but the pay scale is rated "Standard" in Poland. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

What Are the Key Qualifications for Senior Full Stack Developer (CORE)?

Key qualifications for Senior Full Stack Developer (CORE) typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

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To improve your chances of getting hired for Senior Full Stack Developer (CORE), consider enhancing your skills. Check your CV/Résumé Score with our free Tool. We have an in-built Resume Scoring tool that gives you the matching score for each job based on your CV/Résumé once it is uploaded. This can help you align your CV/Résumé according to the job requirements and enhance your skills if needed.

Interview Tips for Senior Full Stack Developer (CORE) Job Success

CrewBloom interview tips for Senior Full Stack Developer (CORE)

Here are some tips to help you prepare for and ace your Senior Full Stack Developer (CORE) job interview:

Before the Interview:

Research: Learn about the CrewBloom's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

Make a Great First Impression: Greet the interviewer with a handshake, smile, and eye contact.

Confidence and Enthusiasm: Project a positive attitude and show your genuine interest in the opportunity.

Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

Ask Prepared Questions: Demonstrate curiosity and engagement with the role and company.

Follow Up: Send a thank-you email to the interviewer within 24 hours.

Additional Tips:

Be Yourself: Let your personality shine through while maintaining professionalism.

Be Honest: Don't exaggerate your skills or experience.

Be Positive: Focus on your strengths and accomplishments.

Body Language: Maintain good posture, avoid fidgeting, and make eye contact.

Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Senior Full Stack Developer (CORE) interview at CrewBloom, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the CrewBloom's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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