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Trusted by companies around the world

"I can highly recommend Stefano Russello for any future opportunities that he may pursue. Stefano worked for me as a Senior Mobile SDK Engineer and he has been an invaluable member of our team, contributing significantly to our mobile development projects for both iOS and Android platforms. Stefano played a pivotal role..."
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Deon @ StreamAMG
Dec 4, 2025
"Pieter truly exceeded our expectations with the development of the BR Analytics platform. From the very beginning, he understood our vision of offering objective sports data for youth football and managed to translate it into a clear, intuitive and professional website. The way he presented our core message fits..."
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Yannick @ BR Analytics
Dec 4, 2025
"Working on the Automated Lead Management System project was an excellent experience. The project was completed with perfect performance, adhering strictly to timelines and maintaining the highest quality standards. The developer demonstrated exceptional technical skills, attention to detail, and a deep understanding of..."
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Pedro @ Spiral Lab PVT LTD
Nov 30, 2025
"Victor is an exceptional developer! He turned our vague concept into a fully functional, intuitive fitness app. His expertise with Flutter and Supabase made the process smooth, and the app runs flawlessly. Highly recommended!"
Sophie @ BrightWave Tech Solutions
Nov 29, 2025
"I was having trouble resolving a workflow issue, and Eric was extremely professional and attentive. He explained everything in great detail, making sure I understood each step clearly. Excellent support!"
Felipe @ Felipez
Nov 21, 2025
"Working with Bharath Vishnu was an absolute pleasure. He was incredibly responsive, understood our needs perfectly, and delivered exactly what we were looking for. He communicated clearly throughout the project, making the entire process straightforward and positive. Apart from this, he transformed and delivered my vision..."
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Sanwar @ Crocklytech
Nov 20, 2025
"Working with Twine enabled us to scale projects quicker than before and the Twine Business makes it so easy to manage and pay contractors over the world."
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CEO, J B Cole
"I found an amazing designer and she's fast. I now send her my ideas and she transforms them into great design. The collaboration is fast, professional and easy. It feels like she is already part of our team."
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CEO, Legal-i
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From the blog

Frequently Asked Questions

What does a Developer do?

Developers are skilled professionals who design, build, and maintain software applications. They work on various platforms, including web, mobile, and desktop, using programming languages such as JavaScript, Python, and Java. Developers are responsible for writing clean code, debugging issues, and collaborating with other team members to deliver high-quality products. Their tasks often include:

  • Analyzing user needs and requirements.
  • Designing software architecture and user interfaces.
  • Implementing features and functionalities.
  • Testing applications for performance and security.
  • Maintaining and updating existing software.

How to Hire a Developer in Sofia, BG?

Hiring a Developer in Sofia involves a clear understanding of your project needs and the skills required. Start by defining the scope of your project, including the technologies involved and the specific functionalities you want to implement. Use platforms like Twine to post your job, ensuring you provide comprehensive details. Look for Developers with relevant experience and a strong portfolio. Engaging in direct communication will help you gauge their understanding of your project and assess their problem-solving abilities. Consider conducting interviews to dive deeper into their technical skills and past experiences.

How much does it cost to hire a Developer in Sofia, BG?

The cost of hiring a Developer in Sofia varies based on experience levels:

  • Beginner: BGN 30 - BGN 50 per hour
  • Junior: BGN 50 - BGN 90 per hour
  • Mid-level: BGN 90 - BGN 130 per hour
  • Senior: BGN 130 - BGN 180 per hour
  • Expert: BGN 180+ per hour

These rates can fluctuate based on the complexity of the project and the Developer's expertise.

What qualities set exceptional Developers apart from the rest?

Exceptional Developers possess a unique blend of technical and interpersonal skills. Key qualities include:

  • Strong problem-solving abilities to navigate challenges.
  • Proficiency in multiple programming languages and frameworks.
  • Effective communication skills to collaborate with team members and stakeholders.
  • Attention to detail, ensuring high-quality code and user experience.
  • Adaptability to stay updated with the latest industry trends and technologies.

These attributes enable them to deliver innovative solutions and exceed client expectations.

How do you recognize the perfect Developer in Sofia, BG for your needs?

To find the perfect Developer, evaluate their technical skills, experience, and portfolio. Look for candidates with a proven track record in similar projects. Conduct interviews to assess their problem-solving approach and communication style. Pay attention to their ability to understand your project requirements and provide solutions. Additionally, check for client reviews and references to gauge their reliability and work ethic. A Developer who demonstrates a passion for their work and aligns with your project vision will be a valuable asset.

What are the key questions to ask in a Developer interview?

When interviewing a Developer, ask questions that reveal their technical expertise and work ethic. Consider these key questions:

  • Can you describe a project where you faced significant challenges? How did you overcome them?
  • Which programming languages do you feel most comfortable with?
  • How do you ensure code quality and maintainability?
  • What is your process for debugging and testing applications?
  • How do you stay current with industry trends and technologies?

These questions will help you assess their suitability for your project.

What’s the difference between hiring a freelance Developer and working with an agency in Sofia, BG?

Hiring a freelance Developer offers flexibility, direct communication, and often lower costs. Freelancers typically work independently, allowing for quicker decisions and personalized service. In contrast, agencies tend to provide a broader range of services, including project management and a team of diverse specialists. While agencies may have higher rates, they often guarantee a level of reliability and accountability through established processes. Your choice depends on your project requirements, budget, and desired level of involvement.

What should be in a Developer project brief / job description?

A well-crafted project brief or job description should include:

  • Project Overview: A clear description of the project goals and objectives.
  • Technical Requirements: Specific technologies, programming languages, and frameworks needed.
  • Scope of Work: Detailed tasks, deliverables, and timelines.
  • Budget: Your budget range for the project.
  • Qualifications: Desired skills and experience for the Developer.

This clarity helps attract the right candidates and sets expectations from the start.

How do I hire a Developer in Sofia, BG on Twine?

Hiring on Twine is simple.

  1. Post a job with your project details, timeline, and budget.
  2. Browse portfolios of vetted Developers and invite those who match your needs.
  3. Receive proposals and compare experience, pricing, and reviews.
  4. Communicate expectations, set milestones, and finalize the hire.
  5. Securely pay through Twine, ensuring protection for both parties. Twine connects you with top freelance Developers, making it easy to find the perfect creative professional for your project.

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