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Hire expert app developers in Bucharest, RO

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We have over 14,500 app developers who've worked in many different industries and cover various styles and skillsets.
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Trusted by companies around the world

"Working with her was an absolute pleasure. From the start, her professionalism and ability to grasp our vision for the real estate website, social strategy, and complex 3D animation made us confident in her abilities. She handled the entire project portfolio seamlessly. We were most impressed by her clear communication and..."
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John @ Curated Digital Studio
Nov 26, 2025
"Ayomide transformed our marketing system. He built automated workflows, optimized our funnels, and set up a seamless email sequence that boosted engagement and sales. What impressed me most was his ability to simplify complex processes and deliver everything on time. I highly recommend him to anyone who needs real marketing..."
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joke @ stockho
Nov 25, 2025
"Awesome Engineer and love to work with him more and more. Excellent his leading skillset is also attractive."
Sven @ Sky Talent Management
Nov 25, 2025
"Amazing work! Yash delivered high quality work , well organised code structure. Timely delivered worked. I would definitely hire them again"
Dikshit @ Self
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
"Clarence is a great artist! There was some miscommunication from my end but she was always accommodative and helped me out a lot. I recommend her for any of your music needs."
Vaibhavi @ Self
Nov 17, 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 an App Developer do?

An App Developer is a skilled professional responsible for creating, testing, and maintaining software applications for mobile devices and platforms. They work on various aspects of app functionality, including user interfaces, back-end services, and integration with other systems. Key tasks include:

  • Designing application architecture and user interfaces.
  • Writing clean, efficient code for both iOS and Android platforms.
  • Testing applications to ensure performance and usability.
  • Collaborating with designers and stakeholders to meet project requirements.
  • Updating apps based on user feedback and technological advancements.

How to hire an App Developer in Bucharest, Romania?

To hire an App Developer in Bucharest, Romania, start by defining your project requirements clearly. Look for candidates with relevant experience and expertise in the technology stack you need. Utilize platforms like Twine to access a pool of vetted professionals. You can also reach out to local tech communities or attend networking events to find potential candidates. Ensure you conduct thorough interviews to assess their skills and compatibility with your project needs.

How much does it cost to hire an App Developer in Bucharest, Romania?

The cost of hiring an App Developer in Bucharest varies based on experience levels:

  • Beginner: €15 - €25 per hour
  • Junior: €25 - €40 per hour
  • Mid-level (industry average): €40 - €60 per hour
  • Senior: €60 - €90 per hour
  • Expert: €90 - €120+ per hour

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

What qualities set exceptional App Developers apart from the rest?

Exceptional App Developers distinguish themselves through a combination of technical and soft skills. Key qualities include:

  • Strong problem-solving abilities and critical thinking.
  • Proficiency in multiple programming languages and frameworks.
  • Attention to detail for debugging and testing applications.
  • Excellent communication skills for collaborating with teams and clients.
  • A passion for technology and continuous learning to stay updated with industry trends.

How do you recognize the perfect App Developer in Bucharest, Romania for your needs?

To recognize the perfect App Developer, evaluate their portfolio to gauge their previous work quality and relevance to your project. Look for developers who have experience in similar projects and technologies. Conduct interviews to assess their problem-solving skills and communication abilities. Additionally, seek references or reviews from past clients to ensure they have a reliable track record. A good fit will also demonstrate enthusiasm for your project and a clear understanding of your goals.

What are the key questions to ask in an App Developer interview?

During an App Developer interview, consider asking the following key questions:

  • Can you describe your experience with similar projects?
  • What programming languages and tools are you proficient in?
  • How do you approach problem-solving and debugging?
  • Can you provide examples of how you handled project challenges?
  • What is your preferred method of communication and collaboration?

These questions will help you assess their technical skills, experience, and compatibility with your team.

What’s the difference between hiring a freelance App Developer and working with an agency in Bucharest, Romania?

Hiring a freelance App Developer offers flexibility, often lower costs, and direct communication with the developer. Freelancers typically work independently, allowing for quick adjustments and personalized attention. In contrast, working with an agency provides a team of professionals with diverse skill sets, which can lead to a more comprehensive approach. Agencies may offer additional services like project management and quality assurance. However, they generally come at a higher cost. The choice depends on your project's scope, budget, and the level of support you require.

What should be in an App Developer project brief/job description?

An effective project brief or job description for an App Developer should include:

  • A clear project overview outlining objectives and goals.
  • Specific technical requirements, including preferred programming languages and tools.
  • Expected deliverables and deadlines.
  • Budget constraints and payment terms.
  • Information about your company and project stakeholders.

Providing detailed information will help attract the right candidates and streamline the hiring process.

How do I hire an App Developer in Bucharest, Romania on Twine?

Hiring on Twine is simple.

  1. Post a job with your project details, timeline, and budget.
  2. Browse portfolios of vetted App 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 App Developers, making it easy to find the perfect creative professional for your project.

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