Building a startup is tough and finding an app developer who shares your excitement and vision is not easier either. Your anxieties end here with this detailed process to find and hire the best app developers for your startup.
How to find an App Developer for In-house or Outsourced App development?
Imagine a team of devoted app developers working their hearts out. Brainstorming ideas, improvising, and working on the minutest of details to achieve perfection. An in-house team your competitors envy. Your startup dream becoming a reality under your direct supervision.
Find In-house App Developers
In-house app developers will join your existing startup team. They will become a part of your growing organization. In-house developers work closely with your other team members on a day-to-day basis. As an entrepreneur, you can oversee their functioning and reorient their efforts any time. If you are choosing to go ahead with in-house app developers, be ready to hone your team-building skills.
Benefits of Finding and Hiring in-house App Developers
1-In-house developers share common goals, purpose, and motivation, which improves the quality and customer-orientation of the product.
2-In-house teams help in brand building
3-In a growing startup, a Find a team of in-house developers helps in building a culture for a fully-fledged organization.
In-house App Developer Team Models
You can choose any of the following In-house App Developers’ team models
1-Co-located In-house app development team
A Co-located In-house app development team will require a Project Manager, and maybe a CTO too. In-house app developers work as a close-knit unit under your direct supervision.
2-Remote In-house App Developer Team
Startups that want to assemble a productive team but cannot afford office rent can consider hiring remote in-house app developers. A group of remote in-house developers may be the best choice in that situation. Build a crew that is up for challenges and pay them well in terms of compensation and benefits!
3-Mixed In-house Team
An internal team that includes both office-based and remote app developers can demonstrate excellent flexibility if it is properly managed. To improve productivity, collaboration, and problem-solving, it can combine the advantages of co-located teams and remote teams.
When to opt for in-house app developers for your startup?
1-You have no shortage of funds. 
2-You are sure of ample funds in the future.
3-You value stability and consistency over money.
4-You have an excellent HR and recruitment team.
Find an App Developer in an Outsourcing Agency
App development outsourcing refers to contracting a person or people to work outside of your organisation to develop apps. You'll be hiring independent app developers or an app development company. Your app will be developed by the contractors using their technical and human resources. The outsourced project is often divided into assignments. Each assignment carries detailed specifications of work you expect to be accomplished.
Benefits of Outsourcing App Development
1-Outsourcing saves costs and provides the option of getting app developers from regions offering services at lower rates.
2-By outsourcing, startups can hire app developers with a wider skill-set and relevant app development experience. 
3-Scaling the team of app developers is possible and easy.
Where to find an App Developer for your Startup?
To find an app developer for your startup, you'll need the ideal hiring platform. It might be time-consuming and overwhelming to begin with a Google search. In order to help you find app developers, we've included several web resources.
If you need to locate a developer to complete a vacancy in your current team, freelancer platforms are perfect.  
Your search should start on websites that offer IT providers if you're wanting to outsource app development.
How to finding an App Developer on Social Media
1-Hiring an app developer for your startup can be done well on LinkedIn. It serves as a tool for developing professional networks, enabling you to communicate and connect with others according to their career and industry. Therefore, looking for independent contractors is a good choice.
2-Reddit is a networking website, social media, and a mini-search engine, all rolled together as an online forum. Finding developers on Reddit is about finding the right subreddits, joining the community, engaging, and interacting.
3-GitHub is an open-source code repository platform with millions of users. All of them developers! It’s a great way to source professional and hobbyist app developers for your startup. You can discover the "users" and carry on looking for an appropriate app developer. You may learn more about the contributors and find links to their individual biographies by investigating repositories. Each profile lists the projects and repositories for that developer. Finally, you can contact the developer by sending an email using the address on their profile.
4-Stack Overflow is a Q&A forum-style website for coders. Programmers post questions expecting to get help from fellow-programmers. A great place to find expert developers! Companies can use Stack Overflow's job board to find talent. You can construct your company page as a startup and post jobs on it. Additionally, you can use a special request to promote your company page and job posting on StackOverflow. 
App Development Conferences can tell you how to find an app developer
App development conferences are gatherings where developers, businesspeople, and tech executives may network. Professionals from all over the world or the region participate in these conferences to share information and ideas. At these events, top app development companies highlight their successes, future goals, and forthcoming products.
Source: https://www.agicent.com/blog/how-to-find-an-app-developer/