The phrase "a series of developers" is correct and usable in written English.
It can be used when referring to multiple developers working on a project or involved in a particular context.
Example: "The project was successful due to the collaboration of a series of developers who brought diverse skills to the table."
Alternatives: "a group of developers" or "a number of developers".
Bjork commissioned a series of developers who made her then favourite apps, bringing them together in Iceland to collaborate.
A series of developers bought the land from the city, but none managed to get a project off the ground.
After Ballmer's speech came a series of developers' presentations: environmental subsystems, RISC-based architecture, thread contexts, motion blur...blah blah blah.
Now, Aylien is joining the fray with its own text-analysis API, the first in a series of developers services the company is working on.
In 2014, the agency launched a series of developer contests under the banner of Asteroid Data Hunter, challenging developers to help it improve the technology for identifying asteroids using images from ground-based telescopes.
Today also heralds the start of a series of developer events called the "Nokia Windows Phone Training" roadshow, with the first event being held in Paris.
Atari released the first in a series of developer diary videos yesterday for Chronicles of Riddick: Assault on Dark Athena and I have to admit the game looks fairly enticing.
But after lengthy negotiations over the last year with a series of four developers, city officials learned that most of the candidates could not meet the project requirements without large subsidies and revised zoning.
The centre also allows the university to play host to a series of Epic developer days for unreal engine users, enabling students and academics to meet industry professionals on campus.
With the help of a series of patient-developers, we produced Eye-Search, a browser-based app.
Today, the company has taken all of that machine-generated intelligence and created a series of services for developers.
