Callstack
IT System Custom Software Development
Join Callstack's remote-first team of React experts. Work with top-tier companies, contribute to open source, and grow with a community of developers.
Is Callstack hiring?
Yes. As of November 10, 2026, Callstack has 1 open role on Metaintro. 1 was posted in the last 30 days.
Open roles
Newest first. Pay shown when the posting lists it.
Customers
All 11 companies Callstack names as customers.
Customers hiring now4
- AutoZone11,250 open roles
- HelloFresh841 open roles
- Major League Soccer25 open roles
- Teamworks13 open roles
What their customers say
Quotes from people at Callstack's customers.
“The trainers are always very helpful and supportive. It really makes a difference!”
“Their engineers proved to be a crucial part of our mobile app relaunch project.”
“I recommend them as a trusted tech partner for running complex projects.”
“We had been struggling with React Native application performance until we met Callstack.”
“Not only does Callstack have tremendously talented engineers, but I know they care about the success of the project as much as I do.”
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“I appreciate their attention to detail, flexible approach and a high degree of expertise.”
AI launches and partners
What Callstack has launched and who it works with on AI.
- LaunchAI agents in engineeringCallstack’s senior engineers work with AI agents on new builds, complex migrations, and native engineering.
- LaunchAI SDLC AdvisoryCallstack helps teams redesign development workflows and build custom agents, test their output, and choose the right models as part of product delivery.
- HiringAI-native engineeringCallstack says people will work on the tools, infrastructure, and products defining AI-native engineering.
- LaunchAI-focused offeringCallstack launched an AI-focused offering bringing agentic infrastructure, AI-native delivery, and enterprise AI adoption into the React Native stack.
Skills they ask for
Most frequent across open postings.
Tech stack
- Analytics
- Google Analytics 4
- Google Tag Manager
- Marketing
- HubSpot
- CDN
- Amazon CloudFront
- jsDelivr
- Libraries
- jQuery
- GSAP
- Swiper
- Frameworks
- Angular
Company facts
- Headquarters
- Wrocław, Poland
- Founded
- 2016
- Industry
- IT System Custom Software Development
- Sector (NAICS)
- Professional, Scientific, and Technical Services
- Peer
- AgileEngine
- Website
- callstack.com
- Careers
- callstack.com/careers
Similar companies
Companies in the same industry as Callstack that are hiring now.
Questions about Callstack
- Is Callstack hiring?
- Yes. As of November 10, 2026, Callstack has 1 open role on Metaintro. 1 was posted in the last 30 days. The most are in Event Management (1).
- Who are Callstack's customers?
- Callstack names 11 customers, including AutoZone, HelloFresh, Major League Soccer, Teamworks, and Rive.