Callista
As of 3 November 2026, Callista has 12 open roles (18 new in 30 days), its software engineering team is hiring most, and its postings name Java, Angular and Spring Framework as the tools the team works in.
As of 3 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Headquarters
- , , United States
- Employees
- 51-200 employees (estimated)
- Sells to
- it and life science
- Certifications on site
- Site languages
- EN
- Career system
- Recruitee
Callista in one screen
Read from callista-group.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.
Callista is a service company comprising several specialized subsidiaries that provide consulting, engineering, and operational services for clients. Its subsidiaries include IT services in Switzerland and Life Science Services in both the Netherlands and Switzerland. The company serves clients across multiple industries.
Named on the site: it and life science.
Nearest companies by what they do, sell and whom they serve, 51+ employees. 399 scored.
What Callista says it runs
Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.
• Sehr gute Kenntnisse in der Java- und Angular-Entwicklung sowie mit Spring, JPA/Hibernate, Maven und SQL (idealerweise PostgreSQL)• Sehr gute Kenntnisse in der Java- und Angular-Entwicklung sowie mit Spring, JPA/Hibernate, Maven und SQL (idealerweise PostgreSQL)• Sehr gute Kenntnisse in der Java- und Angular-Entwicklung sowie mit Spring, JPA/Hibernate, Maven und SQL (idealerweise PostgreSQL)• Erfahrung im Umgang mit Git, IntelliJ IDEA, Jenkins, Sonar und JIRA• Tiefgehendes Wissen über Azure Cloud-Dienste: Azure API Management, AKS, Azure Functions, OpenAI, AI Search, Document Intelligence, Azure Foundry, Storage AccountsGit, Gitlab, Docker, Terraform), um die Plattform Services state-of-the-art bereitzustellen und zu betreiben• Sehr gute Kenntnisse in der Java- und Angular-Entwicklung sowie mit Spring, JPA/Hibernate, Maven und SQL (idealerweise PostgreSQL)• Sehr gute Kenntnisse in der Java- und Angular-Entwicklung sowie mit Spring, JPA/Hibernate, Maven und SQL (idealerweise PostgreSQL)• Erfahrung im Umgang mit Git, IntelliJ IDEA, Jenkins, Sonar und JIRA• Fundierte Kenntnisse in Kotlin sowie im Umgang mit Oracle und PostgreSQL
• Praktische Erfahrung mit Kubernetes und modernen Container-Technologien• Fundierte Kenntnisse in Kotlin sowie im Umgang mit Oracle und PostgreSQL• Fundiertes Verständnis von Authentisierung- und Autorisierungsverfahren mittels Azure EntraID, RBAC und OAuth Konzepte• Fundiertes Verständnis von Authentisierung- und Autorisierungsverfahren mittels Azure EntraID, RBAC und OAuth KonzepteVendors whose code loads on callista-group.com or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.
12 open roles, 19 opened in 90 days
Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring software engineering in United States →
| open · new 30 d | |
|---|---|
| Software engineering | 5 · 6 |
| Data & AI | 2 · 1 |
| IT operations & business systems | 2 · 2 |
| Unclassified | 1 · 0 |
What is changing, read from the postings
Intents are events the employer states about itself, each with the sentence and the posting it came from.
No change signals read in the current postings.
Sales, marketing and IT leaders by function. Add Callista to a monitor and get a webhook when a role opens, a tool appears or a signal is read.
Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.
Companies like Callista
Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 399 scored.
From the company's own website
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Callista (, United States, 51-200 employees) has 12 open roles, 18 new in 30 days, and names 14 tools in its postings. (Breaknorm, 3 November 2026, https://breaknorm.co/company/callista-group.com)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- ProfileBuilt from callista-group.com: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
- HiringRead hourly from the company's Recruitee career site; reposts collapse into one record.
- Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
- HeadcountLinkedIn where known, otherwise estimated from the site.
Callista: questions
Does Callista use Java?
Yes, by the company's own words: 4 postings name it, first seen 2026-10-20, in the software engineering team.
Is Callista hiring?
12 open roles as of 3 November 2026, 18 opened in the last 30 days and 10 closed. The largest team hiring is software engineering.
Where does this profile come from?
From callista-group.com itself: we crawled it on 2026-08-08, built the profile on 2026-08-16, and read its career site (Recruitee) hourly since. Headcount is from LinkedIn.
Who should I write to at Callista?
The people are behind the login: decision makers by function, verified at the mail server when you open them. 1 public role addresses from the site are there too.
Get this company your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
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