Java Developer

1 Month ago • All levels • Programming

Job Summary

Job Description

Join a project that modernizes one of T-Mobile's key systems, transitioning from old technologies and monolithic architecture to modern microservices and container-based technologies. You will participate in designing technologies and the target architecture, driving this transformation. You will work with a team from the customer and the Ness team that implemented the original solution. Responsibilities include upgrading applications from Oracle Java to higher versions of OpenJDK, preparing applications for microservices and their operation in a Kubernetes cluster, migrating application servers from JBoss to WildFly, collaborating on the transition from Oracle DB to PostgreSQL, and ensuring security using SAML and OAuth2.
Must have:
  • Excellent knowledge of Java and Spring framework
  • Experience with Kubernetes (deploying apps, migrating to containers)
  • Knowledge of JSP, XHTML/JSF, Hibernate
  • Experience with Java version migration (e.g., Java 8 to Java 17/OpenJDK)
  • Experience with application server and database migrations
Good to have:
  • Experience in designing microservices architectures
  • Knowledge of security protocols (OAuth2, SAML)
  • Independence, desire to improve things, and learn new technologies
Perks:
  • Friendly and professional work environment
  • Support for personal development (hard-skills, soft-skills, language courses) and certifications
  • Formal and informal events (competency meetings, sports competitions, team building, events for children and employees' families)
  • 20 days of vacation + 5 Ness days (increasing with tenure)
  • 3 Sick days
  • Contribution to Multisport card
  • Mobile phone with unlimited plan and 25 GB data for private use
  • Partner benefits (discounts on sports, culture, wellness, new cars)
  • Contribution to pension insurance
  • Meal allowance
  • Language training
  • Hard and Soft skills development

Job Details

Description

Position at Ness Czech s.r.o.

Pojď se účastnit projektu, který modernizuje jeden z klíčových systémů společnosti T-Mobile z oldschool technologií a monolitické architektury do moderních technologií postavených na mikroslužbách a kontejnerech.
 
Budeš se podílet na návrhu technologií i cílové architektury, budeš drivovat tuto transformaci. Pracovat budeš s týmem lidí od zákazníka i týmem z Nessu, který implementoval původní řešení.
 
Co budeš dělat?
 
  • Upgradovat aplikace z Oracle Java na vyšší verzi OpenJDK.
  • Připravovat aplikace na mikroslužby (microservices) a jejich provoz v Kubernetes clusteru.
  • Migrovat aplikační servery z JBoss na WildFly.
  • Spolupracovat na přechodu z Oracle DB na PostgreSQL.
  • Zajišťovat bezpečnost pomocí SAML, OAuth2.
 
Co od tebe očekáváme?
 
  • Výbornou znalost Java a frameworku Spring.
  • Zkušenosti s Kubernetes (nasazování aplikací, migrace do kontejnerů).
  • Znalost JSP, XHTML/JSF, Hibernate.
  • Praxi s migrací Java verzí (např. Java 8 → Java 17/OpenJDK).
  • Zkušenosti s přechodem aplikačních serverů a databází.
 
Bonusové body za:
 
  • Zkušenost s návrhem microservices architektur.
  • Znalost bezpečnostních protokolů (OAuth2, SAML).
  • Samostatnost, chuť zlepšovat věci a učit se nové technologie.

Co ti v Nessu nabídneme:
 
  • Přátelské a zároveň profesionální pracovní prostředí, protože lidé si u nás pomáhají a důvěřují.
  • Podporu osobního rozvoje (hard-skills, soft-skills, jazykové kurzy) a získávání certifikací.
  • Formální i neformální akce (protože se chceme se svými kolegy i bavit) - setkání kompetencí, sportovní závody, teambuildingy nebo akce pro děti a rodiny zaměstnanců.

Těšit se můžeš i na další benefity:
 
  • 20 dní dovolené + 5 Ness day a čím déle u nás jsi, tím víc jich máš.
  • 3 Sick day.
  • Příspěvek na Multisport kartu.
  • Mobilní telefon s neomezeným tarifem a 25 GB dat i pro soukromé účely.
  • Partnerské benefity – tyto benefity a slevy můžeš čerpat stále a neomezeně (od sportu, přes kulturu, wellness až po slevu na nové auto).
  • Příspěvek na penzijní připojištění.
  • Stravenkový paušál.
  • Jazykovou výuku.
  • Rozvoj Hard a Soft skills.
 
Zaujala tě pozice?

Ozvi se nám a pošli CV nebo odkaz na LinkedIn. Rádi si s tebou popovídáme!
 

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