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INNOVATION in a wireless world

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The Power is in the People

jtendo is looking for talented, creative and passionate people to join our team.

If you are:

  • a team player
  • self-managing
  • hungry for knowledge & eager to learn
  • solution oriented & focused on problem solving

Come work with us!

What we offer
International & Interesting projects

Our projects are delivered worldwide. We cooperate with more then 20 countries already.

Personal development

You can improve your skills, increase your knowledge and gain lots of valuable experience. We offer in-house training in both technical and soft skills. There is also a training budget at your disposal.

Telco Domain Expertise

We cooperate with the biggest Telco Operators all over the world.
We are using various telecommunication technologies and development frameworks.

Flexible hours & remote working

You can set-up your daily flexible schedule and you can work remotely if you need to.

Friendly atmosphere

We believe that friendly atmosphere creates an opportunity to cooperate, improve on skills and use all one’s talents to reach fulfillment, satisfaction and growth.

 

Teamwork

We use team building activities to know each other better and to work efficiently in a great atmosphere. We hold various integration meetings after work where we play video-games, board games (like chess) or join sport competitions.

Active lifestyle

We love all sports and promote them. jtendo has its own triathlon team and we support them in their challenges. We play table tennis and football (we have tables in our chill room) every day.

Great work environment

Kitchen with free coffee, beverages, snacks.
Chill room. Shower. Free parking.
Private health care.
Sport subscription.

Create innovative solutions // Deliver challenging projects // Learn new technologies
Meet and work with interesting people

We are currently looking for

Telco Java Developer

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Integration and Support Engineer

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Integration Engineer/Architect

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Erlang Developer

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Integration and Support Engineer

Responsibilities

  • Integration of new solutions/products for telco operators (examples of products: various IN/VAS services, VPBX, SS7/Diameter Firewall, GTP Proxy)
  • Taking an active part in all phases of projects (design, testing, integration, support, enhancements)
  • Developing tools to provision, monitor, automate and integrate existing and new infrastructure systems
  • Supporting existing telco platforms based on Linux, Java, JSLEE, Erlang and common open-source software (2nd/3rd line of support)
  • Preparing technical documentation

Qualifications

Must have

  • strong background in Linux administration (RHEL/CentOS preferred, level RHCSA+)
  • strong background in DB administration (MySQL and/or PostgreSQL)
  • knowledge and experience in using SQL
  • strong background in TCP/IP stack and troubleshooting network issues
  • scripting experience (at least one of: Bash, Python, Perl)
  • English – at least B2 level

Nice to have

  • knowledge of telco protocols like SS7, Diameter, SIP, GTP
  • knowledge of mobile networks architecture – GSM/3G/LTE/IMS
  • knowledge & practice with designing highly available systems
  • knowledge & practice with configuring web servers (Apache httpd, NGINX)
  • knowledge & practice with at least one of: Nagios, Zabbix, Elasticsearch, Prometheus
  • knowledge of virtualization platforms (VMware, OpenStack, Proxmox)
  • knowledge of Cloud Native technologies (Kubernetes, OpenShift)
  • knowledge & practice with CI/CD tools like Jenkins, Ansible

Apply: hr [at] jtendo.com

Integration Engineer/Architect

Responsibilities

  • Providing technical pre-sales consulting to Sales Team
  • Taking an active part in projects delivery
  • Integrating new solutions/products for telco operators (examples of products: various IN/VAS services, VPBX, Signaling Firewall, GTP Proxy)
  • Creating and demonstrating advanced Infrastructure as code (IaC) techniques relevant to telco
  • Investigating and reporting software defects uncovered during customer deployments
  • Preparing technical documentation

Qualifications

Must have

  • knowledge of telco protocols like SS7, Diameter, SIP, GTP
  • knowledge of mobile networks architecture – GSM/3G/LTE/IMS
  • strong background in Linux administration (RHEL/CentOS preferred, level RHCSA+)
  • strong background in DB administration (MySQL and/or PostgreSQL)
  • knowledge and experience in using SQL
  • strong background in TCP/IP stack and troubleshooting network issues
  • scripting experience (at least one of: Bash, Python, Perl)
  • English – at least B2 level

Nice to have

  • 5+ years of telco operator or SP background
  • knowledge & practice with designing highly available systems
  • knowledge & practice with configuring web servers (Apache httpd, NGINX)
  • knowledge & practice with at least one of: Nagios, Zabbix, Elasticsearch, Prometheus
  • knowledge of virtualization platforms (VMware, OpenStack, Proxmox)
  • knowledge of Cloud Native technologies (Kubernetes, OpenShift)
  • knowledge & practice with CI/CD tools like Jenkins, Ansible

Apply: hr [at] jtendo.com

Telco Java Developer

The person hired for this position will be involved in all stages of project execution (along with acquiring appropriate competencies) – from requirements specification, through implementation, testing, deployment to maintenance and development.

Level of knowledge and qualifications

  • Experience in programming in JAVA – min. 2 years
  • The ability to design software and object-oriented programming
  • Knowledge of telecommunications networks architecture in the implementation of these services
  • General knowledge of telecommunications protocols used in IN: CAP, MAP, SIP, Diameter, GTP
  • Knowledge of client-server architecture, system (backend) and network programming
  • Nice experience in data access programming – JDBC / SQL, LDAP, Elasticsearch, Logstash, Kibana
  • Good knowledge of English – B2 level

We offer

  • Work in a friendly, non-corporate environment
  • Opportunity to gain knowledge and experience in creating 5G solutions and smart grid platforms
  • Innovative and unique projects based on the latest technologies, also in the technical domain of telecom operators
  • Participation in international projects e.g. in the Caribbean, Indonesia or Reunion Island
  • Guarantee of continuous development and interesting tasks
  • Flexible working hours and the possibility of remote work
  • Medical package, MultiSport card and many other

Apply: hr [at] jtendo.com

Erlang Developer

Requirements

  • Programming skills and willingness to develop
  • Knowledge of functional programming language is welcome (any language, e.g. Elixir/Haskell/Scala/Common Lisp/Clojure/OCaml, however the work will be based on Erlang)
  • Ability to think analytically
  • Understanding of Unix/Linux environment
  • Knowledge of telecommunication issues (IP networks, GSM architecture – core/IN area) will be an additional asset
  • Good command of English

We offer

  • Work in a friendly, non-corporate environment
  • Opportunity to gain knowledge and experience in creating 5G solutions and smart grid platforms
  • Innovative and unique projects based on the latest technologies, also in the technical domain of telecom operators
  • Participation in international projects e.g. in the Caribbean, Indonesia or Reunion Island
  • Guarantee of continuous development and interesting tasks
  • Flexible working hours and the possibility of remote work
  • Medical package, MultiSport card and many other

Apply: hr [at] jtendo.com

Telecommunication. Security. Intelligent Network. SS7. Diameter.