1. Corporate Presentation
Opencode Systems

2. Opencode Systems Overview
Founded in 2000, Headquarters in Sofia, Bulgaria
170+ team, mostly engineers
Mobile core network-centered solutions
In-house developed and owned core & IT stacks
Patented multi - channel applications technology
Inventor of the original USSD Center
ISO 9001:2008 and OHSAS certified
Privately owned and profitable since founding
Opencode service offices in Malaysia, Tunisia, Morocco, Egypt, Algeria
Opencode local support in Kenya, Pakistan
Opencode sales – France, Thailand

3. Opencode Clients

4. Opencode Presence Algeria Azerbaijan Bangladesh Benin Bulgaria Canada
CAR
Chad
Côte d’Ivoire
Egypt
Fiji
France
Gabon
Germany
Greece
Iraq
Kenya
Kiribati
Kosovo
Kuwait
Laos
Libya
Malaysia
Maldives
Mauritania
Monaco
Morocco
Niger
Pakistan
Papua New Guinea
Philippines
Romania
Singapore
Slovenia
Sri Lanka
Togo
Tunisia
UAE
USA
Vietnam
Zimbabwe

5. Telecom E2E SDP-VAS Ecosystem
CORE SS7
Access Gateway
IP Network
RAN
ASP
SMSC
SMPP
SDP
IVR, WAP, WEB
MML IP
HTTP
VXML
SOAP
XML
USSD
ASP, VAS CP
MEDIA
GSM, EDGE, GPRS
UMTS, 3G, 4G/LTE
IN, OCS, OSS, BSS
Switching Core
MSC, SGSN, SSP
Gateway Core Elements
VLR, GMLC, GMSC
Service Data &
Control HLR, SCP
INAP
CAP
SS7
MAP

6. OC Positioning in the Ecosystem
CORE SS7
IP Network
RAN
ASP
SMSC
SMPP
SDP
IVR, WAP, WEB
MML IP
HTTP
VXML
SOAP
XML
USSD
ASP, VAS CP
MEDIA
GSM, EDGE, GPRS
UMTS, 3G, 4G/LTE
IN, OCS, OSS, BSS
Switching Core
MSC, SGSN, SSP
Gateway Core Elements
VLR, GMLC, GMSC
Service Data &
Control HLR, SCP
INAP
CAP
SS7
MAP
Opencode
Network Browser
SCE
UCIP
Diameter

7. OC Products and services
Opencode provides network platform (HW & SW) integrated with all major network equipment vendors including:
Ericsson, Huawei, Alcatel-Lucent, Nokia, ZTE
Enabling Telecom Operators to provide end users services and applications:
Messaging services (SMS and MMS)
Payment and recharge services
Voice services.

8. Opencode Recruitment Profiles
Programming languages and tools used:
C++
Java script / Node.js
PHP
Python
MySQL
Oracle DB
Needed staff:
Software Developers
Linux OS Administrators QA

9. Cooperation Program & Proposal
Training status during whole graduation cycle (4 / 5 years)
For students in Technical University (Sofia) or Sofia University, in the filed of Information Technologies and/or Telecommunications;
For students succeeding OC initial evaluation test;
Wage of minimum 600 leva per month and growing based on the skills and contribution;
15 work hours per week, including trainings;
Flexible schedule (during week end, holidays);
Possibilities for full time work during summer period;
Other

10. Contact information
Headquarters 10, Stoil Slatinski Str Sofia, Bulgaria
Stela Dafova, Team Leader, ,
Dimitar Kostadinov, R&D Director, ,
Daniela Lozanov, IPR Manager, Mob: ,