Frank K. Email & Phone Number

Nieuwegein, Utrecht, Netherlands

Developing an in house tool to maintain the product information and upload it into the 2BA data-pool. It basically is a small and dedicated PIM or SIM (Product/Simple Information Management). It uses the ETIM classification as a basis but it is fully extendable with extra fields. It is evolving and actively being developed to be more than a PIM. It is a.

Raamsdonkveer, Noord-Brabant

Internship at Virtual Private Office to gain experience on other technologies.Investigated the complexity and ability to re-implement the existing 'Service Desk' application into a more generic oriented 'Task System'. This without impacting (too much) the current End User experience. One important goal was also to get rid of the SQL server license en have.

Amsterdam Area, Netherlands

Official moved into Architect-Role as part of my Senior Software Engineer. Steering software changes into a best suitable implementation within current code base. This is a difficult task in the result focused business as increasing tech-depth is often an easier choice.Designed and implemented the emotion feature within the Message Store, which is full.

Amsterdam Area, Netherlands

NewNet acquired Tekelec Netherlands BV in August 2012Developed and introduced the IP-SM-GW, a messaging bridge between the 4G (IP) and 3G/2G (GSM) domain. In combination with Krypton it allows for smooth RCS functionalities like chats. Supports the SIP interface over UDP/TCP/SCTP.Implemented from scratch an tool to fully automate the complex installation.

Responsible for building and maintaining the website www.kantelpunten.com (perl, php, html, sql, javascript, smtp, rss). It automatically creates daily content and emails advices for buying and selling shares. Due to shifted priorities not maintained and has been decommissioned in 2018.

Almere Stad Area, Netherlands

• No full technology can be revealed, however it involves improving Software for existing STB's and SmartCards (digital/pay TV). Parts written in C++ other parts in C.
• Learning and documenting architecture and protocols of the solutions.
• Improving QA processes, like introducing code-review tools. Involved in recruitment process.
• Lead engineer in next generation solution. Which includes: making solution proposal, patents, architecture and implementation.
• Followed and given: Internal C++ seminars.

Amsterdam Area, Netherlands

• Tekelec acquired mBalance on 17 December 2008.
• Due to heavy reorganization I became the sole product owner of all A-group products (over 15 products). This includes product decisions, problem investigation, guiding people for offloading, 3rd line support, problem.
• Designed and developed a Subscriber Provisioning Platform (SPF) in a small team as technical lead (C, Multi-threaded. MySQL-Cluster, ASN1) capable of storing 100.000.000 subscribers and even more.
• Build external database upgrade tool (C, perl, NDB-API, C++) 20000 subscriber incl services/contacts per second.
• Designed and developed Service Subscriber Information (SSI) element (C, MySQL, Replication, SCTP) acting as a decoupled interface between RTR and SPF.
• Maintenance and redesign (performance improvement) for Active Message Store (AMS) (C, Berkley DB, SCTP) up to 2000 msg/sec (per node, incl. replication) stored on disk before acknowledging.

Amsterdam Area, Netherlands

• As a small team we laid the foundation of the current TextPass™ products. The n+1 solution has customer implementations which are capable of doing 15000 external sms/second, internal speeds are much higher.
• Introduced and developed (C) the Application Gateway/Router (HUB). Full session control and handles the following protocols UCP/SMPP/CIMD/Internal SCTP.
• Developed the Active Message Store (AMS). The store and forward element within the SMSC solution (replication, fail-over, Berkley DB SCTP).
• Implemented a SIP gateway prototype.
• Created and maintained regression tests for the products written in perl and all products are manageable via SNMP.
• And much more to grow mBalance into a successful company which resulted in the sale to Tekelec.

Utrecht Area, Netherlands

• The SMSC (Short Mesage Service Center) of CMG (now Acision, was also LogicaCMG) has the worlds largest install base.
• Member architect forum.
• By now involved in developing/improving almost all entities in the SMSC system.
• Developed sales forecasting tool.
• Executed (semi automatic) as executor and lead engineer merge of 2 code-lines which stayed parallel for 1,5 year.

Utrecht Area, Netherlands

• Become owner and maintainer of VIQ which is an in-house built high performance inter-process and inter-node communication software fully written in Macro32 assembler (the veins of the SMSC).
• One of the key persons who made the first high performance systems possible.
• Resolved difficult kernel crashes caused by new multi processor machines.
• Improved performance of VIQ among others:.
• Introduced packet concatenation (without extra latency)..
• Improved CPU (50%) usage and stability by making load/usage curve linear iso logarithmic.

Utrecht Area, Netherlands

• Followed the Master class Telecom Products consisting of among others:
• Telecommunication/Mobile Telecommunication, Introduction UNIX & VMS for programmers, Advanced C for VMS, SQL: Oracle RDB, DECset, SS7 Overview, SMSC & VASP Overview, SMSC Basic O&M,SMSC Development Course.
• Developed the new Presentation Manager Statistical.
• Developed features in most SMSC entities.
• Started to take ownership of VIQ.Additional courses:
• Safer C (from Les Hatton), OpenVMS Internals I, OpenVMS Internals II.

Nijmegen Area, Netherlands

• Software company mainly busy in the transport sector.Development of a board computer for cabs which is closely working together with the already developed standard packet. The board computer is communicating by rs232.
• Giving hardware advice.
• Total responsibility of good functioning software.
• Responsible for technical design as the whole implementation.
• Development of a scanner application.
• Development of embedded ODO meter (Z80 microprocessor).

Haarlem Area, Netherlands

Covering company for several transport companies.Trainee assignment for displaying (X-windows) the incoming calls at the operators of the call-center.

Haarlem Area, Netherlands

Industrial automation solutions with a self designed PLC.The PLC could only be programmed in assembly (68x) and C. To improve flexibility this had to be done through ladder diagram language, which I designed and developed inVisual C++.