Job Vacancies at Mediro Recruitment

Key Service area:

• Write functional code and spot defects.
• Configure existing systems and provide user support.
• Provide service delivery in a timely and efficient manner.
• Support Team members.
• Ensure that there is continuous support provided.

Minimum Requirements

Essential Skills Requirements:

• BSc or Relevant Degree in (Computer Science and / or Engineering).
• 5+ years’ experience with these technologies:
• .Net 4/5/6.
• MVC / Core / Razor.
• Entity Framework + SQL/Oracle experience.
• Understanding / Exposure to Design Patterns.
• Understanding / Exposure of Object Orientation techniques including Solid Principles.
• Understanding / Exposure to Unit Testing.

Knowledge & Experience:

• Web API, MVC, Entity Framework, IIS Server deployment.
• Visual Studio.
• Net Core/ Framework.
• Git.
• Azure DevOps / Pipelines.
• Knowledge and understanding of Agile methodologies.

Skills & Abilities:

• Commitment to learning .
• Planning and organising.
• Analytical reasoning.
• Creative Communication (oral and written).
• Customer Service.
• Adaptable.
• Independent.
• Thrive under pressure.
• Team player.
• Punctual.

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Description

• Development in a Postilion environment (Realtime Software Development Kit - SDK), including network source and sync interfaces to integrate with Realtime.
• Sync interfaces and node integration drivers.
• Access the Realtime database using the SDK.
• Must have strong debugging and troubleshooting skills.

Minimum Requirements

Requirements:

• Matric (compulsory) plus B. Tech (Information systems/ Computer Systems) or B.Sc. (Computer Science) or B.Eng. (Electronic / Electronic / Computer) or 3 year National IT Diploma from a reputable institution.
• 1 year’s minimum Postilion software development work experience is required.

Technical skills & experience required:

• Experience with any database engine like (MySQL, MS SQL, Oracle).
• Experience with any development language like (C / C++ / C# / F# / Java / Delphi / T-SQL/ Python, Perl).
• Familiarity with any of the following is an advantage: cryptography, ISO8583 protocol, computer networks, Postilion, HSM, Virtual Machines.
• Good understanding of Postilion systems and the payments environment.
• Postilion Realtime and Office SDK experience.
• Asset test Tool.
• EMV/RTC processing experience.
• Crypto hardware module experience.
• Visa/Mastercard MIP/VAP test experience.
• Understanding of EFT protocols and message standards such as ISO 8583.

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Description

• Provide desktop support for the Postilion electronic financial transaction switch.
• Troubleshoot issues related to the Postilion switch and provide timely resolution to technical problems.
• Maintain documentation related to the Postilion switch and related systems.
• Participate in on-call rotation to provide after-hours support, as needed.
• Collaborate with other members of the technical support team to ensure system uptime and performance.
• Production environment, support, upgrade, and security.
• Setup and configure Disaster recovery.
• Ensure periodic tests are executed at the DR site.
• Ensure that failover procedures are documented and kept up to date.
• Ensure that communication channels are established with all clients at a technical level.
• Ensure feedback is given to both management and clients.
• Ensure change management is adhered to.
• Ensure adequate testing has taken place before implementing new systems or changes to existing systems.
• Ensure all technical documentation is current and freely available.
• Ensure all process are documented.
• Test any new system released/upgrades from development.
• Ensure that a testing schedule and procedure is available.
• Setup and maintain production systems.
• Database management.
• Identify issues/problems and assess the severity of the problem and take corrective action.
• Determine appropriate approach to solving problems.
• Develops plans for implementing solutions.

Minimum Requirements

• Matric (compulsory) plus B. Tech (Information systems/ Computer Systems) or B.Sc. (Computer Science) or B.Eng. (Electronic / Electronic / Computer).
• 1 year minimum Postilion work experience required.
• Work experience required with issuing, POS Acquiring / TermAPP, Application Builder.
• Experience with Postilion Interchanges (PostBridge, Nexbridge, Base24, VisaBase12, Visa SMS, Visa, MasterCard (Cr/Dr), BankServ, Active/Active
• Experience with ATM Driving – ATMAPP / Application Builder (NCR and Diebold)       
• Experience with 3DSecure / E-Commerce acquiring.        
• Experience with MS SQL database engine.
• Experience with development language like (C / C++ / C# / F# / Java Delphi/ T-SQL/ Python, Perl).
• Familiarity with the following: Cryptography, ISO8583 protocol, HSM, Virtual Machines, computer networks.

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Description

• You will be involved in the development of a public facing website based on Microsoft products, including the development of API’s (Application Program Interfaces) and message integration functionality.
• The development will be done using C# within the Microsoft IDE to develop service-oriented Microsoft DotNet based applications. These applications integrate with various user channels solutions ranging from web, rich clients and batch users to a mobile application.
• The work contains a portion of support and refactoring of existing code as well as new development (extend it for new functionality) and add extra integration points.

Requirements:

• Support existing and develop new functionality and components.
• Understand existing product and domain elements and work with business analysts to refine and implement new requirements.
• Refactor and improve the code to keep the product maintainable and adaptable to new requirements.
• Work effectively in a team environment and follow/develop product software development processes and standards.
• Evaluate and improve application performance, and high availability features.
• Create unit and integrated system tests to show that the developed functionality works as intended.
• Create technical documentation that explains how the various components of the system work and how to use them.
• Do root cause analysis on bugs to find and fix the cause of a problem in an integrated system.
• Build and deploy the system on an application server.
• Create and execute functional test scenarios (dev testing).
• Incorporate the work done by other developers and do whatever is necessary to get the system to work again with the changes, including debugging other people’s code, making changes to test data, etc.

Minimum Requirements

• Relevant tertiary qualification in Information Technology or Computer/Engineering Sciences.
• 3-5 years relevant working experience as a developer as part of a team in a software development environment.
• A strong knowledge of Microsoft web development toolsets is essential.
• Experience with integration solutions utilising both JSON and XML message exchange.
• Experience with XML messaging and schema validation of these messages is important within an IBM MQ Client interaction.

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Description

• Certify, analyze and test application specific Postilion environments.
• Troubleshooting and resolution of test environment support calls.
• Acquirer and client testing/certification.
• Provides both internal and external customer support and service.
• Run: Test analysis, diagnosis and resolution.
• Collaboration: Work with multiple teams and customers to identify, troubleshoot and resolve EFT issues.
• Reporting: Ensure issue visibility to customers and vendors.
• Acquirer test scheduling and management.
• Customer test scheduling and management.
• Complete and maintain documents for certifications.
• Create and maintain test plans.
• Installing software on Postilion Real-time and Postilion Office.

Minimum Requirements

• Senior Certificate/Matric required (compulsory).
• Relevant IT Degree/3 year National IT Diploma from a reputable institution.
• Relevant testing certification required.
• Postilion Real-time and Postilion Office configurations experience.
• 1-2 years testing and certification experience.
• Working experience of functional, system, integration and regression testing specific in Postilion environment.
• eSocket experience.
• eSocket Trace analysis.
• Troubleshooting experience.
• EFT Test experience.

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Description

• The successful applicant will join a team of specialist to work together with the current internal capacity at the client on various projects.
• Acquire, extract, process and synthesize datasets from systems.
• Meeting specified data standards required for general data requests, specialized data requests as well as ad hoc requests including analysis thereof to provide insights and identify revenue opportunities.
• Provide advisory support on data analytics, predictive modeling as well as data mining techniques in order to fully utilize data to the benefit of the organization.
• Develop, amend, update and enhance available scripts to improve the extraction methods used.
• Assist with the practical implementation of the identified machine learning model techniques.
• Exploring patterns in behavior in the tax base to identify fraudulent and noncompliance.
• Design, development and deploying of models for the prediction of submission and payment of tax products.
• Experience in data analysis and methods of supplementing datasets utilized in machine learning modelling.
• Utilizing both supervised and unsupervised machine modeling techniques.
• Outlier detection models to identify noncompliance or tax declaration omissions.
• Improvements and enhancements to the data store, processes to accommodate automation and Machine Learning modelling deployment.
• Explore automation functions and machine learning techniques to improve the data management and analysis processes.

Minimum Requirements

Requirements:

• Must have a Senior Certificate (Matric) compulsory.
• Must have a Data Science related Degree or 3 year National IT Diploma from a reputable institution.
• At least 5 years advanced working experience in data analytics and business intelligence environment.

Technical skills & experience required:

• Advanced knowledge of business information management.
• Must be highly skilled in advanced analytics and big data.
• Must have good experience with statistical analysis tools (SQL, SAS & Stata).
• Relevant knowledge of programming languages like Python to wrangle and clean datasets.
• Knowledge of the enterprise data warehouse environment and creation of data marts.
• Experience in managing and using large data sets.