Senior Java Developer/Optiva (offline)

Optiva is a leading company in telco industry and telco products, covering the full lifecycle of telecom billing system experience, including that of real-time and offline charging systems, together with CDR mediation and Policy Control.

What will you do?
Job duties

● Design and develop software solutions by studying information needs; checking with users; studying systems flow, data usage and work processes; investigating problem areas; following the software development lifecycle;
● Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development and proposed solutions;
● Document and demonstrate solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code;
● Prepare and install solutions by determining and designing system specifications, standards and programming;
● Improve operations by conducting systems analysis; recommending changes in policies and procedures
● Update job knowledge by studying state-of-the-art development tools, programming techniques and computing equipment; participating in educational opportunities; reading professional publications; maintaining personal networks; participating in professional organizations;
● Protect operations by keeping information confidential;
● Provide information by collecting, analyzing and summarizing development and service issues;
● Accomplish engineering and organization mission by completing related results as needed;
● Support and develop software engineers by providing advice, coaching and educational opportunities;
● Mentor all levels of engineers;
● First and foremost, developing software our users need;
● Collaborate with team to brainstorm and create new products;
● Grow engineering teams by interviewing, recruiting and hiring;
● Make informed decisions quickly and taking ownership of services and applications at scale;
● Work collaboratively with others to achieve goals;
● Be a persistent, creative problem solver;
● Remain cool and effective in a crisis;
● Stay on the leading edge of development practices;
● Passionate about great technologies, especially open source;
● Understand business needs and know how to create the tools to manage them;

What do you need to succeed?

Mandatory Qualifications:
● More than 10 years developing software using Java (Spring/Spring Boot, Microservice architectures, REST) or .NET (Dynamics CRM experience would be a plus);
● Experience working with Cloud solutions (GCP, AWS, or Azure) and Containers (Kubernetes, Docker);
● Experience designing the software architecture of mission-critical enterprise systems.
● Should possess excellent debugging skills, should be able to analyse threads dumps, GC, Memory leaks.
● DB Knowledge: Oracle, MySQL, PostgreSQL, Redis;
● Unit and Integration tests experience;
● Excellent OOP skills;
● Experience working with CICD, GIT, Jira, Jenkins;
● Excellent communication in English;
● Knowledge of Agile methodology;
● Very good soft skills, Teamwork and adaptability to challenges;
Optional Qualifications:
● Experience in Telecom solutions (Protocol Handlers, OSS, BSS, Billing, Charging, CDR Mediation) would be a plus;
● Experience with Optiva Unified Charing Application (Flex Logic, IPD, ngOM, CAF, etc.)
● Knowledge of 3GPP standards, 3G, 4G Architecture and Technologies\

About Zimad

Группа компаний XIM Inc/Zimad
Мы занимаемся разработкой:
∙ веб-приложений для социальных сетей, мобильных платформ
∙ крупных корпоративных решений и специализированного ПО под заказ
∙ игровых приложений

В рамках компании функционируют 2 подразделения:
-ZiMAD (мобильные игровые приложения)
-XIM Inc (аутсорсинговая разработка)

ZiMAD — разработчик и издатель популярных игр и приложений для мобильных платформ, PC и социальных сетей.

ZiMAD находится на рынке интерактивных развлечений с 2009 года, ставя своими главными задачами высокое качество конечного продукта, технические инновации, а также создание уникального игрового опыта и опыта взаимодействия с устройствами.

ZiMAD — создатель таких популярных игр, как Magic Jigsaw Puzzles (Чудо Пазлы), самой популярной цифровой коллекции пазлов в мире, Dig Out!, My Museum Story и многолетней серии Bubble Birds. Наши продукты имеют многомиллионную базу активных пользователей со всего мира.

ZiMAD — это настоящие профессионалы из индустрии игр, нацеленные на результат и любящие своё дело.

XIM Inc - команда экспертов, занимающаяся разработкой программного обеспечения. Мы не создаем «еще одно приложение», мы помогаем Вашему бизнесу соответствовать всем требованиям рынка мобильных и веб технологий. Сосредоточившись главным образом на мобильной и веб разработке, наша экспертиза покрывает широкий спектр IT услуг: разработка программного обеспечения, разработка мобильных приложений, создание приложение для социальных сетей, QA услуги и IT консультирование.

XIM, Inc. основана в 1994 в Сан Франциско, Калифорния. На сегодняшний день компании имеет партнеров в России, Беларуси и Украине, где работают лучшие в своей области специалисты.

Company website:
http://zimad.com

DOU company page:
https://jobs.dou.ua/companies/zimad/