Position: Java developer (Optiva)
Company: ZiMAD
Experience required: 5y
English level: upper

● 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;

● The Principal Software Engineer handles the most complex software cases, designing, developing, testing and releasing quality software, taking into account industry-level development and documentation practices;

● As a software engineer, you will be working in a team of mixed skills professionals (business analysts, system integration, QA, Ops teams) on Optiva’s innovative solutions for OSS/BSS;

● You will investigate issues by reviewing/debugging code, providing fixes and reviewing changes for operability to maintain existing software solutions;

● You will engage in design sessions with multi-disciplinary teams aimed at shaping the future of our systems.

● You will work in cross-organizational assignments that will include interacting with the Professional Services and Sales teams.

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