Principal Software Engineer- Java

Location: UK (Belfast)/ India (Bangalore)
Type: Full-time

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Job Description:

  • 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


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.;


Mandatory Qualification:

  • 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, NoSQL Engines;
  • 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 Qualification:

  • 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;


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