Principal Software Engineer - Retail
Athens, Greece
πριν από 3 μέρες

Job Description

The Principal Software Engineer is a key team member of the New Product Development (NPD) team. The Principal Software Engineer will be critical to ensure the highest coding standards and quality of deliverables to the QA and Operational Excellence teams and for adoption by operators.

A Principal Software Engineer will be expected to both lead and mentor less experienced developers, actively contributing to their day-

to-day activities and training needs.

The Principal Software Engineer will have a central role to play to ensure that the Software Engineering teams are aligned with overall Group and NPD architectural & technology (A&T), QA and Operational Excellence strategies, and also to act as a key influencer for such.

Along with the Development Manager and Senior Software Engineers, the Principal Software Engineer will ensure that new technologies and architectural principles are utilised appropriately and with rigour, whilst delivering the stability and performance that the SG Digital platforms have become synonymous with over time.

The role will also be required to help build a development capability with new and existing development teams, ensuring that best of breed engineering practices are implemented, particularly around CI / CD and also monitoring and support requirements.

The role will be across the Retail suite of products including Online Point of Sale (OPOS) and Self Service Betting Terminals (SSBT), all delivered in an Agile format with direction from Product Management but with delivery via a tightly contained team focused on quality deliverables across the platform.

Key Responsibilities

  • Ability to act as the design authority and provide high-level estimates of software deliverables for planning purposes
  • Supporting the Development Manager and Heads of Operational Excellence and QA to ensure continuous quality improvement in the development teams
  • Supporting the Architecture team in the definition of the overall A&T strategy for the NPD deliverables, and also adherence to Group A&T standards across NPD deliverables
  • Proactively identify and address areas of material improvement, notably around performance, security and scalability
  • Supporting the NPD leadership team in the planning, implementation and evolution of technical processes and feedback to the wider company
  • Where required, provision of 3rd line support and supporting production deployments
  • Supporting recruitment of technical staff onto the New Platform team
  • Identification and support of the training needs of the broader NPD team
  • Provision of technical input into Project Management, notably to support in the management of the Backlog, including Problems raised via Operations.
  • The role will be based in Athens. Travel will be required, sometimes at short notice, both to other development offices and also to SG Digital's sportsbook customer base.

    The Principal Software Engineer will frequently be required to make themselves available out of normal office hours for meetings with remote development teams and non-European operators.

    Knowledge and Experience

  • A Bachelor's degree in a traditional science subject, ideally computer science, engineering or information systems from a well regarded university
  • At least 7+ years of experience developing commercial enterprise applications.
  • Ideally 4+ years of demonstrable experience in designing distributed, high-volume, highly available, complex transactional systems
  • Proven accountability for delivering technical components of both major IT or commercial projects and ongoing Core Engineering programmes
  • Ability to document technical solutions in a variety of formats and to constructively share knowledge with less experienced team members
  • Ability to learn and critique new technologies quickly
  • Excellent verbal and written communication skills, including presentations to peer groups
  • Demonstrably being able to deal with change on a daily basis; must be comfortable both with external factors driving this change as well as internal
  • Ability to work as part of a senior management team leading the NPD programme
  • Experience in contributing to and influencing technical strategic planning or responsibility for a technical strategy strategy
  • Good managerial and leadership skills, able to motivate teams as well as driving change and handling difficult and complex project development activities both internally and externally
  • Should be opinionated, especially about technology
  • Technical skills : Mandatory


    A minimum of 6 years’ hands-on experience in designing and developing applications in at least one major language (e.g. Java, J2EE, C, C++), using UNIX / Linux.

    A minimum of 4 years’ hands-on experience in designing distributed systems, for example using (preferably) DDD or SOA and potentially also a central broker’ (such as Kafka or potentially an ESB)

    A minimum of 2 years’ hands-on experience in designing applications using the actor model

    Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate etc.)

    Experience in developing web applications using at least one popular web framework (JSF, Drupal, GWT, Spring MVC etc.)

    Demonstrable experience with TDD and / or BDD

    Extensive experience is the use of Docker, Ansible, Maven, Jenkins, Sonar and Git (BitBucket)

    Demonstrable experience in developing large distributed systems and concepts such as caching, sharding, consistent hashing, interprocess communications and brokering

    Some experience of developing and deploying distributed eCommerce (or similar) platforms in the cloud, using at least one major cloud provider (e.g. AWS or Google Cloud)


    Hands-on experience in TCL development.

    Hands-on experience in developing microservices using at least one popular framework (Netflix OSS, Spring Cloud, Play etc.)

    Some experience in Domain Driven Design, the actor model, event-sourcing and CQRS

    Secondary expertise in Python (maybe PHP) and PostgreSQL or MySQL would be beneficial

    General scripting skills : Bash, Perl, Python, Javascript etc.

    Additional Information

    Why would you enjoy working with us at SG Digital?

  • Competitive benefits, an open and supportive environment as well as a modern and exciting workplace
  • The opportunity to interact with global teams on a regular basis and the possibility to switch teams and projects as you and our business continues to develop and grow
  • Tangible and genuine development - at SG Digital, you can take your career where you want it to go!
  • Exposure to real work, business-critical projects and the chance to develop some of the world’s leading e-commerce sportsbooks whilst working on exciting client projects and interact with lots of code!
  • And if that’s not enough ; you will get to enjoy a stunning work location and flexible working whilst we provide you with the guidance and development skills you need to progress quickly and enhance your career.

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