Russian hacker, Vladimir Leonidovitch Levin, attempted the biggest bank heist the world had ever seen via dial-up internet in 1994, Zia Hayat, Callsign CEO and founder, was hooked - armchair fraud became a real possibility. From this moment, Zia knew he wanted to play a part in stopping the bad guys and securing the internet for all. Founded In 2012, Callsign's mission has been to make Digital Identity simple and secure for everyone and everything. In that time, we've grown to over 200 employees, opened offices in Singapore and Abu Dhabi, been recognised as a WEF Global Innovator and our technology is being used by many of the world's leading financial institutions to keep millions of consumers safe.

But we aren't stopping here. The identity revolution has only just begun, and we are looking to hire the brightest and inquisitive minds to help us make every web, mobile and physical Interaction seamless and secure. If this sounds like you, lets chat.

Job Description

• Be responsible for enhancing and maintaining a highly transactional Java platform and build new Microservices
• The opportunity to work in an Agile fast-paced environment, where requirements can change overnight and getting things done is as simple as making a case and leading the charge

• Work as part of an amazing team of like-minded individuals with a can-do attitude to change the world
• Proactively identify technical debt, where the platform can be optimized, and introduce operational efficiencies
• Design and produce performant, scalable, highly transactional software, that adheres to functional and nonfunctional requirements, and be able to explain them to both technical and non-technical stakeholders
• Estimate, prioritize and execute tasks in a high-pressure environment
• Support the execution of production deployments and go-lives

Requirements

• 5 years of commercial experience in Java

• Have experience working with relational DBs such as MySQL, Oracle, PostgreSQL. Ideally NoSQL experience
• Have experience developing and designing RESTful API
• Ability to choose the right technology for the task at hand, whether it turns out to be the latest framework or an established one
• Have a strong knowledge of object-oriented design and development best practices
• Have experience with Continuous Integration

• You can estimate, prioritize and execute tasks either by pair programming or single-handedly in a high-pressure environment
• Have an excellent command of the English language
• BSc or MSc in Computer Science or related degree from a top university
• Experience with performant, highly transactional, service-oriented platforms
• Knowledge of Spring Frameworks including Spring Security, Spring Boot, and Spring Data
• Test Driven Development is your bread and butter. Without it, there’s just jam
• Having a working knowledge of Docker, UNIX-based operating systems, and Microservices
• Familiarity with application security, cryptography, and security practices
• Having a working knowledge of Docker, Kubernetes, AWS, UNIX-based operating systems, and Microservices
• Experience working with Agile teams or startups

Benefits

• Health Insurance
• 3 months full pay maternity & 2 weeks full pay paternity
• 25 days of annual leave + Callsign Bank Holiday (not included in holiday allowance)
• Competitive Salary
• Gratuity as EOSB

If you feel you have the above skills we would love to hear from you!