Software Engineer (Orchestration)

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 250 employees, opened offices in UK 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. As a Software Engineer at Callsign, you will design, build, and maintain components of our highly transactional Java platform. You’ll work in an Agile, fast‑paced environment, collaborating with cross‑functional teams to deliver secure, scalable, and performant software. You’ll take ownership of features from development through deployment, proactively improving code quality, reliability, and efficiency. Responsibilities - Design, develop, test and maintain Java‑based services and APIs. - Write clean, testable, and maintainable code following engineering best practices. - Understand requirements before writing code by participating in refinement sessions with peers, QA and Product to deliver high‑quality features. - Participate in code reviews and contribute to continuous improvement. - Perform end-to-end testing of pushed code. - Support production deployments and troubleshoot issues with SRE/App Support. - Identify and address technical debt and performance bottlenecks. Benefits - Private Premium Health Insurance - Visa costs including 1 month paid hotel stay on arrival - Annual Airfare Allowance for the home country - 3 months full pay maternity leaves & 2 weeks full pay paternity leaves - 25 days of annual leave + Callsign Bank Holiday (not included in holiday allowance) - Competitive Salary - Gratuity as EOSB

Design, develop, test and maintain Java-based services and APIs. Write clean, testable, and maintainable code following engineering best practices. Understand requirements before writing code by participating in refinement sessions with peers, QA and Product to deliver high-quality features. Participate in code reviews and contribute to continuous improvement. Perform end-to-end testing of pushed code. Support production deployments and troubleshoot issues with SRE/App Support. Identify and address technical debt and performance bottlenecks.