Senior Software Engineer

Callsign; Abu Dhabi; On-site; AED 60,000 - 120,000; Full time

Benefits offered by this job

Private Premium Health Insurance

Visa costs including 1 month paidhotel

Annual Airfare Allowance for the home

Maternity/Paternity leave

25 days annual leave + Callsign Bank

Competitive Salary

EOSB gratuity

Job summary

Callsign is looking for a technical leader who shifts from pure coding to architecting scalable systems, mentoring juniors, and aligning tech with business goals. You will own end-to-end outcomes, plan projects, and drive critical decisions independently, acting as a force multiplier by coaching teammates and refining code quality.

You will explain complex concepts to non-technical stakeholders, write clear technical docs, and help maintain secure, reliable software across the stack.

Qualifications

• Strong fundamentals of software development and computer sciences.
• Proficiency in at least one programming language used at Callsign.
• Strong understanding of relational and non-relational databases.
• Proficiency with cloud infrastructure.
• Ability to design large-scale, resilient, and secure software architectures.

Responsibilities

• Lead system design in your domain with high- and low-level specifications, ensuring security, reliability, and scalability.
• Mentor and coach junior engineers, review code, improve performance, and enforce standards.
• Break down complex features into actionable tasks, estimate timelines, and mitigate technical risks before delivery.
• Translate technical concepts for non-technical stakeholders and collaborate with product managers and executives.
• Diagnose difficult software issues, refactor legacy code, and maintain system quality.

Skills

Fundamentals of CS

Programming language

Relational DBs

NoSQL/databases

Cloud infrastructure

Job description

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.

Expectations

A technical leader who transitions from strictly writing code to architecting scalable systems, mentoring junior developers, and aligning technical solutions with business goals. They ensure projects are delivered efficiently and establish best practices across the development lifecycle. A senior engineer has the capacity to own end-to-end outcomes, plan projects, and make critical technical decisions independently. They act as a "force multiplier" by coaching junior developers, refining code quality, and reviewing pull requests. They are able to explain complex technical concepts to non-technical stakeholders and write clear technical documentation.

Technical Leadership & Architecture

Leads system design in their domain by creating high-level and low-level technical specifications and evaluating system architectures to ensure security, reliability, and scalability. Take part in the technology selection process by evaluating frameworks and tools for the project. Enforce best practices by setting and maintaining engineering standards regarding code quality, automated testing, and CI/CD (Continuous Integration/Continuous Deployment).

Mentorship & Team Guidance

Providing constructive feedback and coaching to junior and mid-level engineers to facilitate their career growth. Reviewing code submitted by team members to identify bugs, improve performance, and ensure adherence to standards.

Project & Task Management

Breaking down complex features into actionable tasks and establishing realistic timelines and resource estimates. Identifying and mitigating technical risks before they impact product delivery. Contributes to identifying and resolving the technical debt backlog.

Cross-Functional Collaboration

Translating technical concepts into business terms for non-technical stakeholders, product managers, and executive management. Collaborating with various departments to ensure software solutions directly meet market and user demands.

Problem Solving & Maintenance

Diagnosing the root cause of the most difficult software issues and building practical, permanent solutions. Refactoring and optimizing existing legacy codebases to improve performance and maintainability.

Qualifications

• Strong fundamentals of software development and computer sciences.
• Proficiency in at least one programming language used at Callsign.
• Strong understanding of relational and non-relational databases.
• Proficiency with cloud infrastructure.
• Ability to design large-scale, resilient, and secure software architectures

• 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