Senior Software Engineer, Citi

Citi

Location:
United Kingdom, London

Category:
IT - Software Development

Contract Type:
Employment contract

Salary:

Not provided

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Job Description:

The Senior Software Engineer will work within the Equinox team to lead projects, design system architectures, and deliver new features. The role also involves liaising with business stakeholders, maintaining system stability, and mentoring junior team members.

Job Responsibility:

Defining the technical architecture for Equinox, data and process flows from upstream and to downstream systems
Liaising with the business stakeholders and business analysts to define new projects, ensure completeness of requirements and agree priorities
Designing new functionality
Owning iterative delivery of new features to the business
Ensuring ongoing system robustness and stability
Playing an active role in team’s response to production issues
Coaching and mentoring more junior team members to improve the standard of work.

Requirements:

Hands-on professional software development experience at a senior level
Proven experience of defining technical architectures and leading complex projects through to delivery
Proficiency in object-oriented and functional programming
Rigorous application of clean code and TDD principles
Demonstrated leadership skills and ability to lead by example
Proactive approach to identifying issues that affect productivity of the team, finding and implementing appropriate solutions, inspiring the team to adapt and grow
Ability to work independently in a fast-paced and rapidly changing environment
Proficiency in Java
Expertise in component integration via REST APIs and message queues, such as Kafka
Thorough understanding of multi-threaded programming
Experience in developing concurrent applications with asynchronous task processing based on actor model (Akka Actors) and streaming (Akka Streams)
Working knowledge of NoSQL databases, such as Couchbase
Ability to create and maintain project builds (Gradle) and CI/CD pipelines (Jenkins, Tekton)
Experience of building and deploying containerised applications (for instance, using OpenShift)
Education: Bachelor’s degree in computer science or engineering field involving software programming or systems engineering.

What we offer:

27 days annual leave (plus bank holidays)
A discretional annual performance related bonus
Private Medical Care & Life Insurance
Employee Assistance Program
Pension Plan
Paid Parental Leave
Special discounts for employees, family, and friends
Access to an array of learning and development resources
A hybrid working model (up to 2 days working at home per week).

Additional Information:

Job Posted:
November 01, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Senior Software Engineer