Senior Scala Engineer CGEMJP

Experis IT; Greater London; Hybrid; GBP 102,000 - 133,000; Full time

Job summary

Experis IT in London is seeking a Senior Scala Engineer to define and shape the APIs for the Front End Attribute Reputation services used by Digital platforms to detect and prevent fraud. You will collaborate with data product and Front End teams to deliver attribute insights across the business.

The role requires Active SC clearance, a hybrid working arrangement in Stratford, London, and an umbrella-only contract with a daily rate up to £637. Start is 14/12/2026 for 6 months.

Qualifications

• Security clearance (SC-level) is required.
• API design
• Data analysis
• Databases
• AWS Suite experience
• Awareness of Site Reliability Engineering and support
• Testing and automation
• Working in a lean, agile environment
• You build it you run it in a CI context
• Experience coding in continuous integration context

Responsibilities

• Define and shape the way we deliver the Front End Attribute Reputation APIs to Digital services for fraud detection.
• Collaborate with data product and Front End teams to provide attribute insights across the business.
• Maintain simple, well-tested code and support operations in production.

Skills

Scala

Play or other MVC/Rest API frameworks

SQL

AWS Suite

Continuous Integration

Agile methodologies

Security clearance (SC-level)

Tools

Docker

Jenkins

Kibana

Grafana

Airflow

Job description

Job title: Senior Scala Engineer
Rate: up to £637 per day - Umbrella only
Start date: 14/12/2026
Duration: 6 months
Location: Stratford, London (hybrid remote working)
Clearance: Active SC clearance required
CIP is driven by the principal need to detect and prevent fraudulent access to taxpayer data and prevent organised repayment fraud.
Attribute Reputation is the process through which large amounts of data are collated from tax transactions to glean insights into common attributes. In particular, we assert their validity and derive risk scores to transactions based on whether the attributes in question, or other attributes used in combination with that attribute, have been used in historic transactions associated with past suspicious or fraudulent activity.
Collaboration with other data product and Front End product teams will form the core of creating a frictionless customer experience to exploit the digital audit data that CIP holds.
Insights from Attribute Reputation are crucial for the company's services, and the team is pioneering data sharing with other government departments and local authorities.

Role description

As a Senior Scala Engineer in the AttRep Team you will define and shape the way we deliver the Front End Attribute Reputation services (APIs) to Digital services to provide attribute insights for fraud detection and prevention across the business.

Desired behaviours

• Be proactive
• Responsible and motivated self-starter
• User centric attitude
• Prioritise people over processes
• Drive lean results; understand the value of iterative delivery
• Be evidence driven
• Advocate for 'doing the right thing'
• Help others understand your work through co-participatory design, pairing, demos and documentation
• Make complex look and sound simple
• Be kind, creative and convincing

How we work:

We favour:

• Breaking down a high-level problem as a team upfront and delivering the core value first
• Delivering individual business benefits to production, rather than bundling tasks together
• Collaboration, communication, regular pairing and thoughtful course-correction
• Taking the time to write simple and easy to maintain code
• Willingness to make and participate in improvements for the greater good of CIP
• Working cross-discipline rather than adhering to tightly defined roles.

Knowledge & experience

• Security clearance (SC-level)
• API design
• Data analysis
• Databases
• AWS suite experience
• Awareness of Site Reliability Engineering and support
• Skilled at returning services to good states in outage situationsUnderstands the importance of testing and automation
• Working in a lean, agile environment
• Working in a "you build it you run it" team
• Experience coding in continuous integration context

Skills & technologies

Essential:

• Scala
• Play or other MVC/Rest API frameworks
• SQL
• AWS Suite
• Continuous Integration
• Agile methodologies

Desirable:

• Containerisation principles/Docker
• Jenkins
• Kibana
• Grafana
• Airflow

If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website.