Software Engineer (ML Projects)

Starling; Greater London; Hybrid; GBP 70,000 - 90,000; Full time

Benefits offered by this job

33 days holiday

Extra holiday for birthday

Increased annual leave with service

Paid volunteering time

Company enhanced pension scheme

Life insurance at 4× salary

Private Medical Insurance

Generous family-friendly policies

Perkbox membership

Cycle to Work scheme

Job summary

Starling is seeking a software engineer to join their ML Projects team, located in Greater London. The role involves designing and maintaining machine learning features, encouraging innovation and collaboration among teams. The ideal candidate will have extensive experience building complex systems and familiarity with a range of technologies, including Python and Java.

Benefits include 33 days of holiday, additional personal days, and comprehensive health and wellness programs, reflecting Starling's commitment to a robust work-life balance.

Qualifications

• Skilled software engineer who thrives on building and scaling complex systems.
• Proven track record of delivering robust, multi-technology applications within an enterprise environment.
• Aptitude and attitude over specific qualifications; we are very open about how we deliver software.

Responsibilities

• Design, implement, and maintain features that leverage machine learning models.
• Collaborate across teams to deliver impactful solutions.
• Take ownership and drive solutions from ideation to launch.

Skills

Building and scaling complex systems

Clean coding

Automated testing

Continuous deployment

Python applications

Generative AI

Tools

Python

Java

JavaScript

Postgres

SQL

AWS

GCP

TeamCity

Terraform

Prometheus

Grafana

Job description

Hybrid Working

We have a Hybrid approach to working here at Starling - our preference is that you're located within a commutable distance of one of our offices so that we can interact and collaborate in person.

About the Role

The ML Projects team is at the forefront of bringing cutting edge machine learning to the core of what we do at Starling. As a software engineer on the ML Projects team you will work with other engineers and data scientists to design, implement and maintain features that make use of machine learning models under the hood. This could mean anything from creating a brand new ML-powered feature from scratch to seamlessly integrating a new model into our core banking platform. You might find yourself designing robust infrastructure and pipelines or discovering a completely new approach to a complex problem. We believe in empowering our engineers to take ownership and drive solutions from ideation to launch. This means you’ll have the autonomy to shape your own path, identify challenges, and collaborate with colleagues across teams to deliver impactful solutions across a range of technologies.

Requirements

• Skilled software engineer who thrives on building and scaling complex systems.
• Proven track record of delivering robust, multi-technology applications within an enterprise environment.
• Aptitude and attitude over specific qualifications; we are very open about how we deliver software.
• We believe in clean coding, simple solutions, automated testing and continuous deployment.

If you have built and deployed complex Python applications or have hands‑on experience with generative AI and LLMs, we would be especially keen to talk.

Tech Stack

• Python
• Java (majority of backend codebase)
• JavaScript, particularly React
• Postgres and SQL
• AWS & GCP - cloud-native
• TeamCity for CI / CD
• Terraform
• Prometheus and Grafana

Benefits

• 33 days holiday (including public holidays, which you can take when it works best for you)
• An extra day's holiday for your birthday
• Annual leave is increased with length of service, and you can choose to buy or sell up to five extra days off
• 16 hours paid volunteering time a year
• Salary sacrifice, company enhanced pension scheme
• Life insurance at 4× your salary & group income protection
• Private Medical Insurance with VitalityHealth including mental health support and cancer care; partner benefits include discounts with Waitrose, Mr&Mrs Smith and Peloton
• Generous family‑friendly policies
• Incentives refer a friend scheme
• Perkbox membership giving access to retail discounts, a wellness platform for physical and mental health, and weekly free and boosted perks
• Access to initiatives like Cycle to Work, Salary Sacrificed Gym partnerships and Electric Vehicle (EV) leasing

Starling Bank is an equal opportunity employer, and we’re proud of our ongoing efforts to foster diversity & inclusion in the workplace. Individuals seeking employment at Starling Bank are considered without regard to race, religion, national origin, age, sex, gender, gender identity, gender expression, sexual orientation, marital status, medical condition, ancestry, physical or mental disability, military or veteran status, or any other characteristic protected by applicable law.

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