Backend Software Engineer
Quantexa
- London, England, United Kingdom
- London, England, United Kingdom
Über
Opportunity As a Backend Software Engineer at Quantexa, you’ll play a key role in shaping one of the most critical components of our Decision Intelligence platform.
What We’re All About We turn complex, interconnected data into meaningful insights—helping global organisations detect patterns, uncover risks, and make smarter decisions. You’ll work across the software stack, from improving our scoring capabilities that help uncover financial crime to building tools that make detection logic faster, clearer, and more powerful for our users. The work you do will directly impact how clients identify suspicious activity and protect their businesses.
This role involves stakeholder collaboration and the autonomy to take features from concept through release, working with product teams and delivery specialists to design solutions with real-world impact. You’ll join a talented, supportive group that values innovation, knowledge sharing, and continuous improvement.
The engineering work in the Decision Systems team centers around backend development using Scala and the latest agentic AI tooling. Typical tasks include:
Building new tooling that allows users to configure detection logic more easily and effectively
Enhancing the platform so that existing Scores can be applied across an expanding range of scenarios
Improving system performance to ensure even the largest datasets can be analysed efficiently
We have a strong team culture supported by regular social events and a vibrant presence in Quantexa's London office, alongside a flexible working policy that allows for regular home working.
Requirements What do I need to have?
Strong commercial experience in Java or another JVM-based language
A willingness — and enthusiasm — to learn Scala and adopt functional programming practices
Pride in designing, building, and delivering well-engineered, high-quality solutions to complex problems
A big-picture approach to problem-solving, ensuring your solutions work effectively within the wider system
Experience across the full engineering lifecycle, from design and implementation through to testing and deployment
A passion for growth and learning as part of one of the UK's fastest-growing scale-ups
Experience in the following would be beneficial but not essential:
Working with big data technology, ideally Spark but others such as Hadoop or Elasticsearch
Experience with DevOps tooling and approaches (automation and tooling is a focus; a dedicated Developer Tooling team exists)
Building data processing pipelines for production batch systems, including ETL or analytics pipelines
Manipulating data through cleansing, parsing, standardising, etc., to improve data quality/integrity
Usage of agentic AI tools and workflows
Benefits Why join Quantexa?
Our perks and quirks. What makes you Q will help you realize your full potential, flourish, and enjoy what you do, while being recognized and rewarded with our broad range of benefits. We offer:
Competitive salary and Company Bonus
Flexible working hours in a hybrid workplace and free access to global WeWork locations and events
Pension Scheme with company contribution of 6% (if you contribute 3%)
25 days annual leave (with option to buy up to 5 days) + birthday off
Work from Anywhere Scheme: spend up to 2 months working outside your country of employment over a rolling 12-month period
Family: Enhanced Maternity, Paternity, Adoption, or Shared Parental Leave
Private Healthcare with AXA
EAP, Well-being Days, Gym Discounts
Free Calm App subscription for meditation, relaxation and sleep
Workplace Nursery Scheme
Team's Social Budget & Company-wide Summer & Winter Parties
Tech & Cycle-to-Work Schemes
Volunteer Day off
Dog-friendly Offices
Our mission We have one mission: to help businesses grow, to make data easier, and to make the world a better place. We are a diverse, inclusive employer that values individuality, curiosity, and caring minds who want to push the boundaries of what’s possible.
It’s All About You We want you to feel welcome, valued and respected. If you are a passionate, curious and caring human being who wants to push the boundaries of what’s possible, we want to hear from you. We are an Equal Opportunity Employer and strive to create an inclusive and diverse work environment.
Apply
– start. don’t stop. Apply.
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Sprachkenntnisse
- English
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