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NewDay

Senior .Net Engineer

NewDay
United Kingdom · Full-time · Mid-Senior

Working at our iconic office in London, and virtually via Microsoft Teams


Your new role at NewDay


As a Senior Software Engineer, you'll design and build cutting-edge products and cloud solutions, solving complex challenges that drive the evolution of our platform.


What You’ll Deliver:


  • Business-critical, highly configurable, scalable and reliable cloud services used throughout our organisation
  • Solutions to continually improve our growing software estate


What You’ll Bring:


  • You will be able to convey complex ideas with clarity and confidence.
  • C# & .NET Expert – Deep expertise in building robust, scalable applications.
  • Strong experience with TDD or BDD to ensure high-quality code.
  • Skilled in designing high-availability systems with performance monitoring and fault tolerance.
  • Hands-on experience in building distributed, decoupled systems.
  • Solid grasp of core architecture principles and best practices.
  • Experienced with both relational and document databases.
  • Strong advocate for Agile methodologies, collaboration, and continuous improvement.



We would love you to know or learn


  • Azure cloud with Functions or Web APIs (equivalent AWS experience considered)
  • Distributed event streaming (Kafka or similar)
  • DevOps experience with modern CI/CD pipeline development and support, such as Team City, GitHub Actions or Octopus
  • PowerShell

Where next? Let’s talk about this role – Apply now or contact [email protected] with any queries.


About NewDay


We help people move forward with credit and help our colleagues to move their careers forward too.

We use our highly flexible, scalable, and multi-product digital credit engine to power over 120 million transactions every year. Our brands include Aqua, marbles, fluid and Bip. We partner with leading brands such as John Lewis, AO, Argos and DEKO.

Over 5 million UK customers are supported by our award-winning customer service.

At NewDay, we value all types of diversity. We’re an equal opportunity employer and believe that our differences create a vibrant, authentic working culture. We want all our colleagues to feel able to bring their whole selves to work. We don’t discriminate on the basis of age, physical or mental disability, gender reassignment, marriage and civil partnership, pregnancy and carer status, race (including colour, nationality, and ethnic or national origin), religion or belief, sex and sexual orientation. We make sure that every job is crafted to be inclusive and that people with disabilities or caring responsibilities can take part in the application and interview process. Tell us if you need accommodations: we’ll put reasonable adjustments in place to support you.


Our dynamic NewDay culture


We’re focused on what will drive impact in helping people move forward with credit. Our distinctive culture is geared to spark innovation and team working – with lots of open doors for development. Our customers can rely on us because we aim high, support each other, do the right thing and build for the future.

We invest in our colleagues. On top of a strong market competitive salary, you get a bonus opportunity that matches the impact (delivery + values) you drive in your role. We also help you retire better with market leading pensions.

At NewDay, #yourwellbeing matters: You get 26 days holiday and can buy up to 5 more after probation. Then you’ll get extra days as you build your career with us.

NewWork, our flexible, hybrid working approach, helps you to manage your work/life balance - and even bolt on work time in other countries before or after your holiday. And when you’re in the office, you get free healthy breakfast, fresh juices, lunch, barista coffee etc.

Our tax efficient green car and cycle to work schemes save you money (and help the planet).

Ask your Talent Acquisition Partner to tell you more about any of our perks.

We work with Textio to make our job design and hiring inclusive.

#LI-Hybrid

Key Skills

Ranked by relevance

cloud kafka spark cicd tdd aws
Login to Apply
Posted
Apr 14, 2025
Type
Full-time
Level
Mid-Senior
Location
London Area
Company
NewDay

Industries

Financial Services

Categories

Engineering Information Technology

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