Senior Software Engineer - Platform

Moneybox; London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading financial services company in London seeks a Senior Software Engineer to join their platform engineering team. This full-time, hybrid role involves hands-on coding and collaboration within cross-functional teams to deliver technical solutions. Candidates should possess strong .NET and REST API expertise, along with problem-solving skills. The position offers a competitive salary and various benefits including company shares and a wellness program.

Benefits

Competitive salary

Company shares

Pension

Home office allowance

Private health

Wellness benefits

Parental leave

Holidays

Qualifications

• Strong understanding of .NET and REST APIs.
• Ability to adapt quickly to changing priorities.
• Experience delivering challenging projects on time.

Responsibilities

• Hands-on coding to solve complex problems.
• Collaborate with cross-functional teams to build new features.
• Own your code from inception to deployment.

Skills

Problem-solving

Communication

Analytical skills

Self-starter

.NET experience

REST APIs knowledge

Education

Degree in Computer Science or relevant experience

Tools

Azure DevOps

GitHub

Terraform

Job description

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Senior Software Engineer - Platform, London

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Client:

Moneybox

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

30f4a7858c80

Job Views:

7

Posted:

12.08.2025

Expiry Date:

26.09.2025

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Job Description:

Senior Software Engineer - Platform

London, Platform Engineering – Full Time, Hybrid

About Moneybox

Moneybox is an award-winning app that helps you turn your money into something greater. We combine saving, investing, home-buying, and retirement services into one simple app to help users achieve their goals and build wealth, regardless of their starting point.

Job Brief

Our backend engineering teams define and deliver our strategic technology roadmap and platform capabilities to support the entire business. With over 1.5 million customers and managing £12 billion in assets, we focus on resiliency, performance, scalability, and adaptability of our systems.

We are hiring for the following teams:

• Lightning Team: Focused on shaping and executing our strategic technology roadmap, designing, building, and maintaining core platforms.
• Investment Platform Team: Ensures seamless operation of our investment platform, building features that benefit our customers.

These positions offer the opportunity to contribute to impactful, high-visibility projects in a collaborative environment that values technical excellence. A strong understanding of fundamental concepts is essential, though expertise in every tool or technology is not required.

Tech Stack

• C#, .NET
• REST APIs, Hangfire, MediatR, Entity Framework, Blazor
• Azure: App Services, Functions, SQL Server, Service Bus, Event Hub, CosmosDB, Redis, Data Factory
• GitHub, Azure DevOps, Terraform, Datadog

What You’ll Do

• Hands-on coding to solve complex problems focusing on resilience and performance.
• Create robust technical solutions for vague business requirements.
• Take initiative to course-correct projects.
• Collaborate with cross-functional teams to build new features.
• Participate in planning and prioritization.
• Own your code from inception to deployment, following continuous delivery.
• Support live incidents as required.
• Support, coach, and mentor team members.
• Share knowledge through documentation and architectural decisions.
• Contribute to wider engineering designs.

Who You Are

• Enthusiastic about contributing to a mission-driven, impactful company.
• Passionate about building resilient, performant, understandable solutions.
• Self-starter with initiative and ownership.
• Committed to continuous learning and sharing knowledge.
• Collaborative, professional, and fun attitude.
• Stay updated with emerging technologies.

Essential Skills

• Degree in Computer Science or relevant experience.
• Experience delivering challenging projects on time.
• Ability to adapt quickly to changing priorities.
• Experience designing scalable solutions.
• Strong understanding of .NET, REST APIs, OO programming, relational databases.
• Strong analytical and problem-solving skills.
• Effective communication of complex ideas.
• Ability to work independently and in agile teams.

What’s In It For You?

• Join a fast-growing, award-winning business.
• Work with motivated, friendly colleagues.
• Impactful work environment.
• Inclusive culture.
• Competitive salary, company shares, pension, hybrid work, home office allowance, learning budget, private health, wellness benefits, parental leave, holidays.

Our Commitment to DE&I

We promote inclusion, diversity, and equity, encouraging applicants to share any needs for adjustments. We believe diversity drives innovation and better supports our community. We are committed to fair recruitment and equal opportunity.

Visa Sponsorship & Working Policy

We cannot offer visa sponsorship or consider overseas applications. Our hybrid policy includes 2 days in London office and 3 from home. Applicants must be based within the UK.

Read Before You Apply

By applying, you agree to our data use policies. Pre-employment checks include criminal and credit history. We may keep your details for future opportunities unless you opt out.

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