The Role
At Zempler Bank, we’re building technology that genuinely helps people and small businesses succeed. We’re now looking for a Senior Developer to join our growing engineering team someone who enjoys writing quality code, solving real problems, and supporting others around them to do their best work.
This is a hands‑on role where your voice will matter. You’ll help shape technical decisions, mentor others, and build resilient, secure systems that stand up in a regulated, real‑world environment.
Hybrid Working
We are very proud to offer one of the most flexible hybrid working arrangements in the industry!
The expectation for this role, will involve a minimum of one day each month – working out of our London Bridge office.
- A supportive, collaborative engineering culture
- Space to influence how things are built not just implement tickets
- A team that values quality, pragmatism and continuous improvement
- Flexibility, trust, and a genuinely human approach to work
- We care about inclusion and welcome applications from everyone, whatever your background
What you’ll be doing
- Supporting the Development Lead to deliver high‑quality software aligned to sprint goals and timelines
- Designing and building resilient, scalable applications using C# across .NET and .NET Framework
- Translating business requirements into well‑shaped, technically sound solutions
- Contributing to architectural and technical decisions with both the short and long term in mind
- Writing clean, maintainable code that meets the Definition of Done
- Carrying out code reviews and promoting good engineering standards
- Troubleshooting production issues, supporting incidents when needed, and preventing recurrence
- Taking part in backlog refinement, sprint planning, and three‑amigos sessions
- Documenting applications clearly and writing concise change controls for deployments
- Supporting secure development aligned to OWASP Top 10
- Proactively suggesting better ways of working, tools, or technologies
What we’re looking for
- Strong commercial experience developing on the Microsoft stack using C#, .NET and .NET Framework
- Experience building Web APIs and modern web applications
- Proven use of TDD (NUnit, xUnit or MSTest)
- Solid knowledge of SQL Server and relational database design
- Confidence writing SQL queries and stored procedures (not solely ORM‑driven)
- Experience working with CI/CD pipelines (e.g. Jenkins, GitHub Actions, Octopus Deploy)
- Experience using Git (preferably GitHub)
- A calm, pragmatic approach to problem solving, including working on incidents
- Strong communication skills able to explain technical ideas with empathy and business context
Desirable (nice to have, not must‑have)
- Experience working in Scrum / Agile environments
- Knowledge of secure development practices
- Experience with service‑orientated architectures
- Application monitoring tools such as Elastic, APM, or similar
Risk & control matters here
As a regulated organisation, we take this seriously. You’ll help ensure applications and processes operate safely within risk appetite, identifying and managing risks thoughtfully and responsibly.
Benefits
- Competitive basic salary
- Additional benefit allowance representing 7.5% of your annual salary allowing you the flexibility to decide your own benefits (or simply absorb this into your monthly income).
- 26 days’ holiday increasing each year of service to 33 days
- Ability to buy and sell a further 5 days holiday each year
- 4 x Life Assurance
- Pension salary sacrifice
- Option for LinkedIn Learning license
- Family friendly policies
- Regular social activities and team events
- Charity Volunteering Day
Our commitment to inclusion
We want to hear from people with different backgrounds, experiences and ways of thinking. If you’re excited by this role but don’t meet every requirement, we’d still encourage you to apply. We’ll support you to do your best work and thrive at Zempler Bank.
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