Senior Dotnet Developer

JR United Kingdom; Oxford; Remote; GBP 45,000 - 70,000; Full time

Job summary

A leading financial technology firm, Tembo, is seeking a Senior .Net Developer to lead the development of scalable services and features in a rapidly evolving environment. This role not only offers impactful work that changes lives but also promotes innovation within a supportive remote-first culture.

Benefits

Enhanced parental benefits

Health insurance

Day off for your birthday

Abroad away day

Qualifications

• At least 5 years of professional experience in software development.
• Strong focus on .Net technologies and event-driven distributed platforms.
• Experience with payment processing systems is highly desirable.

Responsibilities

• Drive the development of robust, scalable services.
• Lead and contribute to end-to-end feature development.
• Conduct thorough code reviews and mentor junior engineers.

Skills

.Net

C#

Event-driven architecture

Azure

SQL

NoSQL

Payment processing systems

Communication

Flexibility

Technical investigation

Job description

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Senior Dotnet Developer, oxford district

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Client:

Tembo

Location:

oxford district, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

3

Posted:

06.06.2025

Expiry Date:

21.07.2025

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Job Description:

About the company

Tembo is making the dream of ownership possible for a new generation of home buyers. We are a disruptive, award winning mortgage broker powered by a proprietary technology platform which aggregates every mainstream and niche lender in the UK - with the result often getting the buyer years ahead of the alternative.

We recently acquired savings company Nude Finance – now Tembo Savings – to help us capture customers earlier in their home buying journey, nurture them through saving for a deposit and ultimately to match them with the best mortgage product to get them onto the ladder more quickly.

We’re a mission centric organization that holds our values close:

• Find a way - representing our desire to innovate and also leave no stone unturned to help find a customer a way to get on the ladder
• It's all about the people - customers, colleagues, partners - we’re all human and without them we are nothing
• If you don’t like it change it - as a startup we’re constantly listening to every source of data and evolving, every opinion counts

We are rated 4.9* on Trustpilot with every single customer review celebrated:

https://uk.trustpilot.com/review/tembomoney.com

We are well funded by Goodeater Capital, Aviva, McPike Family Global Office, Ascension, Love Ventures as well as a suite of ethical backers such as Fair by Design, Barrow Cadbury, Joseph Rowntree Foundation and Big Society Capital.

You can read more about us and our mission on our website: https://www.tembomoney.com/our-mission

About the job

Tembo is on the lookout for a passionate Senior .Net Engineer to join the savings team. We’re currently in the midst of a platform revolution as we re-architect towards a more resilient, robust future to support our explosive growth. This role offers the opportunity to help shape that direction and cut your teeth into some exciting and pivotal problems.

The stack is currently a React Native mobile app (currently being rewritten), with a .Net microservice architecture (monolith + services).

Key Responsibilities:

• Service Creation: Drive the development of robust, scalable services that underpin the customer experience.
• Feature Development: Lead and contribute to the end-to-end development of new features, from conceptualization to deployment and maintenance, ensuring they meet our quality and performance standards.
• Maintenance and Optimization: Regularly evaluate and optimize the performance of existing features, ensuring our application runs smoothly and efficiently.
• Bug Identification and Resolution: Proactively identify, troubleshoot, and resolve bugs and issues within our application, enhancing user experience and service reliability.
• Code Reviews and Best Practices: Conduct thorough code reviews to maintain high coding standards and practices within the team. Mentor junior engineers by sharing knowledge and best practices.
• Cross-Functional Collaboration: Work closely with other teams, including product management, and design teams, to ensure seamless integration and alignment on project goals and timelines.
• Technical Investigations: Lead and participate in technical investigations to explore innovative solutions and technologies that can enhance our application's capabilities and performance
• Open Standards: Work with us to further our commitment to open standards such as OpenTelemetry and OpenApi

About you

• At least 5 years of professional experience in software development, with a strong focus on .Net technologies.
• Expertise in .Net framework, C#, and demonstrable experience of building event-driven distributed platforms
• Experience with Azure and database technologies (SQL/NoSQL) is highly desirable
• Must have experience with payment processing systems and real money transactions. Experience of ledgers, holdings, valuations is highly desirable
• Communication: Excellent communication and collaboration skills, capable of working effectively in remote, cross-functional teams.
• Flexibility and adaptability: We punch above our weight, move quickly and ship often. If you thrive in a startup and want to help get us to scale-up
• Acceptance of tech debt: know when to incur technical debt to deliver business value... and when to pay it off

Why Join Tembo?

At Tembo you will do impactful work that changes people's lives. You’ll work alongside people who are motivated by the mission and desire to make home happen for an entire generation of people.

Our values flow through everything we do. You'll have the chance to make a real difference to people's lives — our TrustPilot is testament to the change we're affecting.

We offer a supportive, remote-first work environment where innovation and initiative are celebrated.

We’ve just relaunched our benefits package which includes enhanced parental benefits, health insurance, a day off for your birthday, an abroad away day (Mallorca here we come) to name just a few.

We are committed to diversity and inclusion, providing equal opportunities for all team members. Join us in our mission to deliver exceptional digital experiences and make a real difference in the technology landscape.