senior software engineer (c#) Work, Jobs in seaham, dur (with Salaries)

Senior Software Engineer (C#)
tombola —Sunderland
- Hybrid work
- SQL
- Mentoring
Quick apply
Senior Software Engineer, Core Experiences - Newcastle, United Kingdom
Speechify —Newcastle upon Tyne
- Remote
- Java
- APIs
7d
Senior Software Engineer
Dräger UK & Ireland —Blyth
- Hybrid work
- Engineering
- C++
- No degree
Senior Software Engineer I
MHR INTERNATIONAL UK LIMITED —Newcastle upon Tyne
- Azure
- JavaScript
- Mentoring
- Employee discount
- Referral programme
8d
Senior Software Engineer (UK Remote)
Turnitin, LLC —Newcastle upon Tyne
- Full-time
- Remote
- Java
- AWS
- Mentoring
- Annual leave
Quick apply
Senior DevOps Engineer - Newcastle
Accenture —Newcastle upon Tyne
- Full-time
- DevOps
- AWS
- Scripting
Senior Node.js Engineer - Group CMS
LeoVegas Group —Newcastle upon Tyne
- Full-time
- Hybrid work
- English
- JavaScript
- APIs
- Free parking
- Annual leave
Embedded Design Engineer - FPGA Academy
Leonardo UK Ltd —Newcastle upon Tyne
- £37,400 - £71,400 a year
- Full-time
- Hybrid work
- Doctoral degree
- Engineering
- Master's degree
- Flexible schedule
- Referral programme
10d
Architecture - Senior Solutions Architect - IT1
Parkdean Resorts —Newcastle upon Tyne
- £80,000 a year
- Computer Science
- Engineering
- No degree
- Store discount
- Employee assistance programme
Quick apply
Head of Engineering - Operator Platform
tombola —Sunderland
- Hybrid work
- AWS
- Leadership
Quick apply
Security Firmware/FPGA Engineer
Leonardo UK Ltd —Newcastle upon Tyne
- £37,400 - £84,995 a year
- Full-time
- Hybrid work
- Scripting
- Python
- Flexible schedule
- Referral programme
Senior C++ Developer
Version 1 —Newcastle upon Tyne
- Full-time
- Remote
- Windows
- AWS
- C++
- Employee assistance programme
- Employee discount
Quick apply
Software Developer - Industrial IoT Platform (GDN)
J R Dynamics Ltd —Cramlington
- £35,000 - £55,000 a year
- Full-time
- Computer Science
- Engineering
- English
- Free parking
Quick apply
6d
Senior Java Developer
Version 1 —Newcastle upon Tyne
- Full-time
- Oracle
- Java
- SQL
- Employee assistance programme
- Employee discount
Quick apply
Lead Agentic Software Developer
Peacocks Medical Group —Newcastle upon Tyne
- Full-time
- Hybrid work
- Azure
- AWS
- APIs
Quick apply
Senior Automation Test Engineer
Version 1 —Newcastle upon Tyne
- Full-time
- Hybrid work
- Azure
- Java
- AWS
- Employee assistance programme
- Employee discount
Quick apply
Tech Lead, Android Core Product - Newcastle, United Kingdom
Speechify —Newcastle upon Tyne
- Remote
- Communication skills
Graduate AI Developer
Technology Services Group —Newcastle upon Tyne
- £26,000 a year
- Azure
- Master's degree
- JavaScript
- Annual leave
- Employee assistance programme
Senior Test Engineer – Performance Testing Specialist
Version 1 —Newcastle upon Tyne
- Full-time
- Azure
- DevOps
- Java
- Employee assistance programme
- Employee discount
Quick apply
Graduate AI Developer
TSG —Newcastle upon Tyne
- £0.01 - £26,000.00 a year
- Azure
- Master's degree
- JavaScript
- Annual leave
- Employee assistance programme
Quick apply

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Senior Software Engineer (C#)

tombola -
Sunderland

Quick apply

Job details

Qualifications

C#
.NET
SQL
Mentoring

Full job description

The opportunity

We're looking for a Senior Developer/engineer who's genuinely ready for a senior role — someone who can own the full software lifecycle, shape technical direction, and raise the bar for the team around them.

This isn't a stepping stone. It's a role where your experience and instincts will matter from day one. You'll be working on platform systems that power one of the UK's biggest gaming sites — everything built in-house, with real complexity and real stakes.

You'll be expected to drive quality, influence architecture decisions, and be a technical reference point for your peers. But you'll also be coding — we're not looking for someone who's stepped too far from the work. The best senior developers here do both.

What you'll be doing

Owning the full software delivery lifecycle — from requirements through to production
Designing and delivering robust, scalable solutions in C# across tombola's platform
Driving engineering standards — code quality, testing practices, documentation
Influencing technical direction and contributing to architectural decisions
Mentoring and coaching developers at all levels
Leading code reviews and pair programming sessions
Working closely with stakeholders and non-technical colleagues to shape requirements
Monitoring application health and leading performance investigations
Contributing to agile ceremonies — standups, sprint planning, technical refinements
Ensuring compliance and regulatory considerations are built into delivery

What we're looking for

Proven, senior-level C# skills — we're looking for someone exceptional here
Strong knowledge of the .NET ecosystem — both legacy frameworks and modern .NET
Experience owning work end-to-end, from requirements through to live systems
Deep understanding of testing methodologies — unit, integration, and beyond
Ability to design software to a high technical standard, collaboratively
Experience mentoring others and influencing team direction
Excellent communication across technical and non-technical audiences
Understanding of compliance, regulations, and how they affect software delivery

Nice to haves

SQL and data layer experience
Experience working across both backend and frontend codebases
Involvement in hiring and technical interviewing

Why tombola? ️

At tombola, senior developers have genuine influence. Technology decisions are never handed down from above — they're made by the people closest to the work. You'll have real autonomy, real ownership, and the chance to help shape how we build for years to come.

We're a business that's genuinely driven by technology. Every product, every system, every feature — built in-house. That means your work has real impact, and the team you'll join knows and cares about that.

We've also got great benefits. Head to our careers site to see the full picture.

At tombola we know that our differences make us stronger and that thinking differently is key to long-term success. We work hard to create a culture of inclusivity where everyone is free to be themselves. We welcome applications from all backgrounds.

Quick apply

Refine Your Search

senior software engineer (c#) jobs in seaham, dur

Senior Software Engineer (C#)

Senior Software Engineer, Core Experiences - Newcastle, United Kingdom

Senior Software Engineer

Senior Software Engineer I

Senior Software Engineer (UK Remote)

Senior DevOps Engineer - Newcastle

Senior Node.js Engineer - Group CMS

Embedded Design Engineer - FPGA Academy

Architecture - Senior Solutions Architect - IT1

Head of Engineering - Operator Platform

Security Firmware/FPGA Engineer

Senior C++ Developer

Software Developer - Industrial IoT Platform (GDN)

Senior Java Developer

Lead Agentic Software Developer

Senior Automation Test Engineer

Tech Lead, Android Core Product - Newcastle, United Kingdom

Graduate AI Developer

Senior Test Engineer – Performance Testing Specialist

Graduate AI Developer

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