51 to 75 of 76 C# Software Engineer Jobs

Business Experience Software Engineer | Python/C#

Location
Greater London, England, United Kingdom
seeking a Software Engineer for the Unified Platform - Business Experience team … London. You will contribute to legacy code, take ownership of small projects and collaborate with business users to improve tooling. Fluency in Python or C#, strong communication, and 6+ years in software engineering are required; Bachelor's in CS or equivalent. The role offers exposure to proprietary ...

Sr. Software Engineer (Python, C#)

Location
Belfast City District, Northern Ireland, United Kingdom
best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact. The Role We are looking for a Senior Software Engineer to join the XFI (Cross Functional Integrations) team within the Cloud Integration Group. The XFI team oversees the integration of Post … What You Bring to the Team The XFI team’s tech stack includes: Python 3.10 or Other Object‐Oriented Programming languages are a bonus C# is applicable to one of our key services AWS Services such as SQS, SNS ECS, ECR, Lambda functions High volume NoSQL and SQL databases ...

Software Engineer - C/C++/C#/Python

Location
City of Edinburgh, Scotland, United Kingdom
Defense customers, with over 20 years of profitable growth. Operating globally, we collaborate closely with customers to design and implement custom hardware/software systems - primarily in radar, satellite, and mission‐critical domains. From initial inquiry to final delivery, our multi-disciplinary team engages across engineering, sales … experience of 5+ years in a relevant field Highly proficient in at least one of (and familiar with at least two of) C, C++, C#, Python programming languages Awareness and/or experience of embedded or real‐time software Experience of hardware-software integration, test ...

C# .NET Software Engineer - eTrading Platform

Location
Greater London, England, United Kingdom
Source Group International is partnering with a Tier 1 Global Investment Bank to hire a Software Engineer for the eTrading Team. You will help build quality software so Traders can work … efficiently as possible and collaborate closely with the trade floor. Key projects include integration of external applications and enhancing the eTrading platform using C# and .NET, with Azure services such as Service Bus, Cosmos DB and App Service. #J-18808-Ljbffr ...

Full-Stack Software Engineer – TypeScript & C# (Hybrid London)

Location
Greater London, England, United Kingdom
Moonpig is hiring a Software Engineer in London with hybrid work arrangements (2 days per week in the office). You will develop and maintain full-stack applications … powering our gift experiences, including Hotels, Gourmet experiences, and Days Out, ensuring a seamless booking journey for customers. You'll work with TypeScript, React, C#, .NET Core, and Azure across the full SDLC, collaborating with product managers, designers, engineers, and other stakeholders to deliver high-quality solutions #J ...

Senior Software Engineer - Factory Flow (C#, Python, React)

Location
Woking, England, United Kingdom
McLaren Racing Ltd. is seeking an experienced Software Engineer to design, build, and support the next generation of software for engineering and manufacturing operations. You will work within the Factory Flow team, modernising how parts move from design to manufacturing, supply chain, inventory … race operations, with a focus on scalable back-end services and React UIs. You’ll contribute across the full software development lifecycle, collaborate with engineers, product teams and business #J-18808-Ljbffr ...

Senior Software Engineer - Python/C# for Cloud Integration

Location
Belfast City District, Northern Ireland, United Kingdom
Proofpoint is seeking a Senior Software Engineer to join the XFI team within the Cloud Integration Group. You’ll help integrate threat defence software with major email platforms, scale services, and advance with Microsoft and Google integrations. You’ll work in a fast-paced ...

Senior Software Engineer, Factory Flow (Python/C#/React)

Location
Woking, England, United Kingdom
McLaren Racing is seeking a Software Engineer to help design, build and support software that underpins our engineering and manufacturing operations. Working in the Factory Flow team, you’ll modernise … parts move from design through manufacturing, supply chain and race operations. You’ll develop backend services, APIs and data-driven apps using Python, C# and React, collaborating with engineers, product teams and business stakeholders in a fast-paced Formula 1 environment at the McLaren #J-18808-Ljbffr ...

Senior Software Engineer - Fintech (.NET/C#, Azure)

Location
Hereford, England, United Kingdom
allpay Limited is seeking a Senior Software Engineer to join our Research and Development team on a fixed-term basis. You will contribute to requirements gathering, design software solutions, and participate in Agile ceremonies to ensure timely delivery. The role emphasizes collaboration, mentoring ...

Software Engineer - Business Experience Platform (Python/C#)

Location
Greater London, England, United Kingdom
London is seeking a Software Engineer for the Unified Platform - Business Experience team. You will maintain legacy code and contribute to green-field … development to empower business users with DRW technology. The role requires 6+ years of software engineering, fluency in Python and/or C#, and a Bachelor's degree in CS or SE. You will gather requirements, lead projects, and work with AI coding assistants to accelerate delivery. ...

Senior Software Engineer – Payments Platform (C#/.NET)

Location
Greater London, England, United Kingdom
Ripple Inc. in London is hiring for a software engineer to join the Treasury Payments team. You will design and deliver full-stack features across .NET 8 services and React front ends, modernising a large legacy codebase with automated tests and observability. Daily collaboration with product ...

Senior Software Engineer C#

Location
St. Neots, England, United Kingdom
Your role: Are you a C# expert ready to move beyond coding and truly shape the future of real‐time software products? We’re looking for an experienced technical leader to drive innovation, mentor developers, and architect the next generation of our high‐performance systems. … . Drive the full lifecycle of major projects from feature design with key stakeholders to final implementation and deployment. Leverage your deep expertise in C# to tackle complex, performance‐critical tasks like data acquisition and real‐time data decoding. Benefit from dedicated “blue sky” time for professional development, technology ...

Senior Software Engineer (C# / .NET, Azure)

Location
City Of London, England, United Kingdom
were responsible for your code from design right through to production monitoring is a big plus. Core skills and experience 5+ years of exceptional C# (.NET) engineering Modern .NET: .NET 8 and C# 12 as a minimum; .NET 10 (LTS) and C# 14 preferred Databases, including Azure … have Observability with OpenTelemetry, Azure Monitor and Application Insights .NET Aspire for building and running distributed .NET applications Experience with .NET 11 and C# 15 Threat modelling experience Knowledge of, or experience working on, globally distributed systems Financial services experience What we offer Remote or hybrid working, with ...

Remote Software Engineer II – POS Integrations (C#/.NET)

Location
Belfast City District, Northern Ireland, United Kingdom
hiring a Software Engineer II for the In-Store team, focused on POS integrations and reliability within the Olo ecosystem. This fully remote … role supports a Belfast NI hub and an experienced squad of 8 engineers led by an Engineering Manager. You will work with .NET/C#, Kafka, AWS, Kubernetes/EKS and CI/CD tools, contributing to scalable integrations and robust production systems. Join us to build fluid, reliable ...

Senior Software Engineer & Tech Lead - Fullstack (C#/TS)

Location
Greater London, England, United Kingdom
Ocean Infinity is seeking a hands-on Senior Software engineer with a Tech Lead hat for a fullstack product team. You will anchor … team, owning how work gets built and shipped while remaining a strong individual contributor. The role is backend-first with a stack of C#/.NET, React, and TypeScript (Next.js, tRPC, Node, Postgres). You will guide technical direction, ensure quality, and mentor others in a fast-moving maritime ...

Senior Software Engineer C# .NET

Hiring Organisation
MASS Consultants
Location
Corsham, Wiltshire, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
Senior Software Developer - On-site, Corsham (SN13) DOE 25 days annual leave (in addition to Bank Holidays) Buy or sell up to 5 days annual leave Continuous Professional development support Two pension schemes to choose from Life Assurance scheme up to 4 x salary Private Medical & Dental Insurance ...

Software Engineer C# .NET

Hiring Organisation
APRIL QUEST LIMITED
Location
Abingdon, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
Established engineering business developing specialist electronic products and safety-critical technology, backed by a larger international group. Portfolio of 50+ software products, with investment in new product development, cloud technology and software modernisation. Small UK software team supported by international engineers, offering significant autonomy ...

Software Engineer - C#, .NET, REST, Azure | Hybrid UK

Location
Manchester, England, United Kingdom
building and maintaining payment systems used by billions of pounds each year. You will join one of our development teams in Manchester, delivering software in an Agile … environment to enable robust features and secure platforms. You will work with product teams to design and implement scalable backend and web solutions using C#, ASP.NET, RESTful APIs, and cloud technologies, ensuring performance, security, and extensibility. #J-18808-Ljbffr ...

Backend Software Engineer — C#/.NET Core, Azure & Agile

Location
Greater London, England, United Kingdom
Greater London, UK. The role involves designing and maintaining scalable systems, implementing quality solutions, and participating in Agile practices. Key qualifications include expertise in C# and .NET Core, proficiency in Agile methodologies, and a relevant degree or certification. The company offers extensive learning programs, extensive employee benefits including free ...

Numerical PDE/ODE Software Engineer (C#) – Fluid Dynamics

Location
Cambridge, England, United Kingdom
collaborates closely with mathematicians and programmers in a formal, ambitious environment, with full-time office work. A PhD in a STEM subject and strong C# programming are preferred, and candidates will contribute to a major #J-18808-Ljbffr ...

Senior Software Engineer (.NET/C#)

Location
Greater London, England, United Kingdom
clients from small businesses to the Fortune 500. Every payment is value moving the way Ripple believes it should. You’ll work with C#/.NET 8, Azure, SQL Server, React and TypeScript, and help modernise a large .NET Framework codebase. AI tools are part of how we work … through code review and pairing, and help us hire WHAT YOU'LL BRING: 4–8 years of professional software development experience Strong C#/.NET backend skills, including in large, established codebases Experience with React, TypeScript and SQL Daily, hands-on use of AI coding assistants ...

Principal Cloud Software Engineer – Hybrid, C#/.NET

Location
Cambridge, England, United Kingdom
Selection is seeking a principal software developer to guide and contribute to cloud software development with AWS or Azure. The role centers on a data-oriented platform shaping global sustainability and delivering impactful applications. You will translate architecture decisions into robust designs, collaborating with stakeholders ...

C# Full-Stack Software Engineer

Location
St Albans, England, United Kingdom
Responsibilities The engineer will develop and maintain microservices and web-based front-end applications for Spreadex's sports and financial betting platform. Work will be split evenly between front-end and back-end development, with significant autonomy across the full development lifecycle and influence over key technical decisions. ...

Senior Medical‐Device Software Engineer (Rust/C#)

Location
Westhill, Scotland, United Kingdom
Aberdeen, Scotland is seeking a Senior Software Developer to join the in-house engineering team. The contract is initial 6 months with hybrid work and potential remote arrangements. You will develop a desktop application for use with … medical device, emphasizing safety-critical software experience. The role requires senior hands-on developer capabilities across the stack, strong Rust and C# skills, and collaboration with the team on medical device projects. Immediate start is desired. #J-18808-Ljbffr ...

Senior Software Engineer - Medical Device (Rust/C#) Hybrid

Location
Aberdeen City, Scotland, United Kingdom
seeking a Senior Software Developer to join an in-house engineering team on a 6-month contract. The role focuses on developing a desktop application to be used alongside a medical device, requiring experience in medical device software or safety-critical environments. The position offers hybrid … arrangements and ASAP start. The candidate will work across the stack in a hands-on capacity, collaborating with the team to deliver robust software solutions and #J-18808-Ljbffr ...