C# Software Engineer Jobs in London

1 to 25 of 46 C# Software Engineer Jobs in London

Senior .Net C# Software Engineer - Global Energy Co

London Area, United Kingdom
Eaglecliff Recruitment
Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk … Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development expertise on Microsoft Azure, including serverless containers (Kubernetes/Docker). • CI/CD pipeline experience, using GitHub Actions or More ❯
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Senior .Net C# Software Engineer - Global Energy Co

City of London, London, United Kingdom
Eaglecliff Recruitment
Exciting opportunity for a Senior .Net C# Software Engineer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk … Requirements – Essentials • 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. • Strong proficiency in back-end development using C# and .NET Core 5/6. • Cloud-native development expertise on Microsoft Azure, including serverless containers (Kubernetes/Docker). • CI/CD pipeline experience, using GitHub Actions or More ❯
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Senior .Net C# Software Engineer - Global Energy Co

London, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior .Net C# Software Engineer - Global Energy Co, London Client: Eaglecliff Recruitment Location: London, United Kingdom Job Category: Other - EU work permit required: Yes Job Views: 2 Posted: 27.06.2025 Expiry Date: 11.08.2025 Job Description: Exciting opportunity for a Senior .Net C# Software Engineer … Requirements – Essentials 8+ years of hands-on software development experience, spanning front-end, back-end, and cloud automation/orchestration. Strong proficiency in back-end development using C# and .NET Core 5/6. CI/CD pipeline experience, using GitHub Actions or Azure DevOps. Database development skills in SQL, NoSQL, and cloud-native data stores. Front More ❯
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(Senior) Software Engineer C# & .NET d/f/m

London, England, United Kingdom
RWE
Senior) Software Engineer C# & .NET d/f/m Join to apply for the (Senior) Software Engineer C# & .NET d/f/m role at RWE (Senior) Software Engineer C# & .NET d/f/m 1 week ago Be among the first … applicants Join to apply for the (Senior) Software Engineer C# & .NET d/f/m role at RWE RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent RWE Supply & Trading GmbH To start as soon as possible, full time/part time, permanent Functional area: IT/… trading and analysis communities as well as support functions and will become an ever increasing asset across the group in the future. You will work apply your expertise in C# and .Net to build robust data services within the Mix system and help us future proof our architecture from a security and technological perspective . This role is perfect More ❯
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Software Engineer (.NET, C#)

London, England, United Kingdom
Alteam
Join to apply for the Software Engineer (.NET, C#) role at alteam Join to apply for the Software Engineer (.NET, C#) role at alteam Get AI-powered advice on this job and more exclusive features. This range is provided by alteam. Your actual pay will be based on your skills … and experience — talk with your recruiter to learn more. Base pay range $65,000.00/yr - $75,000.00/yr Job Title : .NET & C# Backend Developer Location : Remote (US time zone preferred) Type : Full-Time | Contractor or Employee Start Date : ASAP Project : 6-12 montsh for a fast-growing US SaaS scale-up About Us Alteam is more than … opportunities. Our collaboration with various organizations allows us to build teams that are skilled and adept in agile delivery standards. The Role We’re looking for a skilled .NET & C# Backend Developer to join our team and contribute to the ongoing development of our SaaS platform. You will work directly with our Tech Lead to build new backend functionality More ❯
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Backend Software Engineer C# .Net - Trading

London, England, United Kingdom
Hybrid / WFH Options
Client Server
and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a … Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯
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Senior Software Engineer C# .Net - relocate to Newcastle!

London, England, United Kingdom
Client Server
Senior Software Engineer C# .Net - relocate to Newcastle! This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Senior Software Engineer/Developer (C#Software Engineer, you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment, using the latest versions of C# .Net to produce high-quality code. The company has ambitious growth plans, and this is a great opportunity to be involved from the ground up and advance your career. … Group university, backed by A's at A-level. You're a technologist who enjoys collaborating and problem-solving, working on complex, distributed systems. You have expertise with modern C# .Net Core; Python skills would also be beneficial. You have a strong knowledge of modern software engineering best practices and experience across the full software More ❯
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Senior Software Engineer| C# | ASP .NET MVC | Fintech | FX Payments | London | Hybrid | Up to £[...]

London, England, United Kingdom
Hybrid / WFH Options
Virtuetech
Senior Software Engineer| C# | ASP .NET MVC | Fintech | FX Payments | London | Hybrid | Up to £95,000 + Package Senior Software Engineer| C# | ASP .NET MVC | Fintech | FX Payments | London | Hybrid | Up to £95,000 + Package 3 days ago Be among the first 25 applicants Senior Software Engineer | FinTech | C# .NET MVC | SQL | Front End | London, Hybrid | up to £95,000 + Benefits An experienced Senior Software Engineer is needed to join our FinTech Client who is breaking new ground within the Financial Services space, as the world becomes an even more mobile and remote working space. Our client empowers some … they do. They are not just another SAAS provider - they are the driving force behind some of the most successful financial firms in the world. As the Senior Software Engineer, you will be part of a cross-functional team of Developers, working with Designers, Analysts, and Software Testers, in creating, maintaining, and modifying systems More ❯
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Software Engineer .NET C#

Hounslow, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Software Engineer (.NET C#), south west london col-narrow-left Client: TransPerfect Location: south west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 1 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: We’re looking for a … Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. If you’re ready to … in computer science, engineering, or related field 3+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience More ❯
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Software Engineer (.NET C#)

City of London, London, United Kingdom
TransPerfect
We’re looking for a Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. … potential threats Develop automation tests/collaborate with automation engineers to ensure business needs are met, and allow for regression testing Work closely with users to provide personalized software support as needed Stay updated on emerging technologies and industry trends to continuously improve our backend infrastructure Document application support and operational procedures Mentor junior engineers and provide technical … in computer science, engineering, or related field 3+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience More ❯
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Software Engineer (.NET C#)

London Area, United Kingdom
TransPerfect
We’re looking for a Backend Engineer to join our global team to be responsible for the quality, development, and execution of our software products. You will be part of a technology department that is comprised of a successful and multidisciplinary group of professionals located across the globe – Barcelona, New York, London, Manchester, Bucharest and India. … potential threats Develop automation tests/collaborate with automation engineers to ensure business needs are met, and allow for regression testing Work closely with users to provide personalized software support as needed Stay updated on emerging technologies and industry trends to continuously improve our backend infrastructure Document application support and operational procedures Mentor junior engineers and provide technical … in computer science, engineering, or related field 3+ years of experience in software development, with a focus on building scalable and reliable systems Extensive knowledge of DotNet C#, LINQ, MS SQL, Entity Framework and related technologies Capable to use version control software such as GIT Knowledge of SOLID principles Knowledge of clean code practices Experience More ❯
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Backend Software Engineer C# .Net - Trading

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage … Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯
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Backend Software Engineer C# .Net - Trading

City of London, London, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software Engineer role at a successful and scaling Retail FX Brokerage … Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Senior Software Engineer - C# / FinTech

London, South East, England, United Kingdom
Hybrid / WFH Options
Connexa
of exciting projects, including playing a key role in the launch of a brand-new mobile app scheduled for September 2025. The successful candidate will bring deep expertise in C# development, cloud infrastructure, and AI technologies, contributing to the business' ongoing digital evolution. Main Purpose of the Role:Lead backend development and play a key role in the mobile … technical solutions.Manage multiple projects simultaneously within a fast-paced FinTech environment. What They Are Looking For:7+ years of senior-level software development experience.Deep commercial experience with C# development.Strong knowledge of AWS cloud services and infrastructure.Proven experience with CI/CD pipeline development and deployment automation.Experience contributing to mobile app development projects.Keen interest and practical experience in … environment.Opportunity to directly contribute to the delivery of a major FinTech mobile app launch. Apply today to be considered for this fantastic Senior Software Engineer (C#) opportunity. Interviews are taking place shortly! Keywords: Senior Software Engineer, C#, AWS, AI, Artificial Intelligence, CI/CD, Cloud Infrastructure, Mobile App Development, Backend More ❯
Employment Type: Full-Time
Salary: £100,000 - £110,000 per annum
Posted:

C# Software Engineer

London, United Kingdom
Hybrid / WFH Options
Endeavour Recruitment Solutions
Endeavour Recruitment has an exciting opportunity for a skilled C# Software Engineer with WPF and MVC/MVVM experience to join our client. Our client has a site in Bristol and Sutton in Surrey, so either location is fine for a Hybrid worker, and they would also consider fully remote for the right person. Our … client provides award-winning products, solutions, and services powering enterprise software for hundreds of clients across four continents and fourteen countries. They have a world-class component content management platform as well as creating the documentation, online help, visual media, training materials, and other types of content required to compete at the highest level. The role: To develop … improve the development process. Learn new technologies and keep abreast of existing technologies. Work with QA and operations teams to identify and resolve customer issues. Skills: Developing applications with C#/.NET web and back-end functionality using Microsoft Visual Studio. Developing solutions with the Windows Presentation Foundation (WPF) framework for desktop applications. .NET, WPF, PRISM, Unit Testing, Async More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Software Engineer -C#/.Net,React

London, United Kingdom
Poppulo
Principal Software Engineer -C#/.Net,React Introduction: Are you searching for an opportunity to play a key role in driving the dramatic growth of a highly successful software company? At Poppulo, we're working on what's next in communications and workplace technology. As a pioneer in this industry, we understand that … Experience or enthusiasm for AI technologies, especially Large Language Models (LLMs), generative AI, or agentic coding tools, is strongly preferred. Key Responsibilities: Drive the migration and modernization of existing C#/.NET-based integration services to a contemporary web stack (TypeScript, NodeJS, React). Develop, maintain, and enhance scalable integrations and APIs to facilitate seamless third-party data exchange. … in integration and data transformation. Proven ability in migrating legacy systems to modern technology stacks. Practical experience or strong enthusiasm for AI and generative technologies. Strong experience with both C#/.NET and modern web technologies (TypeScript, NodeJS, React). Proficiency in relational databases (MS SQL) and data integration methodologies. Experience developing APIs and working with diverse third-party More ❯
Employment Type: Permanent
Salary: GBP Annual
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Backend Software Engineer C#.Net - Trading

London, England, United Kingdom
Hybrid / WFH Options
Client Server
required: Yes col-narrow-right Job Reference: beedda9b39e0 Job Views: 5 Posted: 29.06.2025 Expiry Date: 13.08.2025 col-wide Job Description: Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a … Software Engineer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a … scratch. Location/WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: You have strong C# .Net Core backend development experience You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally you'll have some experience with Docker/Kubernetes, EKS More ❯
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Software Engineer (C#/.Net Core)

London Area, United Kingdom
Hybrid / WFH Options
Neulinx
Software Engineer (C#/.Net Core) Fintech Location: Central London Hybrid role Salary - £50k - £60k C#, .Net Core, Blazor, Azure Neulinx has partnered with an innovative fintech startup at the forefront of AI-driven financial market analysis. They have an exciting opportunity for a Software Engineer (C#/.Net … a government grant, they are developing a groundbreaking platform that delivers real-time market insights and predictive analytics for financial professionals. As a Software Engineer (C#/.Net Core) are you ready to help develop and revolutionise the backend infrastructure of our client’s AI trading platform? Skills/Experience: • 1.5 years plus experience as … Software Engineer working with C#, .Net Core 7+, SQL. • Excellent written and verbal communication • Experience working with Entity Framework and API’s. • There may be some frontend work so experience working with Blazor is a bonus. • Familiarity with Agile methodologies • Experience of working with Azure or Cloud based technologies is a bonus. Benefits • Competitive Salary More ❯
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Software Engineer (C#/.Net Core)

City of London, London, United Kingdom
Hybrid / WFH Options
Neulinx
Software Engineer (C#/.Net Core) Fintech Location: Central London Hybrid role Salary - £50k - £60k C#, .Net Core, Blazor, Azure Neulinx has partnered with an innovative fintech startup at the forefront of AI-driven financial market analysis. They have an exciting opportunity for a Software Engineer (C#/.Net … a government grant, they are developing a groundbreaking platform that delivers real-time market insights and predictive analytics for financial professionals. As a Software Engineer (C#/.Net Core) are you ready to help develop and revolutionise the backend infrastructure of our client’s AI trading platform? Skills/Experience: • 1.5 years plus experience as … Software Engineer working with C#, .Net Core 7+, SQL. • Excellent written and verbal communication • Experience working with Entity Framework and API’s. • There may be some frontend work so experience working with Blazor is a bonus. • Familiarity with Agile methodologies • Experience of working with Azure or Cloud based technologies is a bonus. Benefits • Competitive Salary More ❯
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Lead Software Engineer C# .Net Azure

London, England, United Kingdom
Hybrid / WFH Options
Free-Work UK
Join to apply for the Lead Software Engineer C# .Net Azure role at Free-Work UK 1 day ago Be among the first 25 applicants Join to apply for the Lead Software Engineer C# .Net Azure role at Free-Work UK This range is provided by Free-Work UK. Your … actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Lead Software Engineer/Developer (C# .Net 8 Azure) London/WFH to £110k Do you have expertise with C# .Net backend development combined with technical leadership skills? You could be progressing your career … hybrid work from home policy with 2-3 days a week in the London office, where you can enjoy a sociable team environment. About You You have expertise with C# .Net backend development You have a strong knowledge of Microsoft Azure, microservices and serverless architectures You have NoSQL database skills, they use CosmosDB so experience with that would be More ❯
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C# Software Engineer Desktop Trading Systems

City of London, London, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
C# Software Engineer/Developer (Windows Desktop Trading Systems) London to £140k Are you a seasoned Software Engineer with strong C# desktop development skills combined with banking/financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management.As a C# … support trading, operations, finance, compliance and investor relations, optimising system performance to ensure efficient real-time data processing, reporting and automation of operational workflows. You'll focus on building C#, WinForms, WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and/or Angular.This is … flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code and a range of facilities. About you: You have strong C# desktop development experience on Windows within a banking or financial services environment You have a strong knowledge of SQL databases You have a good understanding of asset classes e.g. More ❯
Employment Type: Full-Time
Salary: £100,000 - £140,000 per annum
Posted:

Senior Software Engineer - Leading Global FinTech - React/ TypeScript/ Node/ C# - Hybrid in Londo...

London, England, United Kingdom
Hybrid / WFH Options
ZipRecruiter
Job Description I am supporting a leading global FinTech based in London with their search for a Senior Software Engineer . You'll join one of their core engineering squads and work on a key platform used by their global customer base. This role involves working on a greenfield project, providing an opportunity to make significant … decisions and influence the project's direction and future developments. The ideal candidate is a passionate Engineer who can drive the product forward and effectively communicate with various stakeholders within the company. You will need to be a GREAT COMMUNICATOR and collaborate with a team of Engineers. A … strong passion for software development and engineering is essential. Required technical skills include: React.js - 6+ years (solid understanding of fundamentals & up-to-date with latest tools) TypeScript C# .Net Node.js Azure Additional qualities needed: Good Communication skills Stakeholder Management Fintech/Finance experience is a plus The company has an excellent office in Central London, with a More ❯
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C# Software Engineer (Front Office), Hedge Fund, London

London, England, United Kingdom
Undisclosed
C# Software Engineer (Front Office), Hedge Fund, London C# Software Engineer (Front Office), Hedge Fund, London Get AI-powered advice on this job and more exclusive features. C# Engineer | Global Hedge Fund | London [On-Site] We are working on behalf of a highly collaborative hedge fund with … track record of performance and has committed significant resource to further expanding their established front-office engineering team. At this moment, the fund are looking to hire a couple C# engineers (4-7 years’ experience) to support the growing coverage of this highly regarded team and being central to the shaping of a systematic business expansion. In this role … the successful applicant(s) will be supporting the development and maintenance of performative and responsive C# applications that enable the front office business to operate and function. Concomitantly, you will be working closely with key business stakeholders throughout the business across a range of novel and pre-existing projects; strategic and BAU. This will be a full SDLC mandate More ❯
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Snr Software Engineer (C# ASP.NET Angular) - London hybrid

London, England, United Kingdom
Hybrid / WFH Options
ZipRecruiter
Job Description Full Stack C#/Angular Developer - London (3 days a week) - £90-95K + Bonus & Benefits Senior Full Stack Developer with C#, .NET, and Angular is required to join a small, talented, and dynamic team in London (3 days a week onsite) playing a key role in a major tech modernisation project. This well-established … hedge fund, with a 30-year track record of success, is looking for an experienced Full Stack Engineer to help migrate legacy C# applications to Angular and contribute to the development of cutting-edge financial systems. You'll work in a collaborative environment, leveraging your skills in . NET, C#, Angular, SQL Server, and gaining exposure … of the team have been there for 5+ years! Apply now to join this forward-thinking development team and take your Full Stack Development skills to the next level! C#, Angular, Full Stack, London, ASP.NET, SQL Server, RabbitMQ. Financial experience not required. Must have the right to work in the UK. #J-18808-Ljbffr More ❯
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Lead C# Software Engineer, Home Based

London, England, United Kingdom
Hybrid / WFH Options
Blacklistratings
Join to apply for the Lead C# Software Engineer, Home Based role at Blacklist Ratings 3 days ago Be among the first 25 applicants Join to apply for the Lead C# Software Engineer, Home Based role at Blacklist Ratings Get AI-powered advice on this job and more exclusive features. … Lead Software Engineer, Hands-on with team leading/people management skills required, C#, .NET, SQL. Home Based c £75,000 - 80,000 (possible flex) + benefits My client is a software product company that builds an innovative SaaS product for the energy and utilities market. As they continue to grow, they are … Product Owners, Project Managers, and fellow Lead Software Engineers, you will further develop the product. Key Responsibilities for This Role Include: Hands-on coding using your excellent C#/.NET experience (and ideally AWS or Azure). Technically manage/lead a small team of Software Engineers. Responsible for the fortnightly technical output. Collaborate with More ❯
Posted:
C# Software Engineer
London
25th Percentile
£46,250
Median
£52,500
75th Percentile
£58,750