Senior .Net Developer
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Senior .Net Developer
Location
London
Experience
Senior
Posted
Jul 10, 2026
Apply by
August 9, 2026
Applicants
0
Early applicantEasy applyFull-timeHybrid
Job Description
When you join EDF Trading, you’ll become part of a diverse international team of experts who challenge conventional ideas, test new approaches, and think outside the box.
Energy markets evolve rapidly, so our team needs to remain agile, flexible, and ready to spot opportunities across all the markets we trade in power, gas, LNG, LPG, oil, and environmental products.
EDF Group and our customers all over the world trust that their assets are managed by us in the most effective and efficient manner and are protected through expert risk management. Trading for over 20 years, it’s experience that makes us leaders in the field. Energy is what we do.
Become part of the team and you will be offered a great range of benefits, which include (location dependent) hybrid working, a personal pension plan, private medical and dental insurance, bi-annual health assessments, corporate gym memberships, an electric car lease programme, childcare vouchers, a cycle-to-work scheme, season ticket loans, volunteering opportunities, and much more.
Gender balance and inclusion are very high on the agenda at EDF Trading, so you will become part of an ever-diversifying family of around 750 colleagues based in London, Paris, Singapore, and Houston. Regular social and networking events, both physical and virtual, will ensure that you always feel connected to your colleagues and the business.
Who are we? We are EDF Trading, part of the EDF Group - a world leader in low-carbon, sustainable electricity generation.
Join us, make a difference, and help shape the future of energy.
Job Description:
Department
The Trade Operations IT Delivery Team is one of the teams of EDFT (EDF Trading) IT Delivery function. The team provides comprehensive IT custom development and support for the EDFT Operational teams (Trade Capture/Controls, Scheduling, Nominations, Confirmations and Settlements). In addition to this the team also manages the core front office Trade Capture Processes and Trade Booking systems. The team operates at the core of the ETRM process.
The team has a broad range of complementary skill sets and is dynamic yet highly disciplined in its approach. Working on one of the key interfaces between the business and IT, a good understanding of the commodity trading business context in which the applications are used, as well as solid IT software engineering practices are both of paramount importance.
Position purpose
The team designs, develops and supports (when required) custom-built, multi-asset class applications and tools in a variety of technologies, primarily using a Microsoft toolset.
The team currently has a flat structure with an emphasis on getting the job done, regardless of job title. As such, developers must be prepared to do their own analysis and testing in some situations, however they will be supported by Senior Developers and Business Analysts (BA) in the team. A BA will typically be involved in most cases, especially for larger items.
In addition, developers are expected to contribute to improving EDF Trading development processes, as well as participate in evolving the architectural road map. Emphasis is more on a Senior developer to do this, while developers are encouraged to push in this direction.
The solutions built by the team are expected to last many years and hence robustness and supportability is absolutely key.
The team needs a full stack developer who can enhance existing applications and write new ones with Angular front end (React is considered) and C# .Net backend.
Main Responsibilities:
Development
• Use technology appropriately and flexibly, taking into consideration the company’s strategy and recommendations.
• Adhere to the company’s standards and best practices, including, but not limited to, documentation, testing and peer reviews.
• Ensure maintenance of the development infrastructure required by the above tools. Maintenance of the source code repository, continuous build and deployment facilities.
• Seek opportunities to deliver business value via innovation. That requires being up-to-speed with technology trends and being able to select (and apply) new technologies where appropriate.
Support to the Business
• Engage with the business or business analysts to assist them in defining requirements and forming solutions
• Provide technical advice to the business users by identifying the most appropriate tools/processes for any given task.
Engagement with IT
• Work with the other Senior developers and IT delivery Operation members to contribute to actively progress EDFT IT technology stack and development process such as release procedures and continuous integration.
• Keep abreast of industry technological developments (UI in particular) and identify opportunities to implement new frameworks, technologies, and tools to provide a more efficient and effective service to the Business.
Experience required
• Strong UI development and design, workflows, grids, visualisation etc.
• Minimum 5 years’ experience in design and implementation of bespoke software solutions
• Previous experience in a development role working closely with both IT and business customers
• Experience in the design and construction of software/application solutions
• Understanding of software development patterns and how they are commonly applied in today’s development industry
• Ability to work with business and technical stakeholders to deliver suitable solutions
• Knowledge of application development methodologies to create business focussed software solutions
Technical requirements
The candidates will have experience of leading teams designing and developing solutions utilising most of the following technologies:
• Strong front end web development experience with Angular or React (we use Angular), Typescript, JavaScript, HTML/CSS with an eye for good UX
• Experience in designing and building distributed systems using Microsoft C#, .NET Core and Web API
• Experience working with relational databases such as Oracle or SQL Server
• Experience with deploying applications to Cloud infrastructure such as Azure or AWS
• Any exposure to application containerisation and orchestration tools such as Docker and Kubernetes will be highly beneficial
The candidate will understand the following development techniques:
• Test-driven Development and associated techniques such as Inversion of Control
• Agile development such as Kanban or Scrum
Ideally, the candidate should have knowledge in some of the following technologies:
• Team Foundation Server for continuous integration, automated test execution and source code management
• Messaging Systems (preferably MS Service Bus or ActiveMQ)
• Any BI tools like SSRS, Power BI knowledge will be useful
Person specification
• Excellent interpersonal skills in areas such as teamwork and facilitation
• Experienced in working under pressure with traders and demanding front office users
• Excellent analytical and technical skills
• Good written and verbal communication skills and proven ability to translate business needs into clear and comprehensive solution design requirements.
• Capacity to understand business-processes quickly. The ability to communicate complex subjects at different levels (e.g. to traders, IT developers, senior managers)
• Strong academic background, educated to degree level and / or equivalent professional qualification or relevant business experience
• Hands-on approach, flexible with a positive outlook.
• Attention to detail and strong focus on accuracy of information.
• Able to multitask, switch focus and prioritise own tasks under pressure.
• A passionate and versatile technologist with a strong interest in energy commodity trading
Hours of work: 8.30am – 5.30pm, Monday to Friday. However the candidate will be expected to be flexible in order to meet project deadlines.
Key Responsibilities
- Design, develop, and support custom-built multi-asset class applications and tools.
- Engage with business users and analysts to define requirements and form solutions.
- Provide technical advice to business users on appropriate tools and processes.
- Maintain development infrastructure, source code repositories, and continuous build/deployment facilities.
- Contribute to improving development processes and evolving the architectural roadmap.
- Collaborate with senior developers and IT operations to progress the technology stack and release procedures.
Requirements
- Degree level education or equivalent professional qualification
Skills Required
AngularReactTypeScriptJavaScriptHTMLCSSC#.NET CoreWeb APIOracleSQL ServerAzureAWSTest-driven DevelopmentAgileKanbanScrumInterpersonal skillsTeamworkFacilitationAnalytical skillsCommunication skillsAbility to work under pressureAttention to detailMultitaskingPrioritizationTeam Foundation ServerMS Service BusActiveMQSSRSPower BIDockerKubernetes
Benefits
- Hybrid working
- Personal pension plan
- Private medical insurance
- Private dental insurance
- Bi-annual health assessments
- Corporate gym memberships
- Electric car lease programme
- Childcare vouchers
- Cycle-to-work scheme
- Season ticket loans
- Volunteering opportunities
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