Senior Full Stack Developer jobs in Hatfield

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

You will develop strong relationships with key customer contacts at all levels of the business to gain an understanding of key business drivers that influence purchasing decisions.

Spreadex has been operating for 25 years as a sports and financial spread betting provider. The business expanded to offer fixed odds betting in 2010, casino betting in 2011 and CFD trading in 2017. Spreadex is the only global operator to offer all of these services under one brand. After 25 years of sustained profits, we’re now looking to take the next step and materially grow the business in...

You will be trained in all aspects of: . NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within 6 months.

You will be the face of security group for them. Everything you do is in the context of the product, roadmap, its risk acceptance level, the technology stack, and its architecture. You build a comprehensive understanding of the threat landscape and its potential risks to the business.

You will be responsible for - Provide product and engineering teams with direction and guidance on all security matters. - Engage engineering leadership on security roadmap and oversee security posture of what they build. - Co‐own the security roadmap, discuss, prioritise, and co‐develop plans for remediation for the product areas.

You will have experience building programmes from inception, shaping initiatives that engage and influence stakeholders at all levels. What you'll be doing Design, develop, and deliver a comprehensive leadership and management development portfolio. Create engaging learning experiences across multiple formats, including in-person workshops, virtual sessions, coaching, and digital learning.

You will be responsible for Developing, maintaining, and enhancing insightful, visually engaging BI reports and dashboards. Translating business briefs into actionable insights using internal and external data sources for a holistic view. Driving product performance and stakeholder engagement as part of the PowerBI & Analytics Squad.

You will manage a varied personal tax portfolio, covering routine compliance and ad hoc advisory work.

You should be comfortable working directly with clients, building strong relationships, and collaborating with other trades on-site. Attention to detail, professionalism, and a passion for delivering outstanding results are essential for this role. Key Responsibilities:

This role sits within the central Analytics & Insight Chapter and the PowerBI & Automation Squad, focused on democratizing data across Tesco Mobile. You'll enable stakeholders to access insights easily, understand where to source information, and use it for maximum value. Working in an Agile environment, you'll collaborate closely with stakeholders to understand their needs and deliver solutions...

You will undertake teaching and assessment at undergraduate and postgraduate level in Data Science.

You must have experience of working in Data Science, Physics, Astronomy, Mathematics or closely related areas within Higher Education or in a relevant sector, including demonstrable research activity.

You will be owning our technical roadmap for CRM, working closely with the Head of CRM and wider team to help deliver our transformation across technology, people and processes. Develop our CRM roadmap for technology.

Are you a commercially minded Senior Building Surveyor looking to take the next step in your career my client who are a multi-disciplinary property consultancy are seeking a driven professional to join their expanding Building Surveying team. This is a fantastic opportunity to work with a diverse range of clients and projects, while playing a key role in business growth, and shaping the future...

Vacancy NameSenior Forecasting AnalystVacancy NoVN1143Job TypePermanentLocationHatfieldJob Details Senior Forecasting Analyst Contract type:Permanent Location:Hatfield (Hybrid working - 3 days in the office) Working hours per week:40 hours Level:Senior Application Closing Date:Friday 5th December 2025 About us Our mission is to deliver joy in every shop, through unbeatable choice,...

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact on...

Full Stack Engineer / Developer (C# .Net Core JavaScript AWS) St Albans / WFH to £100k Opportunity to progress your career in a hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the bottom line, earning significant bonuses. What's in it for you: As a Full Stack...

Vacancy NameSenior Ecommerce Executive - MerchandisingVacancy NoVN1124Job TypePermanentLocationHatfieldJob Details Senior Ecommerce Executive - Merchandising Contract type:Permanent Location:Hatfield (Hybrid working - 3 days in the office) Working hours per week:40 hours Level:Associate About us Our mission is to deliver joy in every shop, through unbeatable choice, unrivalled service, and...

Vacancy NameSenior Finance Manager - Customer (12 Month FTC)Vacancy NoVN1095Job TypeFixed TermLocationHatfieldJob Details Senior Finance Manager - Customer (12 Month FTC) Contract type:Fixed Term Contract (12 Months) Location:Hatfield (Hybrid working - 3 days in the office) Working hours per week:40 hours Application Closing Date: Monday 1st December 2025 About us Our mission is to deliver...

Vacancy NameSenior Commercial Performance AnalystVacancy NoVN1142Job TypePermanentLocationHatfieldJob Details Senior Commercial Performance and Forecasting Analyst Contract type:Permanent Location:Hatfield (Hybrid working - 3 days in the office) Working hours per week:40 hours Level:Senior Application Closing Date:Friday 5th December 2025 About us Our mission is to deliver joy in every...