14 of 14 Permanent Senior Developer Jobs in Essex

365 Senior Developer

Hiring Organisation
Tech 4
Location
Essex, South East, United Kingdom
Employment Type
Permanent
Senior Developer is required by fast growing and highly successful global organisation. This is a new opportunity within their experienced, dynamic IT team. Purpose : The 365 Senior Developer will lead and innovate in the creation, customisation, and optimisation of Microsoft 365 and SharePoint solutions that drive ...

Senior Python Developer (CFML Migration)

Hiring Organisation
EXTREVO
Location
Colchester, Essex, UK
Employment Type
Full-time
Senior Python Developer | UK Remote | £5500 - £6250 per month (£70–75k per annum) We're working with a well-established, fast-growing B2B SaaS company looking for a Senior Python Developer to play a key role in the evolution of their core platform. The business currently … help stabilise the existing system while supporting the migration toward a modern Python stack. This is a long-term engagement. As a Senior Python Developer you will be: Developing and enhancing backend systems in Python Supporting and maintaining the existing CFML codebase Contributing to the architecture and implementation ...

Senior Backend Developer - Fintech & Payment Orchestration(High-Risk Payments, iGaming & Fintech)

Hiring Organisation
Payomatix Technologies
Location
Basildon, Essex, UK
Employment Type
Full-time
revenue potential. Our solutions include intelligent payment routing, customized financial products, Banking as a Service (BaaS), and secure global payouts. Role Description As a Senior Backend Developer for Payomatix Technologies, you will play a critical role in designing and implementing back-end infrastructure for our fintech and payment … gaming, forex, crypto, nutraceuticals, and digital services. We are building a robust, scalable, and compliance-first payment ecosystem — and we are looking for a Senior Developer who can help architect, build, and optimize this infrastructure. Technology Stack (Current & Expected)Backend Node.js (Primary) NestJS/Express.js Python (Microservices/ ...

Senior Microsoft 365 Developer

Hiring Organisation
Tech 4
Location
Essex, South East, United Kingdom
Employment Type
Permanent
Senior Microsoft 365 Developer is required by fast growing and highly successful global organisation. This is a new opportunity within their experienced, dynamic IT team. Purpose : The Senior Microsoft 365 Developer will lead and innovate in the creation, customisation, and optimisation of Microsoft 365 and SharePoint ...

Senior Full Stack Web Developer

Hiring Organisation
Profile 29
Location
Loughton, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Senior Full Stack Web Developer - ONSITE Mon-Fri onsite in Debden IG10 Salary to £100k (multiple roles & levels) + p ension scheme + health Free onsite gym & parking Offices are a 5 mins walk from Debden tube station (Central line) with close road links to M11/… data for recruitment purposes only (details of Profile 29s privacy policy can be found at: profile-29 .com/privacy) Profile 29 recruitment keywords: senior web developer lead web developer London Essex ASP.NET MVC MVC5 C# 6 Design Patterns SOLID Entity Framework SQL Server TDD NUnit Javascript ...

Senior Microsoft 365 Developer

Hiring Organisation
Tech 4
Location
Essex, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior Microsoft 365 Developer is required by fast growing and highly successful global organisation. This is a new opportunity within their experienced, dynamic IT team. Purpose : The Senior Microsoft 365 Developer will lead and innovate in the creation, customisation, and optimisation of Microsoft 365 and SharePoint ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Colchester, Essex, UK
Employment Type
Full-time
product, customer success, marketing, and sales, we're gearing up for hyper‐growth. We're looking for two down‐to‐earth professional, a conscientious Senior Software Developer, to build on what already works and unlock our next wave of innovation. ------------------------------------ Your Impact Raise the bar sensibly. Whether … refining our Azure architecture as CTO or shipping revenue‐critical features as Senior Dev, you'll set high standards without reinventing the wheel. Champion intuitive user experiences. Both roles care deeply about usability, ensuring our platform feels effortless for travel pros and their travellers. Own the craft. Understand ...

Senior Developer - AI Operations (Python/Golang)

Hiring Organisation
Sky
Location
Harlow, Essex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Operations platform that supports large-scale streaming, content delivery, and live services across the Sky and NBCUniversal ecosystems. We are looking for a Senior Engineer who is passionate about comples systems and the advancement toward AI-assisted operations. This Senior Software Engineer position within AI Operations focuses ...

Senior Engineer - Developer Experience (DevEx)

Hiring Organisation
Complexio
Location
Basildon, Essex, UK
Employment Type
Full-time
between Hafnia, in partnership with Marfin Management, C Transport Maritime, Trans Sea Transport and BW Epic Kosan and Símbolo We are looking for a Senior Engineer to establish and lead our new Developer Experience team. This team's mission is to improve engineering productivity, consistency, and satisfaction … packaging, and deployment. Standardise release processes across services. Enable customer-facing packaging and deployments, without owning release decisions. Change Management & Adoption Identify friction in developer workflows through metrics, surveys, and incident data. Drive adoption of DevEx improvements by partnering with engineering teams, running enablement sessions, and monitoring uptake. Establish ...

Senior Full Stack Developer

Hiring Organisation
SmartResilience
Location
Colchester, Essex, UK
Employment Type
Full-time
built on collaboration, innovation, and a shared commitment to making a positive impact on the environment. Position Overview We are looking for a Senior Full Stack Developer with a strong focus on Python, AWS, microservices, and ideally, experience working within React-based environments. This role will be instrumental … culture of accountability, continuous improvement, and shared ownership across the engineering team. Qualifications & Experience Proven experience (3-5 years) as a backend developer with proficiency in Python, AWS services (Lambda, S3, RDS, etc.), and microservices architectures. Familiarity with frontend frameworks, especially React, and how they integrate with backend services. ...

Senior Mobile Developer

Hiring Organisation
Bearable Ltd
Location
Colchester, Essex, UK
Employment Type
Full-time
#1 symptom tracker on iOS and Android and looking for a senior react native developer to help continue our growth The basics React Native developer (5y+ experience) £70,000 base salary Make a genuine difference to the lives of people with health conditions Work with a lovely ...

Senior Full Stack Web Developer

Hiring Organisation
Profile 29
Location
Loughton, Essex, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior Full Stack Web Developer - ONSITE Mon-Fri onsite in Debden IG10 Salary to £100k (multiple roles & levels) + p ension scheme + health Free onsite gym & parking Offices are a 5 mins walk from Debden tube station (Central line) with close road links to M11/ ...

Senior Angular Developer

Hiring Organisation
Ansys
Location
Basildon, Essex, UK
Employment Type
Full-time
At Synopsys, we drive the innovations that shape the way we live and connect. Our technology is central to the Era of Pervasive Intelligence, from self-driving cars to learning machines. We lead in chip ...

Senior C++ Developer

Hiring Organisation
Edison Hill Search - IT Executive Search
Location
Basildon, Essex, UK
Employment Type
Full-time
narrow AI across full-scale industrial systems. And it is quietly moving from academic breakthrough to global security relevance. Now they need a senior C++ engineer who can operate where this technology truly lives — deep in the network stack. The role is permanent and fully remote ...