Principal Software Developer Jobs in UK

Location: Hybrid (2 days per week in our Central London office)Employment Type: Full-TimeSalary Range:50 - 70k p.a. dependent on experience.Share options available.The ideal candidate will have strong hands-on experience with modern web frameworks (ReactJS Python AWS) & APIs as well as a working kno...

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry by helping customers deliver more personalised and profitable guest experiences. As a result our digital ordering payment and guest engagement solutions enable brands to do more with less and make every gue...

Career Area:EngineeringJob Description:Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar yourejoining a global team who cares not just about the work we do but also about each other. We are the makers problem solvers and future world builders who are creating stronger more su...

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry by helping customers deliver more personalised and profitable guest experiences. As a result our digital ordering payment and guest engagement solutions enable brands to do more with less and make every gue...

DescriptionIf you are looking for a game-changing career working for one of the worlds leading financial institutions youve come to the right place.As a Principal Software Engineer at JPMorganChase within the Corporate Risk Technology team you you provide expertise and engineering excellence as an i...

Senior Software DeveloperA place to drive changeLocation: Bradford Hybrid 2-3 days in the office.Salary:52275 per annumPermanent 35 hours per week Monday Friday 9am to 5pm.Were on a journey of transformation. Were finding new ways to achieve our purpose of providing families with affordable sustain...

DescriptionJob Title: 1009-314/1009-318 Senior Software Developer x2 Grade: D Hours: 35 (full-time) Vacancy type: x2 Permanent Salary 40161 Location: NatureScot offices home or hybrid Closing date: Midnight 1st March 2026 Interview Date: Week Commencing 16th March 2026The Technology and Digital...

Company OverviewSmarter Grid Solutions (SGS) is a leading provider of Smart Grid products and services with a client list of network and utility companies ranging across UK and North America such as Scottish & Southern Electricity Distribution Western Power Distribution UK Power Networks Avangrid SP...

Linux Systems Software Developer- HP Wolf SecurityDescription -We are looking for a Linux Systems Software Developer to join the HP Wolf Security R&D team in Cambridge UK. We work on endpoint software security products based on hardware assisted virtualization. One of the hypervisors we have develop...

This is an exciting opportunity within technology consultancy which offers you fast-track career development opportunities as well as the opportunity to explore new and cutting-edge technologies. This role supports the full life cycle of software development and includes the opportunity for hands-on...

This is an exciting opportunity within technology consultancy which offers you fast-track career development opportunities as well as the opportunity to explore new and cutting-edge technologies. This role supports the full life cycle of software development and includes the opportunity for hands-on...

Job DescriptionOutside IR35 Backend Software Engineer MOD/Defence Project Farnborough Hybrid 500-550 per dayContract opportunity for a backend software engineer for a programme involving LLM. This is for a defence consultancy and security clearance (SC) would be needed prior to engagement. Due to t...

CK Group are recruiting for a Principal Software Engineer on behalf of an industry leading manufacturer of Scientific Instruments on a permanent basis. This is an office-based position located in High Wycombe. The successful candidate will lead the technical direction for Software Firmware and ideal...

At American Express our culture is built on a 175-year history of innovation shared values and Leadership Behaviors and an unwavering commitment to back our customers communities and colleagues. As part of Team Amex youll experience this powerful backing with comprehensive support for your holistic...

Madrid Berlin London Remote equity Full-time Senior / Principal Level About the Role Our client is a stealth healthcare AI startup backed by a top-tier global venture capital firm founded by experienced entrepreneurs with a strong track record in healthtech and large-scale consumer platforms. Th...

Were hiring a Principal Software Engineer to join a global technology business based in Buckinghamshire. The company designs and builds high-precision laboratory instruments used in science healthcare and environmental testing.Please note: NO SPONSORSHIP IS PROVIDED WITH THIS POSITIONWhat Youll Do a...

Position OverviewThe Data Engineering team is responsible for ingesting vast quantities of data into Squarepoint. Our team works closely with stakeholders as well business as data vendors to deliver quality data for production and research purposes. As a successful Data Development Integrator you wi...

Position OverviewThe Data Engineering team is responsible for ingesting vast quantities of data into Squarepoint. Our team works closely with stakeholders as well business as data vendors to deliver quality data for production and research purposes. As a successful Data Development Integrator you wi...

 Role: Junior IT Software Developer Job Type: Permanent Location: Ellesmere Port 1 day per week working from homeHours: Monday to Friday 9am-5:30pmSalary: Competitive salary We are looking for a Junior IT Software Developer to join our Digital & Innovation team. This role is ideal for someone who wa...

Were looking to recruit an IT Software Developer to join the UK Digital & Innovation team based at our Ellesmere Port office.  The successful individual will be responsible for developing maintaining and supporting software solutions for the business in addition to developing solutions which enhance...