Senior Security Engineer Fullstack Reactjava Jobs in UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Senior Data Engineer

Company Overview We are working with an innovative organisation that recognises the increasing complexity of project delivery. Since 2013, our client has been helping companies of all sizes improve the way projects are delivered. Their mission is to become the number one pro ...

Senior NOC Engineer

Senior NOC Engineer - Network Operations - Bolton - £45,000 + Benefits Location: Bolton (office-based) Salary: £45,000 + benefits Type: Permanent SF Technology is working with a growing managed services organisation to recruit a NOC Team Leader to join their Network Operations team based in Bo ...

Senior Software Engineer

The role requires close collaboration within an agile software environment, applying strong technical expertise and domain knowledge while communicating effectively with a broad range of internal and external stakeholders. Depending on individual strengths and experience, the role may focus on either modern ...

Senior Software Engineer

Location: Brick Lane, London Days in the Office: 2 days per week Job Title: Senior Engineer Length of Contract: 6 months, with potential extension Key Skills: Work embedded in a cross-functional ...

Senior Electrical Engineer

Your new company Are you a Senior Electrical Engineer looking to take the next step in your career? Do you want to work on high-profile projects across commercial, residential, mixed-use, education and mission-critical sectors? We're partnering with a number of respected building service ...

Senior Site Engineer

Senior Site Engineer - Civil Engineering Location: Devon Project Type: Civil / Infrastructure Works Employment Type: Permanent Salary: £45,000 Our client is seeking an enthu ...

Senior Commissioning Engineer

Senior Commissioning Engineers (4 positions) Location : Wales & Scotland (Central belt & North Scotland) , United Kingdom Rates : £700 - £900 per day , outside IR35 <strong ...

Senior Software Engineer

Senior Software Engineer Reference: BH-377p Working Hours: Full-time Job Type: Permanent Salary: Competitive Location: Remote or Hybrid - London office About The Client: Our client is a rapidly growing Infrastructure-as-a-Service (Iaa ...

Senior Mobile Engineer

Senior Mobile Engineer (Flutter) North London (Hybrid- 4 days onsite) £100,000-£135,000 + Generous Equity + Strong Package Series A | High-Growth Tech We're partnered with one of Europe's fastest-scaling technology start-ups, fresh off a major Series A raise and b ...

Senior Systems Engineer

Halian is proud to partner with a leading medical device innovator based in London in their search for a Senior Systems Engineer. This is a pivotal role within the growing R&D team, driving both new product development and sustaining engineering for life-supporting technologies. As a Seni ...

Senior Site Engineer

Senior Site Engineer in Edinburgh Your new company We are currently working with a leading construction firm renowned for delivering high-quality projects across the UK on a £75 million student accommodation project in Edinburgh. It features 618 rooms with both steel and reinforced concrete (RC) frames. Our comm ...

Senior Data Engineer

About Codat Codat is an advisory intelligence solution purpose-built for modern commercial banking. Through rich, specialized data, forward-looking insights, and integrated workflows, Codat empowers banking teams to deepen their relationships, grow their revenue, and simplify their day-to-d ...

Senior Systems Engineer

Veeam, the #1 global market leader in data resilience, believes businesses should control all their data whenever and wherever they need it. Veeam provides data resilience through data backup, data recovery, data portability, data security, and data intelligence. Based in Seattle, Veeam protects over 550,0 ...

Senior Data Engineer

Senior Data Engineer - About Legend At Legend, we’re building next-level player experiences. With 20+ years of proven success we’re the world’s leading Sports and Gaming marketing company. Our people are our edge. 600+ sharp, ambitious Legends across 22+ countries who move fast, learn quickly and wi ...

Senior Solutions Engineer

Senior Solutions Engineer – United Kingdom Location: United Kingdom (Hybrid/Remote) Shape the Future of Global Supply Chains At Project44, we’re redefining how the world moves goods. As the global leader in supply chain visibility, we power over 1 billion ...

Senior Electrical Engineer

Matchtech are excited to be working alongside Clancy Group on their SSE North framework in Scotland, and as a result we have a live opportunity for an experienced Senior Electrical Design Engineer. Key skills required for this role Senior Electrical Engineer - Stirling, Scotland Import ...

Senior Site Engineer

Position: Senior Site Engineer Location: Sizewell Salary: From £50,000 to £70,000 Employment Type: Permanent The Senior Site Engineer position is required in Ipswich for our client operating within the civil engineering industry.Apply promptly! A high volume of applicants is expected for the role as detailed ...

Senior Electrical Engineer

Senior Protection & Control Engineer Location: Remote (UK-wide) Salary: Up to £75,000 (dependent on experience) Employment Type: Permanent Turner Lovell are working with a leading UK utility infrastructure contractor that is setting up an in-house Protection & Control design team.Find out exactly what skills ...

Senior Maintenance Engineer

Job Title:Senior Maintenance Engineer Term: Permanent, Full-Time Working Hours: Typical: 08:0016:00 or 09:0017:00 (flexible, earlier start preferred) Friday Finish: 1pm Total: 37.5 hours per week Location: Diss Salary: Up to £50,000 Were delighted to be supporting a global leader in packaging manufacturing, as t ...

Senior Project Engineer

Senior Project Engineer (Airfield Systems) Circa £64,000 5% Welcome Bonus £4,750 Flex Allowance up to 20% Bonus Benefits Great journeys happen at London Gatwick.Where will your career take you? The buzz, the energy, the sheer magic of travel You can feel it in the air all around you.Scroll down for a complet ...

Senior Mechanical Engineer

Job Title: Senior MEP Engineer / Senior MEP Manager – Data Centres Location: Flexible / Project-based (depending on portfolio) If you are considering sending an application, make sure to hit the apply button below after read ...

Senior Software Engineer

Software Engineer — Data Systems Are you ready to apply Make sure you understand all the responsibilities and tasks associated with this role before proceeding.Who we are We’re Metomic; a data security platform helping enterprises und ...

Senior FPGA Engineer

Our Edinburgh based client is dedicated to providing cutting-edge network monitoring solutions. All potential applicants are encouraged to scroll through and read the complete job description before applying.About the Role Reporting to the R&D Project ...

Senior Software Engineer

ieso are on a mission to build and deliver clinically safe, evidence-driven AI that expands access to trusted mental health support and improves outcomes at scale. Our vision is to reshape the future of mental healthcare so people everywhere can feel better and live fuller lives and we need exceptional engine ...

Senior Software Engineer

About Plessey We’re building the hardware foundation for next-era computing. Plessey is a world-leading technology company driving the next generation of photonic devices and systems. With over 70 years of innovation, we combine research, materials science, process engineering, ...

Senior Software Engineer

Full Stack Product Engineer - London (will need to relocate if not in London) Remember to check your CV before applying Also, ensure you read through all the requirements related to this role.We’re looking for a Full Stack Product Engineer to help build and scale a high ...

Senior Network Engineer

Senior Network Engineer – Advanced Comms & Distributed Systems Please make sure you read the following details carefully before making any applications.The Company Join a cutting-edge engineering organisation developing adv ...

Senior Fire Engineer

A leading fire engineering consultancy is seeking an experienced Senior Fire Engineer to join its growing team. This role offers strong technical variety, career progression, and the opportunity to work on high-profile projects across residential, commercial, education, and complex building ...

Senior Software Engineer

Senior Software Engineer (Node.js & React Native) Permanent role Central London (4 days in-office, 1 day WFH) Senior level (5 years) Full-time Up to 95k Join a fast-growing fintech powering co-branded card programmes for leading travel and hospitality brands like Marriott International and Hilton. The platf ...

Senior Cloud Engineer

Job Title: Senior Cloud Engineer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35) Deloitte Working with the Deloitte Associate (Contractor) Programme ...

Senior Software Engineer

Role: Lead Python Engineer (Hands-on Team Lead) Location: London – Hybrid (3 days office / 2 days WFH) Salary: Up to 130k base Industry: Fintech Platform We’re working with a profitable, high-growth UK fintech building a platform used by wealth and advisory firms to manage investment accounts, portfolios and ...

Senior Data Engineer

Data Engineer Fully Remote UK Based £60,000 to £70,000 plus bonus of up to 25% This is an exciting opportunity to join a high‑growth data organisation where you will help shape the internal tooling and Python libraries that power their data products. If you enjoy building scalable systems, collaborating with dat ...

Senior Electrical Engineer

Senior Electrical Engineer We are seeking a Senior Electrical Engineer to join a major Data Centre Project in London. This is an opportunity to play a key role on a high-profile site, leading electrical delivery and helping drive project excellence from start to completion. Your Team You'll join a hardworking, a ...

Senior Software Engineer

A Fintech organisation based in London are on the lookout for a Senior Software Engineer in order to contribute to the development of the next iteration of their platform. They are seeking someone with keen proficiency in Python and Django primarily in the London area who want to join a globally expanding, highl ...

Senior Software Engineer

Senior Golang / Go Engineer – Contract – £550 per day (Outside IR35) – London A well known UK tech business is looking for a Senior Golang / Go Engineer to join on an initial 2 month contract, with a strong chance of extension. Key details • Up to £550 per day (Outside IR35) • Initial 2 month contract • 80% back ...

Senior Geotechnical Engineer

Senior Geotechnical Engineer London (3 days/week onsite) 4-Month Contract | Inside IR35 We are seeking a Senior Geotechnical Engineer to support offshore projects with a focus on site characterisation and jack-up installation activities. Key Responsibilities: Lead offshore site characterisation, including interp ...

Senior Mechanical Engineer

An established, international MEP design consultancy is seeking a Senior Mechanical Engineer to join their growing London team. With a strong global footprint and a reputation for delivering high-quality, technically complex projects, this organisation operates across multiple sectors, with a particular focus on ...

Senior Software Engineer

If you’re looking for a comfortable 9 to 5, something well established, structured, and where you’re told exactly what to do, this won't be for you. But if you want to build something extraordinary from the ground up and have a direct hand in shaping a company that’s scaling at breathtaking speed, keep reading. ...

Senior Structural Engineer

Step Into a Role That Really Stretches You We’re looking for a Senior Structural Engineer who loves tackling complex problems, delivering exceptional design work, and helping others grow. If you want more responsibility, more influence, and more interesting projects - this is it. What You’ll Do Lead structural d ...

Senior Completions Engineer

Job Title: Senior Completions Engineer Job Location: Sunbury-on-Thames OR Aberdeen (Hybrid) Contract Length: 12 Months Industry: Oil and Energy, Wells Working Hours: 8 per day/40 per week Role Overview: Join bp’s wells organization and help shape the future of well reliability and field development. In this role ...

Senior Structural Engineer

We’re hiring a Senior Structural Engineer for our London office, offering you the chance to be part of something equally challenging and rewarding. Specialising in the Energy, Transport, Water and Built Environment sectors the Buildings Team is growing rapidly across the UK. Main Duties Working in collaboration ...

Senior Windows Engineer

Head of Windows Engineering / London or New York Fed up with legacy technical debt? An active directory that is like the back of the office fridge (stuff in there from years ago, nobody knows who it belongs to or is brave enough to chuck away). A desire to build rather than maintain Or maybe you’ve sorted out al ...

Senior Software Engineer

Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform Up to £110,000 per annum plus bonus plus stock Central London office ️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems Are you a Senior Software Engineer with extensive knowledge of building distributed system ...

Senior Software Engineer

Full Stack Developer – Contract (Inside IR35) Up to £600 per day Inside IR35 London – Hybrid (4 days in office, 1 day WFH) 6–12 month engagement, with intention to make perm offer A leading investment management firm is seeking a Full Stack Developer to join their lean, high‑impact technology team. In this role, ...

Senior Software Engineer

Staff Product Engineer - £150,000 Equity Location: Shoreditch, London About the Opportunity A high-growth AI-first law firm is looking to transform the UK conveyancing market, starting with the legal process behind every property transaction. Currently, conveyancing is slow, opaque and unreliable, with one in t ...

Senior Geotechnical Engineer

External Role Title: Senior Geotechnical Engineer Location: Bristol This role is offered by Crouch Waterfall, a subsidiary of Vulcain Engineering Group. As part of the Vulcain family, Crouch Waterfall brings decades of specialist experience in Civil, Structural, and Geotechnical Engineering to a wide range of UK ...

Senior Hardware Engineer

This is a truly unique opportunity to join a small, highly specialised tech business, working on genuinely cutting-edge hardware used by global technology companies, yet located in one of the most beautiful locations on earth. Their products sit right at the heart of modern computing infrastructure, and demand i ...

Senior Data Engineer

Senior Data Engineer | High-Growth Data Platform | Hybrid Build the foundational data mesh architecture for a premier global intelligence firm. The Opportunity This is a high-impact individual contributor role at the heart of a leading intelligence platform’s data engineering capability. You will join a core tea ...

Senior Electronic Engineer

About the Company Electronic circuit boards are at the core of current and future inventions - space travel, medical robotics, autonomous transportation, augmented reality, bio-engineering. Yet today designing an electronic circuit board is an extremely manual, long and tedious process. At Circuit Mind we believ ...

Senior Mechanical Engineer

Job Title: Senior MEP Engineer / Senior MEP Manager – Data Centres Location: Flexible / Project-based (depending on portfolio) Reports To: Project Director / Technical Director Role Overview: We are seeking an experienced Senior MEP professional to lead the mechanical, electrical, and public health (MEP) deliver ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Senior Security Engineer Fullstack Reactjava Jobs in United Kingdom Job Search Guide, Trends and Insights