261,969+ Emerging Fullstack Developer Python C React Jobs in UK — Top Companies Hiring June 2026

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Lead Software Engineer C# .Net FinTech

Lead Software Engineer / Developer (C# .Net Desktop Application) Reigate / WFH to £100k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically chal ...

Senior / Principal C&I Engineer (Energy)

Job Description What if you could shape a career as unique as you? At WSP, you can always find opportunities to grow and do what matters to you. Make the most of our global reach to discover new challenges and chances to work with diverse, talented individuals who will help you expand your horizo ...

Senior / Principal C&I Engineer (Energy)

Overview We are seeking a C&I Engineer to join our Low Carbon Team, contributing to the development of designs on a wide range of Energy projects, including energy from waste plants, industrial facilities and carbon capture schemes. The role involves leading a team of electrical, instrumentation ...

Lead UI Engineer Unity/C# (Hybrid)

Sports Interactive Limited. is seeking a Lead Software Engineer - UI to provide technical leadership for UI engineering on Football Manager. The role involves hands-on development, mentoring engineers, and collaboration with multiple teams. Located in East London, this hybrid position offers excellent benefits i ...

Senior C# / .NET Lead – Greenfield FinTech

A leading recruitment agency is seeking a Lead or Senior Software Engineer for a growing fintech company in London. This role involves designing and delivering features using C# and the .NET framework, while collaborating with stakeholders and mentoring junior engineers. The ideal candidate has at least 8 years ...

Remote C Integration Engineer – Backend Modernisation

TXP is seeking an experienced Integration Engineer to join a public sector client's team in Telford. This role requires strong C coding skills for enhancing backend systems while ensuring stability and security. The successful candidate will work collaboratively with engineers and undertake responsibil ...

Embedded Linux Engineer — C, ARM & Networking

A leading firm in communications and data in Cambridge is seeking an Embedded Linux Software Engineer with strong Linux experience and skills in C. You will design and implement software solutions, integrate Linux software with hardware, and collaborate with teams to analyze technical issues. Ideal candidates ar ...

Lead Software Engineer C# / .NET (Hybrid)

Leonardo is seeking experienced Lead Software Engineers to join our team in Luton, UK. You will utilize your C# .NET expertise to drive high-quality software solutions in a collaborative environment. The role emphasizes leadership, technical influence, and a DevSecOps mindset within the latest defence technol ...

C Software Engineer Defence Sector Cambridge)

C Software Engineer - Defence Sector - Cambridge A growing Defence and Security company, based in Cambridge, is currently seeking an experienced C Software Engineer to contribute to the development of breakthrough technologies that will enhance the UK's security against external threats. You w ...

Real Time Embedded C++ Design Engineer

A technology solutions provider in Norwich is seeking a Software Design Engineer to develop embedded software solutions. The ideal candidate has strong real-time C++ knowledge and experience in Linux environments. Responsibilities include software development from concept to commissioning, ensuring compliance, a ...

High Performance C++ Engineer — Hybrid & Ownership

A technology recruitment agency is seeking a C++ Engineer in Milton Keynes to develop high-performance applications. The role involves a mix of development, operational support, and system optimisation within a collaborative small-team environment. Candidates should have at least 3 years of experience, especiall ...

Hybrid Senior Desktop Software Engineer (C#)

Platform Recruitment is seeking a desktop C# engineer to join a fast-growing technology company in the UK. This hands-on role involves developing high-quality software for scientific processes. The successful candidate will work on Windows applications using WPF and collaborate with a talented team to ...

C Embedded Software Engineer Realtime Systems

Embedded Software Engineer (RTOS / Linux) - Guildford / Hybrid We're working with a highly respected technology business. The engineering teams here aren't boxed into one narrow phase of development either. You'll be involved from day one, working alongside hardware, systems, and mission teams to ...

Senior C# Engineer — Platform Reliability (Onsite)

Infused Solutions Ltd is looking for a passionate Senior C# Developer in Birmingham. This full-time onsite role involves solving complex technical issues, enhancing SaaS platform performance, and ensuring engineering excellence. You'll collaborate with engineering teams and take ownership of improving system ...

Senior Software Engineer, Trading Platform, C++

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading ...

Test & Measurement Software Engineer C++/Qt

Miller Druck International Stone Ltd is looking for a Druck Test & Measurement Software Development Engineer in Leicester. You will create software solutions for testing Druck products and work closely with design teams to ensure quality outcomes. Successful candidates should have experience in C++, a ...

Senior P&C Underwriter Existing Business

Senior P&C Underwriter - Existing Business Salary: Circa £55k + Benefits Location: Chelmsford (Hybrid Working Available) We’re looking for an experienced Senior Property & Casualty Underwriter to join our Underwriting Team, focusing on Existing Business ...

Mid Senior C++/Rust Software Engineer

Mid/Senior C++/Rust Software Engineer Location: Cambridgeshire Working Environment: Hybrid (3 days on-site / 2 days WFH) Package: Salary + Travel Allowance + Bonus + 25 days Holiday + Benefits This is an opportunity that offers the best of both worlds, providing the ...

Senior C++ Engineer, Execution Systems (Hybrid)

Saragossa is seeking an engineer to join their team in London to overhaul execution systems using modern technologies. You will not just maintain legacy code; you will build impactful architecture that drives the business. This role offers a collaborative atmosphere where technical decisions are valued ...

Senior C++ Low Latency Trading Architect

NJF Global Holdings Ltd is seeking an experienced C++ engineer to join its high-performance trading team. You will architect and optimize low-latency trading infrastructure to enhance system performance in competitive financial markets. Ideal candidates will have extensive experience in C++ development ...

Backend Software Engineer C# .Net FinTech

Backend Software Engineer / Developer (C# .Net Desktop Application) Reigate / WFH to £90k Do you have expertise with C# desktop development, working on complex scalable systems? You could be progressing your career, in a senior, hands‑on leadership role working on complex and technically ...

Senior Instrumentation & Control Engineer (I&C)

Job Description ALTEN UK is seeking a motivated Senior Instrumentation & Control (I&C) Engineer to join our growing team in Bristol , supporting key projects within the Energy sector. This role offers an opportunity for engineers to develop deep technical expertise across t ...

C++ Production Support Engineer in London

Job Title: C++ Production Support Engineer Location: Hybrid London, UK (3Days/Week) Duration: 6months+ 500GBP/Day Inside IR35 Role Overview We are looking for a hands‑on C++ Production Support Engineer to support and enhance a legacy ...

Program, Planning & Control Analysis (PP&C)

Program, Planning & Control Analysis (PP&C) Job Category: Accounting & Finance Requisition Number: PROGR Full-Time On-site Locations Showing 1 location Farnborough, HA GU147LS, GBR Description Bui ...

Senior C++ Software Engineer – Flexible Mentorship

Microlise in Nottingham seeks a Senior Software Engineer to contribute to various projects in a collaborative environment. Key responsibilities include participating in stand-ups, conducting code reviews, and supporting the product release cycle. Candidates should have a degree in Computer Science, modern C++ ...

Temporary Works Engineer — Sizewell C Project

The Communications Workers of America is offering a Temporary Works Engineer opportunity for the Sizewell C project in Leiston, UK. This role involves supporting the Temporary Works Coordinator and ensuring compliance with all procedures involved in temporary works. Ideal candidates will possess excell ...

Sizewell C Commercial Lead – Infrastructure (Hybrid)

A leading infrastructure consortium is seeking a Commercial Manager in Ipswich to oversee the commercial aspects of the Sizewell C project. The role involves driving efficiency, managing procurement, and delivering commercial updates. Ideal candidates will have a relevant degree and experience in construction la ...

Vitamin C Plant Deputy Shift Lead

dsm-firmenich is seeking a Deputy Shift Leader for its Dalry site in the UK. The role involves leading production efforts for Vitamin C, managing teams, and ensuring compliance with safety and quality standards. Ideal candidates will have significant supervisory experience in industrial settings and a ...

Software Project Lead — C++ Expert (Hybrid)

MBDA UK is seeking candidates for a hands-on role focused on the Command and Control architecture. The successful candidate will work on design and development for future products, with a salary of up to £65,000 based on experience. The position offers dynamic hybrid working typically requiring 4 days ...

Hybrid Backend Engineer (C#/.NET, Azure)

National Grid is seeking a Backend Software Engineer in Warwick. This hybrid role involves designing and managing cloud-based software platforms, working collaboratively with various stakeholders to deliver reliable solutions. The ideal candidate has strong skills in C# and .NET Core and is familiar wi ...

Backend Software Engineer – Golang/C# (Hybrid)

bet365 Group is seeking a full-time Software Developer in Stoke-on-Trent to work within a talented team to deliver high-quality solutions on Linux and Cloud platforms. You will enhance our flagship Sports systems and tackle challenges in building low-latency, scalable solutions while gaining exposure to Golang. ...

EA to 2 C Suite Executives

Position Executive Assistant to two senior executives at board level. Based in Kings Cross, travel sector. Hybrid working 3 days in office. Salary & Benefits Salary up to £65,000 plus bonus Bonus, pension, private medical insurance, income protection, annual salary re ...

C Suite Value Architect & Deployment Lead

A leading data and AI company in Greater London is seeking a Deployment Strategist to connect high-value business issues with technical solutions. As part of the founding team, you will manage the entire non-technical lifecycle of engagements, working closely with C-suite stakeholders. Ideal candidates will have ...

C Level Enterprise Growth Executive DACH

Gartner is seeking a Business Development Executive for the DACH region responsible for acquiring new clients and managing the full sales cycle. The ideal candidate possesses fluency in German and English, has over 5 years of B2B sales experience, and excels at engaging C-level executives. This position offers a ...

SEN Specialist Teacher (SEMH & C&L)

Oxford Spires Academy in Oxford is seeking an experienced SEN Teacher to join our dedicated team. This role involves teaching a small group of learners with special educational needs, specifically in SEMH and C&L across the curriculum. Join a well-established environment focused on delivering high-qual ...

C++ ML & Statistics Engineer Hybrid UK

Siemens Mobility is looking for a Software Engineer to expand their data analytics portfolio through advanced statistical and machine learning techniques. You will be developing algorithms and high-quality C++ code, ensuring robust and scalable solutions in a hybrid work environment in Southampton. The ...

Backend Engineer (C++/AI Cybersecurity) Remote

Client Server is seeking a Backend Software Engineer to join their team in Otley, where you will work on cutting-edge cybersecurity technologies. Offering a competitive salary of up to £80k plus bonuses, this role involves leading projects and mentoring fellow engineers in a friendly, inclusive environment. < ...

Electrical Design Engineer C.£55K ID48864

Overview Do you enjoy turning complex engineering challenges into elegant automation solutions? Are you looking for a role where your expertise in electrical design and controls can directly influence innovative manufacturing projects? If so, this could be the opportunity you've been waiting for. ...

Senior Planner — Sizewell C Civil Works

The Civil Works Alliance (CWA) is seeking a Senior Planner to support the building of Sizewell C, a 3.2-gigawatt power station. In this role, you will assist the Planning Lead with developing the delivery programme while coordinating with various teams to ensure efficient project execution. Ideal candi ...

Commercial HVAC Engineer A/C & Refrigeration

Energy Jobline CVL is seeking an experienced technician to join our team focusing on service and maintenance of air conditioning and commercial refrigeration systems. The ideal candidate will have experience working in the London area and possess an F Gas certification. The role offers a competitive sa ...

Senior Instrumentation & Control Engineer (I&C)

Full-time Contract Type: Permanent Region: South West UK Job Description ALTEN UK is seeking a motivated Senior Instrumentation & Control (I&C) Engineer to join our growing team in Bristol , supporting key projects within the Energy sector. Thi ...

Senior Software Engineer, C/FICCO Data

DRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the world. We value autonomy and the ability to quickly pivot to capture opportunities, so we operate using our own capital and trading ...

Senior C++ Engineer: Lead Design & Delivery

Carbon 60 is seeking a Senior Software Engineer - C++ to drive high-quality software development from initial design through to verified delivery. This senior role requires a professional with extensive C++ experience, a strong grasp of software engineering practices, and an ability to mentor junior engineers ...

Senior Unity Programmer & Tech Lead (C#)

Sega is looking for a Senior Programmer in Farnham to shape the technical direction of sim-management titles. This senior, hands-on leadership role oversees development processes, influences architecture, and improves quality across projects. Ideal candidates will bring expert Unity and C# knowledge, along wi ...

Senior C&I Engineer Functional Design

Overview Role Title: Senior C&I Functional Design Engineer We are Rolls-Royce SMR. The Control & Instrumentation (C&I) capability is responsible for defining, designing and delivering the control, protection and automation architecture that underpins safe and efficient operation of the powe ...

Senior Commercial Leader – Sizewell C Project

The Communications Workers of America is seeking a Senior Commercial Manager to support the Sizewell C project, a landmark 3.2-gigawatt power station. This role will involve significant responsibilities, including providing commercial insights, overseeing governance compliance, and leading stakeholder engagem ...

C++ Software Engineer – Latency Trading Systems

Durlston Partners LLP, located in London, is seeking a C++ Software Engineer to join their dynamic engineering team in a proprietary trading environment. This role involves designing high-performance systems and collaborating with researchers and traders to enhance trading infrastructure. The ideal can ...

VIP Delegate & C‑Suite Outreach Executive

A leading global events company is hiring a VIP Delegate Audience Acquisition Executive to build high-value, senior-level audiences for B2B conferences. The role involves managing relationships with C-level executives, executing targeted outreach plans, and supporting successful event experiences. Candidates sho ...

C Suite Interim Recruitment Leader – London

Festival of Work is seeking a Senior Recruitment Consultant in London to engage with C-suite candidates within the interim market. Your role will focus on building relationships and sourcing top-tier talent for leadership positions. The ideal candidate will have significant experience as a Business Man ...

PA (Major Construction project) (Sizewell C)

PA (Major Construction project) (Sizewell C) Job Category: Construction Contract Partner: Mactech Engineering & Inspection Employing Company: Sizewell C Come and join our expanding team and work on one of the most exciting and largest megaprojects in the UK, while advancin ...

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    Emerging Fullstack Developer Python C React Jobs in United Kingdom Job Search Guide, Trends and Insights