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Software Engineer C#

Overview Software Engineer (C#) – Recruiting on behalf of a high-growth global fintech. This role involves designing and developing backend services and portals for a global payment platform. The opportunity offers autonomy, innovation, and real-world impact within a collaborative e ...

Software Engineer (Platform)

Scale GP (Scale Generative AI Platform) is an enterprise-grade Generative AI platform that provides APIs for knowledge retrieval, inference, evaluation, and more. We are looking for a strong engineer to join our team and help us build and scale our product in a fast-paced environment. The ideal candidate w ...

Software Engineer Compilers

The Software (CE-SW) group is responsible for developing and improving the software ecosystem around Arm's next generation architectures and systems. This means working with processors and other hardware technology not yet available to the public. You will join a team of Software Engineers who share a pass ...

Graduate Software Engineer

Graduate Software Engineer – Liverpool Role : Graduate Software Engineer Location : Liverpool, UK Starting salary : £26,300 Application requirements Achieved a 2:1 undergraduate degree in any subject. Right to work in the UK u ...

Senior Software Engineer

## Senior Software EngineerApplylocations: Londontime type: Full timeposted on: Posted Todaytime left to apply: End Date: July 11, 2026 (29 days left to apply)job requisition id: R **Are you passionate about building secure, scalable software and cloud infrastructure that supports critical services in ...

Senior Software Engineer

Senior Software Engineer - C++ We're looking for a talented Senior Software Engineer to take technical ownership of software designs from early specification through to fully verified delivery. This is a senior, hands‑on role for someone who enjoys building high‑quality software, mentoring others ...

Senior Software Engineer

What are the opportunities for a Senior Software Engineer at Gearset? Our small engineering teams start from a few core principles but evolve over time. They all work a little bit differently, depending on their preferences and the problem they're working on. You’ll impact what we build, ...

Senior Software Engineer

Oritain is the global leader in product origin verification, with locations in Auckland, Dunedin, London, Singapore and Washington D.C. We sit at the intersection of forensic science and supply chain technology, harnessing science and data to verify the genuine origin of materials across the world's most c ...

Senior Software Engineer

London (Hybrid – 1 day per week in office) Certus Recruitment is partnering with an innovative fintech business operating at the intersection of financial services, digital assets, and modern software engineering. As they continue to build a highly regulated next‑generation payments platform, they ...

Senior Software Engineer

Senior Software Engineer Surrey, On‑Site Working £60,000-£70,000 We are currently partnering with a specialist engineering organisation operating within the Defence sector who are looking for a Senior Software Engineer to join their established engineering team. The company delive ...

Senior Software Engineer

Requirements Strong experience building backend systems using C# and Node.JS ,Experience integrating with ERP systems, especially NetSuite ,Experience working with SQL (MSSQL) and NoSQL databases (MongoDB, Redis) ,Experience building and consuming APIs (REST and/or ...

Senior Software Engineer

Job Title Senior Software Engineer Salary £63,152 – £78,940 Location Manchester Hours & Working Pattern Full‑time. Hybrid: at least two days per week, or 40% of time, at our Manchester site. What you’ll be doing Transform the core ban ...

Senior Software Engineer

Works With: Engineering Leadership, Product Managers, Designers, Software Engineers Hours: 37.5 pw (9.30-6pm Monday to Friday, 1 hour lunch) Term: Permanent Location: Hybrid - London office based in Oval (2 days / week) About us < ...

Senior Software Engineer

Senior Software Engineer - UI / GUI (C# WPF / XAML) Portsmouth, Hampshire | Up to £85,000 + Benefits | Onsite | 4 or 5 day working week Some projects are maintenance. Some are migrations. And then something genuinely rare comes along - a blank canvas, a serious engineering challenge ...

Senior Software Engineer

Location: Birmingham, Leeds, London, Manchester, Reading, Lanarkshire Virgin Media O2 is transforming how it uses data to run the business. Across pricing, network operations, customer care, and personalisation, we are building the products and services that help the company make better decisions, ...

Senior Software Engineer

Senior Software Engineer Location: Stockport, UK Business: Novanta Light Engines Responsibilities Lead the design of software system architectures and document them for use by the wider team. Develop desktop and device applications using C#. Identify o ...

Hardware Software Engineer

Hardware engineer - £400 per day - Outside IR35 - 6 Months You'll be working on a video streaming system, so any experience with this would be useful. Tech: C, C++, Linux and any experience with microcontrollers. Location: Mainly remote but odd visits to Manchester may be ...

Software Engineer (Compilers)

Overview At Universal Quantum , we aim to make the world a better place by engineering the future of computing. Together, we are creating truly impactful quantum computers. Our machines will be capable of solving problems until now considered impossible, with applications ranging across a b ...

Software Application Engineer

Overview An established technology company based in Colchester is looking for an experienced Applications Developer to support a range of embedded, GUI-driven software projects. Working within a multidisciplinary engineering team, you will focus on delivering high-quality application featur ...

Software Engineer (C++)

At CGI, we’re redefining what’s possible in the Space, Defence, and Intelligence sector delivering secure, mission‑critical systems that protect the UK and drive national capability. As a C++ Software Engineer, you’ll help design and implement next‑generation solutions that enable operational excell ...

Staff Software Engineer

Harness is a high-growth company that is disrupting the software delivery market. Our mission is to enable the 30 million software developers in the world to deliver code to their users reliably, efficiently, securely and quickly, increasing customers’ pace of innovation while improving the developer exper ...

Ardupilot Software Engineer

Ardupilot Software Engineer Vacancy Reference: CLA- 415 Position: Full-time Location: Salisbury, Wiltshire, UK Salary: £50,000 - £60,000 At Callen-Lenz, we are expanding the limits of what is possible. We specialise in crewed and uncrewed aircraft operations and te ...

Software Engineer (Linux)

Proton Drive Desktop Team Proton Drive is our secure, private cloud storage and collaborative editing suite, with clients on Windows, Mac, iOS, Android, and Web. One platform is missing: Linux. You will build it from scratch. This is a greenfield project with high visibility inside Proton and acr ...

Software Engineer, Desktop

About The Role A1 is building a proactive AI chat app for everyday users to bring intelligence to conversations, errands, organising and workflows. Unlike traditional chat-based applications, our product focuses on achieving high reliability for long-running workflows, persistent context, and rea ...

Principal Software Engineer

Principal Engineer About the role As a Principal Engineer, you will help shape the technical direction of platforms used by the global research community. You will work across teams to modernise systems, improve reliability, and guide the responsible use of AI where it delivers clear va ...

Software Engineer Systems

Spiral is building the data infrastructure that AI actually needs. We enable teams developing models in complex domains, such as weather & climate, financial, time-series, genomics, point-clouds, videos, and images. We're reinventing storage with innovative data layouts, compression strategies, and ...

Sr. Software Engineer

About Dialpad Dialpad is the leading AI-powered customer communications platform, transforming how businesses communicate with their customers. More than 50,000 companies around the globe — including Netflix, RE/MAX, Uber, Randstad, and Tractor Supply — rely on Dialpad to build stronger customer c ...

Senior Software Engineer

Overview The Content Core team is the first major entry point to Bazaarvoice’s User Generated Content workflow. The services offered by this team provide processing, collection, storage, management, auditing and authenticating each piece of content which enters into Bazaarvoice. This team i ...

Senior Software Engineer

Are you a talented Senior Software Engineer looking for an exciting new challenge? STS Defence is seeking a Senior Software Engineer to join our dynamic Programmes Division in Gosport. As a Senior Software Engineer, you will play a pivotal role in the design, development, and implementation of adva ...

Senior Software Engineer

£75,000, Runcorn, 1 day a week Join a well established software business with strong foundations. The company has a long history of building and supporting its own platform and continues to invest in both people and product. The focus stays on stability, steady growth, and creating an envir ...

Senior Software Engineer

Requirements Bachelor's degree in Computer Science, Mathematics related technical field, or equivalent practical experience 4+ years work experience with back-end applications Solid understanding of Javascript Familiarity with Node.js < ...

Senior Software Engineer

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It’s transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innova ...

Senior Software Engineer

Role Full Stack Developer Salary £60,000 – £70,000 + company bonus Location Hybrid – Nottinghamshire (once a week onsite) Employment Type Permanent About the job If you are a Senior Full Stack Engineer with a strong C#, .Net backgroun ...

Senior Software Engineer

Location: Lancing, West Sussex (Office-Based Monday-Friday) Build Technology That Changes Lives At TellJO, we’re using technology to help vulnerable people access support earlier, improve wellbeing, and avoid crisis. Our SaaS platform helps organisations identify vulnerability, unde ...

Senior Software Engineer

Working Pattern: Hybrid 2 days in office This is a brilliant opportunity for a desktop C# engineer to join a fast-growing technology company whose software is used by scientists and engineers across the world. You'll be writing code that drives real machines connecting instrumentati ...

Senior Software Engineer

About Our Team Our global team supports products that provide education, electronic health records, and digital charting solutions to help students document care in today’s modern clinical environment. We maintain a very stable product and value trust, respect, collaboration, agility, and quality. ...

Senior Software Engineer

About the Role Our world‑leading Time & Frequency department is seeking a Senior Software Engineer with expertise in Unix/Linux software development and containerisation to lead the next generation of resilient time distribution capability for national infrastructure. Key Responsibilitie ...

Senior Software Engineer

About IMU Biosciences IMU Biosciences has developed proprietary platform technologies that generate and translate vast system-level immune data into actionable insights and tools to drive the development of precision medicines across a variety of diseases. Built on over a decade of research at Ki ...

Senior Software Engineer

Adarga builds AI systems for customers working in Defence, Security and Resilience. With a core focus on our multimodal data fusion platform, we combine the value of humans and agents to transform information overload into decision advantage. Our team is a hybrid of domain specialists and technolog ...

Backend Software Engineer

hackajob is collaborating with Moody's Corporation to connect them with exceptional professionals for this role. Skills and Competencies 3+ years of experience in backend software development with a focus on Node.js, building scalable and production-grade systems </l ...

Principal Software Engineer

Matchtech are working closely with a UK defence technology organisation delivering secure communications and cyber solutions used in mission-critical environments. Their teams build high-assurance cryptographic and key management capabilities that enable the confidential exchange of sensitive information f ...

Application Software Engineer

Application Software Engineer 12-month contract Onsite in Bristol SC must be in place prior io starting £65ph, UMB, inside IR35 Our client, a leading organisation in the Defence & Security sector, is currently seeking an Application Software Eng ...

Software Test Engineer

Location: London, UK (priority), UK-based Job Purpose and Background: Are you passionate about securing the future of the planet by preventing catastrophic climate change? Do you want to apply your considerable creativity, energy, and digital expertise at the cutting edge of corpo ...

Principal Software Engineer

Principal Software Engineer – UK (remote) – High‑availability Systems – £170k + package Hybrid: 2–3 Days in office Principal Software Engineer, with strong experience developing and designing high‑availability, distributed systems is now required by a market leading trading house. <p ...

Software Engineer I

About the Team Our teams are collaborative, forward‑thinking, and agile. We support multiple products with challenging and exciting features and provide real opportunities for teams to contribute to the organization’s success. About the Role You will contribute to the development o ...

Software Engineer (Compilers)

Hybrid | Haywards Heath At Universal Quantum , we aim to make the world a better place by engineering the future of computing. Together, we are creating truly impactful quantum computers. Our machines will be capable of solving problems until now considered impossible, with applications ra ...

Staff Software Engineer

Numi has partnered with a pioneering technology company transforming physical spaces through advanced AI and automation—turning mundane repetition into seamless, magical experiences. From transforming global transit hubs and mobility infrastructure into frictionless, autonomous experiences for millions of ...

Software C# Engineer

Company Overview At Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster ...

Associate Software Engineer

Associate Software Engineer Location: Cambridge, UK (On-site 4 days/week) Job ID: 55237, Category: Software What you’ll do Design, build, and maintain modern software features Work with engineers, designers, product owners, and QA in an Agile environment ...

Software Engineer Frontend

Join us at Barclays as a Software Engineer – Front End, where you will design, develop, and enhance software solutions using a range of engineering methodologies. You will deliver innovative business, platform, and technology capabilities that support our customers and colleagues. To be successful ...

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