347 Software Engineer jobs in the United Kingdom

Insight Global is seeking a Software Engineer for one of their premier energy trading clients in London. This person will be working on an Energy Evaluation Analytics project and will be responsible for aggregating data from multiple different sources and ingesting them into a new performance system. This role will primarily be writing code in .NET/C# and focused on integration activities. This role offers a flexible hybrid working model with the option to work from home 2-3 days/week.

The candidate must have the following:

• Proficient with .NET core/C#
• Strong with .NET API
• Proficient with SQL Server
• Experience with Azure Cloud based hosting and one or more of the following: Azure Service Bus, Azure Event Hubs, Azure blob storage, App Insights, Azure Kube commands
• Comfortable working in a fast-moving demand driven trading environment (e.g. embedded desk developer)
• Strong communication, people skills, able to balance diplomatic and pragmatic approaches with formal process
• Proactive learner, able to develop their understanding of the domain and existing solution quickly with support and guidance from the lead functional developer

It would be ideal if the applicant had:

• Experience in the weather forecasting and/or meteorology domain is highly preferred
• Experience with fundamental modelling of commodities, ideally energy (power, gas, environmental products)
• Entity Framework

Job Title: Software Engineer

Location: Remote

Remuneration: £41.83 per hour

Contract Details: Fixed Term Contract, 12 months, Full Time

Responsibilities:

• Design, develop, and maintain high-quality software applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Troubleshoot and debug applications to optimise performance.
• Write clean, maintainable, and efficient code following best practises.
• Participate in code reviews to ensure code quality and share knowledge.
• Stay updated on emerging technologies and propose improvements.
• Contribute to all phases of the development lifecycle, from concept to deployment.

Who You Are:

• Proficient with Javascript
• Experienced with React, PHP/Hack
• A real passion for Gaming!

Join our Client's innovative team and make an impact in the technology sector! We are looking for a proactive Software Engineer who thrives in a fast-paced environment. If you are passionate about coding and eager to tackle challenges, we want to hear from you!

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

Job Title: Software Engineer

Location: Remote

Remuneration: £41.83 per hour

Contract Details: Fixed Term Contract, 12 months, Full Time

Responsibilities:

• Design, develop, and maintain high-quality software applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Troubleshoot and debug applications to optimise performance.
• Write clean, maintainable, and efficient code following best practises.
• Participate in code reviews to ensure code quality and share knowledge.
• Stay updated on emerging technologies and propose improvements.
• Contribute to all phases of the development lifecycle, from concept to deployment.

Who You Are:

• Proficient with Javascript
• Experienced with React, PHP/Hack
• A real passion for Gaming!

Join our Client's innovative team and make an impact in the technology sector! We are looking for a proactive Software Engineer who thrives in a fast-paced environment. If you are passionate about coding and eager to tackle challenges, we want to hear from you!

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

Role: Software Engineer

Type: Permanent

Location: Gloucester

Clearance: Must have SC Clearance

Are you an experienced Software Engineer with exposure to working within defence. Are you keen to work in a role where your work will make a big difference?

CND are partnered with a global defence powerhouse to help build their team of Software Engineers to deliver on mission critical goals. The work will span areas like Intelligence and Cyber Security projects, where your input to develop new elements will be valued. You will take on the role of creative and developing cutting edge systems and apps with a close eye on secure coding practices and DevSecOps principles.

Key Skills:

• Proficient in Java or another language such as Python
• Good knowledge of developing in a Linux environment
• Working knowledge of Git version control and GitLabs CI/CD pipelines
• Experience working with Apache NiFi
• Some exposure to front-end elements like JavaScript, TypeScript or React
• Some data interrogation with ElasticSearch and Kibana
• Exposure to working with Atlassian products

Looking for a role where you can achieve a good level of flexibility, some very interesting work alongside some of the UK’s brightest minds? Look no further!

Role: Software Developer

Contract Length: 8 months (extensions possible)

Work Location: Remote with monthly expenses paid travel

Start Date: ASAP

Industry: Public Sector

IR35 Status: Inside IR35

We’re building a greenfield application and need a Software Developer with a strong background in data integrations to help bring it to life. You’ll work with a modern tech stack, deploying to AWS, integrating APIs, and collaborating with a multidisciplinary team to deliver a high-quality, scalable platform.

Responsibilities:

• Deploying aspects of a new service to a managed cloud platform
• Integration changes to existing services to support the new one
• Working on a ticketed system for incident, change, service requests and problem resolution
• Building deployment packages
• Continuous service improvement
• Updating service documentation
• Writing & passing API tests, updating API documentation where required

Role Requirements:

• Expert in Python, Terraform, Elastic & Kibana, React & API Integration
• Expert in AWS – including Lambda & SQS
• Data Integration & Mapping experience
• Active & transferable SC clearance

Desirable:

• Single Sign-On (SSO) implementation
• CI/CD pipelines & Agile delivery
• Docker

Are you a Software Developer, based in Norwich, skilled in Laravel, PHP, SQL and JavaScript, looking for a new role?

If yes, this could be the ideal opportunity for you!

What's in it for you?

• Salary: £30,000-£40,000
• Work full time in the office, in a small collaborative team
• Continuously learn and grow, with the support of a close knit team
• Work in an engaging environment where your ideas are valued

What you will do:

• Write efficient code in SQL, Laravel and JavaScript
• Ensure quality through TTD and adhere to best coding practises
• Design and develop systems using PHP

What we're looking for:

• A bachelors degree in computer science or a related field
• 2+ Years of hands on experience in Laravel, SQL and other relevant technologies
• A keen desire to work closely with like-minded developers

If this sounds like you, hit apply!

Mid, Senior & Lead Software Engineers (Full Stack) | Consultancy | Manchester | Tech for good

Competitive Compensation : £50k-£80k (Depending on level) + Bonus & Benefits

Hybrid Working : Greater Manchester Based (3 days in office)

Career Development : Tailored growth opportunities and support for professional certifications in a dynamic environment.

Roles:

2 x Software Engineers (Java, .Net and/ or Python)

2 x Senior Software Engineers (Java, .Net and/ or Python)

1 x Lead Software Engineer (Java, .Net and/ or Python)

Are you an experienced Software Engineer with a genuine interest in a consultancy role, looking to contribute to the creation of greenfield, bespoke tech-for-good solutions for a public sector clients?

In this pivotal position, you will lead the design and implementation of robust software solutions tailored to meet client needs. The vast majority of our solutions are cloud and backend-focused, involving highly complex data sets and entirely greenfield projects—there are no plug-and-play components or general bug fixes here.

What You’ll Do:

Create Custom Solutions : Work closely with the client to understand their challenges and develop innovative, scalable software solutions that handle vast amounts of data and transactions.

Technical Proficiency : Utilize modern programming languages (Java / .NET / Python, etc.), distributed system architectures (e.g., microservices), and cloud technologies to build high-quality software.

Cross-Functional Collaboration : Work within cross-functional technical teams in a digital environment, addressing the unique challenges and skills that come with developing and iterating technical solutions.

Client Engagement : Be client-facing, facilitating discussions to ensure alignment on technical strategies and best practices. The ability to make technical decisions with clients is a must.

Lead and Mentor : Provide subject matter expertise and support the development of junior team members, fostering a collaborative and innovative work environment.

Agile Delivery : Work in Agile delivery environments to deliver software solutions incrementally, ensuring flexibility and responsiveness to client needs.

Your Ideal Profile:

You possess strong expertise in software development, with experience in building and iterating on highly complex, large-scale systems for public sector solutions. You should have a solid understanding of cloud technologies, Agile delivery, and exceptional client-facing skills to effectively engage with stakeholders. Experience in technical decision-making is ideal, as well as a genuine interest in consultancy roles. Your meticulous attention to detail and ability to communicate complex concepts make you a great fit for our team.

Join Us in Making a Difference!

If you're ready to tackle exciting digital transformation challenges and contribute to meaningful projects, we want to hear from you!

Job Title: Software Engineer

Client Location: Cambridge or Bourne - fully on-site

Starting: September/October 20

Salary/Pay Rate: £47.12 per hour (PAYE) - 40 hrs/week

Hours: Part-time

Duration: 12 months

Join a pioneering research and development team as a Software Engineer, contributing to cutting-edge advancements in data collection technology. You will play a pivotal role in building and maintaining the software and systems that power our data collection lab, ensuring the efficient, accurate, and reliable capture of data from prototype devices. Your work will directly impact the development of next-generation technology.

Imagine working on cutting-edge prototype wearable devices!

As a key member of our team, you will develop software to interface with these devices, integrating them seamlessly into our data collection platform. You will focus on optimizing the data collection process for efficiency, reliability, and accuracy, working with a variety of recording equipment for audio, video, inertial measurements, and other modalities. Your expertise in distributed systems will be essential as you deploy, test, and evaluate upgrades to our platform, ensuring its stability and performance. You'll also contribute to building and maintaining systems for monitoring system health, enhancing tools for data validation and processing, and collaborating with fellow engineers to troubleshoot issues and design robust solutions.

This is a 12 months, fully on-site contract, offering £47.12 hourly (PAYE) – 40hrs/week. This role is open for a limited time. Next steps will be shared with shortlisted candidates by Monday 18th August. Due to the high volume of applicants, we may be unable to reply to each applicant individually.

Responsibilities:

• Develop software to interface with cutting-edge prototype wearable devices.
• Optimize the data collection process for efficiency, reliability, and accuracy.
• Work with recording equipment for audio, video, inertial measurements, and other modalities.
• Deploy, test, and evaluate upgrades to the distributed data collection platform.
• Build and maintain systems for monitoring system health.
• Enhance tooling for data validation and processing.
• Perform onsite debugging and root cause analyses.
• Collaborate with engineers to triage issues, design solutions, and estimate work.
• Promote best practices across the engineering and research community.

Must-Have Qualifications:

• BS Degree in Computer Science or a related field, or equivalent work experience.
• Professional programming experience.
• Demonstrated proficiency in Python, including experience with large projects.
• Proficiency in Linux and shell scripting.
• Skills in maintaining and improving networks.
• Experience with cross-platform distributed (RESTful) and concurrent systems.
• Experience with FastAPI or similar backend frameworks in Python.
• Working knowledge of time-synchronization.

Nice-to-Have Qualifications:

• Experience working with hardware multimedia sensors.
• Working knowledge of audio, image, and video formats.
• Experience with relational and graph/NoSQL databases.
• Experience with software and hardware testing frameworks and strategies.
• Working knowledge of React or similar frontend frameworks in JavaScript.
• Experience with systems administration on Windows.

Client Description:

Our Client is the largest social media company in the world. They have substantial B2B and B2C advertising and media platforms, as well as a nonprofit initiative. With the mission of bringing people together, they now boast over 2 billion users, and are rapidly developing as they influence the world around us.

Aquent is dedicated to improving inclusivity & is proudly an equal opportunities employer. We encourage applications from under-represented groups & are committed to providing support to applicants with disabilities. We aim to provide reasonable accommodation for any part of the employment process, to those with a medical condition, disability or neurodivergence.

C++ Software Engineer

Bristol (Hybrid)

£45,000- £55,000 + Annual Bonus + Holiday + Health Insurance + Training + Progression + Enhanced Pension + Benefits

A great opportunity awaits a Software Engineer with strong C++ experience to join an established tech company. This role promises significant technical challenges, diverse projects, and ample room for professional growth.

This company develops high-performance software used across a broad range of industries and products, working closely with major global partners.

In this role, you'll be joining an established software and technology team in a senior capacity, working across the full product lifecycle. The focus is on developing applications, including graphical ones, primarily in C++, with a strong emphasis on the underlying algorithms that support AI-driven solutions. The role offers a hybrid setup, with two days a week in the Bristol office and great flexibility around working hours.

The right candidate for this role will have strong commercial C++ experience, ideally with some exposure to hardware or an understanding of how software interacts with physical systems.

This is a fantastic opportunity for a C++ Software Engineer to engage with cutting-edge problems, benefit from brilliant flexibility, and access great training and development opportunities within a leading business.

The Role:

*C++ development on desktop applications (graphical), focusing on algorithms for AI-driven solutions.

*Work across the full product lifecycle in a senior capacity within an established team.

*Offers strong technical and leadership progression.

*Hybrid working (2 days in Bristol) with flexible hours.

The Person:

*Strong commercial C++ experience.

*Understands the full software development lifecycle.

*Ideally, exposure to hardware interaction with software.

*Linux experience beneficial.