1,124 Web Development jobs in the United Kingdom

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform.

Tech Stack:

• Strong experience with JavaScript and TypeScript
• Good experience with Laravel and/or Python (Django or Flask a plus)
• Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.)

What You'll Do:

• Build scalable applications using modern frameworks and clean architecture
• Contribute to backend services and APIs (Python or Laravel-based)
• Help re-platform and migrate from Drupal to a modern stack
• Collaborate cross-functionally with UX, Product, and DevOps

What We Offer:

• A supportive environment that encourages professional growth and continuous learning.
• An inclusive, collaborative culture within one of the UK's leading business services providers.
• A competitive salary and benefits package.

INDLON

49904MS

Software Engineer C#

12 month contract

Based in Stevenage

Offering 65ph Inside IR35

Do you have experience with C#?

Do you have experience across the lifecycle?

Do you want to work with an industry-leading company?

If your answer to these is yes, then this could be the role for you!

As the Software Engineer C#, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry.

You will be involved in:

• Supporting the development of advanced defence systems from the initial concept all the way through to in-service support and training
• Working with Project Leads and Simulation Architects to design and develop simulation components as an end-to-end representation of a Weapon System
• Part of an agile development team, made up of mixed discipline engineers working in synergy to develop simulations and representations of real equipment

Your skillset may include:

• Proficient in C# / C++
• Microsoft Visual Studio, Eclipse
• Ability to work from high level/system view into technical detail
• Knowledge of using Microsoft Windows and Linux operating systems
• Distributed simulation standards / Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications,
• Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP
• Practical knowledge of System integration principles and processes

If this all sounds like something you will be interested in then simply apply and we can discuss the opportunity further!

Software Engineer C#

12 month contract

Based in Stevenage

Offering 65ph Inside IR35

Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

Software Engineer C++

12 month contract

Based in Stevenage

Offering 67ph Inside IR35

Do you have experience with C++?

Do you have experience working in Linux environments?

Do you want to work with an industry-leading company?

If your answer to these is yes, then this could be the role for you!

As the Software Engineer C++, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry.

You will be involved in:

• Design and develop real-time test and capture software on Linux systems using C++
• Integrate and interface with high-speed SFPDP cards across multi-channel data pipelines
• Architect and implement robust, scalable, and maintainable multi-threaded applications
• Define and implement data sequencing and synchronisation logic to support deterministic capture and replay
• Work with hardware teams to ensure seamless integration and timing alignment between software and capture cards
• Lead and contribute to system integration, verification, and testing at both component and system levels
• Conduct performance analysis, debugging, and optimisation of real-time systems
• Document architecture, interface definitions, and test procedures to support handover and formal test activities

Your skillset may include:

• Experience in C++ development in a Linux environment
• Proficiency in C# for tooling, test interfaces, or Windows components
• Proven experience working with real-time data systems, preferably involving SFPDP or other high-speed digital protocols
• Demonstrable skills in multi-threaded and concurrent programming
• Experience with low-level I/O, DMA, or driver-level interactions with PCIe cards or similar
• Familiarity with software sequencing frameworks or custom state machines for test execution
• Experience with version control systems (e.g., Git) and CI/CD pipelines
• Knowledge of FPGA-based data acquisition systems and synchronisation methods
• Familiarity with unit testing frameworks, automated test rigs, or hardware-in-the-loop (HWIL) setups
• Experience developing or integrating with real-time operating systems (RTOS) or using real-time Linux extensions

If this all sounds like something you will be interested in then simply apply and we can discuss the opportunity further!

Software Engineer C++

12 month contract

Based in Stevenage

Offering 67ph Inside IR35

Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

As an Innovations engineer you will be developing software-based solutions to business problems in a small team of full-stack software engineers. These solutions will be aimed at ensuring TUV SUD is well placed to deliver future services in a timely, efficient and competitive manner. You will be developing tools that will be used internally to support the business as we push to digitize and automate our internal processes. As part of the Innovations Team, you will liaise with various parts of the business to provide new and innovative software solutions for internal company usage. You will be expected to input on software requirements, software implementation and propose effective solutions.

Where the vacancy is filled from within TUV SUD, a handover period will be required to allow for training and delegation of current responsibilities.

Duties and Responsibilities:

• Writing C#/.NET software to automate manual processes and help improve efficiencies across the business.
• Functioning as a full-stack developer, working within a small team that is delivering both front-end and back-end software.
• Contributing to the design of Innovations projects.
• Participating in and contributing to Innovations practices such as Agile ceremonies and trainings.
• Automation of data collection, analysis and reporting using databases (SQL).
• Upgrading and improvement of legacy tools.
• Code sharing within the Innovations Team to speed up development process.
• Training for Service Line employees in areas where new software tools have been deployed by the Innovations team.
• Produce and prove solutions in concept with working prototypes.
• Provide regular updates on project progress.
• Track project progress using DevOps.

Essential Criteria:

• HND (or higher) or equivalent in Engineering or equivalent experience.
• Demonstrable professional experience in software engineering.
• Proficient in C# and .NET.
• Experience with HTML and CSS.
• Experience with SQL, preferably T-SQL.
• Experience with both front-end and back-end development.
• Experience with a web development framework, preferably Blazor.
• Ability to develop a working software solution in a team environment from concept to finished product.
• Team player, maintaining a high level of accuracy and attention to detail, good communication skills at all levels.
• Self-motivated with a desire to learn new skills and make a business impact.

Desirable Criteria:

• SQL Server experience, preferably using stored procedures.
• Experience using Azure DevOps in an Agile team.
• Experience running Agile ceremonies.
• Experience with Refit and Insight.Database.
• Strong communication skills and ability to communicate technical problems and potential solutions clearly to non-technical staff.

Further Information

TV SD in the UK offers a competitive salary and benefits package that includes a minimum of 33 days holiday entitlement (for full-time employees, including public holidays), a contributory Group Personal Pension Plan and a non-contributory Group Life Assurance Scheme. We also offer various Salary Exchange/Sacrifice schemes (buying/selling holiday, cycle to work scheme, pensions), incentive schemes and comprehensive wellbeing support (Employee Assistance Programme, Dental Scheme and Occupational Health services). Dependent on their role, employees may also be eligible for hybrid/permanent homeworking, a Company Car/Car Allowance and Private Medical Insurance.

PLC Automation/Software Engineer

Location: Brighouse, West Yorkshire
Salary: 45,000.00-55,000.00 per year + Car Allowance
Job Type: Full-time, Permanent
Work Schedule: Monday to Friday
Work Location: Hybrid remote in Brighouse

Company Description

Our client, based in Brighouse, has over 30 years of experience in designing and manufacturing Industrial electrical solutions. They provide electrical engineering solutions to a wide range of industries, including food & beverage, waste recycling, pharmaceuticals, textiles, and hazardous area applications.

Role Description for PLC Automation/Software Engineer

We are seeking a talented and experienced PLC Automation/Software Engineer to join our client's team. This is a full-time hybrid role, requiring flexibility for regular remote working, overnight stays, and potential travel abroad. The successful candidate will be responsible for the design, development, installation, and commissioning of PLC & HMI software for industrial control systems.

Key Responsibilities for the PLC Automation/Software Engineer

• Design, develop, install, and commission PLC & HMI software for industrial control systems.
• Collaborate with multidisciplinary teams and manage projects.
• Interact with clients to understand their requirements and provide solutions.
• Ensure high standards of quality and safety in all projects.

Qualifications/Experience ideal for the position of PLC Automation/Software Engineer

• Level 3 or higher qualifications in electrical/engineering (ONC, HNC, NVQ equivalent).
• Minimum of 5 years' experience in PLC & HMI programming, design, and system integration.
• Proficiency with Allen Bradley and Siemens controllers and HMIs.
• Experience with industrial control systems, instrumentation, and variable speed drives (both AC and DC).
• AutoCAD Electrical experience.
• Knowledge of industrial networking protocols: Profinet, Profibus, Ethernet/IP, Modbus, etc.
• Excellent communication and team-working skills.
• Experience in commissioning PLC & HMI systems on customer sites.
• Clean driving licence.

Requirements for the position of PLC Automation/Software Engineer

• Valid work authorization for the United Kingdom.

To apply for the PLC Automation/Software Engineer role, please click "Apply Now" and attach an updated copy of your CV. Alternatively, please contact Lewis Lynch at E3 Recruitment for more information.

Software Engineer - Node.js, TypeScript, AWS, Next.js

Location: Bracknell (Hybrid)

Salary: 50k to 55k DOE

The Role

Join a digital signage company serving thousands of displays nationwide. You'll architect and maintain a platform whilst building applications from weather widgets to interactive wayfinders, and handle everything from AWS infrastructure to client deployments.

What You'll Do

• Build & Architect: Core platform, weather/social/financial apps, interactive displays
• DevOps: AWS serverless management, legacy server maintenance, deployment pipelines
• Incident Response: Monitor threats, scale infrastructure, deploy critical fixes
• Client Support: Diagnose complex issues, translate requirements into technical solutions

Technical Skills

• Node.js, TypeScript, React, Next.js
• PostgreSQL, DynamoDB, RESTful APIs
• AWS (serverless architecture, infrastructure management)
• DevOps practices, CI/CD
• Backend development and systems architecture

What's In It For You

• Impact: Your code runs on displays across the UK
• Variety: From building new apps to handling 25x traffic spikes
• Growth: Clear path to technical leadership
• Team: Small, collaborative environment where decisions matter
• Tech: Modern stack with real-world scalability challenges
• 50k - 55k DOE | Hybrid Working | Bracknell

Ready to build software that actually gets seen? Get in touch with Mike Walton at Avanti Recruitment.

Avanti Recruitment is working exclusively with this digital signage software company on this position.

Software Engineer

Job Type: Permanent
IR35 Status: NA
Start date: ASAP Subject to Clearance
Duration: Permanent
Salary: Up to 46,000

Location: Cumbria OR Oxfordshire
Hours of work: Up to 40

Applicants must be / have experience of the following:

* Developing software solutions using C++ in complex projects using OOD and OOP
* Excellence in User Experience - developing user interfaces that align to the customers' business workflow and allow the effective display and manipulation of senor data (e.g. video, pointcloud, image overlays).
* Good experience in structured automated testing, build and deployment techniques/technologies.
* Good experience in version control (e.g. Git) and branching strategies.

Ideally, applicants will also be / have:

* Experience with Full-Stack development and languages (TypeScript, CSS, etc).
* Experience in Linux, Embedded System, and Windows development.
* Experience working with control systems, data acquisition and sensors; using software libraries like ROS.
* Experience of Test-Driven Development and continuous integration.
* Experience of cloud-based frameworks (AWE, Google Cloud, etc).
* Experience of AI tools and their APIs.
* Experience of additional software languages (e.g. Python, C#, Matlab).

Role information:

As a Software Engineer, you will play a pivotal role in shaping the architecture and implementation of various applications. Your responsibilities will include developing sophisticated applications to control instrumentation, as well as creating solutions to acquire, analyse, and display data effectively. A keen focus on user experience will be essential, ensuring that the applications are intuitive and user-friendly. Additionally, you will be involved in code control and structured testing, maintaining high standards of quality and reliability throughout the development process. This dynamic role requires a blend of technical expertise and creativity to deliver innovative and efficient software solutions.

Ongoing activities will include:

* Helping to define the architecture and implementation for applications.
* Developing applications to control instrumentation.
* Developing applications to acquire, analyse and display data.
* User Experience.
* Code control and structured testing.

Interested in this position? please click "apply now"

We try to respond to all applicants, but sometimes this is not possible due to high volumes of applications; if you have not heard from us within 14 days, regrettably it means you have been unsuccessful on this occasion.

Company information:

This permanent/ contract vacancy is being advertised by Rullion Ltd

Since 1978, Rullion has been securing exceptional candidates for a range of clients; from large well-known brands, to SMEs and start-ups.
As a family-owned business, Rullion's approach is credible and honest, focused on building long-lasting relationships with both clients and candidates.

Rullion is a forward-thinking recruitment company that specialises in providing a wide range of talent consultancy services to a diverse client base; from small start-ups to large household names.

We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants.

Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.

My client, a clean-tech company, is transforming how the UK manages energy efficiency, with 60,000+ devices already deployed and a fleet that's growing fast. We're looking for a Software Engineer to join their mission of improving carbon efficiency across industry - and the timing couldn't be better, with new government regulations creating massive demand for their solutions.

You'll be joining a close-knit engineering team of 10-11 people, working as an individual contributor on their analytics application that processes 10+ billion records to optimize heat network performance. This is a great role offering significant project ownership and technical autonomy in a fast-growing market.

We're Looking For:

• 4+ years commercial software development experience
• Vue.js framework experience (essential - React/Angular background considered but Vue.js strongly preferred)
• Strong Python backend development skills
• Database design and schema modeling experience with high-volume datasets
• JavaScript proficiency
• Project ownership experience - leading medium-sized projects or major components from concept to release
• SaaS product development background preferred

What's on offer:

• Salary up to 70,000 depending on experience + great benefits including:
• 25 days holiday + bank holidays
• 5% pension contribution
• 1500 annual training budget + 12 paid training days
• Flexibility around hybrid working - typically 2-4 times per month in office. Can the work be done from home? Go for it, although there will be times when you'll be needed on-site for collaboration
• Private health insurance
• Quarterly company socials
• Modern tech stack: Python, AWS, DynamoDB, microservices architecture
• Exposure to cutting-edge data practices and machine learning concepts

The Role:

Working on the analytics platform, you'll be handling large-scale data processing and building features that directly impact heat network efficiency across the UK. With upcoming government regulations expected to drive significant client growth (from 40% to 60%+ uptake), you'll be scaling critical infrastructure that's making a real difference to carbon efficiency.

.Net Developer / .Net core / Azure / SaaS / API's / Software Engineer / C# / JS

Software Engineer

Role: Software Engineer ( .Net Engineer )

Salary: 50,000

Location: Fully remote (Very occasional trips into the office in Staines)

.Net Developer / .Net core / Azure / SaaS / API's / Software Engineer / C#

Responsibilities

• Work as part of a Product engineering team to deliver new applications and features, and improve and fix existing software
• Understand business requirements and write clean, tested, maintainable code that meets acceptance criteria
• Continually aim to improve technical ability through a combination of pairing and self-directed learning
• Support & help other engineers to improve their knowledge, skills and processes through pairing, mentoring and code reviews

Technical Skills

• .NET C# - ideally with experience of .NET 8
• JavaScript experience preferred
• Entity Framework Code-First or other ORM
• SQL and SQL Server (as a developer rather than administrator)
• Experience building and maintaining APIs (REST or GraphQL)
• Azure

Qualifications

• 2+ years of experience as a software engineer working with .NET / C# / Azure / JS

If you believe you are the .Net Developer we are looking for then please do not hesitate to apply or send your cv directly

.Net Developer / .Net core / Azure / SaaS / API's / Software Engineer / C#