Senior Software Engineer - Web3 / Blockchain

Harrington Starr; Cardiff; On-site; GBP 28,000 - 30,000; Full time

Job summary

A leading technology firm in Cardiff is seeking a Software Engineer to design and develop innovative solutions for their motion simulator products. The ideal candidate will have experience in high-level programming languages such as Python, Java, or C#, and is passionate about technology and development practices.

Benefits

Pension

Life insurance

Private medical insurance

25 days holiday

Cycle to work scheme

Electric car vehicle scheme

Qualifications

• 2-3 years programming experience in high-level languages (Python, Java, C#)
• Interest in graphics and UX is a plus.
• Strong communication skills with technical and non-technical stakeholders.

Responsibilities

• Design and build software for platforms including Windows/Linux and PLCs.
• Contribute to software development processes and continuous improvement.
• Write clean, maintainable code while collaborating with cross-functional teams.

Skills

Programming

Collaboration

Problem Solving

Software Development

Communication

Education

Degree in Computer Science or related field

Tools

Git

Jira

Job description

• Senior Software Engineer Web3 Blockchain jobs ...

Dynisma is revolutionising the automotive and motorsport driving simulator market with its disruptive motion generator technology. Our cutting-edge approach to simulator design delivers more data about vehicle dynamics and ride to drivers and passengers with less latency and more accurately than any other motion simulators available.

ABOUT THE ROLE

As a Software Development Engineer, you will play a critical role in designing, developing, and maintaining the software that enable our motion simulator products, as well as contributing to new ones. You will collaborate closely with a cross-functional team of engineers, designers, and domain experts to create innovative solutions that elevate the simulation experience.

• Design and build software for a variety of platforms, including Windows/Linux, the web and real-time PLCs
• Contribute to continuous improvement of Dynisma’s software development processes, tools and automations
• Develop features and rectify bugs across a variety of Dynisma’s software projects, on both new and existing codebases
• Write clean, testable, and maintainable code, alongside creating and maintaining documentation and specifications
• Communicate with project stakeholders and teams to capture requirements and deliver effective solutions
• Participate in code-reviews as part of development best practice

WHAT WE ARE LOOKING FOR

• Proven programming experience in at least one high level language (e.g. Python, C#/+, Java, Typescript) for at least 2-3 years, either professionally, academically or through suitable experience
• An interest in areas such as Graphics, UX and cross-platform development
• Familiarity with modern collaborative development tools including Git and Jira
• Experience or interest in modern DevOps practices, such as cloud compute, containerisation, software architecture and deployment methods
• An eye for quality and software best-practice
• Openness to learning – we work with a variety of programming languages and software packages
• Strong communication skills – the ability to digest complex user needs and translate into software requirements, as well as interacting with a variety of technical and non-technical stakeholders is key

WHAT YOU CAN EXPECT

• Hands on experience developing software and tooling to be used both internally and externally by our customers
• Responsibility from the start – we work on challenging, fast-paced projects as part of a small team where you can have a real impact
• Opportunities to work as part of multi-disciplinary teams on projects with physical significance – our key products are machines, and some of our software projects involve interacting with this as part of a wider system

WHY JOIN DYNISMA?

Dynisma is growing rapidly, and we are looking for outstanding people across all parts of the business to help build our future.

The culture is passionate, fast-paced, open, and transparent. People work in a flat structure with hands-on application, innovation, and experimentation constantly in mind.

Benefits include a competitive basic salary, pension, life insurance, private medical insurance, 25 days holiday, Cycle to work and electric car vehicle schemes.

DYNISMA IS PROUD TO BE AN EQUAL OPPORTUNITY EMPLOYER

We are committed to fostering an inclusive and diverse workplace where everyone feels valued and respected.

We welcome applicants from all backgrounds and do not discriminate based on race, colour, religion, gender, sexual orientation, age, disability, or any other legally protected status.

If you require any special assistance or accommodations during the recruitment or interview process, please let us know. We are happy to support you to ensure a fair and comfortable experience.

Software Engineer

Posted 20 days ago

Job Description

full time

I'm currently looking for a Web Developer to join a growing team, working on-site in South Wales, near Cardiff.

You'll be responsible for maintaining and enhancing a portfolio of e-commerce websites built on Shopify Plus, as well as supporting internal applications.

What you'll be doing:

• Developing and maintaining e-commerce sites (Shopify Plus)
• Working with version control systems like Git
• Supporting internal tools (Python and Flutter experience a bonus)

What we're looking for:

• 6 months - 3 years of experience
• Proven projects you can show off (GitHub, portfolio, etc.)
• Eager to learn, tech-savvy, and passionate about innovation
• Salary 28,000 - 30,000
• Full-time, on-site role - options for flexibility after probation.
• Free on-site parking

Interested? Send over your GitHub/Personal Projects & CV to apply.

Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.

Software Engineer

Posted 1 day ago

Job Description

permanent

I'm currently looking for a Web Developer to join a growing team, working on-site in South Wales, near Cardiff.

You'll be responsible for maintaining and enhancing a portfolio of e-commerce websites built on Shopify Plus, as well as supporting internal applications.

What you'll be doing:

• Developing and maintaining e-commerce sites (Shopify Plus)

WHJS1_UKTJ

Software Engineer

Posted 20 days ago

Job Description

permanent

Software Engineer

Fully Remote

Oscar has partnered up with a software consultancy that is looking for permanent software engineers to come in and help with some financial services projects they are currently working on. They are an innovative tech business who have a lot in the pipeline and needs to expand rapidly.

They are offering 25-day holiday, days off on your birthday, great pe.

WHJS1_UKTJ

Software Engineer

Cardiff, Wales £35000 - £45000 annum Future Publishing

Posted 3 days ago

Job Description

Permanent

What you'll be doing

As part of the strategy around GoCompare's acquisition by Future we're putting in a technology roadmap for re-platforming our domain around an API first, cloud based serverless architecture to become the leading PCW service. This is part of our plan to broaden the scope from the GoCompare brand.

Reporting to the Tech Lead, you will be the backbone of the team building our new systems while also being able to input into the architecture and design. You will work with engineers at all levels to deliver our platform and meet both the customers and our needs.

You will ensure changes are scalable, tested, and developed inline with best practices, and that we are always improving our codebase.

Working closely with Engineering, Product, UX, QA and Project Management (PMO) teams you will ensure that all applications integrate reliably. You will also mentor engineers, junior/graduate engineers & trainee engineers contributing to their growth, knowledge, and reviewing their code.

Experience that will put you ahead of the curve

• Application monitoring practices, such as metrics, tracing and logging
• Testing frameworks (e.g. Playwright, XUnit, Jest, Enzyme, React Testing Library & Nightwatch)
• Building software with a test-first approach (TDD, BDD)
• Experience with build and deployment pipelines (CI/CD) using Azure DevOps
• Knowledge of Modern Architecture (Headless APIs, Microservices, Eventing/Messaging, Streams)
• ReactJS (Hooks & Context API)

What's in it for you

The expected range for this role is £35,000 - £45,000

This is a Hybrid role from our Cardiff Office, working three days from the office, two from home

… Plus more great perks, which include;

• Uncapped leave, because we trust you to manage your workload and time
• When we hit our targets, enjoy a share of our profits with a bonus
• Refer a friend and get rewarded when they join Future
• Wellbeing support with access to our Colleague Assistant Programmes
• Opportunity to purchase shares in Future, with our Share Incentive Plan

Internal job family level Technology 6

Who are we…

We're Future, the global leader in specialist media. With over 3,000 employees working across 200+ media brands, Future is a prime destination for passionate people worldwide looking to consume trusted, expert content that educates and inspires action - both online and off - through our specialist websites, magazines, events, newsletters, podcasts and social spaces.

We've got ambitious plans that further build on our growth momentum and unlock new opportunities – and we're looking for driven people who want to be a part of it!

Our Future, Our Responsibility - Inclusion and Diversity at Future

We embrace and celebrate diversity, making it part of who we are.

Different perspectives spark ideas, fuel creativity, and push us to innovate. That's why we're building a workplace where everyone feels valued, respected, and empowered to thrive.

When it comes to hiring, we keep it fair and inclusive, welcoming talent from every walk of life. It's not just about what you bring to the table — it's about making sure the table has room for everyone.

Because a diverse team isn't just good for business. It's the Future.

Please let us know if you need any reasonable adjustments made so we can give you the best experience!

Find out more about Our Future, Our Responsibility on our website.

#LI-Hybrid

Software Engineer

Posted 6 days ago

Job Description

Permanent

Software Engineer

Location: Cardiff

Hybrid / Flexible Working

Salary: Up to £40,000 depending on experience + up to 20% annual bonus + benefits

About Us

Founded in 2018 LDMS are part of the LC Financial Holdings group, a 4 pillar organisation that

has over 2,000 employees across Europe. Together, we have an impressive track record of

providing world-class credit expertise that spans over 20 years.

We are a Fintech company focused on digital lending software, a market growing around 18%

per year and set to be worth $27 billion by 2028. Given our expertise within the company and

across the group we aim to be the leader in the space, and in order to do that we need a team of

people who can not just write quality code but can think, create and challenge others to come

up with the best solutions for our customers. We are an ambitious team with a pretty big ‘to-do

list’ including improving existing products, building new ones and delivering to new markets.

The Role

As a Software Engineer at LDMS, you will be responsible for building and enhancing backend

systems using Java, ensuring they are scalable, reliable, and high-performing. You'll collaborate

with a supportive team in an agile environment, contributing to discussions and decision-making

to drive problem-solving. We embrace an agile mindset, empowering individuals at all levels, to

innovate and collaborate moving quickly in a supportive and solutions driven environment.

Key Responsibilities

From time to time the key responsibilities may change or be adapted to the needs of the

business, however the below gives an overview of the key areas of focus

● Take part in team ceremonies

● Work closely with the team supporting on features and enhancements

● Contribute to automated testing to ensure quality

● Design, implement and optimise backend services.

Requirements

About You

● Technical Expertise: Strong experience in Java development, with a solid understanding

of backend systems and database management.

● Agile Mindset: Comfortable in an agile setting and enthusiastic about embracing change

and continuous improvement.

● Team Player: You're a strong collaborator and enjoy working in a self-organising,

cross-functional team that values each member’s contributions.

Skills & Knowledge

● Experience developing REST APIs with Java (preferably Java 8+) and Spring Boot

● Knowledge of SQL DBs, preferably Postrgres or Oracle

● Experience working with modern Continuous Integration tooling such as Jenkins

● Knowledge of version control systems such as Git

● Experience with automated unit and integration testing

● A passion for solving problems and collaborating

● Good communications skills

What’s important to us?

It’s safe to say our passion is tech, but we recognise that it’s the people that we hire and bring

together who are at the heart of the organisation. Over the years we have acquired and recruited

a pretty eclectic bunch with hobbies ranging from gaming to ultra marathon running,

snowboarding to chess and hiking and climbing, however, what we do have in common are our

values:

They may just look like corporate jargon, but they mean something to us, and if you can relate to

the above, get in touch as it there’s a good chance that you’d be a great addition to the team.

• Discretionary Bonus (Up-to 20%)
• 25 days Annual leave (plus bank holidays)
• 1 day Charity Leave
• EAP
• Pension (Salary Sacrifice 3%/5% contribution)
• Salary sacrifice bike and electric car scheme
• Monthly Socials
• Charity Events

Software Engineer

Posted 495 days ago

Job Description

Permanent

Space Forge is a fast-growing in-space manufacturing company. We are developing the world’s first returnable and re-launchable satellite platform, the ForgeStar. Space Forge is transforming return from space to enable new techniques to produce products and services for the benefit of all.

The ForgeStar can support a wide array of missions, from in-space manufacturing of new materials and microgravity research, to planetary landing systems and deep space exploration.

We are now seeking a full time embedded software engineer to join our team. You will help design and build C/C++ software to run on a satellite in space.

What will you do?

• Coding in embedded C and C++
• Documentation and testing

Key responsibilities:

• Ability to take the software requirements for a complete subsystem (e.g. motor driver or communication system), and design and build software to meet those requirements
• Ability to understand electronics schematics, processor datasheets, peripheral datasheets, and peripheral interface (protocol) definition documents
• Ability to write great documentation covering the architecture, design, APIs, protocols, and implementation.
• Build unit tests, integration tests, subsystem tests, and full-system tests. This will include writing system and subsystem test scripts. It will also include writing and executing manual testing plans.

.

Requirements

Required experience:

• Developing in C/C++ for embedded Real Time operating Systems (RTOS);
• Experience with hardware level communication protocols (e.g. I2C, UART or RS-485/422);
• Ability to understand electronics schematics and device datasheets.
• Experience with Slack, Jira and Google workspace as productivity tools;
• Demonstrable experience of working across the full software lifetime development cycle;
• Working knowledge of the space industry and European space standards;
• Knowledge of Agile and Waterfall working practices.
• Use of Python 3 for test scripts and data analysis.

We are looking for people who are willing to work hard, think logically, have high energy levels, respect others’ abilities and ultimately have an unending appetite to learn a large number of new skills quickly. Space Forge is committed to making super-powered teams of diverse individuals in all senses of the term, therefore women are strongly encouraged to apply and we welcome applicants from all backgrounds.

We believe in a future where our most polluting industries are moved off the planet, built for sustainability, and returned back to Earth for the benefit of all. Space is the next step for our manufacturing needs.

Salary range: £42,000 - £5,000 pa depending on experience, knowledge and skill set

At Space Forge, we believe in creating the best possible workplace that suits every single person that joins us.

• 33 days holiday including bank holidays
• Pension scheme at 4% matched
• Charity or cause you’re passionate about? Up to 5 volunteering days a year to support the things closest to you and make an impact
• Super cool office and factory - the coffee is on us (and it’s certified carbon neutral too, our snazzy machine does anything from the humble americano to a superb flat white)
• Pizza pay day - okay, it’s not always pizza, but if you’re at the office on pay day, lunch is on us
• We’re changing the way humanity builds, we think that’s exciting, and we want you to be excited about it too. That’s why we have an Employee Share Option Plan (ESOP) so you can own part of our journey
• You’re the master of your own destiny. We offer every person at Space Forge a £1500 annual learni budget so you can choose the training or experiences to help you grow
• Your mental health is important! You’ll have access to Spill - an all-in-one mental health support platform offering completely anonymous therapy sessions to our whole team
• Working with a passionate, friendly and highly motivated team
• Maternity / Paternity benefits beyond statutory

We are committed to building an inclusive workplace and that starts with hiring diversely. However you identify, and whatever background you bring with you, we welcome you to apply for a role at Space Forge.

If there are any adjustments that would help improve your experience with Space Forge, please do let us know when you apply.

We also believe our interview process should be inclusive and transparent and we take it very seriously. We want to give you time to learn about us while we get to know you. As always, if there is anything missing, or you've identified a way we can improve, just let us know!

For this role, have a two-stage interview process:

• 45-minute Culture and Values video call interview with 2 members of our team
• 60-minute Technical interview related to specific needs of the role with 2 members of the team you'll be most closely working with

Closing date is Monday 26th February 2024.

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Location

Embedded Software Engineer

Posted today

Job Description

A newly formed mid-sized technology firm - born from the merger of two long-established engineering companies (one UK-based, one US-based) - is looking for a Software Verification Engineer to support the development of high-integrity embedded systems. With a strong presence in aerospace and defence markets, this is a rare opportunity to help shape the verification strategies for critical real-time systems.

About the Role

A newly formed mid-sized technology firm - born from the merger of two long-established engineering companies (one UK-based, one US-based) - is looking for a Software Verification Engineer to support the development of high-integrity embedded systems. With a strong presence in aerospace and defence markets, this is a rare opportunity to help shape the verification strategies for critical real-time systems.

About the Role

We're looking for verification-focused engineers who take pride in validating complex embedded software that underpins life-critical systems. You'll be responsible for ensuring compliance with strict safety and quality standards across avionics, control systems, and mission-critical applications. The role will involve close collaboration with design, hardware, and QA teams to deliver rigorous test strategies across the entire development lifecycle.

You'll be based in Cardiff, working in a multidisciplinary team.

Key Responsibilities

• Define and execute verification and validation activities for embedded software

• Develop and maintain test plans, procedures, and reports in line with DO-178 or equivalent safety standards

• Perform static and dynamic analysis, including unit, integration, and system-level testing

• Support software reviews, audits, and certification efforts

• Collaborate with developers, systems engineers, and project managers to ensure end-to-end traceability

• Contribute to the continuous improvement of verification frameworks and tools
  
  

What You'll Need

• A degree in Software Engineering, Computer Science, Electronics, Mathematics, or similar - or equivalent industry experience

• A solid grasp of C or C++ codebases (understanding how to test/debug embedded software)

• Experience with embedded systems and familiarity with real-time environments (e.g. RTOS, VxWorks)

• Ideally, exposure to safety-critical standards such as DO-178, IEC 61508, or ISO 26262

• Knowledge of static analysis tools (e.g. LDRA, Polyspace) and test automation is a plus

• A mindset focused on quality, detail, and traceability
  
  

Why Join Us?

We've built a culture that blends the flexibility and focus of an agile firm with the stability and professionalism of a larger organisation. You'll join a growing team where your input shapes both projects and internal best practices - all while working on technically challenging and meaningful systems.

What We Offer

• Flexible working culture and excellent work-life balance

• Involvement in prestigious defence and aerospace projects

• Friendly, down-to-earth engineering team

• Clear progression opportunities and ongoing technical development

Lead Software Engineer

NP44 Cwmbran Town, Wales Mentmore Recruitment

Posted 19 days ago

Job Description

full time

Lead Software Engineer
Location: Wales - Hybrid - 1 day/week onsite
Salary: Up to 65,000 per annum
Job Type: Permanent

We're hiring a Lead Software Engineer to join an innovative company that's leading the way in network infrastructure monitoring through IoT technology. You'll play a key role in developing and maintaining a critical part of their digital product portfolio - working both hands-on with code and guiding a team of skilled engineers. This is a hybrid role requiring on-site collaboration once a week in Cwmbran, Wales.

In this role, you'll not only write high-quality code but also lead a cross-functional team, shape product direction in collaboration with the Head of Digital Products, and contribute to broader software architecture decisions. This is an excellent opportunity for someone who enjoys mentoring others while staying deeply involved in technical problem-solving.

Key Responsibilities

• Lead and mentor a cross-functional software development team, enhancing processes and supporting team success.
• Collaborate closely with the Head of Digital Products, Senior Tech Lead, and stakeholders to prioritise product features and ensure successful technical delivery.
• Design, develop, and maintain high-quality web and mobile applications using C# .NET, React, Azure, Git, and .NET MAUI.
• Continuously look for ways to improve the reliability, simplicity, and maintainability of systems - including recommending updates to the tech stack.
• Stay informed on industry trends and emerging technologies, assessing their relevance and potential impact.
• Identify and mitigate technical risks, and create strategies to manage technical debt.
• Foster a team culture of innovation, experimentation, and continuous learning.
• Contribute to architecture discussions and broader software development initiatives.
• Provide responsive support for urgent issues affecting system users.

What We're Looking For

Leadership Skills

Ideal for both experienced and first-time leaders, you'll need:

• Exceptional verbal and written communication skills
• Strong motivational and interpersonal abilities
• A calm, solution-focused approach to challenges
• Adaptability to shifting priorities in a dynamic environment
• Experience with agile methodologies and a good understanding of their benefits and trade-offs

Technical Skills

• 5+ years of software development experience
• Experience with both Linux/Unix and Windows environments
• Strong familiarity with Azure and cloud-based services
• Understanding of networking principles and IT security best practices
• Experience with always-on, always-available systems
• Willingness to explore and learn new technologies

Preferred Technical Stack Experience

• Full-stack development with C# .NET, React, Git, and CI/CD pipelines
• Experience with .NET MAUI for mobile app development is a plus
• Strong background in relational databases, particularly PostgreSQL
• 37.5-hour work week with flexible working options and core hours
• Minimum one day per week in the office (or as needed for delivery)
• 26 days of annual leave plus bank holidays (with the option to purchase additional days)
• Pension scheme, salary sacrifice car scheme, private health cover
• Parental leave policies and employee assistance programme