Developer startup jobs in Cardiff

 ...backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies What You’ll Do Lead the design, architecture, and... 

 ...Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own...  ...to complete them within 1 week.  What Yo u’ ll Do Design, develop, and maintain robust APIs including public TTS API, internal APIs... 

 ...backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview With the growth of our iOS app, being the #18... 

 ...Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own...  ...Engineers to ensure a seamless handoff from sale to onboarding Develop GTM playbooks, messaging, and outbound strategies to help SIMBA... 

 ...permanently in the UK for the last five years. Responsibilities: We lead and support a team of software engineers. We design, develop and test bespoke software solutions. We provide technical direction and communicate clearly with clients. We produce solution... 

 ...the threat landscape, proactively identifying vulnerabilities and architecting technical solutions to fortify our global ecosystem. Develop and maintain comprehensive technical playbooks and runbooks to standardise vulnerability triage, remediation, and incident response... 

DevOps Engineer - 9 Month Contract - Remote / Cardiff VIQU have partnered with an NHS organisation who are looking for a DevOps Engineer to support the development and improvement of their Azure-based platform and application delivery environment. This is a hands on DevOps...

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with the...

 ...development, this role offers the chance to be part of something new and make a meaningful contribution from day one. Role Overview AI Developers build the AI products on Proxima's Azure-based platform. The role is full stack with AI-first thinking - front-end, back-end,... 

 ...Senior Java Developer with a focus on Agentic Coding IntaPeople are working exclusively with a fintech scaleup in Cardiff and require a Senior Java Engineer with experience of agentic cofing join a new team.  This is a hybrid role with 3 days per week in the Cardiff office... 

 ...below experience or knowledge: Delivering change to critical systems in a distributed environment Be a highly proficient developer, maintaining a high standard for technical and coding excellence in the collective, through your own work Good understanding of... 

 ...Salary: £60,000 - 68,000 per year Requirements: Strong commercial experience developing applications using Java and Spring Boot. Experience designing and delivering complex software solutions. Strong knowledge of relational databases, ideally PostgreSQL. Experience... 

 ...obtain SC clearance for this role. Interested? Please apply below. Lead Software Engineer, Senior Software Engineer, Python Developer, Django Developer, Backend Engineer, Full Stack Engineer, Software Architect, GDS, Agile, System Design, Government, Public Sector,... 

 ...engineering. We’re looking for an established Senior Engineer who coaches and mentors’ juniors and mid-level engineers, helping them develop their skills to progress within their careers.  You'll take on challenging problems your team faces, including designing solutions... 

 ...You’ll also be working closely with other Android engineers with a variety of experience levels and interests, helping us improve and develop our Android app, CI automations and tooling. You’ll be committing, reviewing and shipping new code right from the first week!... 

 ...Build and deploy production AI applications using large language models (LLMs) Design agentic workflows and multi-step AI pipelines Develop scalable backend APIs and cloud-native services Create Retrieval Augmented Generation (RAG) pipelines, embeddings, and AI... 

 ...SwiftFormat, SwiftLint and Danger - to enforce high code quality standards. Etc. We also built in-house tools and frameworks as developer productivity and automation is paramount to us. We are looking for iOS engineers to work on these apps who: Want to work on... 

 ...is ideal. Experience or understanding of a highly regulated industry will be beneficial. We want someone who is hungry to keep developing their skills, learning new things and collaborating with the wider team. An interest in GenAI is desirable. Responsibilities:... 

 ...development programme, suited to individual needs Part of a successful international organization, this high-tech manufacturer has developed an enviable reputation for product quality and innovation. They are currently undertaking their next phase of recruitment and are... 

We're partnering with a global organisation currently investing heavily in its enterprise technology landscape and SAP transformation programme. This is an excellent opportunity for an experienced SAP Consultant to join a growing international IT team supporting mission-critical...

Salary: £53,000 - 93,000 per year Requirements: We require a minimum of 10 years of hands-on SAP PM / EAM consulting experience within complex, global enterprise landscapes. We require deep, expert-level knowledge of Aerospace MRO processes, including line and base maintenance...

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with ...

Starling is the UK’s first and leading digital bank on a mission to fix banking! Our vision is fast technology, fair service, and honest values. All at the tap of a phone, all the time. Starling is the UK’s first and leading digital bank on a mission to fix banking! We...

 ...protecting data and network communications  Awareness of mobile threat landscape such as malware and remote access  Experience with developing security integrations by interacting with APIs. Ability and willingness to learn new technologies and adapt to evolving security... 

 ...adoption initiatives using the Microsoft Cloud Adoption Framework. Design and implement scalable, secure Azure cloud solutions. Develop and maintain Infrastructure as Code using Terraform. Support CI/CD pipelines and cloud deployment automation. Work closely with... 

 ...marathon running, snowboarding to chess and hiking and climbing; However, what we do have in common are our values: Teamwork Merit Develop Honest Impactful Integrity They may look like corporate jargon, but they mean something to us. If you can relate to the... 

Salary: £35,000 - 35,000 per year Requirements: Experience within Application Support or Software Support Strong technical troubleshooting and problem-solving skills Experience investigating complex application issues through to resolution Writing ad-hoc and complex...

 ...technical investigations and major incident recovery. Drive automation to reduce manual processes and improve operational efficiency. Develop and maintain monitoring, observability and alerting using tools such as Grafana. Coordinate the day-to-day priorities of our... 

 ...culture, and career progression opportunities. If you are looking for a role where you can make a real impact, solve complex technical challenges, and develop your career within a growing technology business, we would love to hear from you. last updated 33 week of 2026...