18 of 18 Senior Software Engineer Jobs in Cardiff

About the Role Aforza is looking for a Senior Software Engineer to join our Cloud Platforms engineering team, where you will be working with a friendly team of highly talented engineers building out Aforza’s industry-leading cloud solutions. In this role, you’ll be building the backend of our Aforza Studio product, an advanced Digital Asset … the heart of Cardiff city centre Our Interview Process A 30 min intro call with an Engineering Manager A 1-2 hour interview with an Engineering Manager and a senior engineer. This will either be in person in our Cardiff office or remote over Google Meet. We will ask you questions on your experience and history and dive into More ❯

and continues to innovate and lead the industry. While we are well-positioned to help shape the future of television and streaming media worldwide, continued success stems from experienced software engineers like you developing core features for the Roku platform. Our new Senior Software Engineer will be contributing extensively to our container orchestrated platform, bringing together … technologies to develop a truly scalable and robust solution. To be successful you’ll need extensive experience of building reliable and scalable cloud-based solutions, a strong background in software engineering and an appetite to keep on top of modern software practices. This is a great role for a senior professional who enjoys a high level of … you’ll be doing Design, develop and deliver high-quality web applications and back-end services. Work as a part of a high functioning team consisting of UX designers, software engineers, dev-ops, quality assurance and product management. Work both independently and paired with other team members to ensure efficient delivery of prioritised features. Take part in the planning More ❯

Mid/Senior Software Engineer - Full Stack (React/TypeScript/Node.js) Cardiff/Remote (UK only) Aforza aims to transform the lives of every consumer on the planet by helping the world’s best Consumer Goods companies become more agile, efficient, productive, and sustainable. We do this by introducing never-before-seen capabilities, including 'Active' Customer … moving company. We recognise the exceptional talent we are lucky to have in our team and reward them accordingly. About the Role Aforza is looking for a Mid to Senior Software Engineer to join our Cloud Platforms engineering team, located in Cardiff, where you will be working with a friendly team of highly talented engineers building out … s pull requests Take part in all aspects of SCRUM, including sprint planning, reviews, retros and backlog estimation What We’re Looking For We’re looking for an experienced Software Engineer who is now looking to embark on a new challenge with an amazing team of engineers. Ideally you are someone who has: Strong frontend development experience building More ❯

is critical to support and grow Roku's rapidly expanding ad business. It is the mission of the Ad Engineering Team to build this platform. We are hiring a Senior Software Engineer, Advertising Platform, to be a vital part of this mission. If you bring extensive experience building complex systems, love great technology at scale, enjoy mentoring … non-technical audiences Be an evangelist for best practices across all functions - developers, QA, and infrastructure/ops Be an evangelist for platform innovation and reuse Deliver top-quality software in a timely fashion We're excited if you have 10+ years of experience building large scale and low latency distributed systems Command of Java, C++ or Go/ More ❯

looking for people who want to work on building the tooling that is used by our engineers on a daily basis. Requirements We prioritize aptitude and attitude, seeking passionate software engineers who are self-driven in ambiguous situations and committed to crafting elegant solutions for complex technical challenges. For the most part we code in Java, but you need … developed in-house, predominantly in Java, with a minimalistic approach to third-party software. We believe in simple solutions adhering to Clean Code principles that promote maintainable and extensible software, automated testing and Continuous Integration & Delivery. Experience on distributed systems with a focus on resiliency and maintainability is highly valued. We're looking for engineers with at least 6+ More ❯

Social network you want to login/join with: Senior Software Engineer - AI Product Company - FULLY REMOTE IN UK - £125k - TypeScript/Python/React/AWS/GenAI, cardiff col-narrow-left Client: Opus Recruitment Solutions Location: cardiff, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 26.06.2025 … Expiry Date: 10.08.2025 col-wide Job Description: I’m supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! This is a seriously tech-driven product company that puts a huge emphasis on engineering excellence , innovation , and building something that genuinely helps users … . They’re solving complex problems in the FinTech + AI space, and as a Senior Software Engineer, you’ll play a key role in shaping the product and the tech behind it. You’ll work closely with the CTO and be deeply involved in: Defining architecture and making key technical decisions Leading on project delivery and More ❯

is critical to support and grow Roku's rapidly expanding ad business. It is the mission of the Ad Engineering Team to build this platform. We are hiring a Senior Software Engineer, Advertising Platform, to be a vital part of this mission. If you bring extensive experience building complex systems, love great technology at scale, enjoy mentoring … non-technical audiences Be an evangelist for best practices across all functions – developers, QA, and infrastructure/ops Be an evangelist for platform innovation and reuse Deliver top-quality software in a timely fashion We're excited if you have 10+ years of experience building large scale and low latency distributed systems Command of Java or C++ Solid understanding More ❯

Job title: Java Microservices Developer Work mode: Hybrid 3 days If the role is hybrid/office based specify location: Cardiff Duration of assignment: 6 Months Role description: We are seeking a talented Java Microservices developer to join our team More ❯

Our client is a leading provider of Network Security solutions specializing in automatic detection and mitigation, network visibility, analytics, and reporting tools. About the Role Are you a seasoned software engineer with a passion for designing and developing cloud-native Infrastructure-as-Code (IaC) solutions from the ground up? Our client is seeking a talented and motivated Senior Software Engineer to lead the development of our next-generation observability platform. THIS IS NOT A DEVOPS ROLE. Responsibilities Collaborate within a dynamic software engineering team to architect and build a new cloud-native IaC platform. Develop software using technologies such as Docker Compose, Terraform, Kubernetes (K8s), Python, and Go. Provision and orchestrate open-source … portable to other public cloud or on-premises setups. Engage in the full development lifecycle: design, define work, document, debate, code, debug, and support features from inception. Qualifications A software developer experienced in designing and delivering complex IaC capabilities from scratch, not merely operating existing environments. A background in developing cloud-native systems software within SaaS organisations. Demonstrated More ❯

Mid/Senior Software Engineer - Salesforce Cardiff/Remote (UK only) Aforza aims to transform the lives of every consumer on the planet by helping the world’s best Consumer Goods companies become more agile, efficient, productive, and sustainable. We do this by introducing never-before-seen capabilities, including 'Active' Customer Segmentation, Real-Time Promotion Execution and … moving company. We recognise the exceptional talent we are lucky to have in our team and reward them accordingly. About the Role Aforza is looking for a Mid to Senior Software Engineer to join our Salesforce engineering team, located in Cardiff, where you will be working with a friendly team of highly talented engineers building out Aforza … s pull requests Take part in all aspects of SCRUM, including sprint planning, reviews, retros and backlog estimation What We Are Looking For We’re looking for an experienced Software Engineer who is now looking to embark on a new challenge with an amazing team of engineers. Ideally you are someone who has: Experience with Salesforce technologies Ideally More ❯

deployment, helping to shape the business for the future? This role may be for you. We are currently working with a global fintech partner who are looking for a Senior Software Engineer to join the team who on one side would be comfortable in leading daily and big weekly sprints getting to the heart of the issues … comfortable putting on a pair of headphones and cracking on with deployment code into a cloud environment. The team themselves are highly collaborative and will consist of 2 other senior engineers and a handful of mid level and junior developers who would love to learn off the back of your own experiences. Responsibilities Writing clean, high-quality, high-performance … maintainable code Providing clear guidance to colleagues on best practice. Develop and support software including applications, database integration, interfaces, and new functionality enhancements Coordinate cross-functionally to insure project meets business objectives and compliance standards Identify and resolve performance bottlenecks with the optimization of cloud resources. Support test and deployment of new products and features Participate in code reviews More ❯

rapidly becoming the platform of choice for Oracle SaaS workloads, backs the API Gateway for serving customer applications, as well as supporting Data Science processing use cases. The Positions Senior Software Engineer As we expand and grow our team, we are seeking engineers with varying levels of experience. Those who are starting their career with us will … have a hunger and passion for learning. Those who join us with more experience will have diverse skills across programming, networking, storage, internet protocols and operating systems. An engineer at any level can have significant technical and business impact. As a member of our diverse and skilled teams, you will have the opportunity to solve and design solutions to … a typical day, you will be working as part of a small, focused, agile team and could be doing one or more of the following: Programming, testing and operating software at the heart of OCI. You might be: Writing backend code in Java, Python, Go Lang or another modern programming language. Working with containerisation and virtualisation technologies such as More ❯

Job Title: Senior Software Engineer Salary: £70,929 - £78,810 Location: Newport or Cardiff Hours: Full-time Working Pattern: Our work style is hybrid, which involves spending at least two days per week currently, or 40% of our time, at our Newport or Cardiff Office. About us... Like the modern Britain we serve, we’re evolving. Investing … we meet the ever-changing needs of our 26 million customers. We’re growing with purpose. Join us on our journey and you will too... About this opportunity As Senior Software Engineer, you’ll bring your deep technical expertise to the table, driving technical development and delivery in key areas. You’ll focus to solving complex challenges … with your specialised knowledge taking ownership of critical tech delivery within your team. In this role, you’ll lead way in shaping the direction of our software solutions, using your expertise to make impactful decisions and drive success. You’ll collaborate closely with the team and product owner to ensure delivery excellence. If you’re someone who thrives on More ❯

Job Title: Senior Embedded Software Engineer Location : Cardiff Working Arrangement : On-Site 4 Days Per Week Key Experience/Skills: - Knowledge of C, RTOS - Knowledge of communication protocols - Knowledge of UART, SPI, I2C -C++ programming experience is desirable - Experience working within a team taking a product from concept through to production Education: Degree in Software Engineering More ❯

Social network you want to login/join with: Senior Software Engineer - TS, React, Next.js, Node, cardiff col-narrow-left Client: Oliver Bernard Location: cardiff, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 col-wide Job Description: Senior Software Engineer - TS … React, Next.js, Node Up to £110k Would you like the opportunity to work for a fast-growing start-up, currently looking for several Senior Fullstack TypeScript Engineers? You will be joining a dynamic product team, where you will be building great software and diving into the world of AI. The company is committed to providing a seamless experience … for both customers and internal teams. You will work within a unified codebase that drives their B2B software and custom AI. As a Senior Software Engineer, you will be working across their stack using TypeScript, React, Next.js, Node.js, and LLMs. Core requirements: Commercial experience with their stack TypeScript, React, Next.js and Node.js Strong expertise in designing More ❯

Role: Contract Senior Embedded Software Engineer. Rate: 60phr + VAT, outside IR35 Duration : 6 months Location: Cardiff Supporting a renewable energy technology company, with offices in Cardiff, we are looking for a contract senior embedded software engineer. This is an opportunity to join a team in process of growing and broadening their skills. This team has … talented electronics, embedded and IT team in place. You would work on real world, products which make a big difference to their global customers. Key Experience & Responsibilities: - Embedded C++ Software Development - STL - Object Orientated Programming - Embedded Linux - RTOS - Work with existing libraries of programme - Unit & System Testing - Undertake & Complete all relevant Project/Product documentation Desirable: Full product lifecycle … experience Testing and debugging Education: - Degree in a relevant area such as Software or Electronic Engineering If interested, please send across an updated CV. More ❯

Social network you want to login/join with: Senior Software Engineer - AI, Next.js - £110k, cardiff col-narrow-left Client: Oliver Bernard Location: cardiff, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 12 Posted: 06.06.2025 Expiry Date: 21.07.2025 col-wide Job Description: Senior Software Engineer - AI, Next.js … Fully Remote - Remote UK Our client is a forward-thinking AI start-up dedicated to building innovative software solutions powered by cutting-edge AI technologies. Their mission is to revolutionise the B2B software landscape by integrating advanced Large Language Models (LLMs) into seamless, user-centric experiences. They are looking for talented Software Engineers to join their dynamic … team and be part of the AI-driven transformation in the tech industry. About the Role As a Senior Software Engineer, you will be an integral part of their product team, working within a unified codebase that powers their B2B software and custom AI modules. Your role will encompass the entire feature lifecycle, from initial design More ❯

Time left to apply: End Date: July 11, 2025 (12 days left to apply) End Date Thursday 10 July 2025 Salary Range £70,929 - £106,394 We support flexible working Click here for more information on flexible working options Flexible More ❯