Senior Software Engineer Golang Kubernetes jobs in Cardiff – Browse 70 openings on RoboApply Jobs

Senior Software Engineer Golang Kubernetes jobs in Cardiff

Open roles matching “Senior Software Engineer Golang Kubernetes” with location signals for Cardiff. 70 active listings on RoboApply Jobs.

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companyRoku, Inc. logo
Full-time|On-site|Cardiff, United Kingdom

Teamwork makes the stream work. Roku is transforming the way the world enjoys televisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to empower every household with a connected television experience. We pioneered the streaming revolution and are committed to developing a platform that unites the entire television ecosystem. Our services connect viewers with their favorite content, enable content creators to engage larger audiences, and offer advertisers innovative ways to reach consumers.From day one at Roku, you will play a pivotal role in our journey. As a rapidly growing public company, we foster a culture where every voice is heard and every contribution is valued. Join us in delighting millions of TV streamers globally while gaining invaluable experience across diverse areas of expertise. Are you driven by the challenge of building scalable, high-performance systems capable of processing vast amounts of data? Do you excel at crafting and executing innovative solutions that enhance engineering teams' capabilities with actionable insights? Are you eager to drive the advancement of open-source observability at a grand scale? Become a part of our team to enhance (open source) observability tools and create new functionalities that empower teams to manage data efficiently and derive actionable insights. About the Team The Observability team, a crucial part of Roku's Cloud Technology Infrastructure organization, operates at the heart of our platform. We are a dynamic, high-performing global team that thrives on ownership, effective communication, and delivering impactful engineering solutions. O...

Mar 5, 2026
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companySpeechify logo
Full-time|On-site|Cardiff, United Kingdom

Company: Speechify Location: Cardiff, United Kingdom About Speechify Speechify helps people consume information in new ways. The platform turns web articles, cloud documents, and eBooks into audio, letting users listen wherever and whenever they want. As the company grows, Speechify continues to shape how audio information is delivered, much like streaming changed audio entertainment. Role Overview: Senior Software Engineer, Core Experiences The Core Experiences Team builds and maintains the key services and SDKs behind Speechify’s product experience. As a Senior Software Engineer, this role focuses on creating efficient APIs and systems that support multiple platforms and directly impact how users interact with Speechify. Main Responsibilities Work with Product Teams to define project scopes, improve processes for fast customer feedback, and solve integration and user experience challenges across different product lines using the cross-platform SDK. Optimize current features by reducing loading times and advancing parsing intelligence through new abstractions and algorithm improvements. Design and deploy cloud functions, lightweight backend services, and jobs, primarily using Kotlin.

Apr 20, 2026
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companyVeezu logo
Full-time|On-site|Cardiff HQ

Your role at Veezu:As a Senior Fullstack Engineer, you will be among the pioneering members of a newly established engineering team tasked with modernizing and enhancing Veezu’s technology infrastructure. Collaborating with a select group of seasoned engineers, you will have a direct impact on the design, architecture, and engineering culture of our systems.In this pivotal role, reporting directly to the VP of Engineering, you will possess substantial autonomy in shaping the technological direction of the company. Your efforts will significantly influence large-scale transformations across a high-volume platform that facilitates millions of rides weekly, greatly affecting our operations, marketing, support, and broader business divisions.About Veezu:Veezu stands as the UK's fastest-growing taxi and private hire technology enterprise, serving hundreds of towns and cities across the UK. We are a tech-centric on-demand mobility provider committed to empowering our vibrant local communities and driving their success.Your Responsibilities:Engage with a compact, highly-skilled engineering team to overhaul and modernize a complex, multi-language stack, including Elixir, C#, PHP, and contemporary platforms like TypeScript/Node.js.Assume ownership of substantial system components, enhancing architecture, reliability, and scalability.Work closely with cross-functional teams (Product, Operations, Marketing, Support) to ensure that technology choices drive positive business results.Contribute to fostering a team culture characterized by openness, curiosity, and effective communication.Establish the groundwork for a modern engineering platform that powers one of the UK’s largest mobility services.Play a vital role in recruiting and onboarding new team members as the team expands.Demonstrate a commitment to upholding our ISO27001 certification while setting high standards for Information Security compliance.Qualifications:Proven experience in developing and scaling products for millions of users, with a keen understanding of how technology influences business and customer outcomes.A strong product-oriented mindset coupled with the ability to make informed technical decisions that optimize impact.Exceptional coding skills, able to transition ideas from concept to production efficiently.Extensive senior-level software engineering experience, with demonstrated proficiency in multiple programming languages.

Sep 30, 2025
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companyRoku, Inc. logo
Internship|On-site|Cardiff, United Kingdom

Teamwork makes the stream work. Roku is redefining the way the world experiences televisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to power every television globally. We pioneered the streaming technology that connects viewers to the content they adore, facilitating content providers in reaching and monetizing large audiences, while offering advertisers unique methods to engage consumers.From day one at Roku, your contributions will be both significant and appreciated. We are a rapidly expanding public company where everyone plays a crucial role. Here, you will have the chance to bring joy to millions of TV streamers worldwide while acquiring valuable experience across diverse fields. About the Role the role Are you passionate about observability and keen to contribute to the advancement of Roku's innovative AI-driven observability platform? Are you excited to delve into the CNCF open-source landscape, exploring tools for metrics, logs, and tracing while investigating how AI and Large Language Models can transform observability workflows? If you are a problem-solver who enjoys collaboration and seeks innovative methods to enhance observability through intelligent automation, this role is for you. You will grow your skills while managing large-scale operations involving high-volume data and requests across multiple regions, leading the development of AI-enhanced observability solutions. If you're eager to learn at the intersection of observability and AI and make a real impact, we want to hear from you!

Mar 17, 2026
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companySpeechify logo
Full-time|Remote|Cardiff, United Kingdom

Speechify aims to remove reading barriers for learners everywhere. More than 50 million people use our text-to-speech tools to turn PDFs, books, Google Docs, news articles, and websites into audio. This helps users read faster, cover more material, and remember more. Our products include apps for iOS, Android, Mac, a Chrome extension, and a web app. Google named Speechify the Chrome Extension of the Year, and Apple awarded us the 2025 Design Award for Inclusivity. The Speechify team is fully remote, with nearly 200 people across the globe. Our group includes frontend and backend engineers, AI research scientists, and team members from companies like Amazon, Microsoft, and Google, as well as top PhD programs such as Stanford. Role Overview The Data team within Speechify’s AI division is looking for a Software Engineer focused on data infrastructure and acquisition. This position plays a key part in collecting and managing the large-scale datasets that power our model training. The team’s goal is to build high-quality datasets at petabyte scale and keep costs low by tightly integrating infrastructure, engineering, and research. What You Will Do Find and bring in new audio data sources for the ingestion pipeline. Maintain and grow the cloud infrastructure for data ingestion, currently on Google Cloud Platform (GCP) and managed with Terraform. Work with scientists to improve data cost, throughput, and quality, supporting the creation of advanced models. Partner with the AI team and company leadership to shape the dataset roadmap for future consumer and enterprise products. Location This role is based in Cardiff, United Kingdom.

Apr 20, 2026
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companyjobsforhumanity logo
Full-time|On-site|Cardiff

As a Senior Engineer at jobsforhumanity in Cardiff, this position centers on using technical expertise to help build solutions with real impact. The team values new ideas and aims to create products that matter. Role overview This role calls for strong engineering skills and a collaborative approach. The Senior Engineer will contribute to projects that support the company’s mission and help shape the direction of ongoing work. What you will do Apply technical knowledge to develop and improve solutions Work alongside colleagues to deliver projects with purpose Support efforts that drive positive change within the organization Requirements Experience in an engineering role at a senior level Ability to contribute ideas and technical insight to team projects

Apr 30, 2026
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companyAECOM logo
Full-time|On-site|Cardiff

Join our dynamic team at AECOM as a Senior Highways and Traffic Engineer, where you will play a pivotal role in shaping the future of transportation infrastructure. In this position, you will be responsible for leading the design and implementation of innovative highways and traffic management solutions. Your expertise will contribute to projects that enhance safety, efficiency, and sustainability in urban mobility.As a key member of our engineering team, you will collaborate with multidisciplinary professionals to deliver high-quality results. This role offers an exciting opportunity to work on a diverse range of projects, from large-scale urban developments to critical infrastructure upgrades.

Nov 12, 2025
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companyMonzo Bank logo
Full-time|Remote|Cardiff, London or Remote (UK)

Join Monzo as a Senior Staff Backend Engineer and play a pivotal role in building our innovative banking platform. You will collaborate with cross-functional teams, driving technical excellence and contributing to our mission of making money work for everyone. Utilize your expertise in backend technologies to enhance our systems, implementing scalable solutions that improve our customer experience.

Mar 24, 2026
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companySpeechify logo
Full-time|On-site|Cardiff, United Kingdom

Role overview Speechify seeks a Software Engineer to focus on iOS Core Product development in Cardiff, United Kingdom. This position centers on improving mobile applications that allow users to convert text into speech quickly and easily. What you will do Develop new features for the core iOS product and refine the overall user experience. Work to improve the app’s performance and reliability. Collaborate with engineers and other team members to deliver high-quality software. Team environment Work alongside professionals dedicated to building software that benefits users around the world.

Apr 25, 2026
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companyEsri logo
Full-time|On-site|Cardiff, UK

Join Esri as a C++ Software Engineer II, where you will contribute to the development of innovative ArcGIS Maps SDKs for Native Applications. Collaborate with a dynamic team of professionals in a fast-paced environment that fosters creativity and cutting-edge technology.

Apr 7, 2026
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companyVeezu logo
Full-time|On-site|Cardiff HQ

Your Role at Veezu:The Senior DevOps Engineer will be an essential addition to our engineering team, tasked with taking charge of, modernizing, and revolutionizing Veezu’s cloud infrastructure and deployment methodologies. You'll collaborate with a select group of highly experienced engineers, significantly influencing our platform architecture, system reliability, and engineering culture.Reporting directly to the VP of Engineering, this position offers substantial autonomy and ownership in steering the technical direction of our cloud strategy. You will spearhead efforts to unify our infrastructure, standardize our monitoring systems, and establish top-tier deployment pipelines. Your contributions will directly affect our capacity to innovate rapidly and will empower our product, operations, marketing, and support teams.About Veezu:Veezu is the UK's fastest-growing taxi and private hire technology firm, serving hundreds of towns and cities across the UK. We are a technology-driven, on-demand mobility service dedicated to supporting our local communities, enabling them to thrive and beyond!Key Responsibilities:Lead a transformative initiative to consolidate our deployment platforms (from Heroku, Vercel, AWS) into a cohesive, modern, and simplified infrastructure on Microsoft Azure.Assume ownership of our cloud infrastructure, enhancing architecture, reliability, security, scalability, and cost-effectiveness for a platform managing millions of requests each hour.Design, construct, and maintain robust CI/CD pipelines, enabling the engineering team to deliver features more efficiently and securely.Define and execute a standardized monitoring and observability stack to ensure system health and provide rapid incident response.Promote and actively participate in cultivating a team culture of automation, transparency, curiosity, and strong communication.Establish the groundwork for a modern engineering platform powering one of the UK's largest mobility services.Play a pivotal role in recruiting and onboarding future team members as the team expands.Commit to upholding our ISO27001 certification and set high standards for Information Security compliance.Required Qualifications:Expertise in Infrastructure as Code with Terraform is essential.Extensive experience in designing, building, and scaling resilient cloud infrastructures...

Feb 26, 2026
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companyMonzo Bank Ltd. logo
Full-time|Remote|Cardiff, London or Remote (UK)

Join Monzo Bank as a Senior Analytics Engineering Manager, where you will lead a dynamic team of analytics professionals in transforming data into actionable insights. You will play a pivotal role in shaping our analytics strategy, driving innovation, and ensuring our data architecture meets the evolving needs of our organization. This is an exciting opportunity for an individual passionate about data and analytics leadership.

Apr 3, 2026
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company
Full-time|Hybrid|Cardiff, Wales, United Kingdom

Join us at Engine by Starling, where we are excited to partner with forward-thinking banks globally, empowering them to establish high-growth businesses using our cutting-edge technology.Engine operates as Starling's innovative software-as-a-service (SaaS) division, developed to fuel Starling's growth. Recently, we have transitioned into an independent entity, continuing to deliver exceptional software solutions.Starling has achieved remarkable success, largely due to our proprietary technology developed from the ground up. This robust SaaS platform is now accessible to banks and financial institutions worldwide, allowing them to leverage the pioneering digital features and streamlined back-office operations that have contributed to Starling's achievements.Our engineering team is the heartbeat of Engine, thriving in a dynamic environment focused on creation, innovation, and disruptive technology that keeps us at the forefront of the fintech landscape. We foster a flat organizational structure that empowers you to make impactful decisions, regardless of your role. Collaboration and support are woven into our culture, ensuring you're never alone on this journey!To excel at Engine, we seek proactive individuals who take ownership of their responsibilities—from development and design to knowledge sharing and optimizing processes for superior customer outcomes. Our core values—Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness—guide our mission.Hybrid WorkingWe embrace a hybrid working approach at Engine, preferring candidates who can commute to our Cardiff office for collaborative in-person interactions.About Engineering at Engine by Starling - Explore our engineering careers

Nov 10, 2025
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companyMonzo logo
Remote|Remote|Cardiff, London or Remote (UK)

Join us at Monzo on our mission to revolutionize banking and make money accessible for everyone! We are moving away from the complexities of traditional banking and have transformed our offerings significantly over the past decade. From our origins as a prepaid card, Monzo now provides a diverse range of services including personal and business bank accounts, joint accounts, accounts for 16-17 year-olds, free kids accounts, and credit cards. Our users can also save, invest, and manage their pensions all in one place. With our vibrant hot coral cards and innovative features, such as early salary access, coupled with our award-winning customer service and financial education initiatives, we are dedicated to creating extraordinary experiences for our customers. If you're passionate about solving problems and making a positive impact, we would love to have you on our team!

Feb 2, 2026
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companyMonzo logo
Remote|Remote|Cardiff, London or Remote (UK); London

Join us on our mission to revolutionize banking for all! At Monzo, we are transforming the traditional banking experience into one that is intuitive and user-friendly. Over the past decade, we've expanded our offerings from a prepaid card to a comprehensive suite of banking products, including personal and business accounts, joint accounts, youth accounts for ages 16-17, free kids accounts, and credit cards. Our innovative features, such as early payday and financial education through social media, have led to countless magical moments for our customers. We believe in solving real problems and improving lives through Monzo Location: Cardiff, London, or Remote (UK) | Salary: £95,000 - £130,000 + stock options + [Benefits](https://monzo.com/careers/) **About the Machine Learning Platform Engineering Team at Monzo:** The Platform Collective is dedicated to building and maintaining the infrastructure, tools, and processes that empower Monzo's tech teams to thrive. Our Machine Learning Platform team plays a vital role in designing, developing, and sustaining the infrastructure and tools that enable our teams to train, evaluate, deploy, and manage Machine Learning models and features effectively at scale. We are a group of backend engineers passionate about machine learning, collaborating closely with ML teams to identify their needs and develop elegantly simple solutions.

Feb 2, 2026
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companydev2 logo
Full-time|On-site|Cardiff

Join Our Team as the Head of EngineeringAt dev2, we are seeking a dynamic and experienced leader to oversee our engineering department. As the Head of Engineering, you will play a pivotal role in shaping our technical strategy, ensuring the successful delivery of projects, and fostering a culture of innovation and collaboration within the team.Your expertise will guide our engineering practices, drive the implementation of best practices, and mentor our talented engineers to excel in their roles. If you have a passion for technology and leadership, we want to hear from you!

Jan 23, 2023
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companyMonzo logo
Full-time|£135K/yr - £184K/yr|Remote|Cardiff, London or Remote (UK)

Join our mission to revolutionize banking for everyone!At Monzo, we are bidding farewell to the complexities of traditional banking.Initially launched as a prepaid card, our product suite has expanded significantly over the last decade in the UK. We now offer a range of accounts including personal, business, joint accounts, accounts for 16-17 year olds, a free kids account, and credit cards, with even more exciting features on the horizon. Our UK customers can also save, invest, and manage their pensions with us.With our vibrant coral cards and innovative features like get-paid-early, alongside our comprehensive financial education initiatives on social media and award-winning customer service, we have a rich history of creating delightful experiences for our customers!We are not just about selling products; we aim to solve problems and transform lives through Monzo London / UK Remote | £135,000 - £184,000 + Share Options | Benefits | TechnologySenior Staff Engineer: L70 on our Engineering Progression FrameworkAbout our Engineering Teams:We have approximately 450 engineers out of a total of 5,000 employees, and our ambitions are substantial. There are numerous intriguing challenges ahead, and we encourage team mobility or specialization based on your preference. As an engineer at Monzo, you will have the opportunity to collaborate across the company, and we host regular knowledge-sharing sessions to enhance your understanding of banking operations and effective communication.We actively contribute to open source software and are committed to maintaining a collaborative and innovative engineering culture.

Feb 13, 2026
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companySINGU logo
Full-time|Remote|Cardiff

About SINGUAt SINGU, we are revolutionizing the operational landscape for the world’s most ambitious real estate companies. Our goal is to establish ourselves as Europe’s premier platform for managing warehouse, logistics, retail, and multi-site commercial real estate portfolios, empowering our clients to safeguard revenue, enhance operational efficiency, and unlock new value across their business spectrum.Our unified CAFM platform currently drives the daily operations of over 250 million m² of real estate globally, supporting more than 500,000 professionals. Following our merger with the UK’s Micad and Germany’s net-haus, we now manage over 100,000 buildings across 35+ countries — and this is just the beginning.With backing from a leading growth equity investor, we are rapidly scaling and collaborating with global leaders such as Prologis, ECE, CTP, Hillwood, Logicor, GLP, and Unibail-Rodamco-Westfield. As we expand through strategic acquisitions and pioneering innovations, we remain committed to our core values: adaptability, collaboration, and client focus.If you're eager to contribute to the development of Europe’s leading platform for property operations and make a significant impact on the real estate industry, join SINGU and be a part of this transformation.About the RoleWe are in search of a motivated Software Implementation Coordinator to join our Customer Experience team, focusing on the Micad Pro platform. The ideal candidate will take complete ownership of outcomes, not merely tasks, thriving in a dynamic, customer-oriented environment.This role is not for those who prefer to follow a script. You will manage individual implementations from start to finish, contribute to complex enterprise rollouts, and be expected to strategically consider how we deliver value to our customers rather than just executing tasks.This presents a fantastic development opportunity for someone with a strong foundation in software implementations who is ready to take on more responsibility and grow rapidly within a scaling business.

Mar 31, 2026
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companyMonzo logo
Full-time|£76.5K/yr - £95K/yr|Remote|Cardiff, London or Remote (UK)

Join us in revolutionizing banking for everyone.At Monzo, we are dedicated to transforming the traditional banking experience into something simple and accessible. Over the past decade, we've evolved from a prepaid card into a comprehensive financial platform. Our offerings now include personal and business bank accounts, joint accounts, accounts for teens, a kids account, and credit cards. We also empower our UK users to save, invest, and manage their pensions with us.With our signature hot coral cards, early payment features, and award-winning customer service, we pride ourselves on creating remarkable experiences for our customers. We aim to resolve issues and enhance lives through Monzo London/Cardiff/UK Remote | £76,500-£95,000 + Benefits | Hear from the team Analytics Engineering at MonzoWe employ around 60 Analytics Engineers among 300 data practitioners and have ambitious goals for our team. As an Analytics Engineer, you'll play a crucial role in enhancing our data infrastructure to facilitate swift, informed decision-making at Monzo.

Feb 17, 2026
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company
Full-time|Hybrid|Cardiff, Wales, United Kingdom

Join us at Engine by Starling, where we are committed to collaborating with top banks globally, helping them leverage our innovative technology for rapid growth.Engine, Starling's software-as-a-service (SaaS) division, was established to deliver the cutting-edge technology powering Starling, and has since evolved into a standalone entity. Our exceptional growth trajectory is a testament to the robust, modern technology we've engineered from the ground up.As a leader in the industry, we offer our SaaS platform to banks and financial institutions worldwide, empowering them with innovative digital features and streamlined back-office processes that have fueled our own success.At Engine, everyone is encouraged to contribute to delivering exceptional outcomes for our clients. As an engineering-focused organization, we are seeking passionate individuals who are excited about the transformative potential of our technology in banking across diverse markets. Our core values guide us: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness.Hybrid Working ModelWe embrace a hybrid working approach, favoring candidates who are within a commutable distance to one of our offices, fostering in-person collaboration.About Our Engineering TeamThe Cross Cutting Engineering team is the driving force behind our innovation. We focus on creating and maintaining reliable, scalable, and maintainable infrastructure and tools for our software delivery pipeline, from initial code to seamless production deployment and ongoing operations. We tackle complex challenges with a first-principles mindset in a multidisciplinary environment that encourages exploration and contribution across the platform.As a Platform Engineer, you’ll play a pivotal role in building and scaling our state-of-the-art cloud-native banking platform across various global cloud providers and regions. We are seeking engineers with a strong SRE mindset who take ownership of the complete software delivery pipeline and are passionate about developing internal tools that empower our technology teams to operate their applications flawlessly in production.If you don't meet every criterion listed, don't worry! We value curiosity, a willingness to learn, and a desire to engage across multiple disciplines. If you are eager to face the challenges of building and operating a global, cloud-native platform, we would love to hear from you!

May 16, 2025

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