FullStack Engineer
On site
London, United Kingdom
Full Time
13-03-2025
Job Specifications
About The Job You’re Considering
We are seeking a highly skilled and experienced Full Stack JavaScript Developer to join our Experience Engineering team. In this role, you will lead the development of innovative web and mobile applications, ensuring high performance, scalability, and maintainability. You will work closely with cross-functional teams to deliver engaging solutions that meet our clients' needs.
Your role
Are you someone who could:
Provide technical leadership and mentorship to a team of developers, guiding them through best practices and ensuring high-quality code.
Design, develop, and maintain both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js.
Collaborate with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems.
Lead and participate in agile development processes, including sprint planning, daily stand-ups, and retrospectives.
Conduct thorough code reviews to ensure code quality, performance, and adherence to best practices.
Continuously improve our teams’ development processes, tools, and techniques to enhance productivity and product quality.
Work closely with clients and internal teams to understand requirements, provide technical guidance, and deliver solutions that exceed expectations.
Stay up to date with the latest industry trends and technologies, and drive continuous learning and innovation within the team.
Preferred Experience
Your skills and experience
Proven experience in full stack JavaScript development, with a strong focus on Node.js and server-side development.
Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js)
Expertise in at least one modern front-end framework (Nest.js, Remix.js).
A track record in a lead or senior developer role, with experience of mentoring and guiding development teams.
Proficiency in HTML5, CSS3, and JavaScript (ES6+).
Experience with TypeScript and modern development tools and practices.
Experience of Test Driven or Behaviour Driven Development.
Knowledge of Cloud-Native development and serverless architectures (AWS, Azure, Google Cloud).
Familiarity with CI/CD pipelines and DevOps practices.
Experience with version control systems (Git).
Understanding of web standards, accessibility, performance and development best practice.
Excellent problem-solving skills and the ability to think critically and creatively.
Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and clients.
Desirable Experience
Experience with headless CMS platforms such as Contentful.
Experience of modern tooling such as Vite, Vitest
Familiarity with microservices architecture and API development (REST, GraphQL).
Working with NoSQL MongoDB or SQL databases such as Postgres.
Experience with mobile app development using React Native.
Knowledge of UI component libraries like Material UI, and tools such as Figma and Storybook.
Your Security Clearance
Security Check (SC) Clearance
To be successfully appointed to this role, it is a requirement to obtain Security Check (SC) clearance.
To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years, along with other criteria and requirements.
Throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality.
Some posts are restricted to sole UK Nationals for security reasons; therefore, you may be asked about your citizenship in the application process.
What does ‘Get The Future You Want ‘ mean for you?
You will be empowered to explore, innovate, and progress. You will benefit from Capgemini’s ‘learning for life’ mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard ManageMentor, Cybersecurity qualifications and much more.
You’ll be bringing your unique skills and perspectives to the team, inspiring and taking inspiration from your teammates as you unlock value in everything you do. You’ll be joining a professional community of experts, who have got your back and will support you, every step of the way.
Why you should consider Capgemini
Growing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.
About Capgemini
Capgemini is a global business and technology transformation partner, helping organisations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fuelled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2024 global revenues of €22.1 billion.
Get The Future You Want | www.capgemini.com
About the Company
Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leverag... Know more
Related Jobs
- Company Name
- FuseMetrix Group Ltd
- Job Title
- Senior PHP Developer
- Job Description
- Senior PHP Developer Location: Milton Keynes Salary: Competitive, based on experience About FuseMetrix Group FuseMetrix Group is a leading provider of cloud-based business management solutions, empowering companies to streamline operations and drive growth. Our all-in-one platform integrates CRM, ERP, ticketing, finance, and more, helping businesses in various industries achieve efficiency and scalability. As we continue to expand, we are looking for a highly skilled Senior PHP Developer to join our dynamic team. The Role As a Senior PHP Developer, you will play a key role in designing, developing, and maintaining our core SaaS platform. You will work closely with a team of talented developers, product managers, and stakeholders to enhance system functionality and ensure a seamless user experience. This role is ideal for someone who thrives in a fast-paced environment, enjoys solving complex technical challenges, and is passionate about building scalable web applications. Key Responsibilities Develop, test, and maintain high-quality PHP applications within our FuseMetrix platform. Architect and implement new features, ensuring performance, scalability, and security best practices. Work with front-end developers, designers, and product teams to enhance user experience. Optimize database queries and ensure efficient data management. Participate in code reviews and mentor junior developers. Troubleshoot and resolve software defects and performance issues. Stay up-to-date with the latest technologies, frameworks, and industry trends. Required Skills & Experience 5+ years of experience in PHP development. Experience with MySQL. Strong understanding of RESTful APIs and integration with third-party services. Knowledge of front-end technologies (JavaScript, HTML, CSS, JQuery). Familiarity with cloud environments (AWS, Azure, or Google Cloud) is desirable. Ability to write clean, maintainable, and efficient code. Strong problem-solving skills and attention to detail. Excellent communication and teamwork skills. Why Join FuseMetrix Group? Work on a cutting-edge SaaS platform used by many household names worldwide. Join a collaborative, innovative, and friendly team. Career growth opportunities and continuous learning. Competitive salary and benefits package.
- Company Name
- Excelcare
- Job Title
- Junior IT Support Engineer
- Job Description
- Location: Bromley Salary: Up to £30K Requirements: Full Driving License Are you an IT professional with at least two years of experience looking to develop your skills in a hands-on role? This is a great opportunity to join a growing IT team and gain valuable experience working across multiple locations, supporting key IT infrastructure and end-user systems. Join us as a Junior IT Support Engineer, providing onsite and remote support to over 3,000 users across Cambridge, Essex, Milton Keynes and London locations. You will play an important role in ensuring seamless IT operations while also supporting our wider digital transformation program. In the first 6 to 12 months, you will be working on telephony project, assisting with administrative tasks, replacing equipment, installing new switches and patching out comms cabinets, working alongside senior engineers. This is a full-time position, Monday to Friday, with a salary of up to £30K, depending on experience. Your key responsibilities will include providing onsite IT support, troubleshooting hardware and software issues, and assisting with setting up and configuring IT equipment. You will work across different sites, installing and maintaining PCs, laptops, printers, mobile devices, and networking hardware. You will also support Windows 10/11, Microsoft 365. To succeed in this role, you should have at least two years of experience in an IT support or field-based role, with a strong understanding of Windows OS, Microsoft Office, and computer hardware. Experience with network switches and VoIP phones would be a great advantage. Strong problem-solving skills, excellent customer service, and good communication are essential. As this is a field-based role, a full UK driving licence is required, along with a willingness to travel between locations to provide onsite support. If you are a motivated IT professional looking for a hands-on role with great development opportunities, we would love to hear from you. Apply now and take the next step in your IT career. To apply: Please submit your CV and a brief cover letter highlighting your relevant experience and how it aligns with the role. We look forward to reviewing your application and potentially welcoming you to our team! What We Offer In Return For Your Hard Work 25 days holiday plus bank holidays Comprehensive induction program Contributory Pension Scheme DBS Certificate paid for by Excelcare Free learning and development Annual Salary Review Employee of the month - £100 for outstanding contribution Staff Appreciation Days Long service awards Working within a great, friendly team and organization Regular team lunches and company events The opportunity to enhance your existing skills and learn many new ones Remote working
- Company Name
- Ambition
- Job Title
- C++ Developer (HFT)
- Job Description
- Job Description Our client is a leading proprietary trading firm, and they are seeking a talented HFT C++ Software Engineer to join their dynamic team in Singapore. This is an exciting opportunity to work at the heart of the financial markets and leverage cutting-edge technology to optimize trading operations in a fast-paced, high-stakes environment. Requirements Bachelor's degree in Computer Science/Engineering or relevant quantitative field 6+ years of experience in C++ Strong expertise in High Frequency Trading domain Location base: Singapore. Open to sponsor employment visa for suitable profiles. If you are interested, please apply to the job post or contact me at xuanxuan.lim@ambition.com.sg Regrettably, only shortlisted candidates will be notified. Business Registration Number: 200611680D |Licence Number: 10C5117 |EA Registration Number: R23115372
- Company Name
- GroupM
- Job Title
- Senior Software Engineer
- Job Description
- Title: Senior Engineer, Creative Optimizations Who We Are Choreograph is WPP’s global data products and technology company. We’re on a mission to transform marketing by building the fastest, most connected data platform that bridges marketing strategy to scaled activation. We work with agencies and clients to transform the value of data by bringing together technology, data and analytics capabilities. We deliver this through the Open Media Studio, an AI-enabled media and data platform for the next era of advertising. We’re endlessly curious. Our team of thinkers, builders, creators and problem solvers are over 1,000 strong, across 20 markets around the world. About Choreograph Optimization We’re a Product & Engineering team within Choreograph that’s focussed on optimizing the impact that advertising has for audiences and the brands that we work with. We do this by optimising media buying, and employing dynamic creative, to deliver impactful and relevant messages. Getting these to the right audience, on the right medium, at moments and locations that matter, via channels and for a budget that is optimal for the brands we work with, is where we live. This role will work primarily on our Creative Optimization product, an omnichannel dynamic content optimisation (DCO) platform, that enables brands to power ads (e.g. images, videos, copy) across a range of channels (display, social, online video, connected TV) with dynamic data (e.g. location, weather, events) in real-time, turning a single creative concept into thousands of unique stories. We utilise AI to optimize for the best performing content, helping advertisers to tell the right story at the right time, and audiences to see messages that matter. Our culture is based on mutual trust, sharing, building, and learning together. We value simplicity, maintainability, automation, and metrics. Who We Are Looking For Our team consists of 100+ engineers, designers, data, and product people, working in small inter-disciplinary teams closely with creative agencies, media agencies, and with our customers, to develop and scale our DCO platform, a leading digital advertising optimization suite that delivers amazing outcomes for brands and audiences. As a Senior Engineer you will work side by side with a Product Manager, a Design Lead, and your engineering team to design, build, deliver and operate purposeful solutions. The role is a hands on development role, involving contributing to product strategy, crafting scalable and reliable architectures, developing features, building automations, owning tests, coaching and supporting junior engineers, and contributing to the wider team’s evolution of our principles and practices, and the tools we use. The role has no line management responsibilities. Our platforms are built with Clojure, employ a polylith architecture, are deployed using CI/CD, heavily exploit automation, and run on AWS, GCP, k8s, Snowflake and more. We serve 9 petabytes and 77 billion objects annually, which amounts to 20 billion ad impressions across the globe. You’ll play a leading role in significantly scaling this further. What You Will Do Lead an engineering team, overseeing and participating in all stages of development, delivery and operations, together with Product and Design leaders. Architect solutions that are simple, scalable, reliable, secure, maintainable, and make a measurable impact. Develop and deliver new features, maintain our product, and drive growth to hit team KPIs. As a part of this, undertake hands-on development and engineering tasks with your team and other teams, to deliver production solutions. Employ and champion modern pragmatic engineering principles, practices, and tooling, including TDD/BDD/ATDD, XP, QA Engineering, Trunk Based Development, Continuous Delivery, automation, DevSecOps, and Site Reliability Engineering. Contribute to, and take a leadership role in, driving ongoing improvements to our engineering principles, practices, and tooling. Provide support & mentorship to junior engineers, prioritising continuous learning and development. Develop and maintain a contemporary understanding of AdTech developments, industry standards, partner and competitor platform developments, and commercial models, from an engineering perspective. Combined these insights with technical expertise to contribute to our strategy and plans, influence product design, shape our roadmap, and help plan delivery. What You Will Need Proven experience designing, building, and operating concurrent, distributed systems. Experience with advertising technology (AdTech) highly desired. Proven experience and a passion for developing and operating full stack production systems in Clojure, k8s, and AWS or GCP. ClojureScript, JavaScript, TypeScript, React, Java, Python, and Terraform experience highly desirable. Proven experience leading teams, designing simple / scalable / reliable architectures, building, and operating concurrent, distributed systems, solving difficult and novel problems, and leading engineering and operational teams working in this space. Proven experience in developing data structures and algorithms. Experience working with ML/AI highly desirable. Proven experience contributing to product strategy development with Product Management teams. Experience in SaaS product engineering and operations highly desirable. Proven experience in modern software development and testing practices and implementing these in teams, with a willingness to share, partner and coach engineers, product people, and operations through pragmatic and effective development and delivery practices. Experience in employing TDD, BDD or ATDD highly desirable. Proven experience shaping and evolving the principles, practices, and tooling supporting agile, testing/QA, DevSecOps, automation, SRE. Experience in Trunk Based Development, XP, & implementing CI/CD highly desirable. A focus on continuous learning and improving, both technically and professionally, in your industry, for you and your teams. Demonstrated resilience, with experience working in ambiguous situations. Strong English, excellent influencing and communication skills, and excellent documentation skills. If you are ready to be at the forefront of the AdTech industry, shaping its future, and driving success for both Choreograph and our clients, we encourage you to apply and join our team. Choreograph is the beating heart of data inside WPP’s media investment group, GroupM, the world’s leading media investment company responsible for more than $60 billion in annual media investment. Discover more about Choreograph at www.choreograph.com GroupM and all its affiliates embrace and celebrate diversity, inclusivity, and equal opportunity. We are committed to building a team that represents a variety of backgrounds, perspectives, and skills. We are a worldwide media agency network that represents global clients. The more inclusive we are, the more great work ...