Full-Stack JavaScript Developer
Hybrid
Manchester, United Kingdom
Full Time
19-03-2025
Job Specifications
At MRJ Recruitment, we pride ourselves on building strong, lasting partnerships with some of the most innovative companies in the tech industry. One of our most valued clients—a leader in their field—has trusted us time and time again to deliver the very best talent. And we’ve delivered every single time.
In one 4 months span for example , we’ve sent 5 CVs and placed 5 candidates. That’s a 100% success rate, and we’re looking for YOU to be our next success story.
What’s the role?
We’re offering an exciting opportunity for a full-stack developer with a strong background in JavaScript. This role is perfect for developers who are proficient in React and Typescript but are also eager to expand their skills and learn Golang as they work within a dynamic, high-impact team.
You will be part of a talented, full-stack development team responsible for building scalable solutions across a broad technology stack. In addition to working with Typescript, React, and JavaScript, you’ll have the chance to deepen your knowledge in Golang as the team continues to evolve and grow.
The Details:
Competitive salary inline with industry standards that is readily available upon request
Hybrid working from a Manchester office (must be based in the UK without visa/sponsorship requirements
What You’ll Be Doing:
Developing and enhancing full-stack applications using React, Typescript, and JavaScript.
Contributing to scalable, low-latency solutions while collaborating with product owners and testing teams.
Getting hands-on experience with Golang, learning the ins and outs of server-side development.
Engaging in clean coding practices, identifying technical improvements, and ensuring high-quality code.
What We’re Looking For:
Solid experience in full-stack development, particularly with React, Typescript, and JavaScript.
Strong understanding of frontend development and interest in expanding your backend skills (Golang).
Familiarity with Linux, responsive design, web and mobile development, and cloud platforms.
Ability to communicate technical details clearly across different teams and stakeholders.
Previous experience in agile development environments, ideally with high-volume, transaction-based systems.
This is a unique opportunity to expand your skill set in a supportive, fast-paced environment while working on impactful projects. The role also offers the flexibility of hybrid working, providing the balance you need between remote and in-office time.
Ready to grow your skills and make a real impact? Apply now!
About the Company
Here at MRJ We power startups, scaleups and global giants across the UK & Europe with great talent, enabling them to scale their technology & product teams, quickly. Why work with us? Three products. One result. We're more than just your average agency. What matters to you, matters to us and we tailor our solutions to fit with your hiring needs. Our Talent Partners live and breathe your brand, creating a genuine partnership with you. We replace the "us" and "them" divisions of traditional recruitment with a single, un... Know more
Related Jobs
- Company Name
- Capgemini
- Job Title
- Full Stack Developer - Northampton
- Job Description
- Get The Future You want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Role Overview We are seeking a talented Fullstack Developer to join the dynamic team at Barclays Corporate Digital in Northampton. The ideal candidate will have a strong background in both frontend and backend development, with a focus on building robust and scalable applications. Key Responsibilities Develop and maintain CLR client UI interfaces using Angular, Blueprint, Figma, and Micro Front End patterns. Collaborate with UX/UI designers to implement user-friendly interfaces. Design and implement backend services using Java, microservices architecture. Utilize Docker for containerization and manage cloud hosting on OpenShift. Integrate and manage code repositories using GitLab. Work closely with cross-functional teams to ensure seamless integration of frontend and backend components. Participate in code reviews and provide constructive feedback to team members. Troubleshoot and resolve technical issues as they arise. Required Skills And Qualifications Proven experience in frontend development using Angular, Blueprint, and Figma. Strong understanding of Micro Front End patterns. Solid experience in backend development with microservices architecture. Proficiency in Docker and cloud hosting on OpenShift. Experience with GitLab for code repository management. Excellent problem-solving skills and attention to detail. Strong communication and collaboration skills. Ability to work in a fast-paced and agile environment. Preferred Qualifications Bachelor's degree in Computer Science, Engineering, or a related field. Experience in financial services or corporate digital environments. Familiarity with other frontend frameworks and libraries. Knowledge of DevOps practices and tools. About Capgemini 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 fifty 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, cloud, and data, combined with its deep industry expertise and partner ecosystem. The Group reported 2023 global revenues of €22.5 billion. Get The Future You Want | www.capgemini.com
- Company Name
- Blockdaemon
- Job Title
- Senior Full Stack Engineer
- Job Description
- Position Overview Note: Candidates in Galway or Dublin, Ireland and London, England will be prioritized. We are searching for a talented Senior Full Stack Engineer to join forces with us in developing the next generation of Blockdaemon secure cross-chain services. As a key member of the Engineering team, this role drives global standards, makes valuable contributions to open-source initiatives, and develops institutional-grade solutions, as well as exposure to essential components for facilitating secure and seamless cross-chain communication. In this role, you'll join forces with a seasoned technical team of senior engineers, all dedicated to bridging the world with blockchain technology. Together, you'll create state-of-the-art applications and high-performance services, shaping the industry's future. You'll engineer and construct scalable, secure, and dependable software that supports over 40 blockchain protocols, in a standardized manner. This position offers the opportunity to dive into cryptography, blockchains, consensus algorithms, cross-chain messaging, and decentralized applications. This role gives a high level of autonomy/ownership over projects, the opportunity to expand knowledge, and the chance to help build the web3 infrastructure of the future. You will be working across the stack, developing and executing on new features and product initiatives with a commitment to excellence in code quality. This role will report to a technical engineering manager and work closely with product and engineering teams to support company goals and initiatives. Your Impact Develop, maintain, and optimize front-end and back-end components for Blockdaemon's core applications. Collaborate with cross-functional teams to design and deliver scalable blockchain infrastructure solutions. Build intuitive and responsive user interfaces using modern web technologies. Develop APIs and microservices to support a variety of innovative operations. Ensure applications are performant, secure, and align with blockchain best practices. Troubleshoot and debug issues across the stack to maintain high availability and reliability. Build robust monitoring and observability solutions to ensure system reliability, performance. Develop dashboards to visualise real-time metrics and alerts. Participate in code reviews, architectural discussions, and the agile development process. Stay up-to-date with the latest blockchain trends, tools, and technologies. Role Requirements 4+ years of professional experience writing full-stack applications. Experience with web technologies (Javascript/React/CSS etc.). Experience working with Microsite frameworks. Proficient with backend programming languages - Golang, Typescript Good knowledge of web environment, API designs, GRPC, HTTP, REST, and WebSockets. Strong ability to write reusable, testable, and efficient code. Nice-to-have Skills Bachelor’s degree in Computer Science, MIS or related technology field Strong attention to detail, appropriate to maintain sensitive products for institutional customers Experience working with Blockchain technologies. Knowledge of Kubernetes, Docker and Terraform Experience working with cloud infrastructure technology (AWS, GCP, Azure, etc.) Ability to work within an environment of continuous integration and deployment About Us We Power the Blockchain economy. Blockdaemon powers the blockchain economy with its suite of industry-leading infrastructure solutions. We are a globally established, ISO-27001 certified partner with extensive protocol coverage, offering technical depth, industry-leading SLAs, 70+ global points of presence through 10+ cloud and bare metal providers, and 24/7 support for an unmatched institutional-grade experience. We provide integrated business solutions to exchanges, custodians, crypto platforms, financial institutions, and developers using our end-to-end suite of blockchain tools, including dedicated nodes, APIs, staking, liquid staking, MPC tech, and more. Blockdaemon provides its customers with the confidence to quickly and easily scale without compromising security or compliance. We are a globally distributed team. Blockdaemon is an Equal Opportunity Employer.
- Company Name
- Venn Group
- Job Title
- Senior Software Engineer
- Job Description
- Venn Group Senior Embedded Software Engineer Location: Hampshire Hybrid: up to twice per week, some weeks will be remote. Salary: £58,000 - £68,000 + Benefits SC Cleared or Eligible Permanent Brief Summary Our client is seeking a skilled Embedded Software Engineer to join their team. You will be responsible for developing and maintaining Python applications, as well as contributing to the overall success of our projects. You will also mentor a small but growing team of capable Developers. Essentials Skills & Experiences Hands-on experience with Python 3.11 upwards [cPython] and virtual environments Familiar with basics in Linux terminal e.g.ssh, navigate directories, run files, change permissions, edit text files Familiar with Git version control with command line basics Experience conducting and receiving code reviews Embedded Software Experience Developing on a remote physical machine including use of Docker Profilers, static analysers, linters and formatters in Python Desirable Skills & Experience Skills in C or preferably C++20 onwards, to import into Python runtime Understanding for the nuance of running on ARM32 architecture GitHub for pull requests, actions and readme markdown Experienced in signal processing and analysis; preferably using tools such as NumPy, Matlab or Octave SC Clearance or Defence Experience Experience Leading software teams To apply for this role and for more information, please send your updated CV to Jacob Rufus at jrufus@venngroup.com.
- Company Name
- Amiqus - Games Recruitment Specialists
- Job Title
- Principal Programmer C++ UE4/5
- Job Description
- Principal Programmer to take technical ownership of this studios in-house open-world multiplayer game creation framework. The role is hybrid, involving 2 days a week at their Guildford studio. Benefits include – Pension, Healthcare, possible future bonuses, 25 days minimum holiday £80-£90k base salary Applicants must hold current eligibilty to work in the UK, there's no Visa sponsorship available About the role - They’re seeking an experienced, product-focused technical leader to take charge of the technical vision and execution of their open-world multiplayer game creation framework. You’ll operate as a founding engineer or technical cofounder, helping scale their modular, multiplayer-first sandbox framework built on Unreal Engine 5. This is a hands-on leadership position: you’ll be actively coding while also working closely with production to manage a small core team of engineers and scripters, guiding the development process, and ensuring their systems meet the scale and ambition of the platform. The ideal candidate would have 10+ years of experience with a deep Unreal expertise (including networking, plugins, and tools), and a passion for building powerful and extensible systems. You’ll work directly with leadership to ensure the product ships on time, on spec, and with excellence. What you will be doing Acting as technical owner setting the direction and standards across all technical systems. Leading and mentoring the engineering team, providing code reviews, technical guidance, and architectural oversight. Contributing code daily—this is a hands-on leadership role. Overseeing and implementing systems across gameplay, networking, tooling, UI, online services, backend, and DevOps. Collaborating with other departments (gameplay, art, production) to ensure engine features meet evolving needs. Spearheading the adoption of AI/ML-driven workflows and tooling across the engineering org. Recruiting, onboarding, and mentoring technical team members. Maintaining a high level of responsiveness, adaptability, and technical excellence in a fast-paced environment. Championing engineering culture, team cohesion, and sustainable development practices. Supporting with hiring to grow the engineering team according to project needs and studio values. What we will need from you 10+ years of professional experience as a game/engine programmer, including technical leadership on shipped titles or platforms. Deep expertise in Unreal Engine—including networking, gameplay systems, Lyra framework, motion matching, custom plugins/tools, and engine extensions. Proven experience building and scaling engineering teams. Strong background in gameplay programming, multiplayer architecture, and online subsystem integrations (e.g. EOS, Steam, etc). Competence in backend systems, scalable services, and DevOps pipelines. Proficiency in CI/CD, debugging, and performance optimization. Familiarity with web technologies (HTML/CSS/JS) for platform or dashboard/launcher related features. Passion for empowering creators through extensibility, modularity, and clean systems architecture. Nice to have Experience with UGC platforms, modding frameworks, or live service ecosystems. Experience building or contributing to game development tools for teams or communities. Previous work in fast-moving startup or small team environments. Value alignment You thrive in fast-paced, collaborative environments where efficiency, agility, and a strong team culture lead to significant and meaningful impact. You enjoy working closely with other disciplines, wearing multiple hats, and iterating quickly. You’re excited by ambitious creative tools and believe in enabling others through technology. CVs to simon.pittam@amiqus.com