At a Glance
- Tasks: Lead the design of scalable frontend architectures using React, TypeScript, and JavaScript.
- Company: Join a product-led tech organisation focused on platform evolution and engineering excellence.
- Benefits: Enjoy remote work flexibility, competitive salary, and opportunities for professional growth.
- Other info: Collaborative environment with genuine influence across multiple teams.
- Why this job: Shape the future of frontend systems and tackle complex engineering challenges.
- Qualifications: 6+ years in software engineering with deep expertise in React and modern JavaScript.
Staff-level frontend engineering role at a product-led technology organisation investing seriously in platform evolution.
This is a high-impact role for an engineer who acts as a technical force multiplier rather than a line manager. You will lead the design and evolution of scalable frontend architectures in React, TypeScript and JavaScript, contribute across the wider full stack where needed, and help define the long-term technical direction of the organisation.
Key Responsibilities
- Work on React, TypeScript and JavaScript applications at scale.
- Own scalability, performance and reliability initiatives across web applications.
- Reduce frontend technical debt and drive measurable improvements in system health.
- Partner with Product to translate complex workflows into intuitive, high-quality user experiences.
- Collaborate with Platform and SRE teams to improve observability and operational excellence.
- Mentor engineers and raise standards across teams through code reviews, coaching and knowledge sharing.
What You'll Need
- 6+ years of software engineering experience operating at Senior level.
- Deep expertise in React and the modern JavaScript and TypeScript ecosystems.
- Strong track record building scalable, high-performance frontend applications.
- Solid understanding of API integration and full stack architecture.
- Experience operating within complex or legacy product environments.
- Proven ability to influence technical direction across multiple teams without formal authority.
- Clear communicator who can drive alignment across Product, Engineering and Platform.
- Right to work in the UK.
Nice to have
- Experience with Node.js backend services.
- Exposure to data-heavy or analytics-driven applications.
- AWS or cloud-native architecture experience and familiarity with CI/CD and SRE practices.
Why Apply
- Remote working with flexibility and occasional in-person time in Belfast.
- Genuine Staff-level scope frontend architecture, standards and long-term technical direction are yours to shape.
- Complex, mission-critical platform with real engineering challenges.
- High-growth organisation investing seriously in engineering capability and platform evolution.
Next Steps
Connect with Ryan Quinn on LinkedIn or apply via the link below.
Senior JavaScript Engineer in London employer: Ocho
Join a dynamic and innovative digital consultancy that champions a remote-first work culture, offering exceptional benefits such as a competitive salary, generous annual leave, and a commitment to professional development. With a focus on quality and collaboration, you'll thrive in an environment that values your expertise and provides the autonomy to shape QA processes while working on complex, multi-component systems alongside a talented team in Northern Ireland.
StudySmarter Expert Advice🤫
We think this is how you could land Senior JavaScript Engineer in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Ocho or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Ocho.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Ocho.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Ocho that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior JavaScript Engineer in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Ocho.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Ocho and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Ocho
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Ocho uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
