At a Glance
- Tasks: Build high-performance backend services and scalable Node.js microservices for enterprise applications.
- Company: Flosum, a profitable B2B SaaS company trusted by Fortune 500 enterprises.
- Benefits: Competitive salary, remote work, and direct collaboration with leadership.
- Other info: Join a stable company with aggressive growth plans and a culture of ownership.
- Why this job: Make a real impact on enterprise-grade products that matter.
- Qualifications: 5+ years of Node.js experience and strong understanding of TypeScript.
The predicted salary is between 60000 - 80000 £ per year.
Flosum is a bootstrapped, profitable B2B SaaS company building the leading Salesforce-native DevSecOps, Data Protection, and Security platform. Our solutions are trusted by Fortune 500 enterprises in heavily regulated industries such as financial services, healthcare, government, and insurance. We’re a proven, scaling business that reached profitability on our own terms.
We are entering an aggressive growth phase — expanding our product surface, deepening our platform capabilities, and accelerating our delivery velocity. We need senior-caliber Node.js developers who can own significant parts of our architecture and ship production code that enterprise customers depend on daily. You will work directly with engineering leadership, product managers, and the CEO. Your decisions will have real consequences, your opinions will be heard, and your craftsmanship will be visible to the customers who rely on our platform.
What You’ll Build
- High-performance backend services and APIs powering enterprise-grade SaaS applications
- Scalable, secure Node.js microservices and integrations within the Salesforce ecosystem
- Modern front-end experiences using Vue.js and TypeScript that serve demanding enterprise users
- CI/CD pipeline tooling, automation frameworks, and developer productivity infrastructure
- Real-time data processing and event-driven architectures handling sensitive enterprise data at scale
Non-Negotiable Technical Requirements
- 5+ years of professional Node.js development in production environments
- Expert-level understanding of asynchronous programming, event loops, streams, and the Node.js runtime
- Deep experience with TypeScript in production codebases
- Strong command of RESTful API design, authentication patterns (OAuth 2.0, JWT), and API security best practices for enterprise environments
- Proven experience with SQL and NoSQL databases, query optimization, data modeling, and understanding the performance implications of schema decisions at scale
- Proficiency with Git workflows, code review practices, automated testing (unit, integration, and end-to-end), and CI/CD pipelines
- Solid understanding of containerization (Docker), cloud services (AWS/GCP/Azure), and infrastructure-as-code principles
Highly Preferred (These Will Set You Apart)
- Salesforce development experience: Apex, Lightning Web Components (LWC), Visualforce, or Salesforce API integrations
- Experience building or contributing to Salesforce ISV (AppExchange) products
- Vue.js front-end development experience, particularly with Vue 3 Composition API and state management
- Experience working in B2B SaaS companies serving enterprise customers with strict compliance requirements (SOC 2, HIPAA, FedRAMP, GDPR)
- Familiarity with DevOps/DevSecOps toolchains and practices in the Salesforce ecosystem
The Kind of Person We’re Looking For
- Missionary, Not Mercenary: You care about what you’re building and why. You take ownership not because someone assigned it to you, but because that’s who you are.
- Builder, Not a Bystander: You don’t wait for perfect specifications. You dig in, ask hard questions, propose solutions, and ship.
- Craftsperson Under Pressure: You write code that doesn’t just work — it survives. You understand that in regulated industries, your code is your reputation.
- Direct Communicator: You say what you think, respectfully and clearly. We value candor over politeness-at-the-expense-of-quality.
This Is a Long-Term Commitment
We are not looking for contractors who jump between projects every few months. We are building a world-class engineering team, and we invest heavily in the people who join us. In return, we expect commitment. This role is designed as a long-term, full-time engagement. You will grow with us and see the direct impact of your work in how Fortune 500 companies build, protect, and deploy on Salesforce.
What We Offer
- Competitive compensation commensurate with your experience and impact
- Direct collaboration with the founding team and engineering leadership
- A profitable, stable company with aggressive growth plans
- The opportunity to work on enterprise-grade products used by some of the largest organizations in the world
- Meaningful technical challenges: security, compliance, scale, and reliability at the intersection of Node.js and Salesforce
- A culture that rewards ownership, speed, and craftsmanship over politics and hierarchy
- Remote-first flexibility with a results-oriented work environment
Remote Senior Node.js Developer (UK) in Watford employer: Flosum
Flosum is an exceptional employer for Senior Node.js Developers, offering a unique opportunity to work in a profitable, stable B2B SaaS environment that prioritises innovation and craftsmanship. With a remote-first culture, competitive compensation, and direct collaboration with leadership, employees are empowered to make impactful decisions while tackling meaningful technical challenges in a supportive and growth-oriented atmosphere.
StudySmarter Expert Advice🤫
We think this is how you could land Remote Senior Node.js Developer (UK) in Watford
✨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 Flosum 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 Flosum.
✨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 Flosum.
✨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 Flosum 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 Remote Senior Node.js Developer (UK) in Watford
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 Flosum.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Flosum 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 Flosum
✨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 Flosum 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.
