At a Glance
- Tasks: Lead the development of innovative web and mobile applications in a dynamic ad-tech environment.
- Company: Join pubGENIUS, a cutting-edge React.js and Next.js agency focused on decentralised finance and healthcare.
- Benefits: Enjoy remote work, flexible hours, competitive pay, and paid vacation days.
- Other info: Be part of a diverse team with excellent growth opportunities in a fully remote setting.
- Why this job: Make a real impact with your tech skills while working on high-revenue projects.
- Qualifications: Strong experience in Node.js, React, MySQL, and GCP is essential.
The predicted salary is between 80000 - 100000 £ per year.
pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement.
We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with stakeholders to set technical direction, remove bottlenecks, and ship production-grade code.
Engagement Details:
- Type: Full-time independent contractor
- Hours: Full-time commitment expected
- Location: Remote (US, Canada, UK, Ireland or Netherlands)
- Clients: US and Europe
- Rate: Competitive, based on experience
What You'll Own:
- End-to-end technical ownership of a high-revenue web platform and mobile app
- Architecture design and long-term technical strategy
- Server-side rendering pipeline using Node.js, Fastify 5, and React 19
- Data layer across MySQL and BigQuery
- GCP infrastructure including Cloud Run, Cloud Build, and Global Load Balancer
- Ad-tech integrations including Google Ad Manager, GTM, GTag, and GPT.js
- Performance optimization at scale, where every millisecond counts
- ML pipeline maintenance and optimization for ad-tech performance
Must-Have Qualifications:
- Strong, production-proven experience in Node.js with TypeScript
- Experience with React in a server-side rendering context
- MySQL including database design, query optimization, and ORM usage
- BigQuery for querying and managing large-scale datasets
- GCP with hands-on experience in Cloud Run, Cloud Build, Cloud SQL, and Load Balancing. GCP certification is a significant bonus.
Nice-to-Have Experience:
- Ad-tech industry experience including ad serving, yield optimization, and programmatic advertising
- Affiliate marketing experience, particularly with Anura and Everflow
- Cloudflare including CDN configuration, caching strategies, and Workers
- Fastify, especially Fastify 5 patterns
- Flutter for mobile app contribution
- Golang or Rust for high-performance service work
- Machine learning applied to ad-tech optimization (not LLMs or agents)
- Experience in DeFi, crypto, NFT, blockchain, fintech, or healthcare verticals
Fully remote work, flexible hours, paid vacation and sick days.
Application Process:
We do not review applications via LinkedIn DMs or email. Please apply through the application link. We do not work with staffing agencies or third-party recruiters. Direct applicants only.
pubGENIUS is an Equal Opportunity Employer; employment with pubGENIUS is governed on the basis of merit, competence, and qualifications and will not be influenced in any manner by race, age, colour, gender, religion, national origin/ethnicity, veteran status, sexual orientation, marital status, gender identity, mental or physical disability, or any other legally protected status.
Remote Principal Software Engineer in Bolton employer: pubGENIUS
At pubGENIUS, we pride ourselves on being an innovative and dynamic development agency that champions a culture of excellence and collaboration. As a fully remote employer, we offer flexible working hours, competitive rates, and a commitment to employee growth through hands-on experience in cutting-edge technologies like Node.js and React. Join us to take ownership of high-revenue projects while enjoying the benefits of a supportive work environment that values performance and creativity.
StudySmarter Expert Advice🤫
We think this is how you could land Remote Principal Software Engineer in Bolton
✨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 pubGENIUS 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 pubGENIUS.
✨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 pubGENIUS.
✨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 pubGENIUS 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 Principal Software Engineer in Bolton
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 pubGENIUS.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at pubGENIUS 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 pubGENIUS
✨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 pubGENIUS 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.
