At a Glance
- Tasks: Shape technical decisions and build scalable systems for major advertising campaigns.
- Company: Join a dynamic team in a leading advertising technology firm.
- Benefits: Flexible work with 2 days in the office, competitive salary, and growth opportunities.
- Other info: Collaborative environment that values critical thinking and innovative solutions.
- Why this job: Make an impact on large-scale projects while mentoring the next generation of engineers.
- Qualifications: 5+ years experience with NodeJs and ReactJs; self-starter mindset required.
The predicted salary is between 60000 - 80000 € per year.
London, 2 days per week in the office
The Opportunity
Our client are hiring three Senior Software Engineers to join a growing engineering function that builds technology powering large-scale advertising and media platforms. This is a hands-on senior role for engineers who enjoy thinking about the “why”, not just the “how”. You’ll help shape technical decisions, guide less experienced engineers, and contribute to building well-designed, scalable systems used across major advertising campaigns.
The Challenge
The team is looking for engineers who can:
- Provide technical direction and sound judgement
- Think critically about priorities, architecture, trade-offs, and impact
- Ask the right questions before diving into implementation
- Collaborate effectively and feel comfortable discussing solutions rather than following scripts
What They’re Looking For
Experience
- Ideally 5+ years of commercial experience
- Experience with NodeJs and ReactJs
- Industry is open (financial services experience may not be the best fit)
Mindset
- Self-starter who can take ownership
- Comfortable leading solutions without formal authority
- Analytical, thoughtful, and curious
- Collaborative rather than siloed
Interview Process
- 1-hour competency-based interview with the Engineering Director
- Final onsite interview – problem-solving session using a whiteboard
Senior Full Stack Engineer employer: Harnham
Our client is an exceptional employer, offering a dynamic work culture that fosters collaboration and innovation in the heart of London. With a commitment to employee growth, they provide opportunities for mentorship and technical leadership, ensuring that every engineer can thrive while contributing to impactful projects in the advertising and media sector. The flexible working arrangement, with just two days in the office, allows for a balanced work-life integration, making it an attractive choice for those seeking meaningful and rewarding employment.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full Stack Engineer
✨Tip Number 1
Before you even step into that interview, make sure you know the company inside out. Research their tech stack, recent projects, and their approach to advertising technology. This will not only impress them but also help you tailor your answers to show how you can contribute.
✨Tip Number 2
Practice your problem-solving skills! Since the final interview involves a whiteboard session, get comfortable explaining your thought process as you tackle coding challenges. It’s all about showing how you think critically and collaborate on solutions.
✨Tip Number 3
Don’t shy away from showcasing your leadership skills. Even if you haven’t held a formal leadership position, share examples of how you’ve guided less experienced engineers or made technical decisions that had a significant impact on your projects.
✨Tip Number 4
Finally, apply through our website! We’re always looking for talented individuals like you, and applying directly helps us keep track of your application. Plus, it shows you’re serious about joining our team!
We think you need these skills to ace Senior Full Stack Engineer
Some tips for your application 🫡
Tailor Your CV:Make sure your CV reflects the skills and experience mentioned in the job description. Highlight your 5+ years of commercial experience, especially with NodeJs and ReactJs, to show us you’re the right fit for the role.
Craft a Compelling Cover Letter:Use your cover letter to tell us why you’re passionate about this opportunity. Share specific examples of how you've provided technical direction or led projects, as we love to see that hands-on approach!
Show Your Thought Process:In your application, don’t just list your skills; explain your thought process behind key decisions in past projects. We want to see how you think critically about architecture and trade-offs, not just how you implement solutions.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates during the process!
How to prepare for a job interview at Harnham
✨Know Your Tech Inside Out
Make sure you’re well-versed in NodeJs and ReactJs, as these are key technologies for the role. Brush up on your knowledge of scalable systems and be ready to discuss how you've applied these technologies in past projects.
✨Think Critically About Solutions
Prepare to demonstrate your ability to think critically about architecture and trade-offs. Be ready to discuss specific examples where you’ve had to make tough decisions and how those choices impacted the project.
✨Show Your Collaborative Spirit
This role values collaboration, so come prepared with examples of how you’ve worked effectively in teams. Think about times when you’ve guided less experienced engineers or led discussions to find solutions.
✨Practice Problem-Solving on a Whiteboard
Since there’s a whiteboard session in the final interview, practice explaining your thought process while solving problems out loud. This will help you articulate your reasoning clearly and show your analytical skills.
