At a Glance
- Tasks: Lead the design and delivery of complex features on our ad-fraud prevention platform.
- Company: Join Lunio, a forward-thinking tech company in London.
- Benefits: Enjoy a competitive salary, hybrid work, and opportunities for professional growth.
- Other info: Mentorship opportunities and a focus on continuous improvement await you.
- Why this job: Make a real impact by shaping innovative solutions in a dynamic environment.
- Qualifications: Proven experience in software design, architecture, and team collaboration.
The predicted salary is between 100000 - 100000 £ per year.
Full-time: Hybrid
Location: London
£80,000 - £100,000 per annum D.O.E
Team: Backend (platform) Team - Python-focused Stack
As a Senior Engineer (IC3) at Lunio, you lead the design and delivery of complex, cross-service features on our ad-fraud prevention platform. You set a high bar for engineering quality by example. You make pragmatic architectural choices and help others navigate ambiguity. You operate the services you build, improve reliability and performance, and mentor teammates so the whole squad ships value predictably. You implement and deliver working solutions on an ongoing basis.
Key Responsibilities
- Lead complex delivery: shape scope and architecture for cross-service features/platform work, break down ambiguity, coordinate across Product/Design/Data to land outcomes.
- Raise the quality bar: define practical standards for testing, security, and observability, act as approver on critical PRs, model excellent reviews and pairing.
- Operate and improve production: own service performance targets for your area, lead incident response, drive corrective actions to completion, and reduce recurrence.
- Grow others: mentor and unblock teammates, transfer knowledge through pairing, docs, and structured feedback.
- Shape team practices & roadmap: contribute to technical strategy and sequencing, surface trade-offs and risks early, champion incremental delivery.
- Service Ownership: own the full software development lifecycle not only for your changes, but for all changes that affect a Service you have worked on, by monitoring PRs and success metrics for your services.
What makes a great Senior Engineer at Lunio?
- Software Design & Architecture: Designs evolvable systems with clear boundaries and data ownership, anticipates failure modes and keeps solutions simple.
- Technical Execution & Delivery: Leads execution across multiple stories/engineers, breaks down ambiguous problems, and delivers predictably with sensible trade-offs.
- Testing, Reliability & Observability: Bakes in testability, defines/uses service performance targets, alerts, logs, and traces, advocates for reliability alongside features.
- Security & Privacy: Applies secure-by-default patterns, reviews dependencies/risks, and addresses vulnerabilities within the team’s domain.
- Collaboration & Communication: Facilitates decisions, aligns stakeholders, and records them via concise docs others can follow.
Senior Software Engineer - Python/AWS in Slough employer: Lunio
At Lunio, we pride ourselves on fostering a collaborative and innovative work culture that empowers our employees to excel. As a Senior Software Engineer in London, you will benefit from a hybrid working model, competitive salary, and opportunities for professional growth through mentorship and knowledge sharing. Join us to be part of a team that values quality engineering and encourages you to shape the future of our ad-fraud prevention platform.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Software Engineer - Python/AWS in Slough
✨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 Lunio 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 Lunio.
✨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 Lunio.
✨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 Lunio 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 Software Engineer - Python/AWS in Slough
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 Lunio.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Lunio 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 Lunio
✨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 Lunio 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.
