Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Lead technical architecture and develop high-performance systems in AI.
- Company: Join a cutting-edge AI startup pushing the boundaries of superintelligence.
- Benefits: Competitive salary, professional growth, and a dynamic multicultural team.
- Other info: Hybrid role with opportunities for travel and collaboration with top AI talent.
- Why this job: Shape the future of AI and make a real impact with your skills.
- Qualifications: 5+ years in backend development, strong mentorship, and cross-functional communication skills.
The predicted salary is between 70000 - 90000 £ per year.
About H: H exists to push the boundaries of superintelligence with agentic AI. By automating complex, multi-step tasks typically performed by humans, AI agents will help unlock full human potential. H is hiring the world’s best AI talent, seeking those who are dedicated as much to building safely and responsibly as to advancing disruptive agentic capabilities. We promote a mindset of openness, learning, and collaboration, where everyone has something to contribute.
About the Team: The Product Engineering team is responsible for developing H’s Enterprise Platform, providing all the tools and services to support critical operational use-cases for our customers. Our platform includes key services, from executing computer-use agents at scale, to orchestrating complex workflows and providing a complete observability, troubleshooting and evals suite of tools. Our Product Engineering team is at the heart of our company’s development, bridging the gap between AI research and real-world impact, and works closely with all parts of the organization.
Key Responsibilities:
- Define and lead technical architecture, design, and long-term engineering roadmap.
- Develop and maintain complex, high-performance, and scalable systems.
- Mentor and guide engineers across multiple teams, fostering technical excellence.
- Conduct thorough code and design reviews, ensuring quality and security best practices.
- Collaborate with Research, Product, and other stakeholders to deliver impactful solutions.
- Drive improvements in system reliability, scalability, and observability.
- Establish and enforce engineering standards, tooling, and processes.
- Champion technical innovation and proactively address technical debt.
Requirements:
Technical skills:
- Previous demonstrable role(s) as Senior Software Engineer with relevant set of responsibilities and achievements.
- Strong 5+ years of experience in backend development (Python & Golang preferred).
- In-depth experience with distributed systems or cloud computing, preferably in AWS.
- Experience building and shipping end to end solutions.
- Experience building APIs (REST and/or GraphQL) and integrating with external services.
- Expertise in relational and non-relational databases.
- Experience working with message queueing technologies (SQS/RabbitMQ/Kafka/etc.).
- Solid understanding of coding standards, architectural patterns and test frameworks.
- Expertise in instrumentation, observability and monitoring.
Soft skills:
- Mentorship & Influence - You inspire and elevate engineers across teams - you are a true force multiplier.
- Cross-Functional Communication - You communicate effectively with engineers and business leaders, switching between technical and business contexts.
- Technical Leadership – You are able to guide teams through complex technical decisions, balancing short-term delivery with long-term architectural health.
Location: Paris or London. This role is hybrid, and you are expected to be in the office 3 days a week on average. Please expect some travel between offices on a reasonable cadence (e.g., every 4-6 weeks).
What We Offer:
- Join the exciting journey of shaping the future of AI, and be part of the early days of one of the hottest AI startups.
- Collaborate with a fun, dynamic, and multicultural team, working alongside world-class AI talent in a highly collaborative environment.
- Enjoy a competitive salary.
- Unlock opportunities for professional growth, continuous learning, and career development.
If you want to change the status quo in AI, join us.
Senior Software Engineer - London employer: H Company
Contact Detail:
H Company Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Software Engineer - London
✨Network Like a Pro
Get out there and connect with people in the AI and software engineering space. Attend meetups, conferences, or even online webinars. You never know who might have the inside scoop on job openings or can refer you directly to hiring managers.
✨Show Off Your Skills
Don’t just talk about your experience; showcase it! Create a portfolio of your projects, especially those that highlight your backend development skills in Python or Golang. Share your GitHub profile or any relevant contributions to open-source projects to impress potential employers.
✨Ace the Interview
Prepare for technical interviews by practicing coding challenges and system design questions. Brush up on your knowledge of distributed systems and cloud computing, as these are key areas for the role. Remember, communication is key, so be ready to explain your thought process clearly.
✨Apply Through Our Website
We encourage you to apply directly through our website for the best chance at landing that Senior Software Engineer role. It shows your genuine interest in joining our team and makes it easier for us to track your application. Plus, we love seeing candidates who take the initiative!
We think you need these skills to ace Senior Software Engineer - London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Senior Software Engineer role. Highlight your backend development experience, especially with Python and Golang, and don’t forget to mention any work with distributed systems or cloud computing.
Craft a Compelling Cover Letter: Your cover letter is your chance to show us your personality and passion for AI. Share why you’re excited about the role and how your background makes you a perfect fit for our team. Don’t just repeat your CV; tell us a story!
Showcase Your Projects: If you've worked on any relevant projects, whether personal or professional, make sure to include them. We love seeing real-world applications of your skills, especially if they involve building APIs or working with message queueing technologies.
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’re considered for the role. Plus, it shows us you’re keen to join our journey in shaping the future of AI!
How to prepare for a job interview at H Company
✨Know Your Tech Inside Out
Make sure you’re well-versed in the technical skills listed in the job description, especially backend development with Python and Golang. Brush up on your knowledge of distributed systems and cloud computing, particularly AWS, as these are crucial for the role.
✨Showcase Your Mentorship Skills
Since the role involves mentoring engineers, be prepared to discuss your past experiences in guiding teams. Share specific examples where you’ve inspired others or improved team performance through your leadership.
✨Prepare for Cross-Functional Communication
You’ll need to communicate effectively with both technical and non-technical stakeholders. Practice explaining complex concepts in simple terms, and think of examples where you successfully bridged the gap between engineering and business.
✨Demonstrate Your Problem-Solving Approach
Be ready to tackle hypothetical scenarios related to system reliability and scalability during the interview. Think about how you would address technical debt or improve observability in a project, and articulate your thought process clearly.