Senior Software Engineer in London
Senior Software Engineer

Senior Software Engineer in London

London Full-Time 48000 - 84000 £ / year (est.) Home office (partial)
Go Premium
H

At a Glance

  • Tasks: Lead technical architecture and develop high-performance systems in AI.
  • Company: Join a cutting-edge AI startup shaping the future of superintelligence.
  • Benefits: Competitive salary, professional growth, and a dynamic multicultural team.
  • Why this job: Make a real impact in AI while collaborating with world-class talent.
  • Qualifications: 5+ years in backend development, strong mentorship skills, and cloud computing experience.
  • Other info: Hybrid role with opportunities for travel and continuous learning.

The predicted salary is between 48000 - 84000 £ per year.

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

  • 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.
  • 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 in London employer: H Company

At H, we are committed to pushing the boundaries of superintelligence with agentic AI, making us an exceptional employer for those passionate about innovation and technology. Our hybrid work culture in vibrant cities like Paris or London fosters collaboration and creativity, while our focus on mentorship and professional growth ensures that every team member can thrive and contribute meaningfully to groundbreaking projects. Join us to be part of a dynamic, multicultural team dedicated to shaping the future of AI, where your skills will be valued and your career can flourish.
H

Contact Detail:

H Company Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Engineer in London

✨Tip Number 1

Network like a pro! Reach out to folks in the industry, attend meetups, and connect with people on LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.

✨Tip Number 2

Show off your skills! Create a portfolio or GitHub repository showcasing your projects and contributions. This gives potential employers a taste of what you can do and sets you apart from the crowd.

✨Tip Number 3

Prepare for interviews by practising common technical questions and coding challenges. Use platforms like LeetCode or HackerRank to sharpen your skills and boost your confidence before the big day.

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our awesome team.

We think you need these skills to ace Senior Software Engineer in London

Backend Development
Python
Golang
Distributed Systems
Cloud Computing
AWS
API Development
REST
GraphQL
Relational Databases
Non-Relational Databases
Message Queueing Technologies
SQS
RabbitMQ
Kafka
Code Review
Technical Architecture
Mentorship
Cross-Functional Communication
Technical Leadership

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: Use your cover letter to tell us why you’re passionate about AI and how your background makes you a great fit for our team. Share specific examples of your past projects and how they relate to the responsibilities outlined in the job description.

Showcase Your Technical Skills: In your application, be sure to highlight your expertise in building APIs, working with databases, and any experience with message queueing technologies. We love seeing concrete examples of your technical achievements!

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 on joining our team!

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 Problem-Solving Skills

Prepare to discuss specific examples where you've tackled complex technical challenges. Think about how you’ve designed scalable systems or improved system reliability, and be ready to explain your thought process and the impact of your solutions.

✨Demonstrate Your Mentorship Abilities

Since this role involves guiding other engineers, come prepared with examples of how you’ve mentored team members in the past. Highlight any initiatives you’ve taken to foster technical excellence and collaboration within your teams.

✨Communicate Effectively

Practice switching between technical jargon and business language. You’ll need to communicate with both engineers and business leaders, so being able to articulate your ideas clearly and concisely is key. Consider preparing a few scenarios where you successfully bridged the gap between tech and business.

Senior Software Engineer in London
H Company
Location: London
Go Premium

Land your dream job quicker with Premium

You’re marked as a top applicant with our partner companies
Individual CV and cover letter feedback including tailoring to specific job roles
Be among the first applications for new jobs with our AI application
1:1 support and career advice from our career coaches
Go Premium

Money-back if you don't land a job in 6-months

H
  • Senior Software Engineer in London

    London
    Full-Time
    48000 - 84000 £ / year (est.)
  • H

    H Company

    50-100
Similar positions in other companies
UK’s top job board for Gen Z
discover-jobs-cta
Discover now
>