Senior Software Engineer
New Today
Be among the first 25 applicants
This range is provided by Harnham. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Base pay range
Direct message the job poster from Harnham
Building Data, Software & DevOps teams in the UK | The Talent Driving The Data and AI Revolution
SENIOR BACKEND ENGINEER
HYBRID ROLE - 1 day a week in office
LONDON
Are you looking to take ownership of backend systems in a role that offers great benefits, hybrid working, and the chance to work with modern cloud technologies?
THE COMPANY
This fast-growing organisation operates in the digital space, delivering innovative technology solutions that drive real business impact. They are expanding their engineering team and investing in cutting-edge products that leverage data, automation, and scalable cloud platforms.
THE ROLE
As a Senior Backend Engineer, you'll be responsible for building and maintaining scalable systems and services that underpin the company's technology strategy.
Key responsibilities include:
- Designing and delivering backend software solutions aligned with the engineering roadmap
- Supporting solution design, infrastructure setup, testing, and maintenance
- Ensuring services remain robust, secure, and up-to-date with user feedback and evolving requirements
- Building new features and optimising existing systems for performance and scalability
- Upholding engineering best practices across cost efficiency, compliance, and quality
- Collaborating with cross-functional teams and communicating effectively with both technical and non-technical stakeholders.
YOUR SKILLS AND EXPERIENCE
The successful candidate will have:
- Strong proficiency in Python, with scalable, maintainable, test-driven development (TDD)
- Experience designing, deploying, and maintaining systems on GCP or AWS
- Solid understanding of CI/CD pipelines (GitHub Actions) and Docker
- Hands-on experience with RESTful APIs (Django/DRF or FastAPI)
- Strong knowledge of secure software development and engineering best practices
Highly desirable skills:
- Experience with Generative AI / LLMs
- Knowledge of different database types (SQL, NoSQL, graph, document)
- Exposure to front-end technologies (TypeScript, Vue.js or React) for effective collaboration with frontend teams
- Cloud platform certifications
THE BENEFITS
The successful Senior Backend Engineer will receive:
- Salary up to £80,000
- 25 days holiday (+ option to buy 5 more)
- Annual performance-based bonus
- Enhanced family leave, life assurance & income protection
- Medical cash plan, health & wellbeing contribution
- Sabbatical options and referral bonuses
- Railcard & season ticket loan, Ride to Work scheme
- Home office equipment support
- Free lunches and office perks
- Learning & development support with access to training platforms
- Regular team socials and holiday celebrations
This is a fantastic opportunity for an ambitious backend engineer who wants to build impactful systems, shape engineering best practice, and grow within a forward-thinking tech environment.
We are an equal opportunities employer and welcome applications from all qualified candidates.
- Location:
- City Of London
- Job Type:
- FullTime
- Category:
- IT & Technology
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