Junior python developer Work, Jobs (with Salaries)

Senior Backend Developer
Narwhal Labs —Bristol
- £50,000 - £75,000 a year
- Azure
- SQL
- AWS
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Lead Developer
LSEG (London Stock Exchange Group) —London
- Full-time
- Oracle
- Java
- Mentoring
kdb+ Contractor (Capital Markets)
Data Intellect —London
- Hybrid work
- Azure
- Management
- AWS
Quick apply
Senior Software Developer, Developer Platform
bet365 —Manchester
- Full-time
- Hybrid work
- Mentoring
- Scripting
- APIs
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Senior Java Developer
Version 1 —Newcastle upon Tyne
- Full-time
- Oracle
- Computer Science
- Engineering
- Employee assistance programme
- Employee discount
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Senior Developer
Leeds City Council —Leeds
- £39,862 - £42,839 a year
- Full-time
- Azure
- DevOps
- Microsoft Office
- Annual leave
2d
Senior Software Developer
Halliburton —Abingdon
- Full-time
- Azure
- Oracle
- Computer Science
2h
Senior Site Reliability Engineer (Remote UK)
TechInsights —Remote
- £77,600 - £82,200 a year
- Full-time
- Remote
- Computer Science
- DevOps
- Engineering
- Gym membership
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Senior Full stack Java Developer
Solirius —London
- £55,000 - £80,000 a year
- Oracle
- DevOps
- Java
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Lead Full Stack Developer
Vodafone —London
- Full-time
- Azure
- Computer Science
- Engineering
Senior Software Developer
IKM Gruppen AS —Aberdeen
- Azure
- Computer Science
- DevOps
7d
DevOps Engineer
AWTG —London
- Azure
- DevOps
- Master's degree
Staff Site Reliability Engineer
Replit —London
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
Software Engineer – Gloucester – National Security West
BAE Systems —Gloucester
- Hybrid work
- Java
- AWS
- C++
- Referral programme
Senior Full-Stack Developer
Applied Data Science Partners —London
- Hybrid work
- Azure
- SQL
- Analysis skills
- Annual leave
Lead Data Engineer
Liberis —London
- Hybrid work
- Azure
- DevOps
- SQL
Quick apply
11d
Senior Java Developer - Associate/VP
Instinet —London
- Weekend availability
- Hybrid work
- Java
- SQL
- Computer networking
2d
Sr. Full Stack Developer
Broadridge —London
- Full-time
- Doctoral degree
- Computer Science
- Java
Senior Software Engineer
Toumetis —Bristol
- £60,000 - £70,000 a year
- Full-time
- Hybrid work
- DevOps
- AWS
- JavaScript
- Flexible schedule
Quick apply
Full Stack Engineer (Kotlin and/or Python) – VP
Citi —London
- Full-time
- Hybrid work
- Computer Science
- DevOps
- Engineering
- Annual leave
- Employee assistance programme

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Senior Backend Developer

Narwhal Labs
Bristol

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Job details

Permanent
£50,000 - £75,000 a year

Qualifications

Authentication
Azure
Kubernetes
Software deployment
C#
NoSQL
Google Cloud Platform
.NET
Microservices
SQL
Database design
PHP
AWS
Docker
Distributed systems
Back-end development
REST
Mentoring
Data pipeline
APIs
AI
Leadership
Communication skills
Python

Full job description

Job Overview
We are looking for a highly skilled Senior Backend Developer with expertise across multiple backend technologies including Python, .NET and PHP to join our growing engineering team working on our AI communications platform. You will architect, build and maintain robust backend systems while providing mentorship and technical leadership to junior developers. A strong understanding of AI concepts, tools and integrations is essential as we continue embedding intelligent features across our products.

Responsibilities

Design, develop and maintain scalable backend services and APIs using Python, PHP and related technologies
Optimise system performance, reliability and security across all backend components
Ensure high code quality through best practices, testing and documentation
Support and guide junior developers through code reviews, pair programming and ongoing coaching
Lead technical discussions and help define coding standards and development processes
Collaborate closely with product owners, designers and engineers to deliver high-impact features
Contribute to system architecture planning and long-term platform roadmap
Evaluate and introduce new technologies, libraries and tools where appropriate
Integrate AI and machine learning powered features into backend systems
Collaborate with AI and ML specialists to deploy and maintain intelligent services
Stay up to date with emerging AI trends and identify opportunities for automation and optimisation

Requirements

5+ years of backend development experience with strong proficiency in Python, .NET (C#) and PHP
Solid experience with RESTful APIs, microservices, authentication and authorisation, and database design across SQL and NoSQL
Strong understanding of cloud platforms such as AWS, Azure or GCP
Experience mentoring junior developers or leading small development teams
Familiarity with AI and ML frameworks, data pipelines or integrating large language models and APIs
Strong problem-solving skills with the ability to translate complex requirements into scalable solutions
Excellent communication skills and a collaborative mindset

Nice to have

Experience with containerisation tools such as Docker or Kubernetes
Exposure to DevOps tools including CI/CD pipelines and automation
Knowledge of model deployment or MLOps practices
Experience designing distributed systems or event-driven architectures

Job Type: Permanent

Pay: £50,000.00-£75,000.00 per year

Work Location: In person

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