Junior python developer Work, Jobs (with Salaries)

Senior Software Developer
Once For All UK —Basingstoke
- Azure
- DevOps
- Java
- Employee assistance programme
Quick apply
Staff Site Reliability Engineer
Replit —London
- Full-time
- Remote
- Mentoring
- Communication skills
- Python
- Life insurance
Senior Data Engineer
Arbuthnot Latham —London
- Azure
- DevOps
- Machine learning
Senior Software Engineer - Search Platform
9fin —London
- Full-time
- Hybrid work
- SQL
- AWS
- APIs
- Sick pay
kdb+ Contractor (Capital Markets)
Data Intellect —Belfast
- Hybrid work
- Azure
- Management
- AWS
Quick apply
11d
Senior Backend Developer
Narwhal Labs —Bristol
- £50,000 - £75,000 a year
- Azure
- SQL
- AWS
Quick apply
Senior Data/AI Engineer - Manager, Engineering AI & Data, AI & Data Solutions
Deloitte —Belfast
- Hybrid work
- SQL
- Analysis skills
- Machine learning
2d
Full Stack Engineer - AI Enabled – Senior Vice President
Citi —London
- Full-time
- Hybrid work
- Azure
- Computer Science
- DevOps
- Annual leave
- Employee assistance programme
Corporate Treasury - DevOps Engineer - Associate - Birmingham
Goldman Sachs —Birmingham
- Full-time
- Computer Science
- DevOps
- Engineering
- Employee assistance programme
Senior DevOps Engineering Manager
The Currency Cloud Services Limited —London
- DevOps
- Java
- Project management
Senior DevOps Engineer - Newcastle
Accenture —Newcastle upon Tyne
- Full-time
- DevOps
- AWS
- Scripting
Senior kdb+ Engineer
Data Intellect —London
- Full-time
- Hybrid work
- Azure
- Management
- AWS
- Paid training
- Referral programme
Quick apply
11d
Senior Engineering Lead, Index Distribution
LSEG (London Stock Exchange Group) —London
- Full-time
- Hybrid work
- Java
- SQL
- AWS
Senior Site Reliability Engineer
Navan —London
- DevOps
- Java
- Master's degree
Quick apply
Senior Software Engineer
Toumetis —Bristol
- £60,000 - £70,000 a year
- Full-time
- Hybrid work
- DevOps
- AWS
- JavaScript
- Flexible schedule
Quick apply
(UK)Senior Engineer - AI Core services
Codvo.ai —Cambridge
- Azure
- Product management
- APIs
Senior Software Engineer - Ad Tech Mediation
Kwalee —Leamington Spa
- Full-time
- Java
- Scripting
- In-person
- Free parking
- Annual leave
Software Engineer - Core Technology
AI Security Institute —London
- £61,620 - £74,605 a year
- Hybrid work
- Azure
- DevOps
- Laboratory experience
- Annual leave
1d

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Staff Site Reliability Engineer - Cloud
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Staff Site Reliability Engineer
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Build and Integrate: Write high-quality, well-tested code in Python or Go to meet the needs of your customers, whether it's building new internal tools or…

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Senior Software Developer

Once For All UK -
Basingstoke

Quick apply

Job details

Benefits

Company pension
Company events
Employee assistance programme
Private medical insurance
Paid volunteer time

Qualifications

Azure
CSS
JUnit
React
Kubernetes
Relational databases
Software deployment
DevOps
C#
Microsoft SQL Server
Git
Google Cloud Platform
Java
xUnit
SQL
Database design
AWS
Analysis skills
Docker
JavaScript
Distributed systems
Back-end development
REST
Mentoring
Angular
UX
Scrum
Software development
APIs
Scalability
Agile
Leadership
TypeScript
Communication skills
Python
HTML

Full job description

Once For All is a high-growth, cloud-based, SaaS subscription business. Our technology helps our customers to manage their supply chain governance, risk management and compliance. We work across public and private sector and have over 250k customers across the UK across 20 different sectors including construction, transport, retail, hospitality education, facility and property management, manufacturing, local and central government.

Role Summary:

We are seeking an experienced and driven Senior Software Developer to join our technology team. This role involves taking technical ownership of projects, guiding team members through design and development, and contributing to the continuous improvement of our engineering practices. You will play a key role in delivering reliable, scalable, and maintainable software solutions while mentoring junior developers and promoting technical excellence across the team.

Job Responsibilities:

Technical Direction : Provide technical direction and mentorship to junior and mid-level developers, conducting code reviews and supporting their professional growth.
Feature Ownership: Take full responsibility for the delivery of features — from technical design and architecture through development, testing, deployment, and monitoring in production.
Software Development: Design, build, and optimize high-quality software using modern engineering principles and practices.
Automated Testing: Lead by example in writing and maintaining automated unit, integration, and end-to-end tests to ensure stability and reliability.
SDLC & Scrum Practices: Actively contribute to and help facilitate the running of our Software Development Life Cycle (SDLC) and Scrum process, including workshops, sprint planning, backlog refinement, daily standups, sprint reviews, and retrospectives.
Architecture & Design: Pro-actively engage in discussions and decisions around system architecture, scalability, and maintainability.
Collaboration: Partner with product managers, designers, and stakeholders to define requirements, refine scope, and deliver impactful solutions.
Code Quality & Best Practices: Enforce and improve development standards, ensuring code consistency, maintainability, and adherence to best practices.
Continuous Improvement: Champion process and tooling improvements across the engineering organization.
Documentation: Ensure technical and architectural documentation is complete, clear, and up-to-date.

Required skills and qualifications:

Experience: Minimum 5+ years of professional software development experience, with proven ability to deliver complex applications in production environments.

Back end skills:

Strong proficiency in C#, Python, and/or Java.
Deep experience building and maintaining APIs and integrations using RESTful architectures.
Strong understanding of SQL and relational database design (e.g., Microsoft SQL Server).
Proficiency with automated testing frameworks (xUnit, NUnit, JUnit, PyTest).
Solid experience with CI/CD pipelines, Git, and modern DevOps practices.

Front end skills:

Proficiency in JavaScript and TypeScript.
Strong experience with React and/or Angular frameworks.
Deep understanding of HTML5, CSS3, and responsive UI/UX principles.
Proven ability to integrate front-end applications with back-end RESTful services and APIs.
Experience with front-end testing tools such as Testcafe, Playright or Cypress.
Comfort with modern build tools and workflows (Webpack, npm, etc.).

Leadership and soft skills:

Proven experience mentoring and supporting junior team members.
Strong analytical, architectural, and problem-solving abilities.
Excellent communication skills — able to explain complex technical concepts clearly.
High sense of ownership and accountability for deliverables.
Collaborative and proactive approach to teamwork and stakeholder engagement.
Commitment to quality, performance, and maintainability.

Preferred qualifications:

Experience with cloud platforms (AWS, Azure, or GCP).
Familiarity with containerization (Docker, Kubernetes) and modern deployment automation.
Experience implementing Agile/Scrum best practices in development teams.
Understanding of security, scalability, and performance optimization in distributed systems.

What we offer:

As well as a career in a fast paced environment within a expanding business, we also offer the below benefits as standard:

Wellness fund or Private Medical Insurance (dependent upon role)
Pension
Life Assurance x 3
25 days holiday plus 8 Bank Holidays
Ongoing continual professional development (CPD)
Holiday purchase Scheme up to 5 days
1 paid and 1 unpaid volunteering day
24/7 and 365 Days Employee Assistance Programme
Team and company offsite events
Specsavers eye care voucher
Free Tea, Coffee and fruit every week – Basingstoke office

Quick apply

Refine Your Search

junior python developer jobs

Senior Software Developer

Staff Site Reliability Engineer

Senior Data Engineer

Senior Software Engineer - Search Platform

kdb+ Contractor (Capital Markets)

Senior Backend Developer

Senior Data/AI Engineer - Manager, Engineering AI & Data, AI & Data Solutions

Full Stack Engineer - AI Enabled – Senior Vice President

Corporate Treasury - DevOps Engineer - Associate - Birmingham

Senior DevOps Engineering Manager

Senior DevOps Engineer - Newcastle

Senior kdb+ Engineer

Senior Engineering Lead, Index Distribution

Senior Site Reliability Engineer

Senior Software Engineer

(UK)Senior Engineer - AI Core services

Senior Software Engineer - Ad Tech Mediation

Software Engineer - Core Technology

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