Senior Python Full Stack Engineer in Belfast

Version 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology landscape. We foster strong partnerships with global technology leaders including Microsoft, AWS, Oracle, Red Hat, OutSystems, Snowflake, ensuring that our customers are provided with the highest quality solutions and services.

We are seeking a highly skilled Senior Python Support Engineer with strong development expertise and a solid background in production support. This role combines hands-on Python development with operational support responsibilities, ensuring the reliability, scalability, and continuous improvement of critical systems. The ideal candidate will have deep experience in Python development, support and incident management, modern delivery methodologies, cloud platforms, and front-end JavaScript technologies.

Key Responsibilities

• Provide L2/L3 support for Python-based applications in production environments
• Monitor system performance, troubleshoot incidents, and perform root cause analysis
• Drive incident resolution, problem management, and continuous service improvement
• Implement and enhance monitoring, logging, and alerting solutions
• Design, develop, and maintain scalable applications using Python
• Write clean, maintainable, and well-tested code following best practices
• Contribute to architecture decisions and technical design
• Optimize performance and improve application efficiency
• Work within Agile / Scrum / DevOps delivery models
• Contribute to CI/CD pipeline implementation and optimisation
• Support automated testing, code reviews, and release processes
• Collaborate closely with cross-functional teams (Dev, QA, Ops, Product)
• Design and support solutions deployed on cloud platforms such as AWS and Azure
• Work with modern containerisation and orchestration tools: Docker, Kubernetes
• Manage infrastructure as code (e.g., Terraform, ARM, CloudFormation)
• Ensure security, scalability, and resilience of cloud-based systems
• Develop or support UI components using modern JavaScript frameworks (e.g., React and Angular)
• Collaborate with UX/UI teams to improve user experience
• Ensure seamless integration between front-end and back-end systems

Qualifications Required Skills & Experience

• Strong hands-on experience with Python (5+ years preferred)
• Proven experience in application support / production support environments
• Experience with REST APIs, microservices architecture, and integration patterns
• Solid understanding of software development lifecycle (SDLC) and Agile practices
• Experience with cloud platforms (AWS, Azure, or GCP)
• Proficiency in JavaScript and at least one modern front-end framework
• Experience with CI/CD tools (e.g., Jenkins, GitHub Actions, Azure DevOps)
• Familiarity with monitoring tools (e.g., Prometheus, Grafana, ELK, Splunk)
• Strong debugging, troubleshooting, and analytical skills

Desirable / Nice to Have

• Experience with event-driven architectures (Kafka, RabbitMQ)
• Knowledge of database technologies (SQL and NoSQL)
• Certification in ITIL
• Experience in high-availability, enterprise-scale systems
• Certifications in cloud or Agile methodologies

Soft Skills

• Strong communication and stakeholder management skills
• Ability to work under pressure and handle critical incidents
• Proactive mindset with a focus on continuous improvement
• Team player with mentoring capability for junior engineers

At Version 1, we believe in providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability. Share in our success with our Quarterly Performance-Related Profit Share Scheme, where employees collectively benefit from a share of our company's profits. Strong Career Progression & mentorship coaching through our Strength in Balance & Leadership schemes with a dedicated quarterly Pathways Career Development programme. Flexible/remote working, Version 1 is tremendously understanding of life events and people's individual circumstances and offer flexibility to help achieve a healthy work-life balance. Financial Wellbeing initiatives including; Pension, Private Healthcare Cover, Life Assurance, Financial advice and an Employee Discount scheme. Employee Wellbeing schemes including Gym Discounts, Bike to Work, Fitness classes, Mindfulness Workshops, Employee Assistance Programme and much more. Generous holiday allowance, enhanced maternity/paternity leave, marriage/civil partnership leave and special leave policies. Educational assistance, incentivised certifications, and accreditations, including AWS, Microsoft, Oracle, and Red Hat. Reward schemes including Version 1's Annual Excellence Awards & 'Call-Out' platform. Environment, Social and Community First initiatives allow you to get involved in local fundraising and development opportunities as part of fostering our diversity, inclusion and belonging schemes.

Version 1 is an equal opportunities employer. We are committed to building a diverse, inclusive and respectful workplace where everyone feels valued and able to thrive. We welcome applications from people of all backgrounds, identities and lived experiences, and we value the different perspectives people bring.