Vista Tech plays a vital role in the Vista group operations by delivering and accelerating comprehensive technology solutions across all brands. Vista’s end-to-end and click-to-flight solutions offer the industry's only comprehensive flight booking platform, seamlessly integrating global operations, and leveraging AI and machine learning to optimize pricing and fleet movement.  

A career at Vista means stepping into an environment where you’re trusted with real autonomy and responsibility from day one. Whether you're keeping our aircraft airworthy, flying our clients across the globe, or working in one of our corporate teams, you’ll move fast, deliver impact quickly, and grow through hands‑on learning and close collaboration within a supportive global community. You’ll play an active role in shaping a transforming organization by improving processes, challenging norms, and driving meaningful change. And throughout, you’ll take pride in making the impossible possible for a worldwide client base. Together you’ll build something extraordinary alongside colleagues who navigate challenges together, celebrate progress, and consistently raise the bar.

As a Senior Software Engineer you are responsible for designing, developing, maintaining, and supporting applications/systems and integrations that power critical financial workflows within the organisation.

This role extends beyond implementation and includes technical leadership within the team, contributing to solution design, system architecture, and engineering standards. The Senior Software Engineer works closely with other engineers, Lead Software Development, Product Managers, and cross-functional teams to build scalable, reliable, and maintainable systems.

The role focuses on high-quality software delivery, technical excellence, and continuous improvement, ensuring that applications/systems are designed with strong architectural principles and built following best practices. The Senior Software Engineer is expected to mentor other engineers, contribute to technical decision-making, and support the evolution of the engineering ecosystem.

Software Development & Technical Execution

• Design, develop, test, deploy, and maintain backend services and APIs supporting financial systems and integrations.
• Develop solutions using Java, Python, and/or Node.js within microservices architectures.
• Build and maintain REST, GraphQL, and SOAP APIs (including Spring Boot-based services).
• Work with relational and NoSQL databases such as MySQL, PostgreSQL, Oracle, and Redis.
• Develop and maintain cloud-native applications in AWS environments.
• Maintain and improve existing systems, including legacy codebases where required.
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Solution Design & Architecture Contribution

• Contribute to the design of scalable, maintainable, and reliable system architectures.
• Participate actively in technical design discussions, proposing solutions aligned with business and engineering goals.
• Evaluate trade-offs between different technical approaches and support decision-making.
• Ensure solutions follow best practices in performance, scalability, security, and cost-efficiency.
• Collaborate with Lead Software Development and other senior engineers on architecture evolution.

Engineering Standards & Code Quality

• Ensure high standards of code quality through code reviews, testing, and adherence to engineering best practices.
• Implement automated testing strategies including unit, integration, and regression testing.
• Promote and follow standards for clean code, documentation, and maintainability.
• Contribute to defining and improving engineering standards, patterns, and reusable components.

Production Support & Reliability

• Participate in troubleshooting, root cause analysis, debugging, and investigation of production issues.
• Support applications in production environments, ensuring reliability and performance.
• Identify and resolve system bottlenecks and performance issues.
• Contribute to monitoring, observability, and operational improvements.

Cross-Functional Collaboration

• Collaborate closely with Product, DBA, DevOps, Infrastructure, and other stakeholders to deliver reliable and scalable solutions.
• Translate business requirements into technical solutions and provide input on feasibility and risks.
• Work with cross-functional teams to support integrations with other systems and financial platforms.

Mentorship & Technical Leadership

• Provide guidance and mentorship to other engineers, supporting their technical development.
• Share knowledge, best practices, and lessons learned across the team.
• Support onboarding of new engineers and contribute to a collaborative engineering culture.

AI-Assisted Engineering Practices

• Apply AI-assisted development tools to improve productivity, code quality, and development efficiency.
• Follow organisational guidelines for the responsible use of AI-assisted tools in software development.
• Support the team in leveraging AI capabilities in coding, testing, documentation, and troubleshooting activities.

Continuous Improvement

• Proactively identify opportunities to improve system design, engineering processes, and development efficiency.
• Contribute to reducing technical debt and improving system maintainability.
• Stay up to date with emerging technologies and engineering practices, sharing knowledge with the team.
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• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent professional experience.
• 6+ years of professional experience as a Software Engineer.
• Experience developing and delivering backend systems in production environments.
• Experience designing and contributing to complex software systems and architectures.
• Experience working with APIs (REST, GraphQL, SOAP).
• Experience working with SQL databases (MySQL, PostgreSQL, Oracle) and NoSQL technologies (Redis or similar).
• Experience with Kafka.
• Experience developing cloud-based applications in AWS.
• Experience with CI/CD pipelines and modern development workflows.
• Experience working in collaborative, cross-functional environments.
• Experience supporting and maintaining production systems.