Lead Software Developer (Java, Python & AI)

TL;DR

Lead Software Developer (Java, Python & AI): Designing and delivering scalable software solutions for the aviation industry with an accent on microservices architecture and the integration of AI-driven components. Focus on architecting robust backend services, driving engineering best practices, and leading a team of developers to ensure system reliability and performance.

Location: Barcelona, Spain (Hybrid: work from home up to 2 days/week)

Company

hirify.global's Aircraft Business Unit makes flight operations, air traffic management, and aircraft maintenance more sustainable and efficient through communication, data, and specialized applications.

What you will do

• Lead the design, development, and delivery of scalable, secure software solutions using Java and Python.
• Architect and maintain robust backend services, APIs, and microservices using Spring Boot and clean architecture.
• Ensure solutions are scalable, secure, and observable through performance tuning and reliability improvements.
• Enable the integration of AI/ML components and data services, including service interfaces and evaluation hooks.
• Oversee engineering delivery, including estimation, planning, code reviews, and CI/CD optimization.
• Mentor and guide developers, setting high quality standards and fostering team growth.

Requirements

• 7+ years of software development experience with proven delivery in a senior or lead role.
• Strong expertise in Java (Spring Boot, Hibernate) and solid experience with Python.
• Deep understanding of microservices, REST APIs, distributed systems, and system design.
• Experience with cloud platforms (AWS, Azure, or GCP), Docker, and CI/CD practices.
• Knowledge of software security fundamentals (IAM, SSL/TLS, OAuth/JWT) and secure coding.
• Experience with relational and non-relational databases and performance tuning.

Nice to have

• Experience with Angular or similar frontend frameworks.
• Knowledge of event-driven architectures (Kafka, RabbitMQ) and Kubernetes.
• Familiarity with AI/ML systems and MLOps concepts.
• Domain exposure to Aviation or OCC.

Culture & Benefits

• Flex Week: Work from home up to 2 days per week depending on team needs.
• Flex Day: Flexible workday scheduling to suit personal life and plans.
• Flex-Location: Ability to work from any location in the world for up to 30 days a year.
• Employee Wellbeing: 24/7 Employee Assistance Program (EAP) and access to Champion Health.
• Professional Development: Access to training platforms, including LinkedIn Learning.