Senior Software Engineer (Python & Java)

About The Opportunity At Avenue Code, we are passionate about transforming businesses through technology. We are a leading end-to-end development consultancy for digital transformation across various markets, growing sustainably since day one. We believe that great results are born from strong relationships.

Our team combines technical expertise, collaboration, and a welcoming approach to work that makes all the difference. We're looking for a Senior Software Engineer to join a Troubleshooting team responsible for the stability and reliability of complex, cloud-based, production-grade systems. This is a hands-on backend role — you'll work close to real production issues, distributed systems, and architecture decisions, not just feature delivery.

The role sits at the intersection of Python and Java/Spring Boot, so strong, recent, real-world experience across both is essential to succeed here.

Responsibilities Design, build, and maintain backend services and APIs using Python and Java/Spring Boot

Investigate and resolve complex production issues across distributed systems, performing deep root cause analysis

Build and evolve microservices architectures deployed in cloud environments

Design, query, and optimize data models using PostgreSQL

Participate in system design discussions and contribute to architectural decisions

Collaborate closely with engineering peers to improve system observability, stability, and resilience

Partner cross-functionally to define, implement, and troubleshoot integrations and platform features

Take ownership of technical problems end-to-end, from investigation through resolution

Required Qualifications Strong, recent, hands-on experience building and maintaining real backend applications in Python

Solid experience with Java and Spring Boot in production environments

Practical experience working with PostgreSQL

Proven experience designing and building microservices and RESTful APIs

Experience working with cloud-based, production-grade systems

Strong troubleshooting and root cause analysis skills in distributed, production environments

Comfortable engaging in system design discussions and architectural trade-off conversations

Ownership mindset and autonomy working through complex, ambiguous technical problems

Advanced to Fluent English for daily collaboration with international teams

Nice To Have Skills Experience with observability and monitoring tooling for production systems

Familiarity with infrastructure-as-code or additional cloud services

Exposure to building AI agents or agentic workflows

Experience working in consultancy or multi-client environments

Avenue Code reinforces its commitment to privacy and to all the principles guaranteed by the most accurate global data protection laws, such as GDPR, LGPD, CCPA and CPRA. The Candidate data shared with Avenue Code will be kept confidential and will not be transmitted to disinterested third parties, nor will it be used for purposes other than the application for open positions. As a Consultancy company, Avenue Code may share your information with its clients and other Companies from the CompassUol Group to which Avenue Code's consultants are allocated to perform its services.