Principal - Python Engineer

At Mindera, we believe that software is built by people, for people with high performance systems that impact users worldwide. We are looking for a Principal Python Engineer to join an agile, collaborative team where your voice matters as much as your code.

You won’t just be managing infrastructure, you’ll be a technical partner helping us build resilient systems that scale.

We value empathy, self-organization, and the courage to take risks. If you love solving complex problems and believe that teaching others is the best way to learn, you’ll feel right at home here.

We’re looking for someone who loves to build, learn, and guide others. You’ll be working closely with our leadership (CEO/COO) and our clients, so clear communication and a collaborative spirit are key.

At Mindera we encourage the use of AI to assist with coding and related tasks. We find a persons skill in engineering and software craft, has a big impact long term successful delivery, with or without AI. Our goal in the interview process is to understand the candidates knowledge and skill with engineering. If you need to, or plan to use AI, please be transparent with us when you're using it, to avoid issues and misunderstandings that can either: impact your chance of securing the role or impact your success at Mindera.

National and international expected traveling time varies according to project/client and organizational needs: 0%-15% estimated.

How You'll Contribute

• Build Software & APIs: Build software services and APIs using Python frameworks (ideally FastAPI) to create smooth, reliable data processing and deployment experiences.
• Cloud Infrastructure Engineering: Design and maintain secure cloud infrastructure from a software engineering perspective, handling core networking components like WAF and CDN.
• Deploy & Orchestrate: Use Terraform to manage infrastructure as code and deploy scalable services using Kubernetes (specifically AKS) and Docker.
• Build & Maintain Pipelines: Implement end-to-end data solutions , ensuring data flows correctly across real-time (Kafka/Kinesis) and batch architectures

Requirements

We're Looking for Someone Who...

• Bridges Data and Software Engineering (Technical Design): Has deep expertise in software design and architectural principles, applying a software engineer's mindset to solve complex infrastructure and data modeling challenges. Sets the technical direction for the organization, aligning core system designs with strategic goals while effectively communicating complex architectures to diverse stakeholders.
• Drives Python Excellence & Core Engineering Practices (Software Development): Brings mastery in Python and related ecosystem frameworks to lead language and technology adoption across multiple teams. Acts as an expert in identifying and promoting industry best practices, code versioning, advanced debugging, performance tuning, and troubleshooting high-throughput Python applications.
• Elevates Quality & Testing Standards (Testing & Quality Assurance): Serves as an expert in modern testing methodologies, automated test frameworks, and quality assurance strategies, actively defining and driving best practices across multiple engineering and data teams.
• Integrates Security, Observability & Performance (Security, Performance, Observability): Guides teams on embedding security into the software development lifecycle. Optimizes complex Python applications and data pipelines for maximum performance, resource efficiency, and deep operational observability.
• Values Collaboration & CI/CD Excellence (Build & Deployment): Collaborates on robust CI/CD workflows, DevOps capabilities, and automated deployment pipelines across the organization. Drives operational best practices and continuous infrastructure improvements across multiple teams.
• Ensures Operational Resilience (Support & Operations): Holds deep expertise in supporting, monitoring, and operating critical production software systems, leading the resolution and post-mortem analysis of complex technical issues.
• Fosters Agile Execution & Clear Technical Communication (Agile Delivery & Leadership): Demonstrates expert-level execution within Agile frameworks, driving continuous process improvement across teams. Serves as an exceptional communicator capable of translating intricate technical concepts into actionable insight for executive leadership and key partners in English.

Your Technical Toolkit:

• Cloud & Networking: Deep experience (at least 7 years) with Azure and cloud infrastructure (Networking, WAF, CDN).
• IaC & Containers: Proficient with (at least 7 years) in Infrastructure as Code using Terraform , with hands-on experience in AKS / Kubernetes and Docker.
• Programming & APIs: (at least 10 years of experience) Strong Python development skills, with deep expertise in organizing projects and building web services using FastAPI.
• AI knowldge: Experience building AI -enabled applications, particularly in recommendation or conversational systems and evaluation frameworks forLLM or AI systems. Clear understanding of how AI systems differ from traditional deterministic systems.

Benefits

• Permanent contract
• Unlimited PTO
• Flexible working hours
• Training & conferences, create your own training plan
• Work with large scale systems powering global businesses;

Most of all You get to work with a bunch of great people, where the whole team owns the project together in a politics-free environment. Our culture reflects our lean and self-organization attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication. Freedom and Responsibility go hand in hand, and we value commitment, feedback, and empathy.

About Mindera

At Mindera we use technology to build products we are proud of, with people we love.

Software Engineering Applications, including Web and Mobile, are at the core of what we do at Mindera.

We partner with our clients, to understand their products and deliver high-performance, resilient and scalable software systems that create an impact in their users and businesses across the world.

You get to work with a bunch of great people, where the whole team owns the project together.

Our culture reflects our lean and self management attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication.

We are proud of our work and we love to learn all and everything while navigating through an Agile, Lean and collaborative environment.

Check out our Blog and our Handbook!

Our offices are located: Porto, Portugal | Aveiro, Portugal | Coimbra, Portugal | Leicester, UK | San Diego, USA | San Francisco, USA | Chennai, India | Bengaluru, India | Cluj-Napoca, Romania | Blumenau, Brazil | Casablanca, Morocco | Australia