Senior Software Engineer - Python (Hybrid)

About Us

Nitro is a global document productivity company accelerating digital transformation in a world that demands the ability to work from anywhere, anytime, on any device. As a global player in the eSign and workflow productivity market, Nitro enables organisations to drive better business outcomes through 100% digital document processes and fast, efficient workflows. The Nitro Productivity Platform offers comprehensive SaaS business solutions, including highly secure eSigning and e-ID, powerful PDF productivity and industry-leading analytics, all supported by a superior customer success team. Nitro has over 3 million licensed users and 13,000+ Business Customers in more than 150 countries, including over 68% of the Fortune 500 and three of the Fortune 10. Nitro is headquartered in San Francisco with nine global hubs.

How We Work

We aim to create an environment where talented individuals are empowered to excel. How we collaborate, innovate, and engage with one another is important to us. Our work is driven by 5 key principles:

One team, One mission

Our collective dedication to Nitro’s mission defines us. Together, we are building an environment where everyone feels like a valued part of something bigger than themselves.

Own it

We take full ownership of our actions and decisions. We empower one another to lead with confidence, creativity, and a solutions-focused mindset.

Accountable to our customers

We are dedicated to our customers and take our commitments seriously. We do what we say we are going to do.

Excellence in execution

Driven by passion and precision, we exemplify excellence in our delivery with innovative, top-quality results.

Be bold, fail fast, learn faster

We learn as we grow, dare to try, and bravely question. We are not chasing perfection but forever iterating towards it.

These guiding values shape our approach to work, fostering a culture where everyone is inspired to contribute their best.

Why Nitro Engineering

Engineering is a critical function at Nitro, developing the products and services at the heart and soul of our business today, and helping us realise our vision of smarter documents in the future. We have an incredibly talented and diverse Engineering team that cares deeply about our users, with a strong culture that believes in building the right things and building them the right way.

Our Nitro Automate Platform is pushing the boundaries of what’s possible with document automation, AI-powered APIs, workflow tooling, and MCP servers. If you love working on cutting-edge technology at pace, this team is for you.

The Role

We are seeking a Senior Python Engineer to design, build, and ship production-grade software on the Nitro Automate Platform. You will work across our REST APIs, AI-powered document processing functions, workflow automation services, and MCP server integrations. You will own the full development lifecycle - from specification and architecture through to deployment and production monitoring.

What You’ll Be Doing

• Designing and building scalable, production-ready Python services and REST APIs for document processing, workflow automation, and AI integration
• Taking full ownership of features across the complete lifecycle: from technical spec and architecture to deployment and production support
• Leveraging agentic coding workflows and AI-assisted development tools to maximise development speed and quality
• Building and integrating with MCP (Model Context Protocol) servers and no-code automation tooling
• Developing and maintaining robust automated test suites (unit, integration, and end to-end)
• Working closely with Engineering Managers, Product, and peer engineers in a fast paced Dublin/Porto team
• Staying current with the latest developments in Python, AI/LLM tooling, and document automation technologies
• Applying CI/CD practices throughout the development process, ensuring reliable and frequent releases
• Sharing knowledge, contributing to technical standards, and mentoring more junior engineers

What We’re Looking For

• 5+ years’ professional experience in backend software development with Python as a primary language
• Strong Python engineering skills: OOP, async patterns, REST API design, and clean architecture
• Demonstrated experience with agentic coding workflows and AI-assisted development from spec to production
• Experience using SQL & NoSQL databases like Postgres, MySQL, MongoDB, DynamoDB. Extra Bonus points for DynamoDB.
• Experience building and deploying cloud-native applications on AWS or Azure using Docker, Kubernetes, and infrastructure-as-code
• Experience with a modern Web/API Framework like FastAPI, Litestar, Robyn, Django DRF. Bonus points for FastAPI
• Experience with asynchronous background processing patterns and workflow orchestration, including AWS Lambda, AWS Step Functions, SQS, Argo Workflows, Azure Functions, Celery and other related event-driven architectures (bonus points for AWS Lambda).
• Hands-on experience with CI/CD tooling and modern DevOps practices
• Strong understanding of testing practices and quality engineering
• Excellent communication skills and experience working in a collaborative agile team
• Comfortable working at pace in a dynamic, fast-moving product environment

Bonus Points For

• Experience building AI or LLM-powered production applications (OpenAI, Anthropic, LangChain, LlamaIndex, RAG pipelines)
• Familiarity with MCP servers, no-code workflow automation platforms, or document processing APIs
• Experience with PDF processing libraries or document manipulation at scale
• Full-stack experience with JavaScript/TypeScript frameworks
• Infrastructure-as-code experience, especially Terraform
• Experience in a fast-paced startup or innovation team environment

A Taste of Our Philosophy

• We believe that engineering should be fun
• The best products demand the best platforms, and that is exactly what we build
• We are passionate about instrumentation, continuous improvement and operational excellence
• We are committed to building systems and services that just work, without heroics
• We not only believe in your personal and professional growth, we expect it

Why Nitro?  

Along with our regular benefits and programs (including health, dental, vision, and retirement as standard), we are also very proud to offer a few additional initiatives to future Nitronauts:  

Flex Time Off  

Work-life balance is important at Nitro, and we understand that there are events that we cannot plan for. We are proud to offer Flex Time Off to be used for holidays, spending days with your family, or appointments.  

Hybrid Work  

Our team embraces the hybrid work model, appreciating its blend of flexibility and structure. We combine three days of in-person collaboration at our global offices in Toronto, Dublin, Antwerp, Porto, and Melbourne with the convenience of two days of remote work each week. 

Benefits:  

Nitro provides all employees with a comprehensive benefits package that includes health insurance, dental and vision coverage, and wellness perks. We also offer pension/401k matching, along with many other country-specific benefits. 

Nitro strongly encourages applications from everyone regardless of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status. We provide an accessible candidate experience and invite you to request any accommodations or adjustments throughout the interview process and beyond. 

#LI_DS1