Experienced Product Engineer – Full Stack
Department: Engineering
Employment Type: Permanent – Full Time
Location: London
Reporting To: Engineering Lead
Description
Oritain is a global leader in the forensic origin verification of products and raw materials. With offices in London, Paris, Auckland, Dunedin, Singapore and Washington D.C, our vision is to be the source of truth in global supply chains.
Through our proprietary methodology, our mission is to harness cutting edge science, data, and specialised services to create a community of origin verified buyers and suppliers, protecting our people and planet. We empower the world’s leading brands to make positive changes across their supply chain; ensuring product integrity, meeting regulatory demands, and reducing the risk of fraud and unethical sourcing – creating real change in our world.
About the Role
The Experienced Product Engineer plays a key role in designing and building new customer-facing applications and APIs that sit at the heart of our product offering. You will work across the full stack, with a focus on building robust backend services and modern, responsive front-end experiences, all within a cloud-native environment on Microsoft Azure.
Reporting to the Engineering Lead, you will take real ownership of what you build, working closely with Product, Design, Data and Science teams to deliver features end-to-end. This is a role for an engineer who cares as much about what they are building as how they are building it, and who wants their work to contribute to something that genuinely matters.
For a software engineer who wants to work on technically interesting problems with real-world impact, in a collaborative team where craft and ownership are valued, this is a great opportunity.
Why join now
We’re entering the next phase of our platform evolution, investing heavily in new customer products, AI-enabled capabilities and global scale. This is an opportunity to influence architecture, product direction and engineering culture where individual contributions have visible impact.
What you’ll be doing
On the backend, you will design, build and maintain scalable services and RESTful/GraphQL APIs using Python with Django or FastAPI, writing clean, well-tested, production-grade code with a focus on reliability and performance. You will design and implement data models working with PostgreSQL and cloud-native data services, and build and maintain CI/CD pipelines with automated testing, linting and deployment as standard.
On the frontend, you will build modern, responsive user interfaces using React with TypeScript, collaborating closely with Product and Design to translate requirements and wireframes into functional, accessible UI components. You will ensure frontend performance, accessibility and cross-browser compatibility throughout.
Across the platform, you will contribute to infrastructure decisions and service architecture within our Azure environment, support observability, monitoring and alerting for production services, and participate in incident response and root cause analysis when issues arise.
You will take end-to-end ownership of features from technical design through to delivery and iteration, participate actively in code reviews and architectural discussions, mentor and support junior and mid-level engineers, and partner with our Data and Science teams to understand how application services integrate with the broader data platform.
What we’re looking for
You bring significant professional experience, typically five or more years, in software engineering with a strong track record of delivering production systems. You have backend proficiency in Python with Django or FastAPI, strong frontend experience with React and TypeScript including component architecture, state management and modern tooling, and a solid understanding of relational databases, PostgreSQL preferred, covering schema design, query optimisation and migrations.
You have experience with cloud platforms, ideally Microsoft Azure, and familiarity with containerisation using Docker and CI/CD practices. You bring a pragmatic, product-minded approach to engineering and strong communication skills that allow you to work effectively in a collaborative, cross-functional team.
Experience with data engineering concepts such as ETL/ELT pipelines or data platforms like Databricks and Azure Data Factory would be an advantage, as would familiarity with event-driven architectures or message queues, experience with scientific, geospatial or time-series data, or exposure to infrastructure as code using Terraform. Comfort with AI-assisted development tools and an interest in integrating AI capabilities into products would also be welcome.
Tech stack:
- React/Typescript frontend (strong commercial experience required)
- Python backend (basic experience and willingness to learn required)
What you’ll gain
- The opportunity to shape products from an early stage rather than maintain legacy systems.
- Exposure to a unique combination of software engineering, science, AI and data platforms.
- Opportunities to grow into technical leadership, architecture or people leadership pathways.
- The chance to influence platform and product direction as the company scales globally.
- Hybrid working (minimum 3 days per week in our Farringdon office)
- 35 days paid leave, inclusive of public holidays
- Birthday off
- Enhanced Maternity and Paternity Leave
- Life insurance
- Healthcare Cash Plan
- Employee Assistance Programme (EAP)
- Pension
- Breakfast, snacks, Friday lunch and barista coffee in the office
- Learning portal with over 100,000 assets for professional development
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