The Role
Lead and architect the leonardo web application, write production code (80% hands-on), make key technical decisions, set up DevOps/MLOps and deploy ML models, perform code reviews, optimise performance, mentor developers, and collaborate with product, design, ML and stakeholders.
Summary Generated by Built In
leonardo is a B2B SaaS solution that helps organisations measure sustainability impact. We combine scientific standards and engineering excellence to drastically simplify the complex task of impact measurement. leonardo's suite of software tools enable organisations to measure, analyse, verify and report on impact, while remaining compliant to regulatory standards. We partner with organisations and businesses of any size from project developers on the ground, to capital providers and impact funds. Our goal is to tackle the world's most pressing problems by making meaningful impact data accessible.
We're looking for a Lead Software Engineer to be the head of the spear that is our development team. This is a full-time hybrid position (not remote) located in Frankfurt am Main, with the flexibility of working from home up to 10 days a month. You're a startup person through and through – you enjoy faced paced work, tight deadlines, figuring things out, quick turnarounds, and small and talented teams. You will be responsible for architecting, developing, optimising and maintaining the leonardo software to continue to effectively deliver critical impact data. You will collaborate closely with other developers, architects, designers, data scientists, sustainability experts and product managers to ensure the software and systems meet current and future business needs. You're a will be coding 80% of the time and will undergo a rigorous live coding test as part of your interview process – we are not looking for an Engineering Manager.
Tasks
* Lead a growing development team, incl. coaching other developers to upgrade the overall skill level of the team
* Make key technical & architectural decisions to ensure a high standard of security, efficiency and scalability
* Hands-on development of the leonardo web application
* Perform FE and BE code reviews and ensure best practices and high code quality is maintained
* Research & recommend new technologies that will meet business requirements
* Optimise code and algorithms to boost performance
* Setup and optimise DevOps processes
* Attend meetings with stakeholders and clients to provide technical feedback
* Deployment of ML models
* Collaborate with the Product, Design and ML teams to provide estimates and inputs on the difficulty & limitations of features
Requirements
* Minimum 9 years of experience in software development
* Experience in leading, hiring, and mentoring a development team
* Advanced knowledge in: Next.js, React.js, Node.js, TypeScript, Test Driven Development, DevOps, MLOps, AWS Services
* Familiarity with MLOps, particularly experience with pipelines that require large language models or computer vision
* Fluent in spoken and written English
* Experience with both monolith and microservices architectures
* Comfortable communicating ideas or deliverables to the team and clients
* Bonus: Experience with pipelines that require large language models or computer vision
Benefits
* Flexible working hours and a hybrid working model
* 30 days paid leave per year
* Personal and professional development opportunities
* Opportunity to build and influence the product and dev team
* An international team
* Company laptop
* Bike leasing
* Gym pass
Join our team at leonardo and make a meaningful impact in tackling the world's pressing problems. Apply now for the Principal Software Engineer position!
We're looking for a Lead Software Engineer to be the head of the spear that is our development team. This is a full-time hybrid position (not remote) located in Frankfurt am Main, with the flexibility of working from home up to 10 days a month. You're a startup person through and through – you enjoy faced paced work, tight deadlines, figuring things out, quick turnarounds, and small and talented teams. You will be responsible for architecting, developing, optimising and maintaining the leonardo software to continue to effectively deliver critical impact data. You will collaborate closely with other developers, architects, designers, data scientists, sustainability experts and product managers to ensure the software and systems meet current and future business needs. You're a will be coding 80% of the time and will undergo a rigorous live coding test as part of your interview process – we are not looking for an Engineering Manager.
Tasks
* Lead a growing development team, incl. coaching other developers to upgrade the overall skill level of the team
* Make key technical & architectural decisions to ensure a high standard of security, efficiency and scalability
* Hands-on development of the leonardo web application
* Perform FE and BE code reviews and ensure best practices and high code quality is maintained
* Research & recommend new technologies that will meet business requirements
* Optimise code and algorithms to boost performance
* Setup and optimise DevOps processes
* Attend meetings with stakeholders and clients to provide technical feedback
* Deployment of ML models
* Collaborate with the Product, Design and ML teams to provide estimates and inputs on the difficulty & limitations of features
Requirements
* Minimum 9 years of experience in software development
* Experience in leading, hiring, and mentoring a development team
* Advanced knowledge in: Next.js, React.js, Node.js, TypeScript, Test Driven Development, DevOps, MLOps, AWS Services
* Familiarity with MLOps, particularly experience with pipelines that require large language models or computer vision
* Fluent in spoken and written English
* Experience with both monolith and microservices architectures
* Comfortable communicating ideas or deliverables to the team and clients
* Bonus: Experience with pipelines that require large language models or computer vision
Benefits
* Flexible working hours and a hybrid working model
* 30 days paid leave per year
* Personal and professional development opportunities
* Opportunity to build and influence the product and dev team
* An international team
* Company laptop
* Bike leasing
* Gym pass
Join our team at leonardo and make a meaningful impact in tackling the world's pressing problems. Apply now for the Principal Software Engineer position!
Skills Required
- Minimum 9 years of experience in software development
- Experience leading, hiring, and mentoring a development team
- Advanced knowledge of Next.js, React.js, Node.js, and TypeScript
- Experience with Test Driven Development
- Experience with DevOps and AWS Services
- Familiarity with MLOps and pipelines involving LLMs or computer vision
- Experience with both monolith and microservices architectures
- Fluent spoken and written English
- Willingness to complete a rigorous live coding test as part of interview
- Comfortable communicating technical ideas and deliverables to team and clients
- Bonus: Experience with pipelines that require large language models or computer vision
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The Company
What We Do
leonardo. impact is an AI-powered B2B SaaS platform that enables impact funds, DFIs, and SMEs to measure, verify, and report their social and environmental impact and ESG performance. By combining scientific standards with engineering excellence, the company streamlines impact data collection and verification, providing organizations with a reliable way to report their impact to stakeholders and drive meaningful, sustainable change.

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