Senior Backend Engineer

Heidi Health

Senior Software Engineer developing backend systems and AI products at Heidi, transforming healthcare through technology and innovation. Collaborate with diverse teams to deliver scalable solutions.

Posted 6/5/2026full-time🇮🇪 IrelandSeniorWebsite

Tech Stack

Tools & technologies

CloudMongoDBPythonRedis

About the role

Key responsibilities & impact

Ultimately you will have the opportunity to work with the engineering mastermind behind Heidi developing AI products which will change the face of healthcare
Autonomously deliver beautiful & robust code with considerations on code structure design and scalability.
Implement and optimize data storage solutions.
Design, build, and maintain high-performance backend systems using Python.
Architect and manage cloud infrastructure, ensuring scalability and reliability.
Develop and manage message queue systems for real-time data processing.
Collaborate with frontend and AI teams to integrate new features and enhance existing APIs.
Optimize API performance and handle API versioning, documentation, and testing.

Requirements

What you’ll need

Strong sense of ownership & strong problem-solving skills.
5+ years of backend development experience.
Solid experience with MongoDB and Redis for data management.
Experience building & managing message queue systems at scale.
Writing testable, effective and communicative code
Data modeling, design patterns, understanding trade-offs
Deep understanding of API design principles, including security, versioning, and performance.
Data & application security knowledge and skills
Experience in integrating with third-party systems
Competent with source code control and CI/CD pipeline technologies.
Architecting and building highly available, scalable, secure & performant systems

Benefits

Comp & perks

Your health, covered. Comprehensive private medical and dental cover through Bupa, plus 24/7 mental health, coaching and wellbeing support through Sonder and a £100/month Healthy Heidi’s stipend.
Global parental leave. 26 weeks paid for primary carers and 18 weeks for secondary carers, subject to eligibility.
Fertility support. £7,000 one-off payment, eligibility applies.
Learning & development. £700 per year for courses, books, memberships, conferences and more.
Home office budget. £500 one-off to set up a workspace you actually want to work in.
Recharge days after major milestones and busy periods so you can reset and come back strong.
Work from anywhere for up to 4 weeks per year, wherever the world takes you.
Clinical leave. 10 days per year for eligible clinical roles to maintain accreditation and requirements.
Flexibility that works. A hybrid environment, with 3 days in the office.

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Hard Skills & Tools

PythonMongoDBRedisAPI designdata modelingdesign patternsmessage queue systemsdata storage solutionsCI/CDcloud infrastructure

Soft Skills

problem-solvingownershipcollaborationcommunication