Senior Back End Engineer

UK, Poland

Remote

Full-time

Company Overview:

We are an early stage venture based in the UK and Poland with an office in London and hybrid working environment including fully remote staff.

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Our team of experienced venture operators come from diverse backgrounds but we all share a common passion and drive for Hey Alfie's mission.

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Join us on our journey to help billions of people across the globe to live better lifestyles through a more convenient and cost effective way for everyone to find, manage, and improve their homes.

Position Overview:

As a Senior Back End Engineer, you will play a pivotal role in building scalable, fast and highly available API alongside cloud infrastructure from the ground up. Reporting directly to the CTO, you are expected to take ownership of the key features from the Back End perspective, utilising your extensive knowledge of Python and AWS. This position is fully remote. Ideal candidates will be proactive and eager to embrace challenges, possessing the autonomy to significantly influence product direction and oversee projects from inception through to launch.

Responsibilities:

Lead the development of the REST API using Python on FastAPI framework, ensuring robust, scalable, and high-performance solutions.
Develop and maintain cloud infrastructure on AWS.
Collaborate closely with the CTO and product manager to define technical requirements and transform visionary ideas into tangible products.
Drive the architecture and build of new features, focusing simultaneously on scalability and high availability while making tradeoffs with the business.
Uphold high standards of code quality and maintainability with thorough code reviews and adherence to best development practices.
Write comprehensive unit, feature and e2e tests.
Develop CI/CD pipelines to ensure high quality of software delivery.
Document technical decisions and API.
Take initiative in problem-solving, proactively identifying and addressing potential setbacks throughout the development lifecycle.
Mentor junior developers, fostering a culture of learning and continuous improvement within the team.

Requirements:

Minimum of 5 years of experience in backend development, with expert-level proficiency in REST API development using Python.
Experienced and proficient in developing cloud infrastructure, ideally on AWS.
Knowledge of software development best practices, including version control (Git), CI/CD pipelines, and containerization (Docker, Kubernetes).
Experience working in a fast-paced, startup environment where rapid prototyping and iterative development are paramount.
Excellent problem-solving skills, with a strong sense of ownership and accountability.
Outstanding communication and collaboration skills, with the ability to lead projects and interface directly with senior management.
Fluent English with a minimum of B2+ level, enabling effective communication in a professional setting.
Familiarity with Gen AI technologies is a plus.

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