Summary
A growing fintech organization is seeking an experienced Backend Developer to join its engineering team. You will work on a microservices-based platform, building and maintaining systems for payment processing, card management, and financial services. The role involves designing, implementing, testing, and maintaining backend solutions across multiple Python services using frameworks such as Django and FastAPI. Responsibilities include designing RESTful APIs, optimizing database queries (PostgreSQL, MySQL, Redis), writing unit tests, maintaining documentation, and collaborating with cross-functional teams. Requirements include a Bachelor's degree in Computer Science or related field, 4+ years of hands-on Python development experience, strong knowledge of a major Python framework, SQL proficiency, and excellent English communication skills. The position is based in Athens with a full-time indefinite contract.
Highlights
Dynamic and collaborative work environment with a full-time indefinite contract. Comprehensive benefits package including flexible benefits, fitness pass, private medical plan, and complimentary breakfast. Opportunity to work on a microservices-based fintech platform handling payment processing and financial services. Recognized with a 96% trust index in workplace surveys. Located in Athens.
Description
About Us
We are Up.
We design and deliver digital-first employee benefits that transform the workplace experience.
We believe that happy and healthy employees work better and smarter.
Our solutions help you achieve this by improving productivity and reducing costs, while consistently delivering an exceptional user experience.
Each offering is shaped around two core principles: simplicity and fun.
After all, the best solutions are easy to implement, hassle-free, and enjoyable for everyone involved!
Today, we empower tens of thousands of leading companies across Greece to engage and retain their people.
We continuously refine the Up experience based on insights from our users, always looking ahead to the future of work.
We have earned a 96% trust index in the Great Place to Work survey!
Up Hellas is a wholly owned subsidiary of Up Group, present in 34 countries worldwide.
www.uphellas.gr
www.up-group.coop
About The Position
We are seeking a talented and experienced Backend Developer to join our team.
You'll be working on a microservices-based platform in the fintech space, building and maintaining systems for payment processing, card management, and financial services.
The role involves designing, implementing, testing, and maintaining backend solutions across multiple Python services.
Key responsibilities:
Backend Development:
Design, develop, and maintain backend services using Python and associated frameworks (Django, FastAPI)Collaborate with cross-functional teams to define, design, and ship new featuresWork within a microservices architecture, understanding service boundaries and inter-service communicationOptimize and refactor existing code for improved performance and maintainability
API Development:
Design and implement RESTful APIs to support frontend and mobile applicationsEnsure API security and authentication mechanisms are robust and up-to-dateCollaborate with frontend developers to integrate frontend components with backend services
Database Management:
Work with various databases, ensuring efficient and optimized queriesDesign and implement database schemas, ensuring data integrity and performancePerform database migrations and handle versioning
Testing and Quality Assurance:
Write unit tests and conduct thorough testing to ensure the reliability and stability of backend componentsCollaborate with the quality assurance team to identify and fix bugs and improve overall system performance
Documentation:
Create and maintain comprehensive documentation for backend systems and APIsDocument code and solutions for future reference and ease of collaboration
Collaboration:
Work closely with frontend developers, product managers, and other stakeholders to understand project requirements and ensure timely delivery of high-quality solutionsParticipate in code reviews and peer coding to maintain code quality and share best practices
Requirements:
Bachelor's degree in Computer Science, Engineering, or a related field4+ years of proven hands-on Software Development experience in PythonStrong knowledge of at least one major Python framework (Django, Flask, FastAPI)SQL knowledge, especially related to query efficiency and optimizationExperience with both external and embedded databases (PostgreSQL, MySQL), as well as with cache engines (Redis)Proficient understanding of CI/CD pipelines and code versioning tools, such as GitSolid understanding of both the functional and object-oriented programming paradigms and how they apply to the Python languageFamiliarity with concepts of MVC, ORM and RESTfulAnalytical mindset and good problem-solving skillsExcellent written and verbal communication in English
Desired, but not mandatory:
Experience with cache engines (Redis)Experience with message brokers (RabbitMQ) and async task processing (Celery)Familiarity with async Python (asyncio, FastAPI async patterns)Experience with NoSQL databases (MongoDB)Experience working with cloud services (AWS, Azure)Experience in working with Atlassian platform (Jira, Confluence)Knowledge of front-end technologies (React, HTML, CSS)Background in fintech, payments, or regulated industries
We offer
A dynamic working environmentLots of benefits: FlexOne, Fitpass, Private medical plan, breakfast (yes - you read that correctly!)A full-time, indefinite contractLocation: Athens' Headquarters
All information received will be treated with strict confidentiality.
