Senior Python Developer (Fintech)

IO Tech Solutions Limited; Hong Kong; On-site; HKD 900,000 - 1,300,000; Full time

Job summary

IO Tech Solutions Limited is seeking a senior Python developer to design, build, and maintain enterprise software solutions. You will work with product teams to deliver new features and services in an Agile/DevOps environment.

The ideal candidate has 7+ years of Python experience, strong Django or FastAPI skills, and familiarity with microservices, Kubernetes, AI concepts, and financial product workflows. Excellent English communication is essential.

Qualifications

• At least 7 years of Python development experience.
• Experience designing and building enterprise applications.
• Strong Python skills with Django or FastAPI and Pandas or Polars.
• Understanding of microservices, Kubernetes, HTTP, and relational databases/JSON.
• Solid knowledge of SDLC, Agile methodologies, and software testing.
• Familiarity with AI concepts, including machine learning and LLMs.
• Strong analytical and written/spoken English.
• Willingness to learn financial products and business workflows.

Responsibilities

• Design, develop, and maintain software applications.
• Work closely with the Product team to design and deliver new features and services.
• Contribute to software development in an Agile and DevOps environment.
• Ensure deliverables meet defined requirements and acceptance criteria.
• Take ownership of Python-based components, including lifecycle event management, booking modules, and analytics reporting.
• Develop an understanding of the platform's business functionality and financial product workflows to support ongoing development and enhancement.

Skills

Python

Django

FastAPI

Pandas

Polars

Microservices

Kubernetes

HTTP

Relational DBs

JSON

SDLC

Agile

Software testing

AI concepts

Machine Learning

English

Job description

Responsibilities

• Design, develop, and maintain software applications in accordance with established standards and guidelines.
• Work closely with the Product team to design and deliver new features and services.
• Contribute to software development in an Agile and DevOps environment.
• Ensure deliverables meet defined requirements and acceptance criteria.
• Take ownership of Python-based components, including lifecycle event management, booking modules, and analytics reporting.
• Develop an understanding of the platform's business functionality and financial product workflows to support ongoing development and enhancement.

Requirements

• At least 7 years of Python development experience.
• Proven experience designing and building enterprise applications.
• Strong Python skills, with experience in Django or FastAPI and Pandas or Polars.
• Good understanding of microservices, Kubernetes, HTTP connectivity, and data structures such as relational databases and JSON.
• Solid knowledge of SDLC, Agile methodologies, and software testing.
• Familiarity with AI concepts, including machine learning and LLMs.
• Strong analytical and problem-solving skills, with excellent written and spoken English.
• Willingness to learn financial products and business workflows.

Nice to have: Knowledge of financial markets, particularly derivatives and transaction flows. Candidates without prior financial markets experience are stillwelcome to apply.

FinTechDataConnectivitySupportDevelopmentAIStructuresSDLCData StructuresFastAPIOwnershipEvent ManagementPandasFeaturesDeliverablesComponentsDjangoJSONAgile MethodologiesSoftware DevelopmentMicroservicesDevOpsAgileAnalyticsMachine LearningKubernetesDatabasesSoftwareTestingDesignBusinessEnglishPythonManagement

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