Mid Level/ Senior Python Developer

TEKsystems; Greater London; Hybrid; GBP 92,000 - 129,000; Full time

Job summary

TEKsystems seeks a Python Developer for a hybrid-contract role in Bromley, UK. You will design, develop and maintain enterprise Python applications supporting regulatory reporting within a high-volume financial services environment.

The role involves delivering scalable data pipelines, collaborating with analysts and regulatory teams, and ensuring data accuracy and operational resilience across the platform.

Qualifications

• Proficient Python development experience in a production environment.
• Experience with regulatory reporting or financial services is a plus.
• Strong SQL/DB development skills with Oracle preferred.
• Experience building scalable data processing pipelines and APIs.

Responsibilities

• Design, develop and maintain Python applications for regulatory reporting.
• Translate regulatory requirements into technical solutions with stakeholders.
• Build scalable data processing pipelines for large transaction volumes.
• Develop reconciliation and validation frameworks for data integrity.
• Manage software releases through full development lifecycle including testing and deployment.
• Collaborate with cross-functional teams on regulatory change programs.

Skills

Python programming

Investment banking experience

Data processing

Regulatory reporting knowledge

Tools

Flask

Pandas

Oracle Database

Elasticsearch

Quartz Scheduler

Git

CI/CD tooling

Job description

Job Title: Python Developer (Contract, Hybrid)

Job Description

Overview

We are seeking a Python Developer to join a high-performing regulatory technology team within a leading investment bank. The successful candidate will design and develop scalable solutions supporting regulatory reporting platforms, ensuring compliance with evolving financial regulations while processing high volumes of transaction data.

This role

combines hands-on software engineering, data analysis, platform enhancement, and close collaboration with regulatory and business stakeholders.

Key Responsibilities

• Design, develop and maintain enterprise-grade Python applications supporting regulatory reporting and compliance functions.
• Partner with Business Analysts, Compliance teams and Transaction Reporting SMEs to translate complex regulatory requirements into technical solutions.
• Build highly scalable data processing pipelines capable of handling millions of daily financial transactions.
• Conduct detailed data analysis, investigations, and root-cause assessments relating to reporting breaches and regulatory inquiries.
• Develop reconciliation and validation frameworks to ensure reporting accuracy and data integrity.
• Support remediation initiatives through the design of historical replay and data reconstruction capabilities.
• Drive system enhancements focused on performance, reliability, auditability and operational resilience.
• Manage and support software releases through the full development lifecycle, including testing, deployment and production support.
• Collaborate with cross-functional technology teams to deliver regulatory change programmes and strategic platform improvements.

Required Skills & Experience

• Strong commercial Experience developing applications in Python.
• Proven Experience within investment banking, capital markets or financial services environments.
• Experience building scalable, high-volume data processing solutions.
• Strong understanding of transaction processing, financial data flows and regulatory reporting systems.
• Experience developing APIs and web applications using Flask or similar Python frameworks.
• Advanced SQL and database development Experience, ideally with Oracle Database.
• Strong data analysis and manipulation skills using Pandas.
• Experience developing reconciliation, validation or control frameworks.
• Knowledge of software engineering best practices, CI/CD and release management.
• Excellent stakeholder engagement skills, with Experience working directly with business and regulatory reporting teams.

Desirable Experience

• Experience with transaction reporting regulations such as MiFID II, EMIR, SFTR, or similar.
• Experience with Elasticsearch.
• Knowledge of event-driven architectures and data replay/reprocessing frameworks.
• Experience with scheduling and orchestration tools such as Quartz.
• Exposure to regulatory remediation programmes and audit-driven development practices.
• Understanding of parallel processing and distributed computing techniques.

Technical Stack

• Python
• Flask
• Pandas
• Oracle Database
• Elasticsearch
• Quartz Scheduler
• Git
• CI/CD Tooling

Location

Bromley, UK

Rate/Salary

.00 GBP Daily