At a Glance
- Tasks: Design and build high-performance software for financial and energy market analytics.
- Company: Join a leading firm in financial services with a focus on innovation.
- Benefits: Competitive pay, mentorship opportunities, and a dynamic work environment.
- Why this job: Shape the future of trading analytics while leading and mentoring junior engineers.
- Qualifications: 7+ years in software development, preferably in financial services or energy trading.
- Other info: Collaborative culture with opportunities for continuous improvement and career growth.
The predicted salary is between 48000 - 72000 £ per year.
We’re looking for a Senior Python Developer to design, build, and maintain high‑performance, scalable solutions that support financial and energy market analytics. You’ll work with complex datasets, trading systems, and front‑office stakeholders to deliver robust data and analytics products. You will play a key role in shaping engineering practices, leading junior engineers, guiding architectural decisions, and collaborating across squads to deliver innovative, business‑critical solutions.
Key Responsibilities
- Designing, developing, testing, and deploying scalable, high‑performance software solutions for data processing and analytics.
- Collaborating with business stakeholders to understand market and trading requirements and translate them into robust technical solutions.
- Providing technical leadership, code reviews, and mentorship to junior engineers.
- Troubleshooting, diagnosing, and resolving operational or performance issues in production systems.
- Engaging with other squads, product managers, data scientists, and technical stakeholders to deliver integrated solutions.
- Applying engineering best practices including TDD/BDD, CI/CD automation, and high‑quality documentation.
- Contributing to architectural decisions and evaluating technology options.
- Supporting continuous improvement of software engineering and data engineering standards within the team.
Qualifications
- Bachelor’s degree or higher in computer science, engineering, or a related field.
- At least 7 years of professional experience in software development, ideally within financial services or energy trading.
Key Skills – Domain & Soft Skills
- Experience with front‑office trading systems and financial market data.
- Experience working with large‑scale data processing and analytics workloads.
- Strong track record of mentoring and coaching junior engineers.
- Ability to design innovative solutions while engaging closely with business stakeholders.
- Strong technical leadership and collaboration skills.
- Excellent communication and interpersonal skills; able to thrive in a diverse, fast‑paced, and dynamic environment.
Key Skills – Technical
- Core Skills – Must Have
- Python 3.9+: Design patterns, separation of concerns, OOP fundamentals, logical data modelling, pandas, SQLAlchemy/psycopg2, Poetry/setuptools, awareness of new PEP features.
- Python test automation: TDD, BDD; unit, integration, and end‑to‑end testing.
- SQL: SQL Server/T‑SQL; PostgreSQL/PG‑SQL; tuning, joins, aggregation, stored procedures, transactions.
- Cloud Environments: AWS/Azure principles and technologies.
- Python 3.9+: parquet/arrow experience.
- Airflow: schedulers, executors, operators, XCom, DAG execution at scale.
- Databricks: Hive/Unity Catalog, optimisation, PySpark, Databricks Connect.
- Log Analytics: Splunk, Elastic Stack, Grafana/LOKI/Prometheus.
- Dataiku (or similar) – awareness of platform concepts; experience is a bonus.
Senior Python Developer – Digital Trading Analytics employer: TESTQ Technologies Limited
Contact Detail:
TESTQ Technologies Limited Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Python Developer – Digital Trading Analytics
✨Tip Number 1
Network like a pro! Reach out to your connections in the financial and energy sectors. Attend meetups or webinars related to digital trading analytics. You never know who might have the inside scoop on job openings!
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your Python projects, especially those related to data processing and analytics. This will give potential employers a taste of what you can do and set you apart from the crowd.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and understanding key concepts in trading systems. Practice common interview questions and scenarios that relate to high-performance software solutions.
✨Tip Number 4
Don’t forget to apply through our website! We’re always on the lookout for talented individuals like you. Plus, it’s a great way to ensure your application gets the attention it deserves.
We think you need these skills to ace Senior Python Developer – Digital Trading Analytics
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Python Developer role. Highlight your experience with Python, data processing, and any relevant financial or energy market projects. We want to see how your skills align with what we’re looking for!
Showcase Your Projects: Include specific examples of projects you've worked on that demonstrate your ability to design and build scalable solutions. If you’ve mentored junior engineers or led teams, let us know! We love seeing how you’ve made an impact.
Be Clear and Concise: When writing your application, keep it clear and to the point. Use bullet points where possible to make it easy for us to read. We appreciate a well-structured application that gets straight to the good stuff!
Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. We can’t wait to see what you bring to the table!
How to prepare for a job interview at TESTQ Technologies Limited
✨Know Your Python Inside Out
Make sure you brush up on your Python skills, especially the latest features in Python 3.9+. Be ready to discuss design patterns, OOP fundamentals, and how you've used libraries like pandas and SQLAlchemy in past projects.
✨Understand the Financial Landscape
Familiarise yourself with front-office trading systems and financial market data. Being able to speak knowledgeably about how your technical solutions can impact trading and analytics will impress the interviewers.
✨Show Off Your Leadership Skills
Prepare examples of how you've mentored junior engineers or led projects. Highlight your experience in code reviews and how you've contributed to architectural decisions in previous roles.
✨Communicate Clearly and Confidently
Practice explaining complex technical concepts in simple terms. Good communication is key, especially when collaborating with business stakeholders. Make sure you can articulate your thought process and problem-solving strategies.