26 to 39 of 39 Senior Python Developer Jobs

is transforming market research. You will be at the forefront of innovation, shaping a product that allows researchers to analyze complex survey data instantly using natural language. As a senior Python developer, you will lead architecture and backend development, taking ownership of key features from concept to deployment. You will design and implement new AI-powered analysis … shape the technical roadmap, own performance and caching optimizations, and elevate the team by guiding and supporting junior developers through mentorship and code reviews. About you: Essential skills: Professional Python experience, including deep knowledge of FastAPI and async workflows. Proven ability to take ownership of features, lead development, and support junior engineers. A genuine love for writing code, demonstrated More ❯

Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture click apply for More ❯

Ready to build smarter, faster, AI-driven solutions that transform digital marketing? Want a better work-life balance with our groundbreaking 4 day week model? We are seeking a Senior Backend Python Developer to support the development of our AI-driven marketing platform, with a strong focus on performance, scalability, and data pipeline architecture click apply for More ❯

I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed Strong Python programming experience within Financial Services - Mandatory Good understanding of quantitative finance Good experience developing and optimising Python-based calculators and models. Strong experience More ❯

I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed Strong Python programming experience within Financial Services - Mandatory Good understanding of quantitative finance Good experience developing and optimising Python-based calculators and models. Strong experience More ❯

Que Technology Group, Inc., is seeking a motivated Senior Python Developer (SWE3) with the right knowledge, skills, and abilities to support a new cybersecurity initiative. You will work closely with a small team and mission stakeholders to capture requirements, create parsers for network protocols, develop fingerprints and signatures to identify suspicious and anomalous network activity, and deploy … and detecting/alerting based on network changes. Required Qualifications: Bachelor's degree in Computer Science with at least eight (8) years of relevant experience or equivalent. Proficiency with Python, C++, and Spark. Experience with Jupyter Notebooks, JIRA, Confluence, and Git/Gitlab. Understanding of ASDF and TCLD. Knowledge of XKEYSCORE/ABYSS fingerprints. Preferred Qualifications: Knowledge of customer More ❯

We’re seeking a topflight Senior Backend Developer with a strong software engineering background including 5+ years majoring in writing Backend applications using Python and Django (Rest Framework). The Senior Backend Developer will be joining a top-flight team of 45 at a world-class healthcare scaleup to help scale a native mobile app … respond to analytics to ensure our products are robust and meet users’ needs Take technical ownership of areas of product Requirements: 5+ years of experience writing Backend applications using Python and Django (Rest Framework)or related frameworks, e.g. Flask, FastAPI or similar Good understanding of ORM (either Django or SQLAlchemy) Good understanding of Python Unit Testing frameworks and More ❯

Design, develop, and deploy Python-based ML solutions for large-scale data analysis. Build and manage ETL/data pipelines for structured and unstructured data. Perform EDA, feature engineering, and model evaluation. Collaborate with data scientists, analysts, and business teams to deliver technical solutions. Optimize models for scalability, accuracy, and performance. Mentor junior engineers and ensure adherence to best … practices. Required Skills & Experience: Proficiency in Python (Pandas, NumPy, Scikit-learn, FastAPI/Flask). Experience with machine learning workflows and deployment. Expertise with Microsoft tools: Azure ML, Azure Data Factory, Synapse Analytics. Strong SQL and data modeling background. Prior experience in Telco Operations preferred. Nice to have: Deep learning (PyTorch, TensorFlow), Docker, Kubernetes. More ❯

A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. Please note, this role is Outside IR35. The company embraces hybrid and flexible working so you will be able to work fully remotely, with occasional visits (perhaps once per month) to the office in London. Web, software, and AI-enabled … technology are fundamental to the success of the business so you must have proven experience of developing great software in Python and an interest in adopting cutting-edge technology. In order to be suitable for this Lead Software Engineer role you must be an accomplished developer with a passion for technology and desire to mentor a team. You … will hold proven experience delivering SaaS projects in Python and will be keenly interested in AI and ML. Experience with AWS and data engineering would be advantageous to your application. In this role of significant responsibility, you will be both a Lead Developer and guide 2 in-house developers and an offshore team. You will act as a More ❯

Overview A well-established business is looking for an accomplished Software Engineer with expert Python skills to join its organisation. This is an Outside IR35 role with hybrid and flexible working; you can work fully remotely with occasional visits to the London office (perhaps once per month). Responsibilities Lead Developer responsible for guiding 2 in-house developers … and an offshore team. Act as the technical authority on software written in Python and lead architectural discussions. Write code, ensure technical quality, and deliver complex software projects. Partner with key stakeholders to drive forward technological innovation and business growth. Qualifications and Skills Proven experience developing great software in Python with a passion for technology and an interest More ❯

models in the application landscape - Develop new functionalities in R&D applications - Conduct code reviews - Implement best process practices Skills Must have 8+ years of experience Advanced knowledge of Python Knowledge of AI frameworks Advanced knowledge in at least one LLM Data Science expertise Nice to have Knowledge of multiple LLMs and their adoption in commercial projects More ❯

Hedge Fund - Senior C++ Quant Developer - Equities - Linux - Python - Data/Algos/Low latency Hedge Fund background essential C++ (Version 11 upwards), Linux, Python (nice to have). Trading systems experience - ideally experience working in the equities space. Ideally the technical has experience with algo implementation. Quantitative Developer - Equities Technology We are in search … of a Quantitative Developer to join our team who is passionate about designing, architecting, and implementing low latency C++ systems that are not only robust, resilient, and accurate, but also exceptionally fast. Our team works directly with the firm's central trading teams. By constructing and maintaining this high-performance infrastructure used by these teams, this developer will … with trading teams to gather requirements and develop solutions in a fast-paced environment Qualifications 5+ years of professional experience in a Front Office, financial services environment as a senior contributor 10+ years cumulative, professional experience Strong background in data structures, algorithms, and object-oriented programming in C++ Permanent role - Central London based - 5 days a week in the More ❯

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (3days in the office and 2 days from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front … end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or scale-up experience Why us More ❯

Python (i.e. SciKit-learn, TensorFlow, PyTorch), R, GIT and experience with Jupyter Notebooks. Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be a US Citizen. Must have TS/SCI clearance w/active polygraph. At least eight (08) years of direct … holistic view. Creatively write and evolve prototype techniques leveraging diverse architecture and methods. Provide database administration, dataflow engineering, data wrangling, and model development. Proficiency with, but not limited to, Python (i.e. SciKit-learn, TensorFlow, PyTorch), R, GIT and experience with Jupyter Notebooks. Ability to provide database administration for relational databases and TensorFlow. These Qualifications Would be Nice to Have More ❯