Application Engineering Lead Java Python Microservices Jobs in UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Front Office Python Engineer Greenfield Energy Trading

VirtueTech Recruitment Group is hiring a Python Developer for the Front Office in London, working in a hybrid environment. The role involves engineering robust backend services and contributing to high-impact financial tools used by trading teams. Candidates should have strong Python skills, experience in financ ...

Software Engineer (C++/Python) – Risk Systems (London)

Client Server is seeking a Software Engineer / Developer for a hands-on role in London, focusing on financial Risk systems. With a competitive salary of up to £130k plus a significant bonus, the position offers benefits such as a pension, healthcare access, and work-from-home options. Candidates should possess s ...

SaaS Data Engineer (Python) Client Focused Pipelines

Data Intellect is looking for a talented individual in Belfast to oversee the implementation and optimization of SaaS data products for our clients. The role requires a minimum of 2 years of Python experience in Data Science and Engineering, with a strong focus on delivering high-quality data-driven solutions. T ...

Senior Python Backend Engineer for SaaS & Scale

Populus Select Ltd is seeking an experienced backend-focused developer in Tees Valley, United Kingdom, to support the evolution of a commercial SaaS platform used by enterprise clients. This hands-on role involves developing scalable backend functionality, improving system performance, and contributing to long-t ...

Senior Quant Platform Engineer – Python & Trading Systems

Harrington Starr is seeking a Senior Engineering Technologist to enhance their core analytics platform for trading. This role involves designing and building trading-critical systems, ensuring reliability and performance, while collaborating with traders and quants. Candidates should have over 5 years of softwar ...

Material Scientist with Python Freelance AI Trainer

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. What This Opportunity Involves Design original material engineering problems that simulate real engineering workflows; Cr ...

Senior Data Scientist (Python & SQL) — Project Based

Mindrift in Glasgow, UK, is seeking Data Science specialists for project-based opportunities. Contributors will design computational problems that simulate real-world analytical workflows across various industries. With a focus on Python programming and statistical analysis, candidates should have over 5 years o ...

Senior Python Engineer Demo Data Automation (Flexible)

Global Relay is seeking a Senior Python Software Developer in Greater London to join a dynamic team. In this role, you'll write Python and PowerShell scripts, automate demo data injections, and work closely with cross-functional teams for seamless software delivery. You need over 5 years of Python and 3 years of ...

Data Scientist (Python & SQL) Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project‑based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project‑based, not permanent employment. What Thi ...

Material Scientist with Python Freelance AI Trainer

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. What This Opportunity Involves Design original material engineering problems that simulate real engineering workflows; Cr ...

Senior Software Engineer Python, TypeScript and AWS

External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold yo ...

Python Quant Developer for High Performance Trading

OCR Alpha, a leading quantitative trading firm in Greater London, is seeking a Python Developer to enhance their trading strategies. The role involves collaboration with quantitative researchers to create high-performance tools and frameworks. Key responsibilities include developing Python libraries, improving b ...

Hybrid Senior Software Engineer Python/Django, Cloud

A leading sustainability-focused organization in Birmingham is seeking a Senior Software Engineer to develop scalable software solutions and lead a delivery team. The ideal candidate will have strong expertise in Python and JavaScript, with experience in cloud environments like AWS or Azure. Responsibilities inc ...

Senior Python Engineer Insurance Pricing Platform (Hybrid)

Travelers Europe is seeking a Software Engineer in Greater London to enhance the hx Renew platform, a pricing decision intelligence tool. The role involves collaboration, mentoring junior engineers, and addressing complex engineering challenges. Successful candidates will bring strong programming skills, particu ...

Senior Python Automation Engineer — Tools & Embedded QA

A global media technology company is seeking a Senior Software Engineer to join their software automation team in Cambridge. This role involves building and maintaining automation frameworks and tools for embedded devices with a strong focus on Python and cross-functional collaboration. The ideal candidate has o ...

Quantitative Python Developer: Pricing & Risk (Hybrid/Remote)

Qh4 Consulting, based in Greater London, is seeking a Quantitative Developer at the VP/Director level. The ideal candidate will have a strong quantitative background, solid Python skills, and experience in structured finance, particularly in ABS markets. Responsibilities include designing and maintaining pricing ...

Senior SDET Ad Feature Automation (Python) Hybrid

Roku, Inc. in Cambridge, England is seeking an experienced Software Development Engineer in Test to own quality assurance for ad features on the Roku platform. The role includes collaboration on feature testing, automation strategy, and enhancing customer experience. Candidates should have over 5 years of softwa ...

Staff Machine Learning Engineer (£220,000 | RecSys | Python)

Location: London, 4 days in office (Shoreditch) Salary: Up to £220,000 + Bonus + Compelling Equity This role is with one of Dex’s trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they’re looking for, so we can match ...

Senior Python Backend Engineer (Hybrid) — Scale & Reliability

A technology company is seeking a Senior Python Engineer in Ipswich for a hybrid role. This position involves designing scalable backend systems, owning features from discovery to deployment, and ensuring system reliability. The ideal candidate has proven Python experience, a solid understanding of APIs, and wor ...

Senior Software Engineer — Python/Django, Own Backend

A financial services firm in Greater London is seeking a skilled software engineer to develop and enhance their investment reporting platform. The successful candidate will have over 5 years of experience with Python and Django, be involved in the full software life cycle, and collaborate with various teams. Thi ...

Senior Python Engineer Product Lifecycle Owner (Remote)

A leading UK-based tech company is looking for a Senior Software Engineer to take full ownership of its software product. This role involves leading development projects from concept to deployment, focusing on quality and scalability. Candidates should have over 5 years of Python experience, strong cloud archite ...

Senior Python Backend Engineer — AI Forward & Scalable

A leading retail company in London seeks a Software Development Engineer III to drive high-quality backend service deliveries. This role combines end-to-end product ownership while integrating deeply with existing systems. Candidates should have extensive experience in Python, Fast API, and cloud technologies. Y ...

Senior Python Engineer — MongoDB, Remote, Open Source

Canonical Group Ltd is seeking a Senior Software Engineer specializing in Python and MongoDB to create a fully managed MongoDB solution. This role involves building reliable deployments on various cloud platforms and Kubernetes, significantly impacting the product and its ecosystem. The position offers a competi ...

Credit Quant Developer: Python Migration & Risk Analytics

A leading financial institution in London is looking for a skilled Credit Quant Developer to manage the migration of risk model code from R to Python. This role requires strong programming skills, a solid foundation in econometrics, and the ability to solve complex modeling challenges. Candidates should have exp ...

Senior Python Backend Engineer — Front Office Platform

A leading financial services recruitment agency is seeking an experienced Python Engineer to contribute to a front office-facing platform within a tier-one investment bank. This role involves building backend services in Python, working on data-intensive workflows, and improving system design. Candidates should ...

Senior Software Engineer – Climate Tech (Python/React)

Oliver Bernard is hiring a Senior Software Engineer (Python/React) in Greater London to develop software for climate technology initiatives. This role involves full-stack product development and partnership with a small, mission-led team. Candidates should have strong skills in Python and React, though diverse t ...

Python Automation Engineer — Low Code, n8n & AI

A leading professional services firm in Central London is seeking a Low Code Software Engineer to innovate their automation journey. You will design intelligent workflows using Python and n8n, integrating core business systems and embedding AI agents via Microsoft Azure. Ideal candidates have 2–5 years of experi ...

Data Architect Clinical Knowledge Graph (SPARQL/Python)

Stars Arena in London is looking for an experienced Data Architect specialized in Clinical Knowledge Graph. The role involves designing, developing, and maintaining scalable data pipelines using SPARQL and Python, as well as optimizing complex queries. Knowledge Graph experience is essential. This position is co ...

Senior Python Engineer, Cloud Native AWS & Serverless

A modern financial services firm is looking for a Senior Python Engineer to join their team in the City of London. You will help redesign their technology stack to be cloud-native on AWS, focusing on Python-based services. The ideal candidate should possess solid experience in Python and database technologies, a ...

Senior Python Engineer Remote/Hybrid Backend Architect

A technology-focused company in Northern Ireland is seeking a Senior Python Engineer. This role involves designing and developing high-quality backend systems using Python and modern frameworks. The ideal candidate will have over 5 years of experience, strong problem-solving skills, and an understanding of cloud ...

Cloud Powered Python Engineer for Scalable Solutions

A leading tech firm is hiring a Software Engineer to develop and release improvements to Ubuntu on public clouds. The role requires strong Python skills, extensive experience with Linux, and a passion for open source. Collaborating with a distributed team, you will write high quality code, debug issues, and enga ...

Senior Python Engineer Demo Data Automation (Flexible)

Global Relay is seeking a Senior Python Software Developer in Greater London to join a dynamic team. In this role, you'll write Python and PowerShell scripts, automate demo data injections, and work closely with cross-functional teams for seamless software delivery. You need over 5 years of Python and 3 years of ...

Data Scientist (Python & SQL) Freelance AI Trainer

Participation is project-based, not permanent employment. What This Opportunity Involves Design original computational data science problems that simulate real-world analytical workflows across industries (telecom, finance, government, e-commerce, healthcare) Create proble ...

Senior Full Stack Software Engineer (Python / React)

Skin + Me is a technology-driven start-up on a mission to revolutionise personalised skincare. We've delivered millions of treatments across our multi-brand ecosystem (Skin + Me, Hair + Me, Renew + Me), powered by a proprietary stack that runs everything from our e-commerce engine to our in-house manufactu ...

Senior Python & AWS ML Engineer Production Systems

A leading financial services firm is seeking a Senior Software Engineer to engineer and deploy innovative machine learning solutions. The role involves collaboration with Data Scientists and development of cloud-based frameworks using AWS and Python. Key responsibilities include maintaining applications, leading ...

Senior Frontend & Python Engineer – Hybrid Network Automation

State Street is seeking a highly skilled senior developer in Greater London for full stack development of solutions to automate network technologies. Ideal candidates should have strong proficiency in Python and experience with web frameworks, RESTful APIs, and front-end technologies. The role is hybrid (4 days ...

Founding Full Stack Engineer – Python, Scraping & Automation

CloudDevs is seeking a Founding Engineer based in the UK to lead the technical development of our AI-driven Hospitality Tech platform. You will build features in Python (Django) and manage high-volume data scraping. The role offers a competitive salary between £70k and £90k, along with equity options of up to 2% ...

Front Office Python Developer: FX & Rates Trading

Pontoon is looking for an experienced Front Office Python Developer for a 12-month contract in London, working closely with a high-performing FX & Rates trading desk. You will develop and enhance pricing and risk systems while collaborating directly with traders. Ideal candidates will have strong production-leve ...

Senior Backend Engineer (Python) Hybrid, SC Clearance

Oxford Dynamics Limited is seeking a Senior Backend Engineer to design and evolve scalable backend services using Python in London. This role involves building RESTful APIs, implementing security measures, and collaborating closely with engineering and product teams. You'll need strong experience in ba ...

Front Office Python Developer (Rates/FX Trading)

Job Title: Front Office Python Developer (FX/Rates Trading)Contract: 12 MonthsLocation: London (3 days a week onsite)Rate: Highly competitive daily rateStatus: inside IR35 About the Role We are seeking an experienced Front Office Python Developer to join a global inves ...

Python RF Software Engineer for Hardware & Measurement

A semiconductor company in Cambridge is seeking a Software Engineer to develop Python-based software for RF measurement and control. You will work closely with hardware teams to ensure alignment between hardware and software, integrating and testing solutions on prototypes. Ideal candidates will have strong Pyth ...

Senior Backend Engineer (Python, APIs) Mentor & Scale

Stars Arena is seeking a Senior Backend Engineer in London, United Kingdom. The role requires expertise in Python and APIs, along with the ability to mentor team members. As a full-time position, the candidate must take ownership of projects and understand data management and infrastructure. This oppor ...

Quantitative Developer (Python/C++) for Greenfield MFT

Client Server Ltd. is seeking a highly talented Quantitative Developer specializing in Python and C++ to join their London team. This impactful role involves designing and implementing trade execution algorithms for a Greenfield MFT platform in Equities trading. The successful candidate will be rewarde ...

Senior ML Engineer Project Based (Python, GenAI)

Mindrift is looking for machine learning specialists to engage in project-based AI tasks. Candidates should have over 5 years of experience, demonstrating proficiency in Python programming and statistical analysis. Your responsibilities include designing computational problems and verifying solutions using libra ...

Project Based ML Engineer: Python, GenAI & MLOps

Mindrift offers a project-based opportunity for ML specialists in Glasgow, UK. Contributors will engage in designing and solving computational STEM problems using Python while leveraging their expert knowledge in machine learning and statistical analysis. This role is ideal for those with over 5 years of experie ...

Python Quant Developer for High Performance Trading

OCR Alpha, a leading quantitative trading firm in Greater London, is seeking a Python Developer to enhance their trading strategies. The role involves collaboration with quantitative researchers to create high-performance tools and frameworks. Key responsibilities include developing Python libraries, improving b ...

Senior Software Engineer Python, TypeScript and AWS

External Description Overview Reach beyond with Liberty IT; for this is where you’ll find the super challenges, where you’ll be given the scope and the support to go further, dig deeper and fly higher. We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold yo ...

Platform Automation Engineer Low Latency Infra, Python

A leading systematic trading firm in London is seeking a Platform Engineer to enhance their infrastructure through automation. You will collaborate with a global team, using cutting-edge technologies and practices in a fast-paced environment. The ideal candidate has a degree in Engineering or Computer Science, a ...

Python Quant Developer — Cross Asset Risk & PnL

A leading global investment bank in London is seeking a mid-senior level Python Developer to join their cross-asset strategy group. This role involves working hands-on with trading teams and developing Python-based tools to enhance market risk and PnL analysis. Successful candidates are passionate about programm ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Application Engineering Lead Java Python Microservices Jobs in United Kingdom Job Search Guide, Trends and Insights