Lead Software Engineer Python Java Jobs in UK

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Python ML Engineer

Python ML Engineer - Glasgow - Hybrid - Inside IR35 Day Rate - 460 Duration - 12 months Harvey Nash's FS Client have a requirement for a Python ML Engineer, you will support the team in delivering 2 major projects in the Backup Engineering team. Strong Python and Machine Learning experience is key. Required Skil ...

Remote Python Engineer

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to d ...

Remote Python Engineer

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to d ...

Remote Python Engineer

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to d ...

Remote Python Engineer

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to d ...

Remote Python Engineer

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to d ...

Fullstack Python Engineer

Do you enjoy building scalable cloud-native applications with Python and modern frontend frameworks? Role overview We are looking for a Full Stack Python Developer to join one of our strategic digital programmes. You'll be working across backend and frontend systems, helping to scal ...

Senior Python Engineer

At Just Eat Takeaway.com (JET) we believe everything is possible, or, as we say, everything is on the table. We are a leading global online food delivery marketplace. Our tech ecosystem connects millions of active customers with hundreds of thousands of connected partners in countries across the globe. </p ...

Senior Python Engineer

I am delighted to be working with a series-funded and revolutionary AI SaaS platform, based in London, looking to grow its engineering team with a Senior Python Engineer. My client works on a hybrid model with 1 day in the office with the engineering team but you are more than welcome to come in for 2 or 3 da ...

Senior Python Engineer

Senior Python Engineer Department: Global Security Services Employment Type: Permanent - Full Time Location: UK - London Description Working within our Cyber Data Services team, which is at the core of our Proactive Insurance product offer ...

Senior Python Engineer

Senior Python Engineer - Financial Services You will join a financial services business reimagining their technology stack to be cloud-native on AWS, with modern front ends and Python-based services at the core. Great engineering culture matters as well as writing clean, well-designed cod ...

Senior Python Engineer

Senior Python Engineer Department: Global Security Services Employment Type: Permanent - Full Time Location: UK - London Description Working within our Cyber Data Services team, which is at the core of our Proactive Insurance product offer ...

Senior Python Engineer

Senior Python Engineer Key Responsibilities Design, develop, and maintain scalable and reliable software solutions, ensuring alignment with Principals and Architects. Collaborate with cross-functional teams, including Product, QA, and DevOps, to deliver high-quality feat ...

Devops Engineer Python

Role: Devops Engineer Employment: Contract - Inside IR35Location: London,UK - HybridSkills:Minimum Criteria We're looking for someone who has the following key skills and experience •        ...

Python Engineer – Crypto

Salary: £200k + bonusSummaryOne of the largest global HFT funds looking for a highly proactive engineer to join their rapidly expanding crypto division as they help shape the future of the industry.In this role, you will develop a deep understanding of the crypto ...

Junior Python Engineer

Job Description **Junior Python Support Engineer - 6 month contract - Start ASAP - Ireland ** As a Junior Python Support Engineer- EU, you will serve as a technical resource to the Customer Success and Customer Response teams in order to scope out any customization work and ...

Senior Python Engineer

Hungry for a challenge?Our mission? To empower every food moment around the world, whether it’s through customer service, coding or couriers.The opportunity:A Senior Engineer opportunity within our Enterprise AI team. Working with a group of ...

Data Engineer Python

Job DescriptionWhat you’ll be doing:Implement, configure and evolve SaaS data products within client environments, taking solutions from initial onboarding through to long‑term adoption and optimisationOwn the technical delivery of SaaS implementations, ensuring ...

DevOps Engineer (Python)

Your newpany This is a financial institution with an office based in the City of London.Your new role You will be supporting tooling with a strong focus on DevOps delivery and operational support. You will be configuring and maintaining file download and processing tooling, ensur ...

Python/Django Engineer

Job Description ** Python/Django Engineer - 3 month contract - Start ASAP - OUTSIDE IR35 ** My client is urgently looking for a Senior Backend Engineer who is passionate about building new products. Joining at an early stage in this new venture, you will take an active ...

Senior Python Engineer

Are you passionate about building robust, scalable software that makes a real impact? Do you enjoy solving complex problems using Python and modern engineering practices?My client is seeking a Senior Python Engineer to join their growing tec ...

Fullstack Python Engineer

Do you enjoy building scalable cloud-native applications with Python and modern frontend frameworks?Role overviewWe are looking for a Full Stack Python Developer to join one of our strategic digital programmes. You'll be working across backend and frontend systems, helping to scale ...

Senior Python Engineer

Senior Python Engineer Department Global Security Services Employment Type Permanent - Full Time Location UK - London Workplace type Hybrid About the role About you Core Values About CFC CFC is a sp ...

Python/GO Engineer

Salary: up to £200k base + bonusSummaryNot your standard algo trading company, this leading firm prides itself on its flat hierarchy, teamwork, and rewarding people on merit and excellence. Specialists within electronic market-making in FX, equity, fixed income and commodit ...

Python Research Engineer

High-frequency prop trading firm with offices worldwide is looking to expand one of its trading teams in London with a talented Python Research Engineer.In this role, you’ll collaborate with traders and researchers as you help architect and develop unified systems that enable strategies to be produced. ...

Lead Software Engineer and Team Lead

As part of our clients' growing National Security team, you'll lead technical teams from the front, ensuring best practices and delivery of software projects. We are looking for technical leaders who can drive project delivery forward in an Agile environment, whilst mentoring the next generation of Software Engi ...

Software Engineer, Apple Services Engineering in London Apple Inc.

Software Engineer, Apple Services Engineering London, United Kingdom Full time, Competitive compensation, Visa sponsorship not provided. Tech Stack Python C Java Swift Version Control Skills Required <u ...

Senior Full Stack Engineer Space Mission Control (Hybrid)

A leading company in space software development is seeking a Senior Full Stack Software Engineer to join their Ground Segment Software team. The role involves designing and maintaining mission-critical software for satellite operations. Ideal candidates will have 5+ years in software development and proficiency ...

Java Software Engineer Java, Low latency, financial services background, and hands on coding[...]

Must Have – Java, Low-latency, financial services background, and hands on coding skills Our app relies heavily on async development, we use vertex. It takes significant time to switch perspective. And to lead the developer need to already have significant intuition with that, and some mode ...

Lead Java Developer (VP)

Overview Citi is a world‑leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, includi ...

Lead Java Developer (VP)

Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, includi ...

Lead Java Developer (VP)

Discover Your Future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job O ...

Lead Java Developer (VP)

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job O ...

Java Engineers Senior / Lead

Lead & Senior Software Engineer | Fintech Accelerator | London | Scale-up Impact The Opportunity Born from the successful launch of a major digital bank, we are hiring a high-growth venture team with a fresh mission. Building products that solve real-world financial problems by putting ...

Senior Lead Java Developer

Web Developer Senior/Lead Java Developer Want to innovate alongside the smartest technical talent in the industry? Do you aspire to work on developing next generation software that will revolutionize how consumers experience media on the web, TV and mobile device? ...

Senior/Lead Java Developer

Join EPAM as a Java Developer in a hybrid role based in London. Work on complex, data-intensive systems while collaborating with multi-national teams across the globe. You'll architect innovative solutions, mentor talented developers and lead technical initiatives using cutting-edge technologies. T ...

Lead Java Backend Developer

City of Bristol, United Kingdom | Posted on 01/12/2025 We provide end-to-end IT solutions and services including Applications services, Data & Analytics services, AI/ML Technologies and Professional services in the UK and EU market. Job Description Mandatory Skills (Hands-on Exper ...

Java Engineers Senior / Lead

Lead & Senior Software Engineer | Fintech Accelerator | London | Scale-up Impact The Opportunity Born from the successful launch of a major digital bank, we are hiring a high-growth venture team with a fresh mission. Building products tha ...

Java Tech Lead (London)

Java Technical Lead Location: London (Hybrid - 2 days on-site) Salary: Up to £110k + Benefits The Role We're looking for a Java Tech Lead to join a high-performing tech consultancy delivering complex, business-critical systems for enterprise and scale-up cl ...

Senior/Lead Java Developer

Join EPAM as a Java Developer in a hybrid role based in London. Work on complex, data-intensive systems while collaborating with multi-national teams across the globe. You'll architect innovative solutions, mentor talented developers and lead technical initiatives using cutting-edge technologies. T ...

Lead Java Fullstack Developer

About the Job We are looking for a Java Full Stack Lead who will play a key role in leading one of the newly formed Scrum teams. In this role, you will be responsible for designing, building, testing, and implementing features on the iPortal Corporate Digital Self‑Serve platform, ensuring high‑qu ...

Java Engineers Senior / Lead

Lead & Senior Software Engineer | Fintech Accelerator | London | Scale-up Impact Scroll down for a complete overview of what this job will require Are you the right candidate for this opportunityThe Opportunity Born from the successfu ...

Java Tech Lead (London)

Java Technical Lead Location: London (Hybrid - 2 days on-site) Salary: Up to £110k + Benefits The Role We're looking for a Java Tech Lead to join a high-performing tech consultancy delivering complex, business-critical systems for enterprise and scale-up cl ...

Tech Lead (Angular/Java)

Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014.We believe our work should always leave a leg ...

Lead Java Developer (VP)

Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.Job O ...

Java AWS Tech Lead

Job Title: Java AWS Tech Lead Job Type: Permanent Job Location: London , UK Job Description: Need good experience with AWS 10+ years of experience to lead and manage the development team by providing technical direction and guidance for end-to-end ...

Lead Java Developer (VP)

OverviewCiti is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, includi ...

Team Lead Java Developer

Our global, market leading client is looking to recruit Team Lead Java Developers. Description•Java Software Engineering Team Leads in Greater Manchester- Hybrid role 2 days per week in the office.• Technical Leadership & Consulting/Advisory/Traning skills are a must as well as ver ...

Tech Lead (Angular/Java)

Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014.We believe our work should always leave a legacy for ...

Java Software Engineer Hybrid Working Up to £175,000 Base (+ Bonus)

Java Software Engineer - Hybrid Working - Up to £175,000 Base (+ Bonus) Get AI-powered advice on this job and more exclusive features. Job Title: Java Software Engineer Salary: Up to £175,000 Base (+ Bonus) Location: London / Hybrid The role: My cli ...

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    Lead Software Engineer Python Java Jobs in United Kingdom Job Search Guide, Trends and Insights