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Senior Quant Trading Engineer Java & Crypto

Quant Capital is urgently hiring for a Senior Software Engineer specializing in Quant Trading based in London, United Kingdom. The role offers a competitive salary range of £150,000-200,000, plus a bonus of £50,000-80,000. The position focuses on developing top-tier trading systems for a leading player ...

Software Engineer (Mid/Senior) – Embedded, AI & Cloud

One Big Circle Ltd in the West of England is looking for a Software Engineer at mid to senior levels. The role involves designing, developing, and maintaining software solutions while collaborating with teams to achieve system integration. Candidates should have 3+ years of experience, proficiency in C++/Python, ...

Senior Software Engineer – RGS Platform Lead (Hybrid)

Light & Wonder - iGaming is looking for a Senior Software Engineer in Chiswick, UK, to lead the technical internalisation of their Remote Gaming Server. The ideal candidate will have strong experience in Python and SQL, and will take ownership of the codebase, collaborating with product and DevOps teams to ensur ...

Senior Core Services Engineer – Secure Auth & Observability

A leading technology firm in Greater London is seeking a Senior Software Engineer to join their Core Services team. The role involves designing and implementing robust authentication and authorization systems while building fine-grained access control models. The ideal candidate should have a strong command of G ...

Senior GenAI Platform Engineer

A global information provider is seeking a Senior Software Engineer II to drive architectural decisions and develop generative AI services. The ideal candidate should have over 5 years of software engineering experience, deep expertise in Python or Java, and strong experience with Kubernetes. Responsible for des ...

Senior Software Engineer Hybrid Build Impactful Tools

A leading tech company is seeking a Senior Software Engineer to design and build innovative tools and platforms. This role involves delivering scalable solutions, championing best practices, and integrating data into insightful tools. Candidates should possess strong skills in JavaScript/TypeScript, Python, and ...

Senior Cloud QA Engineer — Test Automation & SRE Alignment

Advantage Resourcing UK Ltd is seeking a Senior Software Engineer in Test on a temporary contract until March 2027. Located in Manchester, this position requires demonstrable experience in developing and testing cloud-native applications, alongside programming skills in Java or Python. Key responsibilities inclu ...

Senior Software Engineer

As a Senior Software Engineer at noon — the Middle East's leading e-learning platform — you'll build scalable systems that serve millions of learners. Based in London, you'll work on backend architecture, APIs, and data systems in a fast-growing EdTech company with a global engineering team. Skill ...

Senior Software Engineer Modelling & Performance

Riverlane is seeking a Senior Software Engineer in Cambridge to lead the design of simulation and emulation models for their Quantum Error Correction stack. Candidates should have strong experience in functional and performance modelling, proficiency in Python, C++, or Rust, and the ability to work collaborative ...

AI Ready Data Architect Snowflake & Cross Cloud

Experis is looking for a Senior Data Engineer in Wembley, UK, with over 10 years of experience in Data Engineering and a specialization in Snowflake platform design. The candidate will be responsible for defining data modelling standards and implementing secure data pipelines across cloud platforms. Expertise in ...

Senior Software Engineer (AVP) Hybrid Finance Tech

Citibank (Switzerland) AG is looking for a Senior Software Engineer in Belfast to join their Markets Operations Technology team. You will tackle engineering challenges while building robust solutions using Java, React, and Python. This role comes with a competitive base salary, 27 annual leave days, private medi ...

Senior Test Automation Engineer: CI/CD & Cross Platform QA

A leading gaming and entertainment company in London is seeking a Senior Software Development Engineer in Test. This role focuses on developing automation and robust CI/CD systems to enhance test coverage and workflow. The ideal candidate will have extensive experience with Python, CI/CD pipeline maintenance, an ...

Senior Site Reliability Engineer Scale & Observability Lead

A leading IT consulting firm in London is seeking a Senior Site Reliability Engineer to play a key role in operational support while implementing a variety of AWS services. You will monitor systems, troubleshoot issues, and ensure a strong performance and scalability mindset. The ideal candidate will possess str ...

Senior Real Time Data Reliability Engineer

Bloomberg is hiring a Senior Software Engineer in London to work on their real-time data platform. The role focuses on engineering reliability through software, designing scalable and fault-tolerant systems. Candidates should have experience with object-oriented programming (preferably Python or C++) and strong ...

Senior Test Automation Engineer Healthcare Platform

A leading healthcare technology company is looking for a Senior Software Development Engineer in Test to join their dedicated team. This hands-on role involves developing automated tests for the next generation patient monitoring platform. The ideal candidate will have extensive experience in software testing an ...

Hybrid Senior Full Stack Engineer — Data Platforms & AI

RSMB is seeking a Senior Full Stack Engineer in London, working hybrid (2 days in the office). This full-time role offers a competitive salary of up to £85,000 per annum. The position involves designing high-performance applications and collaborating with data science teams. Candidates should have 5–10 years of ...

Senior Test Engineer: Data Driven Automation & Quality

MM Management Consultant in Newcastle upon Tyne is seeking a Senior Test Engineer. This role focuses on automation testing, data analysis, and mentoring team members. Proficiency in Python, Java, and SQL is essential, along with experience in using AWS services and Docker. Candidates should be familiar ...

Senior Full Stack Engineer Public Sector Impact (Hybrid)

A digital transformation consultancy is seeking a Senior Full Stack Software Engineer in the UK to lead the delivery of complex digital solutions in the public sector. This role demands 5+ years of experience with technologies like .NET, Java, and Python, within a collaborative team. You will influence technical ...

Senior Lead SDN Engineer, VPC Networking

A global financial services leader is looking for a Senior Lead Software Engineer to enhance and deliver innovative networking technology products. The role involves designing core components for a software-defined networking platform and collaborating with various teams to ensure technical excellence. Ideal can ...

Senior Platform Engineer — Cloud Native Platform & Automation

A leading cloud technology firm in Greater London is looking for a Senior Platform Engineer to design and maintain platform components for their cloud-based solutions. You will work collaboratively across teams, contribute to architectural decisions, and resolve complex issues. Ideal candidates will possess stro ...

Senior PyTorch Software Engineer — GPU AI Performance

A technology company in Cambridge is looking for a Senior PyTorch Software Development Engineer to lead the development and optimization of AI models on GPUs. This role entails collaboration with internal teams and the PyTorch community to enhance performance. The ideal candidate should have deep expertise in C+ ...

Hybrid Senior Revenue Engineer: Pricing & Data Pipelines

A global urban mobility platform is seeking a Senior Revenue Engineer to enhance their pricing infrastructure. This role involves designing scalable solutions and collaborating across teams to improve pricing models and systems. The ideal candidate has over 5 years of backend engineering experience, particularly ...

Senior AI Engineer: Agentic LLM Architect

A leading global digital marketing firm is seeking a Senior AI Agent Engineer with at least 3 years of experience in AI and LLMs. You will design, develop, and deploy intelligent systems while collaborating with cross-functional teams. The ideal candidate should have strong skills in Python, proven ability with ...

Enterprise AI Engineering Manager — Hybrid, UK Travel

A consulting firm in the UK is seeking a Senior Applied AI Engineer (Manager) to lead technical delivery across various sectors. The role includes shaping engineering approaches and mentoring engineers while ensuring the production readiness of systems. The ideal candidate will have deep expertise in software en ...

Senior Firmware Engineer Bare Metal ARM & Motion Control

A leading recruitment firm is seeking a Senior Firmware Engineer to join their R&D team in Milton, United Kingdom. The role involves developing and optimising bare-metal firmware for ARM-based microcontrollers and collaborating closely with hardware engineers on driver development. Candidates should have 3+ year ...

Senior French Prompt Engineer for Clinical AI Remote

A consulting firm specializing in AI solutions is seeking a Senior French-speaking Prompt Engineer / Applied Research Scientist. This remote role focuses on designing and optimizing prompts for AI-powered clinical documentation systems. Candidates should have over 5 years of experience in prompt engineering, str ...

Senior Software Engineer II — Drive Scalable, High Impact Systems

Menlo Ventures is seeking a Senior Software Engineer II in Greater London to lead complex technical projects and simplify systems within our technology stack. With a focus on collaboration and mentorship, this role requires 8+ years of software engineering experience, particularly in Python, Django, React, and o ...

Senior Workflow Orchestration Engineer

A leading financial technology company in London is seeking a Senior Software Engineer in Workflow Orchestration. The successful candidate will develop internal and client-facing APIs, work with distributed systems, and be part of an innovative team tackling workflow management. This role requires proficiency in ...

Security Cleared Senior Software Engineer: Cloud & Backend

Forwardrole is looking for a Senior Software Engineer based in Cheltenham, England. In this role, you'll design, develop, and maintain vital infrastructure while tackling complex challenges and using cutting-edge technology. The ideal candidate will have strong hands-on experience in Java, JavaScript, or Python, ...

DV‑Cleared Senior Software Engineer — Secure Systems

A prominent UK security agency seeks a Senior Software Engineer to tackle mission-critical challenges in Cheltenham. You'll design, develop, and maintain software solutions using languages like Java, Python, and more. The job includes mentoring and working with cross-functional teams while engaging with various ...

Senior Software Engineer Enterprise Data Acquisition

A prominent financial technology company seeks a Senior Software Engineer for its Data Acquisition team in London. The role involves designing and building core services that define Bloomberg’s enterprise data model. Candidates should have over 4 years of experience with C++ or Python and a solid understanding o ...

Senior AI Engineer Agentic, Production Ready AI

Manchester Digital in Manchester is seeking a hands-on Senior AI Engineer to build real-world AI systems. The role involves designing and integrating AI applications into workflows, embedding AI reliably, and collaborating with various teams to take AI solutions from concept to production. Ideal candidates will ...

Senior Full Stack Engineer — AI Video Studio (Hybrid UK)

A cutting-edge technology company based in London is seeking a Senior Full Stack Software Engineer. This role involves collaborating with cross-functional teams to design and implement features that enhance video content creation using AI tools. The ideal candidate will have 3-5 years of experience, proficiency ...

Senior ML Engineer — Hybrid UK, Production ML Pipelines

A leading engineering solutions firm in Bath seeks a Senior ML Engineer focused on developing and deploying machine-learning systems. You will design end-to-end ML solutions, work with data pipelines, and collaborate with engineers to enhance project outcomes. Candidates should have experience with frameworks li ...

Senior Software Engineer — Space Systems (Hybrid, ESOP)

A technology firm is looking for a Senior Software Engineer to join their team in Tipton, UK. The position involves software development for space communication systems and requires an active Secret clearance. Candidates should have a BS in Computer Science and 3-6 years of development experience, with skills in ...

London Based Senior AI Product Engineer

A leading commodities trading company in London is seeking a Senior Product Engineer to closely collaborate with the AI team to develop robust applications that enhance trading operations. Candidates should have 5-8+ years of backend systems experience and expert Python skills, as well as be comfortable with mod ...

Senior Embedded Systems Engineer – C/C++, Linux & CI/CD

A technology recruitment firm is seeking a Senior Software Engineer in Southampton, England. The role emphasizes embedded development and includes responsibilities such as leading complex projects, collaborating with stakeholders, and optimizing application architectures. Candidates should have significant exper ...

Senior Full Stack Engineer (Remote) Scalable APIs & UI

A leading recruitment agency is seeking a Senior Full Stack Engineer for a 12-month remote contract. The ideal candidate has at least 4 years of experience in Python and Flask, along with a strong grasp of SQL databases. Responsibilities include architecting backend services and building responsive front-end int ...

Databricks Senior Manager: ML & Data Platform Lead

A leading technology consultancy in Greater London is looking for a Senior Manager Databricks Engineer. In this role, you will lead technical delivery in client projects, mentor junior personnel, and ensure best practices in data engineering. The ideal candidate should have strong skills in Databricks, MLOps, Py ...

Senior Software Engineer – Supplier Data Platform (Remote)

A leading product experience company in Greater London is seeking a Senior Software Engineer to drive the development of innovative features in their Supplier Data Manager product. The ideal candidate will have over 8 years of full-stack engineering experience, strong skills in Python and TypeScript, and a passi ...

Senior Software Engineer – Hybrid Finance Tech (Markets Ops)

Citigroup Inc. is seeking a Senior Software Engineer in Belfast. You will help redefine global finance by building robust software solutions in a dynamic team environment focused on integration and automation. Ideal candidates have strong programming skills primarily in Java, React, and Python, along with experi ...

Senior Software Engineer — Construction Tech Platform

Converge, based in Greater London, is looking for a Senior Software Engineer to drive innovation in their Physical Intelligence Platform. You will explore new product areas, scale existing products, and collaborate closely with customers and team members. The ideal candidate has production experience in Haskell, ...

Senior Data Engineer Palantir Platform

A technology solutions provider in Greater London is seeking a Senior Palantir Engineer to design and develop data processing software for Big Data technologies. The role involves collaborating with various teams to ensure code quality and operational readiness. Strong experience in Java, Scala, or Python and fa ...

Senior AI Engineer Agentic AI, Production Systems (Hybrid)

A leading technology firm in Stretford seeks a Senior AI Engineer to develop real-world AI systems that impact customer journeys and operations. The role involves designing and integrating AI applications, collaborating with various teams, and establishing best practices for deployment. Strong Python engineering ...

Senior GenAI Engineer: Production LLMs, Hybrid UK

A leading AI consultancy in the UK is seeking a Senior AI Engineer to work on production-grade LLM and GenAI solutions. This role involves designing, building, and shipping enterprise GenAI systems using Python. Candidates should have a solid engineering background, hands-on production experience with LLMs, and ...

Senior Internal Tools Engineer Fintech Platform

A leading cross-border fintech company in Greater London seeks a Senior Software Engineer to enhance internal tools. You will work closely with cross-functional teams to build reliable tools using Python and Kotlin while ensuring high code quality and mentor junior developers. The role requires substantial exper ...

Senior ML Engineer: Production ML on Databricks

A global specialty lines (re)insurer in England seeks a Senior Machine Learning Engineer to lead the design and development of production ML models. The ideal candidate will have a Bachelor’s degree in a STEM subject and extensive experience in machine learning and data engineering. This hybrid role involves wor ...

Senior Fullstack Engineer: Admin & AI Enablement (Remote)

A leading tech company in Greater London is seeking an experienced Senior Fullstack Engineer to develop their internal back office platform with a focus on AI enablement. You will build full-stack features, work with modern technologies like Vue and Python, and mentor junior engineers. The role allows for flexib ...

Software Engineer (Mid/Senior) – Embedded, AI & Cloud

One Big Circle Ltd in the West of England is looking for a Software Engineer at mid to senior levels. The role involves designing, developing, and maintaining software solutions while collaborating with teams to achieve system integration. Candidates should have 3+ years of experience, proficiency in C++/Python, ...

Senior Software Engineer — Lead Architect & Mentorship (Hybrid)

UK Intelligence Services is looking for a Senior Software Engineer in Cheltenham to design and develop mission-critical solutions. The ideal candidate will work with technologies like Java, Python, and Go while collaborating with cloud platforms such as AWS and Azure. The role offers robust support for ...

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    Senior Python Engineer Python Powershell Jobs in United Kingdom Job Search Guide, Trends and Insights