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Senior Software Engineer — Scale NeuroSymbolic AI APIs

Jack & Jill, a pioneering neurosymbolic AI startup in Greater London, is seeking a Senior Software Engineer to design and develop a public API infrastructure. You will collaborate with industry veterans to merge LLMs with symbolic reasoning technology, addressing fundamental challenges in AI. The ideal candidate ...

Senior Data Engineer AWS, Snowflake & Terraform

Lendable is seeking a Senior Software Engineer (Data) to enhance and scale its data infrastructure in Greater London. The role involves developing tooling, maintaining AWS and Snowflake data solutions, and implementing security best practices. Ideal candidates will have strong software development skills, partic ...

Senior Data Architect: Enterprise Data Strategy

Anson McCade is looking for a Data Architect to join their consultancy in the UK. This pivotal role involves defining data architecture and strategy across complex transformation programmes. Ideal candidates will have proven experience in data architecture or as a Senior Data Engineer, with strong skills in Pyth ...

Senior Full Stack Engineer for Climate Tech Platform

Science Based Targets initiative seeks a Senior Full-Stack Software Engineer to support and enhance its technology infrastructure. This full-time role is based in the UK and calls for a candidate with strong architecture skills in TypeScript, React, and Python. Responsibilities include collaborating with DevOps, ...

Senior Applications Engineer — Remote Leader in Full Stack

Connect Fibre is seeking a Senior Applications Engineer to design and implement backend services and develop frontend applications. This role requires over 5 years of software development experience and strong skills in programming languages like JavaScript, Python, and PHP. The candidate will lead projects, men ...

Senior Software Engineer – Quantum Tech in Birmingham Equity

Reedmace Talent is seeking a Senior Software Engineer based in Birmingham to work on groundbreaking quantum technology. The role offers a salary between £60,000 and £75,000 and includes benefits such as private medical insurance and flexible working hours. The ideal candidate will have extensive knowle ...

Senior Software Engineer, Payments & Incentives (Equity)

Join Quantcast as a Senior Software Engineer in the Payments & Incentives team. This role involves designing payment solutions and managing billing systems within a large-scale digital advertising platform. You'll work closely with multiple teams to deliver innovative solutions and ensure operational reliabil ...

Senior Sensors Software Engineer — Edge & AI

SRT Marine Systems PLC in Gloucester seeks a Senior Software Engineer — Sensors to join their Edge Team. This role involves designing and delivering cutting-edge maritime surveillance solutions, integrating hardware and advanced sensor technologies. Candidates should have strong experience with programming langu ...

Senior Test Engineer (Embedded) — Automation & QA

Oho Group is seeking a talented Senior Software Test Engineer in Cambridge to join their innovative tech communications team. In this role, you will develop and maintain manual and automated test cases, work closely with cross-functional teams to resolve issues, and ensure the upkeep of test environments to m ...

Senior Full Stack AI Engineer ML & GenAI

Fitch-Group in London is seeking a Senior Software Engineer, Full Stack - AI, to join their agile team. This role focuses on designing and developing innovative AI solutions utilizing cloud-based and containerized architectures. The ideal candidate will have over 7 years of software engineering experie ...

Senior DevOps Engineer – Cloud Native (AWS/Azure), IaC/CI

Relevance Lab is seeking a Senior DevOps Engineer in Newcastle Upon Tyne, UK. This hybrid role focuses on cloud-native infrastructure, emphasizing AWS and Azure environments. Key tasks include developing Infrastructure as Code with Terraform, building CI/CD pipelines, and supporting container orchestration with ...

Senior Robotics Engineer — Outdoor Autonomy (ROS 2)

Reply is seeking a Senior Robotics Engineer to develop and integrate systems for outdoor robotics. The role involves strong hands-on experience with ROS 2 along with responsibilities like building the ROS 2 software stack, sensor integration, and advising on data strategies. Ideal candidates will hold a relevant ...

Senior Backend Engineer, AI Platform & APIs

W Talent is looking for a talented Senior Backend Engineer to join our London team full-time. In this role, you will build and scale the core infrastructure of our AI platform, own backend systems, and influence product direction. The candidate should have over 5 years of software engineering experience, strong ...

Senior Engineer, Systematic Data — Real Time Cloud Platform

Balyasny Asset Management L.P. is looking for a skilled Senior Engineer for their Systematic Data team in Greater London. The role focuses on designing and maintaining cloud-native data systems critical for systematic trading operations. Candidates should have a degree in Computer Science and over 5 years of exp ...

Senior Developer Success Engineer: Scale Cloud Native Apps

Temporal Technologies is looking for a Senior Developer Success Engineer to support our developer community in deploying and scaling Temporal. You’ll tackle challenges in cloud-native environments using your expertise in distributed systems. The ideal candidate should have over 6 years of experience in programmi ...

Senior DevOps Engineer — HPC Cloud & Quantum (Flexible)

Quantum Motion is looking for a Senior DevOps Engineer to lead the development of cloud-based solutions and manage infrastructure. This role is pivotal in ensuring effective service delivery while maintaining internal customer satisfaction. Responsibilities include architecting HPC clusters, automating processes ...

Senior ML Engineer Production AI & MLOps Leader

Compare the Market is seeking a Senior Machine Learning Engineer to join our Data & AI team, supporting AI capabilities that enable intelligent financial decisions for millions. This hybrid role focuses on deploying and scaling ML and AI solutions while collaborating with data scientists. We're looking for stron ...

Senior Data & AI Platform Engineer

Venture Post is seeking a Senior Platform Engineer to join their team in Cheltenham, England. In this high-ownership role, you will help build Monaco's data and ML platform, working on scalable pipelines and systems that support AI-driven products. You will tackle challenges related to distributed systems and wi ...

Senior Software Engineer Finance Trading Platform (London)

SoCode Recruitment is seeking a Contract Senior Software Engineer to join a private equity firm in London for up to 6 months. The successful candidate will develop and support P&L and accounting applications, manage data exchanges, and collaborate with financial teams. You'll need 8+ years of experience in Pytho ...

Principal Software Engineer – Real Time Data & AI Trading

Cititec is looking for a Principal Software Engineer to lead high-impact client engagements in the Energy & Commodities trading space. This senior role blends technical leadership with architecture and strategic delivery. It involves designing and delivering modern cloud-native platforms that support real-time t ...

Senior ETF/Index Portfolio Manager – London

DWS Group is seeking a Senior Equity Portfolio Manager/Engineer focusing on ETFs and Index Investing. The role involves management of index equity portfolios, implementation of optimal trading strategies, and contributing to product development. Candidates should possess strong financial product knowledge, along ...

Senior Full Stack Engineer, Real Time Sports & AI

Brain Analytics, based in Greater London, is seeking a Senior Full-Stack Engineer to take full ownership of features across the stack. You'll work on real-time sports analytics and AI products, integrating complex data into user-friendly interfaces. Ideal candidates have over 5 years of experience, strong Python ...

Senior LLM Engineer Client Facing AI Architect

Leute Passen Technologies is seeking a Senior AIML Engineer to design and implement AI solutions in a hybrid role based in London. You will architect advanced LLM systems, lead client engagement, and mentor junior staff. Candidates should have over 6 years of experience in data science or AI, with hands-on exper ...

Senior Principal AI Engineer: Client‑Facing Solutions Architect

Expleo Group is looking for an experienced Senior Principal AI Engineer in Greater London to design, build, and deliver production-grade AI solutions. The role involves technical leadership, client engagement, and applying best practices in responsible AI delivery. Ideal candidates will have strong AI engineerin ...

Senior Applications Engineer — Remote Leader in Full Stack

Connect Fibre is seeking a Senior Applications Engineer to design and implement backend services and develop frontend applications. This role requires over 5 years of software development experience and strong skills in programming languages like JavaScript, Python, and PHP. The candidate will lead projects, men ...

Senior Revenue Engineer Hybrid Pricing Infra (London)

A leading mobility solutions provider is looking for a Senior Revenue Engineer to design and implement pricing infrastructure and systems. You will collaborate with various teams to ensure the reliability and scalability of pricing systems. The ideal candidate has over 5 years of backend engineering experience, ...

Senior Data Test Engineer — ETL, Cloud & Automation

A leading data transformation firm is looking for a Senior Test Engineer to design and implement automated test frameworks for data pipelines and ETL processes. The ideal candidate will have strong experience in test automation, deep expertise in data validation, and proficiency in SQL and Python. The role requi ...

Senior Full Stack Engineer, Real Time Sports & AI

Brain Analytics, based in Greater London, is seeking a Senior Full-Stack Engineer to take full ownership of features across the stack. You'll work on real-time sports analytics and AI products, integrating complex data into user-friendly interfaces. Ideal candidates have over 5 years of experience, strong Python ...

Senior Software Engineer, Payments & Incentives (Equity)

Join Quantcast as a Senior Software Engineer in the Payments & Incentives team. This role involves designing payment solutions and managing billing systems within a large-scale digital advertising platform. You'll work closely with multiple teams to deliver innovative solutions and ensure operational reliabil ...

Senior Software Engineer – Quantum Tech in Birmingham Equity

Reedmace Talent is seeking a Senior Software Engineer based in Birmingham to work on groundbreaking quantum technology. The role offers a salary between £60,000 and £75,000 and includes benefits such as private medical insurance and flexible working hours. The ideal candidate will have extensive knowle ...

Senior Sensors Software Engineer — Edge & AI

SRT Marine Systems PLC in Gloucester seeks a Senior Software Engineer — Sensors to join their Edge Team. This role involves designing and delivering cutting-edge maritime surveillance solutions, integrating hardware and advanced sensor technologies. Candidates should have strong experience with programming langu ...

Senior Full Stack AI Engineer ML & GenAI

Fitch-Group in London is seeking a Senior Software Engineer, Full Stack - AI, to join their agile team. This role focuses on designing and developing innovative AI solutions utilizing cloud-based and containerized architectures. The ideal candidate will have over 7 years of software engineering experie ...

Senior Agentic AI Engineer for Audio Orchestration

AudioStack Labs Ltd is seeking a Senior Agentic AI Engineer in Greater London to lead the development of automated audio production systems. You'll collaborate with a dynamic team to shape intelligent architectures and deliver innovative solutions, all within a rapidly evolving environment. Ideal candi ...

Senior AI Security Engineer — GenAI & Cloud Security

Jefferson Frank in Manchester is searching for a Senior AI Security Engineer. In this role, you will provide technical leadership in security architecture, cryptography, and IAM on hybrid/cloud platforms. Responsibilities include designing solutions for sensitive data protection, conducting security audits, and ...

Senior AI Agentic Engineer Production Ready Workflows

Physics X is looking for a Senior Applied AI Engineer to develop advanced AI agents that transform engineering workflows across industries like Manufacturing and Aerospace. In this role, you'll collaborate closely with product teams and domain experts to build solutions that address complex engineering challe ...

Senior DevOps Engineer Blockchain Infra & Security

A leading blockchain technology firm in London is seeking a mid-senior level DevOps Engineer to enhance and maintain our blockchain infrastructure. The ideal candidate will have significant experience in DevOps practices, programming skills in Python, GoLang, or similar, and a strong grasp of networking security ...

Senior Databricks Engineer — Remote Azure Lakehouse

Layke AI is looking for a Senior Data Engineer to support the next stage of a major data platform build. This hands-on role focuses on building a modern cloud data environment using Azure, Databricks, and Lakehouse architecture. The position requires experience in designing and developing data pipeline ...

Senior Test Engineer (Embedded) — Automation & QA

Oho Group is seeking a talented Senior Software Test Engineer in Cambridge to join their innovative tech communications team. In this role, you will develop and maintain manual and automated test cases, work closely with cross-functional teams to resolve issues, and ensure the upkeep of test environments to m ...

Senior AI & Modelling Engineer — Race Strategy Innovator

Atlassian Williams F1 Team is looking for a Senior AI and Modelling Engineer who will work at the intersection of AI/ML and race strategy. This role involves developing machine learning models to enhance race performance, communicating technical insights to strategists, and building reliable tools for the Strate ...

Senior Platform Software Engineer – Cloud & AI

Carbon Re is hiring a Senior Software Engineer in London to join their platform team and advance AI technology for carbon reduction. This role requires expertise in cloud architecture, with experience in AWS or GCP, and proficiency in Python and Terraform. The successful candidate will help deploy workloads in c ...

Senior AI Engineer Lead GenAI & MLOps on Azure

LegalAndGeneral is seeking a Senior AI Engineer in Greater London. This role involves leading the design and delivery of enterprise-grade AI solutions, utilizing strong Python skills and experience with Azure AI services. The ideal candidate will have hands-on experience with generative AI solutions and MLOps pr ...

Senior AI Agentic Engineer Production Ready Workflows

Physics X is looking for a Senior Applied AI Engineer to develop advanced AI agents that transform engineering workflows across industries like Manufacturing and Aerospace. In this role, you'll collaborate closely with product teams and domain experts to build solutions that address complex engineering challe ...

Senior AI Security Engineer — GenAI & Cloud Security

Jefferson Frank in Manchester is searching for a Senior AI Security Engineer. In this role, you will provide technical leadership in security architecture, cryptography, and IAM on hybrid/cloud platforms. Responsibilities include designing solutions for sensitive data protection, conducting security audits, and ...

Senior Software Engineer Build Scalable Solutions

Rippling is looking for a Senior Software Engineer in Greater London to enhance their payroll platform, which serves hundreds of thousands of employees. In this role, you will lead initiatives to create new product functionalities and rearchitect key platform components. Ideal candidates should have over 6 years ...

Senior Satellite Access Layer Engineer (LEO & SDR)

Open Cosmos in Harwell is seeking a Senior Access Layer Engineer to lead the implementation of the satellite air interface. In this role, you will develop and optimize PHY and MAC layer functionality for satellite communication systems and design algorithms that address LEO-specific challenges. The ideal candida ...

Senior Software Engineer – Hybrid, Global Finance Impact

Citi in Belfast is seeking a Senior Software Engineer to work in a dynamic technology team focused on building software solutions for complex business challenges. You will engage in all facets of software development while collaborating closely with product teams. A bachelor's degree in computer science or engin ...

London based Senior Software Engineer – FinTech Platform

Barclays seeks a Senior Software Engineer in London to design and build scalable C# (.NET/.NET Core) and Python calculation engines. The role involves developing data models in SQL Server, delivering low-latency REST APIs, and collaborating with stakeholders for accurate billing outputs. Ideal candidates will ha ...

Senior AI Engineer: NLP & Multimodal Fine Tuning (Hybrid)

Harnham is seeking a Senior AI Engineer to contribute to their AI Lab in London. This role involves building and fine-tuning LLM-powered systems and designing retrieval-augmented pipelines. The ideal candidate will have strong hands-on experience with large language models and Python, and will thrive in a collab ...

Senior Data Engineer: Databricks Pipelines & Governance

TwinThread is seeking a Senior Data Engineer to join their Security Services Data Modelling and Engineering team. This role involves designing and building scalable data pipelines using Databricks, leveraging tools such as Python and Spark to enhance business performance and AI capabilities. The ideal candidate ...

Autonomy Software Engineer (C++, Embedded Linux, ROS)

IC Resources is looking for a Senior Software Engineer to join their team in the South Coast near Portsmouth. The role involves designing, implementing, and optimising autonomy algorithms for diverse R&D projects. Candidates should have extensive experience in C++ and Python, alongside knowledge of Embedded Linu ...

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