7 senior software engineer jobs found

Senior AI Engineer £750-850 per day | Outside IR35 | 6 Months | Remote First SR2 are supporting a growing AI consultancy that delivers secure, production-grade AI solutions into complex and highly regulated environments. They're looking for a Senior AI Engineer to take ownership of AI projects from discovery through to deployment, building intelligent systems that combine retrieval, automation and advanced reasoning to solve real-world business challenges. What you'll be doing Building production AI applications and workflows Developing retrieval and search capabilities across complex information sources Creating data ingestion and document processing pipelines Evaluating and improving AI system performance Deploying solutions into customer environments Working closely with stakeholders to deliver successful outcomes Experience required Strong Python engineering skills (FastAPI desirable) Commercial experience building AI or LLM-powered...

Senior Machine Learning Engineer | Contract Role Outside IR35 | £600-700/day | Remote in the UK | Initial 3 Months We’ve partnered with a fast-growing tech business undergoing a major rebuild of one of their core platform capabilities. They’re looking for a Senior Machine Learning Engineer to help design and develop the modelling logic that underpins a critical decision-making system. This role sits at the intersection of machine learning, applied modelling, and software engineering - focused on solving complex, real-world problems rather than building standard predictive models. This is a hands-on role working within a small, high-impact team on a greenfield build, with direct input into how the system evolves over time. This is outside IR35, fully remote, with an initial 3-month contract and strong potential for extension. Key Responsibilities Design and build modelling logic that represents real-world rules, constraints, and pricing/cost...

Backend-leaning Staff Engineer to modernise a core CRM and build AI-driven agent capabilities We're supporting a propety-tech organisation undertaking a major modernisation of an established CRM platform, alongside building autonomous, AI-driven workflows directly into core business processes. This role is strongly Back End-focused, requiring deep .NET engineering expertise, combined with proven experience building agentic AI systems in production. T he Role Rebuild and enhance core CRM functionality within a live production environment Lead Back End development using .NET/C#, ensuring scalability, reliability, and maintainability Work across the stack where needed (TypeScript/React) but with a clear Back End-first focus Design and implement: Autonomous agents Self-learning systems AI-driven workflow automation platforms Integrate AI capabilities directly into core product workflows and business processes Drive incremental modernisation of Legacy...

Senior AI Engineer – TypeScript, React, .Net, AWS, Claude Code (or similar), Agentic Platform Development – OUTSIDE IR35 We’re seeking a Senior AI Engineer to lead the technical development of an autonomous agent platform: intelligent, self‑learning systems that act as digital counterparts to B2B professionals. You’ll be at the forefront of engineering agentic AI, multi‑agent orchestration, and production‑grade automation, building the foundations for next‑generation workflow intelligence. Working closely with Product, Architecture, Security, DevOps and Commercial teams, you’ll architect and deliver scalable AI solutions across front‑end, back‑end and cloud domains. You’ll establish the core platform that enables rapid deployment of customer‑facing AI features while ensuring reliability, security and seamless integration across the wider ecosystem. What You’ll Lead: Agentic Platform Development Architect and build scalable AI agent frameworks for...

Senior AI Engineer - TypeScript, React, .Net, AWS, Claude Code (or similar), Agentic Platform Development - OUTSIDE IR35 We're seeking a Senior AI Engineer to lead the technical development of an autonomous agent platform: intelligent, self-learning systems that act as digital counterparts to B2B professionals. You'll be at the forefront of engineering agentic AI, multi-agent orchestration, and production-grade automation, building the foundations for next-generation workflow intelligence. Working closely with Product, Architecture, Security, DevOps and Commercial teams, you'll architect and deliver scalable AI solutions across Front End, Back End and cloud domains. You'll establish the core platform that enables rapid deployment of customer-facing AI features while ensuring reliability, security and seamless integration across the wider ecosystem. What You'll Lead: Agentic Platform Development Architect and build scalable AI agent frameworks for autonomous...

Senior Data & ML Engineer Contract - Outside IR35 - Initial 6 month contract £650-£750 per day London - Hybrid working We are partnering with a rapidly growing financial services business that is investing heavily in its machine learning and data platform capabilities. This is a hands-on engineering role focused on helping Data Science teams build, deploy, and scale machine learning solutions in production. The work sits at the intersection of data engineering, machine learning engineering, and MLOps, with a strong focus on production systems, feature engineering, workflow orchestration, and model lifecycle management. What you'll be doing Design and build scalable data and feature engineering pipelines to support machine learning workloads Work closely with Data Scientists to operationalise models and improve the end-to-end machine learning lifecycle Develop and optimise PySpark-based data processing workflows and training pipelines Build and...

Backend-leaning Staff Engineer to modernise a core CRM and build AI-driven agent capabilities We're supporting a propety-tech organisation undertaking a major modernisation of an established CRM platform, alongside building autonomous, AI-driven workflows directly into core business processes. This role is strongly Back End-focused, requiring deep .NET engineering expertise, combined with proven experience building agentic AI systems in production. T he Role Rebuild and enhance core CRM functionality within a live production environment Lead Back End development using .NET/C#, ensuring scalability, reliability, and maintainability Work across the stack where needed (TypeScript/React) but with a clear Back End-first focus Design and implement: Autonomous agents Self-learning systems AI-driven workflow automation platforms Integrate AI capabilities directly into core product workflows and business processes Drive incremental modernisation of Legacy...