301 to 325 of 648 Software Engineering Jobs in London

engineers who have experience building real AI applications and are comfortable taking systems from concept through to production. Ideally you will have: Strong Software Engineering skills with Python Experience building LLM applications in production environments Experience implementing RAG pipelines Familiarity with multi agent frameworks such as CrewAI, LangGraph ...

trusted advisor, guiding trade-offs and implementation strategies Mentor engineers and data scientists through hands-on guidance and reviews What You Bring Strong software engineering foundation (Python essential) Proven track record delivering production AI/ML systems Hands-on experience with frameworks like PyTorch, TensorFlow, or Scikit-Learn ...

structured experimentation Excellent Python skills for building, evaluating, and iterating on ML solutions Experience working with real-world, imperfect data from operational systems Strong software engineering practices, including readable, maintainable, and well-tested code Experience integrating ML components into broader production systems Clear understanding of data ethics, privacy ...

reduce financing costs and optimize return metrics. Who We're Seeking: We're on the lookout for a seasoned Associate to Mid-level Software Engineer with hands-on Python experience. Familiarity with AWS Serverless and related technologies would be advantageous. Strengths in Pandas, Polars, Pytest, Postgres, and CI/ ...

scale Building and maintaining ETL workflows that ingest and transform data from multiple third-party APIs and internal systems Working closely with data scientists, software engineers, and senior stakeholders to shape and deliver against evolving data requirements Deploying and monitoring models in production environments, maintaining documentation and ensuring pipeline ...

Head of Platforms to build and scale a modern AWS environment. This is a great opportunity for someone who enjoys owning infrastructure, solving real engineering problems, and working across the full platform life cycle in a lean, high-impact environment. The role.. Building and operating AWS infrastructure Leading cloud … monitoring & observability (Datadog) Developing CI/CD pipelines (GitHub, CircleCI) Supporting engineers with deployments and new services What we're looking for.. Strong Platform Engineering experience Deep AWS knowledge Infrastructure as Code expertise Python Scripting skills CI/CD experience (GitHub, CircleCI) Comfortable working in a fast-moving, evolving ...

reasoning and planning. Expertly handle LLM fine-tuning (PEFT, LoRA, QLoRA) and RAG pipelines. Data Orchestration: Build ETL/ELT pipelines and feature engineering workflows to integrate structured and unstructured data into centralized platforms. End-to-End MLOps: Own the lifecycle—from CI/CD automation and containerization (Docker … every system is trustworthy, fair, and explainable, implementing quantifiable metrics for bias detection and regulatory compliance. Technical Toolkit Models: LLMs, Generative AI, Agentic workflows. Engineering: PEFT, Vector Databases (Pinecone/Milvus/Weaviate), Prompt Engineering. Ops: Docker, Kubernetes, CI/CD, Experiment Tracking (MLflow/W&B). Data ...

Senior Software Engineer/Developer (C# .Net 8 AWS) London to £90k Are you a technologist who enjoys contributing to technical discussions and using the best tool for the job? You could be progressing your career at a global, financial Market Data provider whilst enjoying a range of perks … benefits. As a Senior Software Engineer you will collaborate with DevOps and Product Management within an Agile team environment working on a Greenfield Market Data platform. The platform has been built with C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages ...

Inside IR35) Skills: Technical Product Ownership, Agile, User Stories, Backlog Management, Stakeholder Management, SaaS We're working with a leading software organisation looking to appoint a Product Owner to play a key role in the delivery of modern, high-quality digital products. This role sits at the heart … engineering team, partnering closely with a Product Manager who owns the strategy and roadmap. You'll take ownership of execution - translating that roadmap into clear, deliverable outcomes and ensuring the team is set up to succeed. The Role You'll be responsible for breaking down product roadmaps into actionable ...

Senior Software Engineer Hybrid- London Up to £100,000 + benefits Overview We are hiring a Senior Software Engineer to join a growing Digital Platform function within a technology-driven organisation undergoing continued international expansion. This role sits within a newly formed platform squad focused on strengthening, stabilising … evolving a modern web platform built on a Next.js stack. The organisation is investing in long-term platform scalability (8–10 year vision), improving engineering standards, tooling, CI/CD, testing, and observability. You will play a key role in ensuring engineering teams can deliver product work efficiently ...

Role Purpose The Software Engineer will work as a hands-on individual contributor within a delivery team, responsible for developing high-quality software solutions. The role involves contributing to and, at times, leading design and engineering decisions, while delivering medium to high complexity work with minimal supervision. … Responsibilities Act as a hands-on software engineer, with significant time spent designing, building, testing, and maintaining software solutions. Deliver medium to high complexity engineering tasks independently and effectively. Contribute to architecture, design, and engineering decisions across the team (aligned to ARIX levels ...

AgreatenergyclientbasedinLondonislookingforaFullStackPythonEngineer. The role is 30% frontend and 70% backend with focus on Python and Django. If youre looking for a genuinely exceptional tech environment in London, this is it. The team is highly collaborative, technically ...

Golang engineers x4: • Strong commercial experience building backend services in Golang (PHP experience is a bonus) • Proven experience designing and operating microservices architectures, ideally in production fintech or payments environments • Solid understanding of concurrent, distributed ...

lucrative career from day one. Our client is a high-performing, fast-scaling recruitment firm based in London, specialising in technology markets (think AI, software engineering, fintech, and data). Theyre known for building top-billing consultants and offering one of the most exciting cultures in the industry. … Doing Partnering with cutting-edge tech companies from high-growth start-ups to global brands Sourcing and placing highly sought-after tech talent (software engineers, data specialists, AI experts) Managing the full recruitment lifecycle from business development through to placement Building your own client base and becoming a market ...

build, and operate scalable, reliable, and high-quality data infrastructure across a modern Microsoft-based data platform. This role sits at the intersection of software engineering and data management , ensuring that data flows seamlessly from source systems into analytics-ready structures that power insight, reporting, and decision-making … role in shaping how data is built, trusted, and consumed—working closely with business domains, analysts, data scientists, and platform engineers. Data Engineering & Pipelines Build and maintain robust ETL/ELT pipelines using Microsoft Fabric (Data Factory, Lakehouse, etc.) Design reliable ingestion processes from APIs, databases, and file-based ...

ROLE Join the BBC's Data Sourcing teams and help shape the future of our streaming and analytics platforms. As a Principal Software Engineer, you'll provide technical leadership across critical ingestion and real-time data systems, helping teams deliver scalable, resilient, and high-performing platforms that enable data … cloud and streaming technologies, help shape the evolution of our real-time data ecosystem, and play a key role in growing the BBC's engineering culture within the Newcastle Tech Hub. YOUR KEY RESPONSIBILITIES AND IMPACT Provide technical leadership across streaming, ingestion, and analytics platforms used across the BBC. ...

Software Engineer London/Hybrid | Perm Role £60,000 - £80,000 Harrington Starr has partnered with a fast-growing fintech that’s transforming how businesses manage foreign exchange and treasury operations. Their technology enables clients to access institutional-grade execution, automate manual workflows, and gain greater transparency across their … product offering and deliver cutting-edge solutions that help clients manage risk more effectively. The Role This is an excellent opportunity for an experienced Software Engineer — ideally with a background in financial technology or FX — to join a high-performing engineering team within a scaling fintech. ...

will directly enhance the Ultralytics HUB platform and empower our global community of developers and researchers. 🛠️ Skills and Experience 5+ years of experience in software engineering, with a strong focus on AI and Machine Learning (ML). Expert-level proficiency in Python and deep learning frameworks, particularly PyTorch. … experience with the full RAG pipeline, including vector embeddings , rerankers , and data indexing in databases like MongoDB. Practical knowledge of LLM fine-tuning, prompt engineering, and performance optimization. Familiarity with MLOps principles and tools, including CI/CD with GitHub Actions . A strong interest in computer vision ...

located in the Platform Developer Experience (PDX) tribe within the Platform Mission. The PDX Studio oversees and owns the infrastructure that cuts across all engineering disciplines. What you'll do Execute on future VCS infrastructure strategy that is able to serve 3000+ engineers doing 100's of thousands … beyond Support with Operational tasks keeping our systems healthy and uptodate Develop and maintain our GHES(GitHub Enterprise Server) instance to enable develop software more efficiently Drive the automation and improvements to our GHES instance across our current technical stacks. Collaborate with Infrastructure teams across the company to ensure ...

located in the Platform Developer Experience (PDX) tribe within the Platform Mission. The PDX Studio oversees and owns the infrastructure that cuts across all engineering disciplines. What you'll do Execute on future VCS infrastructure strategy that is able to serve 3000+ engineers doing 100's of thousands … beyond Support with Operational tasks keeping our systems healthy and uptodate Develop and maintain our GHES(GitHub Enterprise Server) instance to enable develop software more efficiently Drive the automation and improvements to our GHES instance across our current technical stacks. Collaborate with Infrastructure teams across the company to ensure ...

instrumental in building and enhancing DevOps capabilities, working across data platforms, orchestration frameworks, infrastructure automation, and cybersecurity. The position suits someone with a strong engineering mindset who thrives in high-performance environments and is passionate about scalability, resilience, and secure systems design. Key Responsibilities Develop and customise DevOps tools … maintain reliable backup and archival solutions across on-premise and cloud environments Establish and manage configuration and asset management systems Key Requirements Strong software engineering background with experience in DevOps tooling and automation Proficiency in at least one of the following: Python, Java, or Go Hands-on experience ...

Full Stack Software Engineer (Platform & Cloud) Location: London (Hybrid - 2 days onsite) Salary: £70,000 – £100,000k (DOE) Contact: Adam Mayne – (url removed) | (phone number removed) An exciting opportunity for a Full Stack Software Engineer to join a fast‑growing London technology design consultancy building next‑generation cloud … company develops next generation cloud‑native, highly scalable platforms, combining modern web technologies with cutting‑edge backend and infrastructure engineering. As a Full Stack Software Engineer, you’ll be involved not only in feature development but also in the evolution of the underlying platform and cloud architecture. This ...

security leader. This is not a traditional boardroom CISO role. The business is looking for a pragmatic security expert who can operate close to engineering and infrastructure teams, help secure modern cloud environments, and build scalable security standards across multiple regulated businesses. You will work across a group … companies within the group, helping to create a unified security approach across their fintech, payments and technology operations. The position sits very close to engineering and infrastructure teams, with a strong focus on practical implementation rather than purely high-level strategy. A large part of the role will involve ...

Canary Wharf. They are seeking a Data Integration Engineer VP to work with them on a 6-month contract. Education: Bachelor’s in Software Engineering, Data Science, or IT (Master’s desirable in related or business fields such as Maths or MBA). Core Knowledge: Strong understanding ...

Senior Python Developer to work on the development of a business-critical research and analytics platform.What you'll need to succeed: Strong Python software engineering experience beyond exploratory or ad-hoc scripting Hands-on experience working with notebooks as part of real-world research or analytical workflows Experience ...