126 to 150 of 515 Software Engineering Jobs in London

first - sought by trading company based in London - Contract (OUTSIDE IR35 - Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience with strong Java backend skills. Proven track record in modernising production systems and designing APIs/… GitHub Copilot) and Model Context Protocol (MCP). Experience integrating AI into CI/CD pipelines and building AI-powered automation. Knowledge of prompt engineering, model selection, and LLM capabilities. Proven AI Impact Demonstrated success in using AI to improve productivity and code quality. Experience with AI-assisted refactoring ...

real-world value from data by architecting models, pipelines, and integration patterns that scale across the organisation. This role combines technical depth, applied ML engineering, solution design, and hands-on development. Key Responsibilities Design, build, and train end-to-end machine learning models across NLP, predictive analytics, classification … Experiment with algorithms, optimise hyperparameters, and evaluate model performance Collect, process, and prepare structured and unstructured datasets for model training and validation Implement feature engineering, data augmentation, and data quality controls Develop APIs, services, or microservices to integrate models into production platforms Deploy, monitor, and manage models using MLOps ...

familiar with front-end frameworks like React. Skilled in SQL , data warehousing ( BigQuery ), and data visualisation. Knowledgeable about AI integration , agent frameworks, prompt engineering, and observability tools. Familiar with automation, ETL/ELT, and modern software engineering practices. ...

Product, project leadership, and the platform provider to deliver the minimum lovable product and inform future platform evolution Person specification 10+ years' experience in software engineering, systems design, platform engineering, or technical architecture Proven experience designing and supporting cloud-native, distributed systems in production Strong hands ...

Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python, excited by financial technology, and eager to build meaningful systems from the ground up, we want to hear from … you. As a Python Software Engineer, you will contribute to the design, development, and delivery of scalable, high-impact features across our platform. Youll work closely with experienced engineers, product managers, and data scientists to build reliable systems that solve complex financial problems. This role offers an excellent opportunity ...

performance, reliability, and security across the stack Work closely with founders, engineers, and product teams What we are looking for Five plus years of software engineering experience Proven experience deploying AI applications into production Strong backend engineering skills and database fundamentals Experience with cloud infrastructure, Docker, Kubernetes … Redis experience Familiarity with LLM evaluation, monitoring, and safety Degree from a Russell Group university or equivalent top tier academic background, or alternatively extensive engineering expertise with clear, relevant production experience This is a demanding, in office environment with high ownership, shifting priorities, and strong technical standards. You will ...

looking for an experienced Kotlin & Swift Developer with strong computer vision experience to design, build, and maintain a high-performance Software Development Kit (SDK) used in security-critical mobile applications. This role sits at the intersection of mobile engineering, applied computer vision, and SDK architecture , and will play … validation and anti-spoofing Multi-signal identity verification (where applicable) Optimise performance for low latency, low power usage, and on-device processing Mobile Platform Engineering Develop native Android components in Kotlin Develop native iOS components in Swift Work closely with OS-level APIs (CameraX, AVFoundation, CoreML, Vision, etc.) Ensure ...

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £950 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious ...

Senior Software Engineer Location: UK-wide (Fully Remote) Level: Senior Join a fast-growing consultancy delivering digital transformation across the public sector. We're looking for a Senior Software Engineer who combines technical expertise with strong collaboration and communication skills. This is a chance to work on complex … high-impact projects while helping shape best practices in a dynamic, client-facing environment. As a Senior Software Engineer, you'll design and develop robust, scalable software solutions, contribute to architecture decisions, and mentor junior engineers. You'll work closely with product managers, UX/UI designers ...

ensuring performance, availability, and scalability-while driving continuous improvement and innovation. About the Role As an SRE, you'll combine your operational expertise with software engineering skills to minimise manual effort and drive automation across complex systems. This role is perfect for someone who thrives on solving hard … interested in your curiosity, enthusiasm, and problem-solving ability than ticking every box. However, experience in any of the following areas would be advantageous: Software development in web technologies or OOP (e.g., Python, Java, etc.) Database tech: Oracle SQL, PostgreSQL, MongoDB Proficient with Linux/Windows command line (Bash ...

building and maintaining large-scale, real-time data pipelines that power analytics, machine learning, and operational systems across the business. You'll collaborate with software engineers, data scientists, and analytics teams to ensure the platform delivers reliable, high-quality, and compliant data at scale. This is a hands … engineering role that blends software craftsmanship with data architecture expertise. Key responsibilities: Design and implement high-throughput data streaming solutions using Kafka, Flink, or Confluent. Build and maintain scalable backend systems in Python or Scala, following clean code and testing principles. Develop tools and frameworks for data governance ...

engineer with strong software engineering fundamentals? Have you deployed AI models into production—not just trained them? Want to work on agentic systems, RAG pipelines, and LLM-powered tools? We're working with a high-growth GenAI consultancy building real-world, production-grade AI applications. With a team ...

Senior Software Engineer (Python) – Reducing Carbon Emissions with Machine Learning! Python on AWS £90-£110,000 per annum plus stock London Office - 1-2 days a week Are you a Senior Software Engineer with a passion for working with curious, humble colleagues to build exceptional customer-focused products … using Python? Do you align with their principles – “Work as much as you want, where you want” - giving Software Engineers the autonomy and support to perform at their best? Do you want to be part of a period of significant growth and opportunity, shaping elegant solutions to complex challenges ...

observability across the platform Contribute to agent reasoning flows, memory layers, and workflow design Collaborate directly with founders, product, and customers Shape our engineering culture and long-term technical direction What You've Done 4+ years of professional software engineering experience Deep expertise in Python ...

multi-strategy hedge fund with a strong focus on systematic and quantitative trading. Founded by industry veterans, it combines deep financial expertise with advanced software engineering to manage institutional capital globally. What You’ll Do Design and build high impact internal systems using Java Own projects ...

Software Engineer - Quantitative Finance 40+ top trading firms seeking exceptional engineers. Multiple immediate openings. What you'll do: Build trading systems and market data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C Python/Java ...

diverse clients. You will be instrumental in bringing machine learning out of the lab and into the real world, contributing to scalable software architecture and defining best practices. Working with clients, and cross-functional teams, you'll ensure technical feasibility and timely delivery of high-quality, production-grade … systems. What you'll be doing: Building and deploying production-grade ML software, tools, and infrastructure. Creating reusable, scalable solutions that accelerate the delivery of ML systems. Collaborating with engineers, data scientists, and commercial leads to solve critical client challenges. Leading technical scoping and architectural decisions to ensure project ...

business-focused outcomes. Essential experience includes: Degree (BSc, MSc or PhD) in a quantitative or scientific discipline such as computer science, mathematics, physics or engineering Several years' experience working as a Data Scientist or in a closely related role Expert knowledge of machine learning, AI and statistical methods, applied … time-series or tabular data Strong Python skills and experience with common libraries (e.g. pandas, NumPy, scikit-learn, PyTorch, Transformers, statsmodels, PyMC) Understanding of software engineering and ML best practices, including version control, packaging and model deployment Experience training and deploying models using cloud platforms, particularly AWS Ability ...

build scalable, real-world solutions used across multiple industries. As a Solutions Engineer, youll be hands-on designing and prototyping modern platforms, influencing engineering best practice, and creating reusable technical assets. Its a great opportunity for engineers who want exposure to cloud services, Generative AI, VR/… templates, reference architectures and implementation playbooks What theyre looking for in a Solutions Engineer: 5+ years experience in cloud-native development (Azure preferred) Strong software engineering background (C# and/or Python) Experience with REST APIs, event-driven architecture and microservices Experience with CI/CD pipelines ...

Sanderson are currently working with a client who are looking to develop their software engineering capability, developing novel solutions of a mission critical nature. As a Full Stack Software Developer, you will be responsible for Writing clean, secure code following a test-driven approach Create code that ...

workflows. You will work closely with engineers, traders, and senior stakeholders to translate real business problems into scalable AI systems.This is a hands-on engineering role, with a strong focus on production deployment, cloud infrastructure, and real-world model usage rather than pure research. Role Responsibilities Design, build … deploy AI and LLM-based solutions into production environments Work with large language models, prompt engineering, orchestration, and evaluation Integrate AI solutions into existing trading, analytics, and operational platforms Build scalable pipelines and services across multi-cloud environments (AWS, GCP, Azure) Collaborate closely with engineering, data, and business ...

from CXO level through to delivery. At my client's company, you'll serve as a technical leader, using your production software development expertise to support and guide FTSE 100 clients. You'll also have access to the latest training and certifications, including AWS, Azure, and GCP, along with … solutions, ensuring they are kept up-to-date and accessible. Provide technical leadership and mentorship to development teams, guiding them through best practices in software engineering and architecture. Conduct regular code reviews and performance optimisations to ensure high-quality, efficient solutions. Stay up-to-date with emerging technologies ...

Lead Software Engineer Location: UK-wide (Fully Remote) Level: Lead Join a fast-growing consultancy that's shaping the future of public services and digital transformation. We're looking for a Lead Software Engineer who combines technical excellence with strong leadership and communication skills. This is an opportunity … work on high-profile projects that make a real impact, while helping to scale and innovate. As a Lead Software Engineer, you'll guide a talented team through complex challenges, ensuring best practices and fostering a culture of collaboration. You'll work closely with product managers, UX/ ...

regulated, high-volume environments. This role is ideal for someone comfortable taking models from research through to deployment, with a strong appreciation for robust engineering, governance, and scalability. Responsibilities Design, build, and deploy machine learning models into production within a Financial Services environment Collaborate closely with Data Scientists, Software … experience with ML libraries (TensorFlow, PyTorch, scikit-learn) Experience deploying and supporting ML models in production Solid understanding of data pipelines, versioning, testing, and software engineering best practices Experience working with cloud platforms (AWS, GCP, or Azure) Nice to Have Experience with fraud, risk, credit, AML, pricing ...

title: Software Integration Engineer – Automation (Powershell/C#) Location: New Malden (3 days onsite/2 days remote) Rate: £67.70ph inside IR35/Umbrella Duration: 12 months What you'll be doing: • Providing technical leadership by taking ownership of complex automation solutions, engaging with stakeholders and end users. • Review … expertise to members of other teams • Provision of support and oversight for the work of other team members • Design solutions for deploying and configuring software and systems • Develop and maintain software relating to automation of system build and deployment • Perform investigations and identify appropriate solutions to emerging issues ...