51 to 75 of 221 Software Engineering Jobs in the City of London

Python Developer London/Hybrid | Permanent A global financial markets business is hiring a Full Stack Python Developer to join a high-impact enterprise engineering team working on one of its most strategic platform initiatives. This role sits within a central technology function responsible for building shared capabilities used … enjoys solving complex technical problems, working across teams and building scalable systems in a fast-moving environment. The Opportunity You’ll join a modern engineering team focused on creating reusable enterprise technology that reduces duplication, accelerates delivery and improves standards across the business. The platform under development is central ...

Engineering Lead, Senior Software Engineer, Quantum Computing, Financial Services, Cloud Technology, Technology Architecture and Design, Start-Up Environment Hybrid Role – London office 2 to 3 days a week – if based outside of London, consistent visits to the office are essential – please note that sponsorship is NOT available Salary … Quantum computing and financial services, applying cutting-edge technology solutions to solve complex business problems for their clients. This position will suit an Engineering Lead/Senior Software Engineer with detailed design, architecture and coding skills who is technology agnostic, can wear multiple hats and has an ambition ...

Senior AI Software Engineer London, Hybrid (2-3 days) Up to £145k + bonus Oliver Bernard are once again partnered with a high-growth AI deployment company operating at the forefront of enterprise AI. Backed by top-tier investors and AI labs, they’re already delivering production-grade systems … across finance, energy, and healthcare. This is a hands-on, client-facing role at the intersection of software engineering and AI. You’ll embed with teams, build AI-native workflows end-to-end, and shape how modern software gets delivered. Must haves: • 5+ years building and shipping ...

Software Engineer – Low Latency/Trading Systems London | Office-Based | Permanent A high-performing proprietary trading firm is looking to hire a Software Engineer to join its core engineering team building the systems that power live trading across global electronic markets. This is a strong opportunity … trading technology stack, helping design and optimise the infrastructure used for research, backtesting and live execution. The role suits someone with strong systems-level engineering capability who wants to work on real-time platforms where code quality and performance have direct commercial impact. You’ll partner closely with researchers ...

Role: Senior Software Engineer – Defence Location: North London Job Type: Permanent, Full Time, Hybrid We are partnering with a leading defence radar technology company to recruit a Senior Software Engineer . This is an exciting opportunity to work on cutting-edge systems, contributing to the full software lifecycle for advanced, high-performance products used in critical environments. The Role As a Senior Software Engineer, you will take ownership of software development from initial concept through to verification and delivery. You’ll play a key role in designing robust solutions, supporting existing systems, and mentoring ...

site Salary £80-105k depending on experience, plus bonus & benefits Clearance Eligibility for SC Clearance An experienced Senior Solution Architect with a strong software engineering background (Java/.NET) and eligibility for SC clearance, specialising in the design and delivery of scalable, cloud native solutions using microservices … architecture and solution assessments, including product selection, architectural patterns, and sourcing strategies Develop and maintain architecture roadmaps, providing strategic direction and technical leadership Mentor engineering and architecture teams, promoting best practices in modern software and cloud architecture Skills & Experience Proven track record of owning HLD for large scale ...

partnering with an early-stage, mission-driven company at the intersection of AI and national defence to appoint exceptional Full Stack Software Engineers . This fast-growing organisation is transforming mission-critical combat planning and operational decision-making by building next-generation AI-driven software tools for western … 2024. The founding team is composed of ex-Palantir and ex-Open AI leaders. They combine deep sector knowledge with cutting-edge design and software engineering expertise to deliver state-of-the-art SaaS capabilities leveraging NLP, Generative AI, and reinforcement learning technologies. Position location (hybrid): London (Shoreditch ...

Senior Software Engineer (.NET/C#) | Greenfield Systems Rebuild | Remote (UK) | £80,000-£100,000 This is a hands-on senior engineering role with real technical authority. You will be the lead engineer and technical decision-maker on a greenfield rebuild of a mission-critical system, working within … broader enterprise architecture responsibilities including architecture governance, technology strategy and platform evolution planning. WHAT WE'RE LOOKING FOR Must-have 5+ years in senior software engineering or technical lead roles, with strong hands-on .NET/C# delivery. Demonstrable experience leading architecture decisions on production-grade systems ...

Role: Software Engineer (Full Stack) Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Accenture is a leading global professional services company, providing a broad range of services in strategy and consulting, interactive, technology and operations, with digital capabilities across … with the communities in which we work and live. It is personal to all of us.” – Julie Sweet, Accenture CEO Job Qualifications Accenture Software & Platform Engineering is over 1,000 people strong and provides end-to-end product engineering solutions which deliver tangible value, fast. We bring ...

Agentic Systems that reason, plan, and execute complex workflows. This is a unique opportunity to work at the intersection of Generative AI and robust software engineering, applying cutting-edge LLM techniques to high-stakes, real-world data. What You'll Be Doing Agentic System Design: Build intelligent … frameworks. LLM Specialization: Implement RAG (Retrieval-Augmented Generation) pipelines and fine-tune models using PEFT/LoRA to create domain-specific insurance experts. Production Engineering: Design and maintain robust ETL/ELT pipelines and manage the lifecycle of models using Docker, Kubernetes, and CI/CD . Responsible ...

Agentic Systems that reason, plan, and execute complex workflows. This is a unique opportunity to work at the intersection of Generative AI and robust software engineering, applying cutting-edge LLM techniques to high-stakes, real-world data. What You'll Be Doing Agentic System Design: Build intelligent … frameworks. LLM Specialization: Implement RAG (Retrieval-Augmented Generation) pipelines and fine-tune models using PEFT/LoRA to create domain-specific insurance experts. Production Engineering: Design and maintain robust ETL/ELT pipelines and manage the lifecycle of models using Docker, Kubernetes, and CI/CD . Responsible ...

data analytics, particularly someone motivated by the opportunities at the intersection of these areas. The ideal candidate will have experience in problem solving, data engineering, and stakeholder communication, with a background in a quantitative discipline (e.g. computer science, engineering, physics, statistics, or applied mathematics). The role involves … cloud technologies (experience with major cloud platforms is beneficial but not essential) Strong collaboration and communication skills 4+ years of experience in data-focused software development, including data modelling, design patterns, and building scalable, secure systems Working knowledge of software engineering principles and best practices, including testing ...

lead within a Business/Core Pod, responsible for mentoring engineers, shaping solution architectures, and ensuring delivery excellence. This role combines deep hands-on engineering with architectural ownership and close collaboration with product managers and domain experts. Key Responsibilities Own the technical design and architecture of GenAI agent workflows … agent behavior, design decisions, and integration logic for operational readiness and knowledge transfer Preferred Qualifications Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field 4+ years of experience in developing and deploying production-grade AI/ML or automation solutions Strong ...

lead within a Business/Core Pod, responsible for mentoring engineers, shaping solution architectures, and ensuring delivery excellence. This role combines deep hands-on engineering with architectural ownership and close collaboration with product managers and domain experts. Key Responsibilities Own the technical design and architecture of GenAI agent workflows … agent behavior, design decisions, and integration logic for operational readiness and knowledge transfer Preferred Qualifications Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field 4+ years of experience in developing and deploying production-grade AI/ML or automation solutions Strong ...

legacy estate: identify what to kill, what to keep, and how to migrate without breaking continuity Line manage, hire and develop the Data Engineering squad, setting technical standards and team culture Implement modern engineering hygiene: CI/CD, automated testing, observability and FinOps Partner with the Data Delivery … against strategic build Represent the data function in setting organisation-wide standards for coding, security and DevOps Requirements: 5 to 8 years in data engineering or data architecture, with at least 3 years in a leadership position Expert-level Databricks, Azure and SQL/Python Proven track record ...

part of a rota, and proactively chase ways to reduce/design out manual support overhead Required skillset Bachelor's degree in Computer Science, Software Engineering or a STEM subject from a recognised university Minimum 2 years of solid working experience in an infrastructure, DevOps, or Platform engineer ...

rely on Bring fresh ideas to the table — challenging existing approaches and proposing better solutions where you see them Work closely with Product and Engineering teams to break down complex problems and deliver impactful features Take ownership of your own development while helping to raise the bar for those … around you Get involved in hiring — helping to assess and attract strong technical talent to the team Stay curious about the wider engineering landscape and bring relevant insights back to the team Key Requirements Strong commercial experience in Kotlin or JVM technologies for backend development Confidence working with Spring ...

working with a leading fixed income hedge fund in London that is expanding its front‐office engineering team. The fund has a strong performance track record, a deep commitment to technology, and a culture where engineers work side‐by‐side with quants and traders to build the systems that … investment workflow. It’s a fast-moving, highly technical environment where code quality, performance, and reliability matter. The team runs weekly sprints, uses modern engineering practices (PR reviews, rapid releases, continuous development), and has a strong track record of developing talent. We’ve partnered with this group and their ...

growing modern data function. This is not a people management role — we need a true technical leader. Someone who can come in, raise engineering standards, implement best practices, and show the existing team what “good” looks like in a modern data environment. You’ll be joining at a genuinely … Driving modern DataOps practices including CI/CD, GitOps, testing, and automation • Implementing robust, observable, and high-quality data pipelines • Leading by example within engineering teams and elevating technical standards • Supporting the move toward cross-functional product squads • Working closely with governance and analytics teams to build mature, scalable ...

London, up to £750 per day inside IR35 A global banking organisation are looking for a Senior AI Platform Engineer to join a growing engineering team building secure, scalable cloud and AI solutions in a modern multi-cloud environment. This is a hands-on role for someone who enjoys … working at the intersection of cloud platforms, software engineering, and AI enablement. You’ll help design and deliver cloud infrastructure, automation frameworks, and integration services that support innovative AI-driven solutions. Key Responsibilities: Design and implement cloud and AI‐ready solutions on Azure (primary), Oracle Cloud ...

Relocation to Dubai required] About the Company We are working with a high profile, AI Scale-Up focused on building advanced AI-driven software for enterprise environments. The approach centres on developing highly customised solutions that integrate deeply with client data, workflows, and operational processes. Rather than offering … team delivers tailored systems designed to drive measurable improvements in efficiency, decision-making, and overall performance. The work sits at the intersection of software engineering, data, and real-world business impact. The Role - Forward Deployed Engineer This is a high-impact, customer-facing engineering role focused ...

delivery-focused leader with strong data and analytical capability to drive execution and performance visibility across a growing AI product suite. As a Software Delivery Manager, you will own the end-to-end delivery of AI-driven software initiatives, ensuring releases are executed smoothly, on time, and with … actionable delivery decisions and executive-level reporting. Reporting to the Director of Generative AI, you will play a key role in coordinating delivery across software engineering, data science, and product teams, while building the dashboards and metrics frameworks that underpin release confidence and strategic decision-making Key Responsibilities ...

regulated environments. Implement robust data quality controls including testing, validation, monitoring, and alerting. Drive performance optimization across Spark and Snowflake workloads. Partner with Product, Engineering, DevOps, and Regulatory teams to translate requirements into scalable technical designs. Contribute to the continuous improvement of our development processes and tools. Must-Haves … using Python and PySpark. Able to write and optimize complex SQL queries on large data sets. Strong data modeling and warehouse design fundamentals. Strong software engineering fundamentals (clean code, automated testing, CI/CD, observability) Experience with modern cloud data platforms and orchestration tools. Comfortable translating complex regulatory ...

prestigious client to work on a portfolio of public and private sector projects. Our client is a global leader in technology, consulting, and engineering services at the forefront of innovation to evolve the world of digital, cloud, and platforms. You’ll experience excellent career progression opportunities to develop your … client is seeking individuals with strong technical expertise in machine learning, GenAI, computer vision, and data science, alongside solid skills in solution architecture and software engineering to design and scale impactful solutions. This role involves working closely with clients to identify challenges, define solutions, communicate their value clearly ...

held any of these roles or used these technologies/skills, this role could be a great fit: Full-Stack Developer, C# Software Engineer, .NET Developer, ASP.NET Developer, Greenfield Development, Automated Systems Engineer, Sports Trading Tech Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy ...