176 to 200 of 650 Software Engineering Jobs in the City of London

Social network you want to login/join with: Graduate Software Engineer, London (City of London) Client: Highbury Consulting Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 11 Posted: 25.05.2025 Expiry Date: 09.07.2025 Job Description: Graduate Software Engineer – High-performance team £50K + Bonus + Benefits + International exposure More ❯

C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to More ❯

Lead Software Engineer Tech Stack: C#, .NET, SQL, Azure, Docker, Bloomberg, Fidessa London - Onsite Salary Range: £80,000 - £135,000 Harrington Starr has partnered with a boutique Investment Bank, with decades of experience and exceptional performance. They are currently seeking to hire a Senior/Lead Engineer possessing strong experience developing front office applications and systems, integrating with 3rd More ❯

projects. This includes designing and building new functionality, enhancing existing systems, and modernising legacy applications. You’ll work closely with various teams across the business to develop high-performance software solutions that drive growth. 💡 Key Responsibilities: Develop and maintain SPA (Single Page Applications) using Angular, HTML, CSS, and TypeScript. Build and enhance web services and RESTful APIs using C# More ❯

Senior DevOps Engineer – Data Protection Hybrid in London Office Up to 120k + bonus + benefits We are thrilled to partner with an innovative cybersecurity company that is revolutionising data protection for the GenAI era. This innovative scale-up equips More ❯

Senior C# Developer Key Technologies: C#, .NET, .NET Core, Azure, SQL London Perm Role | Hybrid Working £80,000 - £110,000 Harrington Starr has partnered with a global Investment Bank who are looking to hire a seasoned C# Developer with extensive More ❯

A leading global trading firm is looking for a C# .NET Developer to join its trading systems team. You’ll work across front office, risk, and operations to build and support business-critical systems that handle real-time trade execution More ❯

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking More ❯

algorithms. This role will be based in London, with a requirement for 3 days on-site time each week, and 2 days working remotely. Rate negotiable Skills & Requirements: Specific Software Skills are : Strong expertise in C++ development, with a deep understanding of object-oriented programming, data structures, and algorithms Experience with version control systems (e.g., Git), build systems, and … continuous integration/continuous deployment (CI/CD) pipelines Knowledge of other programming languages (e.g., Python, Java) and software development tools is a plus. Ability to translate business needs into functional code Performing PR reviews on other developers’ code Clearly able to demonstrate and report on progress in delivering code Experience : Proven experience as a Technical Lead or similar … role in software engineering Proven experience as a hands-on Developer related to mentioned technologies Experience with software development methodologies, such as Agile or Scrum Excellent problem-solving skills and the ability to think critically and creatively Strong communication and interpersonal skills, with the ability to collaborate effectively with diverse teams More ❯

As a Senior Backend Engineer, you will be tasked with the successful operation and delivery of backend software projects that encompass C++ development, SIP signaling protocols, WebRTC, audio streaming development, and AI speech-to-speech technology. You will play a crucial role in architecting backend solutions and ensuring that all projects meet the specified requirements within the designated timelines. … RESPONSIBILITIES Lead and ensure the smooth operation of backend software development projects. Complete software projects on time and within key requirements. Communicate effectively with adjacent team members and team leads (QA, Design, Product). Stay current with relevant technological advancements and perform software engineering duties as needed. Architect and implement backend solutions for web services and … C++ SIP signaling protocols WebRTC (nice to have) Audio streaming development AI speech-to-speech technology Experience in architecting web services and web applications. Understanding and implementation of the software development lifecycle (SDLC). Customer-facing communication experience is a plus DESIRED SKILLS AND EXPERIENCE RabbitMQ Redis OAuth Azure DevOps feature stack SDLC DotNet Core 3 and above, C# More ❯

is the core technology crucial to Ki's success – allowing us to evolve underwriting intelligently and unlock massive scale. We're a multi-disciplined team, bringing together expertise in software and data engineering, full stack development, platform operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. … We're looking for a Senior Full-stack Engineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications • Build eye-catching, functional, efficient, and reusable web and mobile-based sites that drive these web applications • Design, build, test, document and maintain API’s and integrations • Ensure quality control using industry … and UX designers to review designs, implement new features, and ensure user experience is top level • Explore new ideas and emerging technologies, develop prototypes quickly • Uphold and advance the engineering team’s principles and ways of working • Serve as a domain expert for one or more of Ki’s core technologies • Mentor and coach colleagues in both engineering More ❯

with direct exposure to the PMs and the Trading Desks. Required: 3+ years Python or C++ development experience in an enterprise environment. Relevant financial experience in, Strong Computer Science, Engineering (or a related subject) background. Able to work in a modern software engineering environment, using Agile and DevOps methodologies and tools including Scrum, git and CI/ More ❯

development of data pipelines in Azure Databricks, Data Factory, and T-SQL. Provide senior-level technical direction to onshore and offshore development teams. Translate data requirements into effective data engineering solutions. Collaborate closely with business stakeholders to ensure alignment with project goals. Maintain detailed documentation and ensure robust testing practices. Plan and manage progress in Agile sprints alongside project … managers and scrum masters. Requirements: Extensive experience in Azure data engineering, with strong expertise in Databricks, Azure SQL, and Data Factory. Deep technical knowledge of SQL Server including stored procedures and complex data transformation logic. Proven experience in designing and delivering data warehousing and dimensional modelling solutions. Excellent collaboration skills with a track record of working in Agile teams. … Kingdom 2 weeks ago City Of London, England, United Kingdom 4 weeks ago London, England, United Kingdom 4 days ago Senior ODI ETL & OAS BI Banking Data Developer Senior Software Engineer - Card Integrations - Visa/Mastercard London, England, United Kingdom 1 day ago London, England, United Kingdom 4 days ago London, England, United Kingdom 2 weeks ago Data Architect More ❯

agile environment, based on research, collaboration and learning from failure Key Requirements: Experience across RFQ is ideal Strong design (patterns), algorithms and data structures knowledge Experience with the entire software development life cycle Experience with building services from scratch and developing on top of existing components Understanding of Continuous Delivery concepts. Interactions with tools such as Git, Azure DevOps … Maven Flexibility in development technologies. Expected to work with different technologies and languages (KDB, Proprietary Software, Java, Python) About the job Contract Type: FULL_TIME Specialism: Information Technology Focus: Software Engineering Workplace Type: Hybrid Experience Level: Mid Management Location: City of London Salary: £100,000 - £120,000 per annum + bonus + benefits Job Reference: PXH5O4-D9D69952 More ❯

hands-on experience in developing algorithms. This role is based in London, with a requirement for 3 days on-site each week, and 2 days remote. Skills & Requirements: Specific Software Skills: Strong expertise in C++ development, with a deep understanding of object-oriented programming, data structures, and algorithms Experience with version control systems (e.g., Git), build systems, and CI … into functional code Performing PR reviews on other developers’ code Ability to report on progress in delivering code Experience: Proven experience as a Technical Lead or similar role in software engineering Hands-on experience as a developer in relevant technologies Experience with Agile or Scrum methodologies Excellent problem-solving skills and creative thinking Strong communication and interpersonal skills More ❯

We are 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 forces. Founded in 2023, the company has already … a $10m Seed round in 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) or Paris (Le Marais) We … as a hands-on individual contributor and problem-solver Requirements Degree in Computer Science or a related field, or equivalent experience 5+ years of experience working with cross-functional software development teams Experience shipping and iterating on production-grade software components professionally and/or in the open-source community Ability to write robust, well tested, and well More ❯

We're looking for a skilled Cloud Engineer with experience in Cloud technologies to collaborate with our Data Platforms Engineering team, on advancing our Enterprise Data Lakehouse platform. If you're passionate about developing scalable data solutions and automating infrastructure, this role is for you. At Nationwide we offer hybrid working wherever possible. More rewarding relationships are supported through … advert earlier than the advertised date, so please apply as soon as you can. What you’ll be doing In this role, you'll work in the Data Platforms Engineering team, utilising cutting-edge Cloud technology within Microsoft Azure to enhance our Enterprise Data Lakehouse platform. Using tools such as Databricks, Python, and Terraform , you'll design and develop … process for new team members easier. About you We're seeking a Cloud Engineer eager to contribute to a cutting-edge Data Lakehouse platform. We're looking for: Strong Software Engineering Foundations: Hands-on experience coding in Python for tasks like data manipulation, automation, and tool development. Cloud Platform Experience: Exposure to Azure or AWS, including setting up More ❯

London office. It is a full-time role, 40 hours per week. If this role feels right, send us your CV. Accountabilities: * Playing a pivotal role in the backend engineering team, you will help to build full-stack cloud apps. * You'll be using Python and AWS Cloud services on the backend. * Adopt a Server-less first approach to … large-scale systems and extensive datasets. * Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams. Knowledge and Skills: * Demonstrated expertise as a Mid or Senior Software Engineer. * Proficiency in Python as your primary language, or willingness to adapt. * Hands-on experience with RESTful APIs and/or GraphQL. * Proficiency in version control tools like Git. … and TDD. * Eagerness to engage with emerging technologies and collaborate with the team in designing solutions from inception, facilitated by effective communication skills that promote teamwork. * Strong abilities in software design, problem-solving, and debugging. * Enthusiasm for continuous code improvement and learning from peers. Please note: Should your application be successful, and you are offered the role, a number More ❯

government and defence projects. As new work comes through, we’re looking to speak with DV-cleared professionals across a range of technical areas, particularly those with expertise in software engineering, cloud, and DevOps . This is a speculative advert for both contract and permanent roles – if you have current DV clearance and would like to be kept More ❯

is crucial to their growth. As a sole Azure DevOps engineer, you will work closely with the firms front, middle & back office development teams, implementing a modern approach to software engineering/automation and infrastructure delivery, that enables continuous integration and operation, as the firm continues to grow its trading desks to cover further products & countries. Helping to More ❯

postgraduate degree (PhD or MSc) in Computer Science, Machine Learning, Computational Biology or a related field At least 5 years of industry experience in AI/ML research or engineering, with a minimum of 4 years in a technical leadership role or 3 years in people management A strong publication record or equivalent practical expertise in areas such as … e.g. AWS, Azure, Lambda) Strong critical thinking, strategic planning, and problem-solving abilities Desirable Experience in protein or DNA bioinformatics Proficiency in MLOps and machine learning infrastructure Background in software engineering and data pipelines (e.g. using Airflow) Familiarity with cloud-based model deployment Exposure to Agile project management methodologies This is a rare opportunity to shape the future More ❯

models that will drive alpha generation and risk management for years to come. As a Quant Developer, you will work at the intersection of quantitative research, machine learning, and software engineering. You'll collaborate with quants, data scientists, and portfolio managers to design and implement scalable systems for data ingestion, model training, and real-time signal deployment. Key Responsibilities … deployment. Experience with quantitative finance, including time series analysis, alpha modelling, or risk analytics. Familiarity with cloud infrastructure (e.g., AWS, GCP) and containerisation (Docker, Kubernetes). Proficiency with data engineering tools Experience working in fast-paced, collaborative environments with agile methodologies. Nice to Have Prior experience in a hedge fund, prop trading firm, or investment bank. Exposure to reinforcement More ❯

and More Values: Innovative, Flexible, Responsive, Professional, Integrity Product/Service: Fintech SaaS Leading supplier of investment workflow and data distribution services to the UK financial advisory market. Our software integrates with most of the leading investment platforms and back-office systems in the UK. Your Skills/Background: SaaS/Application Software Development, C#/.NET, .NET … industry by enabling the flow of rich and accurate data between systems. Our product FINIO is the award winning data hub that connects investment platforms, discretionary fund managers with software providers and advisory firms for the flow of investment data. It helps the wealth management sector become more efficient, integrated and enables the flow of complex investment data that … is increasingly required to power today s software systems. We operate in a fast-paced, customer-first environment that embraces innovation. Our technology stack is Microsoft-based, running on a VMware virtualized private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our More ❯

the main person in charge when the CTO is unavailable/off Qualifications: Experience in a Senior/Lead role with mentoring + project leadership Proven experience as a Software Engineer, particularly with NextJS (React), GraphQL, and TypeScript Strong understanding of web development principles and best practices. Familiarity with modern software development practices, including agile methodologies Excellent problem More ❯

Maintain all the cloud tools used on the production infrastructure Support product squads with the relevant knowledge about the infrastructure evolution and needs To be considered: Experience as a Software Engineer or similar role working with large-scale infrastructure systems AWS, Azure or Google Cloud Containerisation technologies such as Docker or Kubernetes Excellent scripting and automation skills Knowledge/ More ❯