101 to 125 of 134 Software Engineering Jobs in the City of London

Integrate data from multiple sources, ensuring flows are clean, reliable, and consistent. Optimise pipeline performance, reliability, and observability. Collaborate with Data Scientists, Analysts, and Software Engineers to create robust data solutions. Contribute to the architecture and design of data platforms and services. Maintain data quality, security, and compliance across … make a real impact. Our client offers a dynamic environment with opportunities for growth and innovation. If you're ready to take your data engineering career to the next level, we want to hear from ...

Senior Software Engineer | £900 per day (Inside IR35) | London | 3 days in Office Industry: Commodities Trading Location: London Job Type: Contract (6 months initial) Our client, a leading commodities trading firm, is seeking a Senior Software Engineer to support Front Office Technology across Gas and Power. This … support, adapting to changing priorities and multiple workstreams. Provide technical leadership and clear communication across teams. Required Skills & Experience: Strong hands-on engineering experience in Python. Experience working within AWS environments. Proven track record of delivering projects end-to-end within a Front Office or trading-aligned environment. Strong ...

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology … highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers ...

Arcus Search have partnered with a leading Financial Services organisation in London who are looking for a Senior Software Engineer to join the team. More details are below: Role: Senior Software Engineer Location: Central London - 3 days a week in the office Salary: £150,000 - £200,000 + … bonus The role: This role sits within the Platform Engineering function, responsible for building and owning the platforms and tools that enable scalable, resilient, and high-performance systems. The platforms process large volumes of data, and this role focuses on enabling seamless data movement by developing and maintaining SDKs ...

Full Stack Software Engineer - Start Up/Industrial Automation We are partnered with a London-based manufacturer reinventing industrial production through their proprietary software. The team is hiring a Fullstack Software Engineer to architect and scale systems that control factory automation and real-time data processing … aerospace and energy sectors. This is a permanent onsite position in London, UK. Key responsibilities for this Full Stack Software Engineer position: Architect and develop critical systems for factory automation and real-time monitoring. Take ownership of the full stack, including infrastructure, backend services, and UX. Identify operational bottlenecks ...

Principal Software Engineer About the Company: A publicly-traded fintech (NYSE-listed) operating one of the world's most-visited platforms for finance news and data, serving millions of users globally. The engineering team is responsible for infrastructure that handles high-volume real-time market data and powers … experience with demonstrated technical leadership as Lead/Staff/Principal Engineer Deep expertise building and operating large-scale distributed systems in production Polyglot engineering background; strong proficiency in Node.js or Golang preferred Hands-on experience designing and scaling modern database architectures (SQL and NoSQL) Nice to Have: Production ...

globally. This role is ideal for someone who thrives in fast-paced fintech environments and is passionate about clean architecture, system performance, and secure engineering practices. Key Responsibilities Design and develop backend services and APIs with a focus on performance, maintainability, and security. Deliver new features and improvements across … infrastructure teams throughout the development lifecycle. Integrate APIs and services while ensuring reliable, scalable data flows. Contribute to technical discussions, architecture decisions, and engineering best practices. Write clean, well-tested, and well-documented code. Must‐Have Technical Skills Expert-level Node.js development experience (TypeScript/Javascript). Professional Golang ...

decision-making for major global organisations. This is a greenfield data-driven product and you will be joining at the start of a new engineering team being built. You will have the autonomy to define architecture, tooling, and engineering standards from day one. The Senior Back End Developer … ready platform, combining start-up agility with the backing of a well-established business. The Senior Back End Developer will... take ownership of backend engineering for a new API-first data intelligence platform. Role Highlights Design and build scalable backend systems from a true greenfield starting point Define architecture ...

working with one of the fast-scaling fintechs building innovative payments and financial services technology. With serious investment behind them and a growing engineering team. This is an opportunity to work on greenfield and high-impact projects! The Roles We have 6 contract positions available across 4 squads: Incentive … Engineering – London (Revenue critical team - payments experience required) Customer Onboarding (x2) – London Risk Experience – London Ops Enablement (x2) – Bristol-based What I am Looking For Strong commercial experience with .NET/C# Fintech or Payments background required. Solid understanding of REST APIs, microservices, and cloud-based architectures Experience working ...

month rolling FTC (Fixed Term Contract) A leading hedge fund is looking for a Senior C# Engineer to join their Order Management Systems (OMS) engineering team in London. This is a high impact, hands on individual contributor role - building and enhancing trading systems used by traders, PMs and quants ...

partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology, and play a key part in shaping systems that directly influence trading performance. Key Benefits Competitive salary with ...

week in Central London. The technology team is around 50 people and you will be working in an Agile team alongside 3 other Software Engineers. Client Details Our client is in the Financial Sector and is looking to hire a Java Developer for a 9 month FTC - Maternity Cover. … week in Central London. The technology team is around 50 people and you will be working in an Agile team alongside 3 other Software Engineers. Description Design, develop, and maintain software applications aligned with business requirements. Collaborate with cross-functional teams to ensure seamless integration of systems. Conduct ...

continuous improvement of our client's products Develop advanced NLP and AI-based products that will delight users Provide excellence in cloud-based ML engineering, with as much focus on Operations as Development. Expand of the Team’s knowledge via demonstration and documentation Key Responsibilities As a machine learning … research, and experiment with new models and techniques. Perform code-reviews for your colleague’s code. Engage with them to raise standards of Software engineering. Propose cloud architectures for ML-based products that need new infrastructure. Participate in the monitoring and continuous improvement of existing ML systems. Core requirements ...

scaling quickly and continuing to expand the product platform — both in terms of scale and functionality . As a result, they’re growing the engineering team and looking for a Lead Python Engineer to take ownership of a core part of the platform. The Role This is a hands … backend services in Python Designing systems that process financial data and investment workflows Leading architecture and technical design for new features Running a small engineering pod and guiding delivery Improving reliability, performance and resilience of core systems Mentoring engineers and raising engineering standards across the team What ...

Company A high-growth construction technology business is hiring a Robotics Software Engineer to support the development and deployment of robotic, automated manufacturing systems – transforming how homes are built through hardware and software. Currently, they are developing the next generation fleet of their platform. Construction … least digitised industries globally, facing major challenges across cost, labour, and delivery. This team is solving that by combining robotics, mechanical engineering, and automation to enable faster, more efficient, and scalable production environments. Responsibilities Partner with the existing team to meet their launch date of September. Develop robotics software ...

Lead & Senior Software Engineer | Fintech Accelerator | London | Scale-up Impact The Opportunity Born from the successful launch of a major digital bank, we are hiring a high-growth venture team with a fresh mission. Building products that solve real-world financial problems by putting the customer at the center … every decision. As a Lead & Senior Software Engineer, you will be the technical heartbeat of an Accelerator business. This is a rare chance to operate with the agility of a fintech while leveraging the stability and reach of a global financial leader. You will thrive in a squad-based ...

Senior OR Mid Software Engineer - London (Hybrid/2days onsite) - Up to £95K + Bonus TogetherWeTech is hiring a Backend Engineer for their progressive Computer Vision (AI) client that focuses on end-to-end security solutions. As a Backend Engineer, it's a great opportunity to play an integral … Insurance Dental Insurance Stock options Personal development training budget Key Requirements & Responsibilities: Collaborate with cross-functional teams to design, develop, and implement high-quality software solutions. Their environment is Golang (Must have experience) Lead the architecture and design of complex systems, ensuring scalability, reliability, and performance. Strong expertise ...

C# Software Engineer/Developer (Azure API) London/WFH to £90k Are you a backend focused C# Software Engineer with a strong knowledge of Azure? You could be progressing your career in a senior, hands-on C# Software Engineer role at a hugely successful, global health …/wellness company. As a C# Software Engineer you'll join a team acting as a tech incubator within the wider business who are enablin click apply for full job details ...

Forward Deployed Software Engineer | London (Hybrid) | Up to ~£150k depending on level Not every engineering role is about shipping neat features into clean environments; some are about walking into ambiguity and making complex systems work in the real world. I’m partnering with a high-growth technology company ...

love working on tech making a positive impact in the world? Looking to be part of a collaborate, innovate team? ♻ Software Engineer - Renewable Energy for Car Charging ♻ 💰 Package: Up to £80k + bonus + equity 📍 Location: Hybrid in London (2x per week) We are very excited to be continuing … partnership on this exclusive position to join the company as a Kotlin Software Engineer from a JVM background. You will be joining a highly innovative scale-up leading at the forefront of the GreenTech industry, as they assist in the global transition towards sustainable living, by providing affordable access ...

Python Engineer Sports Trading What you’ll tackle Translate data-flow headaches into buildable tech projects, managing data pipelines Python engineering to stand-up analytics services, REST APIs and lightweight front-ends. Data ingestion (SQL, files, feeds), business logic, web/UI, CI pipelines and Linux deployment. White-board ...

work on a high-traffic app, integrate AI/LLM capabilities (including conversational experiences) to support behaviour change alongside medication, and help shape the engineering culture in a senior-heavy, high-agency team. FAQ's Salary: Up to £130 000 Location: 4 days a week in a Warren Street … office If you’re a senior engineer who wants to ship serious software with real-world health impact, drop me an email (oliver@seekr.inc) with “Tipping The Scales” in the subject line. Include your CV if you have it ready or just your LinkedIn profile and a couple ...

Interest or background in digital assets or emerging tech. Open-source contributions or community involvement. What’s Offered Meaningful technical challenges in a modern engineering environment. Competitive compensation and growth opportunities. A flexible, supportive, high‐performance culture. Collaboration with global teams and exposure to cutting‐edge projects. ...

Software Engineer/Developer (C# .Net) London onsite to £90k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a hands-on, backend focussed Software Engineer role at a global sports trading firm, earning substantial bonuses. What ...

Role: C++ Software Engineer Salary: Up to £190k + Bonus Location: London (Hybrid) This firm is an elite company with high tech standards who have previously set tech world records. They are made up of some exceptionally talented individuals who above all are passionate about using the latest … Erlang), or purpose-built languages similar to OCaml • Building out low latency infrastructure and tweaking research models What else is in it for you? • Software Engineers are treated as the company's #1 asset • Low attrition rate; people working there love what they do on a daily basis! • Very ...