51 to 75 of 290 Software Engineer Jobs in London

Lead Golang Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front End EMS OMS Execution Order Management … System Portfolio Golang Go Java AWS Kafka) required by our trading software client in London. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software Engineer/Programmer Excellent Golang Experience building Front Office trading systems (portfolio management, execution or order management ...

Senior Software Engineer - .NET Core, Blazor, SQL Server Location: Remote (UK-based) Salary: £50,000 - £60,000 (depending on experience) Benefits: Company pension scheme, 25 days holiday + bank holidays Applause IT are recruiting for a Senior Software Engineer on behalf of a highly impactful, tech … annually, powered by a bespoke tech platform that emphasises transparency, accountability, and data accuracy. As their operations grow, they're seeking an experienced Senior Software Engineer to help evolve and scale their platform. What you'll be doing: Developing and maintaining robust internal and external systems using .NET ...

Software Engineer London/Hybrid | Perm Role £80,000 - £100,000 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 … 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. ...

Software Engineer (Java/Fintech) | London | 6-Month Contract Role: Backend Software Engineer Team: RegTech (Fintech Business Unit) The Stack Primary: Java (Expert level) & Microservices. Data: Cassandra, Hadoop, MySQL. Cloud: AWS (Kinesis, Step Functions, EC2). Focus: Distributed systems, batch processing, and data integrity. The Mission … lifecycle of services that handle identity verification, risk assessment, and onboarding for a global partner base. Requirements Experience: 3+ years in server-side software development. Architecture: Building highly scalable distributed systems and data pipelines. Expertise: Unit/Integration testing, architecture reviews, and defining SLOs. Mindset: 'Can-do' attitude; able ...

Software Engineer (Java/Fintech) London 6-Month Contract Role: Backend Software Engineer Team: RegTech (Fintech Business Unit) The Stack Primary: Java (Expert level) & Microservices. Data: Cassandra, Hadoop, MySQL. Cloud: AWS (Kinesis, Step Functions, EC2) click apply for full job details ...

Software Engineer Location: London, Hybrid I'm working with a fast-growing digital marketing agency who are looking to add a Software Engineer to their team. The Role This is a role where you will be mainly hands on but also have the opportunity to work ...

intelligently match complex datasets, streamline our operations, and give homebuyers the clarity they need to make life-changing decisions. We are seeking a Lead Software Engineer to take ownership of our technical vision and transition into the CTO role. This is a rare opportunity to help build … learn quickly and work on challenges that matter. We hope youll enjoy the journey as much as we do. What youll do As Lead Software Engineer and co-founder, youll play a critical role in shaping the future of BroadbandUK. Youll work directly with ...

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 … continuing our 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 ...

Experis Software Engineer Perm Salary DOE London (Hybrid) **DV or SC Clearance Essential** Our client, a rapidly growing deep-tech consultancy, urgently require an experienced Software Engineer to join their team on a permanent basis. In order to be successful, you will have the following experience … Experienced Software Developer/Engineer Strong background within Python, C++, C#, SQL, TypeScript Experience of Palantir technology is a bonus DV or SC Clearance is essential Within this role, you will be responsible for: Delivering strategic advisory, engineering delivery, and enablement services to Government and commercial clients. Solve ...

Title: Senior Platform Software Engineer/Mobile App Experience Layer Engineer Location: Stratford, London – 4 days onsite in Office Rate: £73.18ph Umbrella company basis (INSIDE IR35) Employment Type: Contract (Currently financed until December 2026) Hours: Standard 37.5 Hours Per Week Reference: F56465 Mobile App Experience Layer Engineer The Opportunity The Mobile App Engineering department within Connected Vehicle Software brings together the people, skills, tools, and methods to create world-class software products. We are a highly motivated, customer-focused launch team creating apps such as the app for retail customers and Telematics Drive ...

Senior Software Engineer Lead complex engineering work | Azure | .NET | Distributed Systems At GTreasury, we build software that sits at the heart of the CFO’s office. Our SaaS platform handles complex financial workflows at global scale - and we’re investing heavily in the next phase of growth. … hiring a Senior Software Engineer who enjoys solving hard problems, influencing technical direction, and mentoring others while staying close to the code. 💻 Core Tech Stack C#/ASP.NET Core Azure (cloud architecture & services) Microsoft SQL Server Modern JavaScript frameworks (Angular experience a plus) CI/CD with Azure ...

Senior Software Engineer The Opportunity On behalf of a global powerhouse in FinTech Infrastructure , we are seeking a Senior Software Engineer . Our client operates one of the largest financial networks, serving as the digital backbone for thousands of global financial institutions. This is a senior … tier appointment for an engineer who excels at building resilient, high-concurrency systems and wants to lead the digitalization of global financial markets. The Technical Stack You will be working within a modern, engineering-first culture. The core stack includes: The Engine: Expert-level C# and .NET Core mastery. ...

Senior Software Engineer | Hybrid | London We are hiring for an innovative analytics software company powering global credit investment is expanding its engineering team and looking for a Senior Software Engineer to help shape its next generation of data products. This is a unique opportunity ...

Senior Software Engineer Make sure to apply with all the requested information, as laid out in the job overview below. Location: Fareham Permanent – Full Time Hybrid/Flexi Working £60,000 - £75,000 Our client is seeking a Senior Software Engineer to develop advanced autonomy capabilities … modern AI‐driven techniques where appropriate. You’ll work closely with a multidisciplinary engineering team and take ownership of delivering reliable, mission‐critical software deployed on real autonomous platforms. Key Responsibilities Develop high‐level autonomous behaviours for unmanned vehicles. Design and optimise algorithms for path planning, obstacle avoidance ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We’re partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high … performance, scalable software for real-world, high-traffic systems. About the Role You’ll join a permanent feature team, taking end-to-end ownership of services, from design and development to testing, deployment, and optimisation. Your focus will be on building robust microservices that support high-traffic user experiences ...

Title: Senior Embedded Software Engineer Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Salary: Salary is competitive and negotiable based on experience. Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier … Smart Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer , you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software ...

Platform Software Engineer - HIRING ASAP Start date: ASAP Duration: 11-month contract Location: 4 days in Stratford London office, 1-day remote working - Per Week Rate: £500 - £548 per day inside IR35 Summary We are looking for a Senior Platform Software Engineer to join the Ford … Charging to deliver the best customer experience, reduce fleet downtime, and enhance fleet efficiency by providing actionable insights. Responsibilities As a Senior Platform Engineer, you will act as a technical lead. You will value team success over individual success and serve as a champion for software craftsmanship. Technical ...

Python Software Engineer – Visual Quality/Media – London Hybrid – Outside IR35 A London-based technology company is seeking a capable Python Developer to support development and maintenance of an in-house quality test framework used to validate next-generation video codec technology. Initial 3-month contract. Key Requirements … This role suits a pragmatic Python developer comfortable working in a technical, fast-moving media technology environment. Excellent opportunity to contribute to high-performance software used by major industry customers. The Software Engineer must have full UK working rights and be able to attend the office ...

Lead Software Engineer – FinTech A high-growth FinTech is expanding its engineering leadership and is looking for a Lead Software Engineer to guide the development of core platform capabilities. Their products enable businesses across the UK, and the organisation is scaling quickly as demand increases. This … position is ideal for someone who enjoys hands-on engineering while also influencing architecture, mentoring others, and shaping how modern software is built and delivered. What You’ll Take Ownership Of As a technical leader within the team, you’ll be responsible for: Designing, building, and improving large-scale ...

Java Software Engineer Active SC Clearance Contract Length: Initial 3-month contract £400-£480pd (Inside IR35) Working Pattern: Flexible fortnightly on-site visit to a convenient Available Locations: Glasgow, Newcastle, Leeds, Sheffield, Manchester, Birmingham, Blackpool, Cardiff, London Role Overview We are seeking an experienced Java Software Engineer to join an agile delivery team working on modern, scalable services. You will design, build, and test high-quality software in a collaborative, fast-paced environment, contributing to systems used by both internal and external users. Key Responsibilities Design, develop, and maintain Java-based microservices using modern development ...

Senior Software Engineer Location: London (Hybrid) Contract Duration: 6 months Join a specialized Applied AI team driving innovation in business operations. The group accelerates AI transformation by developing agentic systems and full-stack infrastructure to automate workflows and drive efficiency. We're seeking a Senior Software Engineer … with corporate grit (processes, ticketing, documentation). Strong knowledge of distributed systems and high-availability APIs . Preferred Qualifications Experience in B2B or enterprise software environments . Ability to define product requirements and deliver end-to-end solutions. We're seeking passionate engineers who thrive in fast-moving, innovative ...

Senior Software Engineer Location: London (Hybrid) Contract Duration: 6 months Join a specialized Applied AI team driving innovation in business operations. The group accelerates AI transformation by developing agentic systems and full-stack infrastructure to automate workflows and drive efficiency. We're seeking a Senior Software Engineer … with corporate grit (processes, ticketing, documentation). Strong knowledge of distributed systems and high-availability APIs . Preferred Qualifications Experience in B2B or enterprise software environments . Ability to define product requirements and deliver end-to-end solutions. We're seeking passionate engineers who thrive in fast-moving, innovative ...

Principal Software Engineer Please double check you have the right level of experience and qualifications by reading the full overview of this opportunity below. Location: Fareham Permanent – Full Time Hybrid/Flexi Working £70,000 - £90,000 Our client is seeking a Principal Software Engineer … high‐level autonomous behaviours for unmanned vehicles. Design, implement and optimise algorithms for path planning, obstacle avoidance, and mission autonomy. Build robust autonomy software using C++, Python, ROS2, DDS, and Linux-based systems. Integrate autonomy with perception, navigation and hardware systems. Write clean, structured and well‐documented code. Test ...

Staff Software Engineer Technical leadership | Azure Architecture | .NET | Angular | Platform Scale GTreasury is scaling its core SaaS platform - and we’re looking for a Staff Software Engineer to help lead that journey. This is a senior technical leadership role where you’ll combine deep hands … level engineers Own production reliability in a “you build it, you run it” model 👀 What We’re Looking For 8+ years of software engineering experience Deep expertise in .NET, Azure, and SQL Server Proven experience designing scalable cloud platforms Strong technical leadership without losing hands-on depth Comfort operating ...

Senior Software Engineer (.Net & Angular) - £70,000 – £85,000 pa + 25% Bonus + Benefits I am working with a leading professional services client in London that are looking for a Senior Software Engineer with full stack capabilities to join a small but talented team. ...