251 to 275 of 279 Software Engineering Jobs in the City of London

Software Engineer - Compiler Role Overview: Develop and optimize compiler technologies for our RISC-V vector core, focusing on efficient code generation and optimization for graphics and AI workloads. Key Responsibilities: Develop and maintain compiler backend for our RISC-V vector extensions Implement code generation and optimization passes for graphics ...

Software Engineer in Test (Java backend & APIs) ??| Fintech Trading ?? ?? £70,000 - £90,000 + Bonus + Benefits ?? Hybrid - 3 days/week in Central London Join a collaborative, engineering-led team ensuring the stability and performance of a high-volume, global electronic trading platform. You'll write clean … quality and attention to detail in fast-paced environments. ? BONUS POINTS: Experience in electronic trading, FX, banking or fintech domains Shape the quality of software that millions of trades rely on - apply ...

scalable data science and machine learning solutions that deliver tangible business value. This is a hands-on position suited to experienced practitioners with strong engineering, statistical, and communication skills. Responsibilities Design, develop, and productionise scalable data science and machine learning products Collaborate closely with data engineers, software engineers ...

Senior Software Engineer Location: London (Hybrid/On-site) Salary: £100,000 – £150,000 + equity About the Company We’re working with an early-stage, venture-backed legal technology startup on a mission to transform one of the UK’s most broken consumer experiences: the legal process behind … earliest engineers in the business. You’ll be part of a small, high-calibre team of generalists who value product thinking, speed, and engineering craft. From day one, you’ll have significant ownership, shaping product direction, shipping to production quickly, and working directly with users to define what should ...

Role: Staff Software Engineer (Python | Backend | Infrastructure) Location: Hybrid - 2-3 days in London Office Compensation: Up to £170,000 + equity We’re working with a frontier AI lab pushing the boundaries of computational biology, combining machine learning, cloud infrastructure, and scientific research to accelerate discoveries in life … infrastructure . Proficiency with databases — schema design, performance optimization, and analytics. Familiarity with REST APIs , websockets, and authentication/security best practices. A disciplined engineering mindset — you think about reliability, maintainability, and long-term scalability. Nice-to-haves Experience with MLOps and model-serving infrastructure. Background in high-performance ...

Backend Software Engineer/Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Sports Tarding business, earning substantial bonuses. As a Backend Software Engineer within ...

Role : Software Engineer (Mid or Senior) Salary range: 60-80k (+ 20% bonus - paid in monthly increments) Location : Central East London (x3 days per week onsite) Tech stack includes : React, Typescript, NodeJS, GraphQL, Kubernetes, Neo4j. Current team size: x2 Engineers Telecomms scaleup hiring for 1-2 Software ...

machine learning. Can build scalable, re-usable, impactful data science products, usually containing statistical or machine learning algorithms, in collaboration with data engineers and software engineers. Can carry out data analyses to yield actionable business insights. Hands-on experience (typically 5+ years) designing, planning, prototyping, productionizing, maintaining, and documenting … pragmatic mindset. Focus on value delivery and swift execution, while maintaining attention to detail. Experience working closely with other data scientists, data engineers’ software engineers, data managers and business partners. Need candidate with very strong communication skills, (including written ...

office) Tech: C++ and Python An award winning FinTech organisation that allows trading firms to establish their best execution strategies are seeking a Software Engineer to work on the front line of their data acquisition system. This organisation are driving change within the investment management sector … tested systems. Experience of industry-standard development methodologies such as source code control, unit testing and continuous integration. This is an opportunity for a Software Engineer to join an award winning, cutting-edge FinTech where you will have the ability to take real ownership and make a genuine impact ...

About the Role We’re looking for a Founding Software Engineer to join an early-stage AI company and help build a real product used by real customers. You’ll have end-to-end ownership - from shaping ideas and designing solutions to shipping to production and iterating with customer … feedback. You’ll work closely with the CTO/Head of Engineering and be one of the engineers defining the technical bar, culture, and product direction. If you’re a genuine builder who enjoys responsibility, ambiguity, and building things that matter - this role is for you. Team: 6 engineers ...

Role: Software Engineer - Conversational AI (Python) Location: London - Hybrid Compensation: £150,000 - £300,00 We’re working with a AI company delivering AI voice agents to major brands. We need engineers who can move quickly, own production systems, and partner with customers to deliver measurable improvements. Key requirements 2+ ...

Role: Distributed Systems Software Engineer - Up to £190k + Bonus Salary: Up to £190k + Bonus Location: London (Hybrid) Skills: Language agnostic, just need to be a keen technologist (Ideally experienced in Rust, Python or C++) This firm is an elite company with high tech standards who have previously … Erlang), or purpose-built languages similar to OCaml • Building out Machine Learning 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 ...

have strong technical judgment. You can arbitrate technical discussions and make tradeoffs that balance short-term impact and long-term health. You’ve led engineering teams. You’ve managed and grown mid-sized teams (5-10 engineers), and you know how to balance delivery with team wellbeing. You value … tooling, or internal enablement teams. What we are looking for in you Technical leadership: Writing and reviewing production code regularly, contributing to Duffel’s engineering standards and helping the team make well-informed technical decisions. Shaping the roadmap: Collaborating with product managers and designers to define and deliver ...

Senior ETRM Technical (Python) Solutions Consultant – £120-160k Basic Global leading, cloud-native, SaaS based ETRM software business seeks 2 x Senior ETRM Technical (Python) Solutions Consultants/PreSales Consultants to join their European (London) and US businesses (New York City or Houston). Please note that strong … Python skills are essential for this role. The company You’ll join a cutting edge ETRM software business, who provide a full end-to-end ETRM solution competing with Endur, Allegro, RightAngle and other large global ETRM systems, but also providing individual ETRM modules (especially in risk management ...

Aries Global At Aries Global, we’re driven by a singular ambition - to build one of the world’s truly exceptional software groups . A high-performing culture where we’re able to deliver transformative value to our group, and a place where every team member can grow, thrive … while upholding the highest standards of integrity and responsibility. Our mission is simple : we don’t just acquire companies - we build enduring, AI-native software platforms . We partner with founders who have built great products and help them unlock their next chapter through our AI-native operating system ...

operating across all liquid asset classes with a strong, technology-driven and scientific approach to investing. Our client is looking for a Regulatory Technology Software Developer to join their growing Regulatory Reporting function within the Compliance team. This role sits at the intersection of technology, compliance, and the business ...

Lead Software Engineer (TypeScript/React Native) - Fully Remote Our client, a growing company based in London is seeking an experienced Lead Software Engineer to take ownership of the technology stack and guide the engineering team through this next phase of growth. This is a hands ...

progress, findings, and strategic recommendations to both technical and non-technical audiences. Collaboration and Integration Collaborate closely with Waveform Architects, Principal Simulation Engineers, Embedded Software Engineers, and other development teams to ensure seamless integration of developed algorithms into target hardware and software platforms. Actively participate in design reviews ...

Software Engineer in Test (Java backend & APIs) Fintech Trading £70,000 - £90,000 + Bonus + Benefits Hybrid - 3 days/week in Central London Join a collaborative, engineering-led team ensuring the stability and performance of a high-volume, global electronic trading platform. You'll write clean ...

Principal Software Engineer Location: London - 1x a month Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions click apply ...

Software Engineer (Kotlin) £65,000 - £80,000 + bonus + excellent Benefits Hybrid - 2 days onsite in Central London (Zone 1) Are you a JVM engineer curious about Kotlin - or already loving it? Want to solve complex problems that contribute to a greener, more sustainable world? Join a high … calibre engineering team building modern, customer-facing and energy-focused systems in one of the UK's click apply for full job details ...

Junior–Mid Software Engineer Shoreditch | Well-funded startup This one’s for the engineers who know they’re capable of more than their current role is letting them show. We’re working with a small, well-funded startup in Shoreditch who are building something genuinely interesting … looking for a junior – mid level Software Engineer to join the team. You don’t need Ruby on Rails or Postgres experience coming in, they will train you. You do need strong fundamentals, curiosity, and the motivation to get better quickly. The setup You’ll join the engineering ...

Title: Software Engineer Client: Elite Buy-Side Fund Salary: Up to £140,000 + Bonus + Benefits Location: London (Hybrid) The Opportunity: Step into a high-performance role at the intersection of finance and technology. As a software engineer you will develop and optimise critical trading systems, build ...

have a current opportunity for a GenAI Software Engineer/Data Scientist on a contract basis candidates mustbe SC Cleared. The position will be based in London. For further information about this position please apply. Please click here to find out more about our Key Information Documents. Please note ...

Lead Software Engineer (Kotlin) £110,000 - £130,000 + bonus + excellent Benefits Hybrid - 3 days onsite in Central London (Zone 1) Want to manage a team that builds tech accelerating the move to clean, affordable energy? Enjoy being hands-on and thrive in fast-growing, product-led environments … Join a high-calibre engineering team building modern, customer-facing and energy-focused systems in click apply for full job details ...