1 to 25 of 223 Permanent Software Engineer Jobs in London

Software Engineer | Python Engineer | Backend Engineer | Software Engineer 💰 Up to £70,000 📍 East London (1 day per week) 💻 Python, Django, AWS 🚀 Series B SaaS | AI-Powered Finance Platform We're partnered with a high-growth SaaS business that's transforming how global finance teams … combines automation, machine learning, and AI to eliminate manual finance workflows and save customers significant time and cost. They're now looking for a Software Engineer to join one of their product engineering teams. This is a great opportunity for a mid-level Software Engineer ...

Senior Software Engineer A fantastic opportunity for a Senior Software Engineer to join a world-class technology company developing advanced AI-driven software solutions. Working within an exceptional engineering environment, you will play a key role in designing, building and enhancing highly sophisticated software … London (minimum 2 days per week in the office) Salary: £75,000 - £80,000 per annum + 15% bonus + benefits Requirements for Senior Software Engineer: Strong commercial software engineering experience using Python Experience designing, developing and maintaining production-quality software systems Strong analytical and problem ...

Senior Product Engineer | Senior Software Engineer | Full Stack Engineer | Senior Software Engineer 🌍 Climate Tech Startup Scaling Real-World Carbon Removal 💰 Up to £95,000 + Equity 💻 C#, React, Python, Azure 📍 Hybrid/Flexible | London Waterloo We’re partnered with one of the most interesting … climate tech startups in the UK right now, a company building software and infrastructure to help scale large-scale carbon removal and sustainability initiatives globally. The business is entering a major growth phase and is building out a high-calibre engineering team to support that growth. They’re hiring ...

Software Engineer - Graduates Considered A fantastic opportunity for a graduate or experienced Software Engineer to join a highly innovative technology company at the forefront of advanced AI research and development. Working as part of a world-class engineering team, you will help design and develop cutting … edge software solutions that tackle complex real-world challenges. This role would suit exceptional graduates through to experienced software engineers looking to work on technically challenging projects within a research-driven environment. Location: Cambridge or London (minimum 2 days per week in the office) Salary ...

Software Engineer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native (back end leaning) Why? start-up financial services, revolutionising the industry Day Rate : Inside IR35 £400 Start : ASAP Location : Hybrid - 1-3 days in the office (Central London) Our Client A start-up FinTech is launching credit card … products to consumers. The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Software Engineer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components ...

Lead Software Engineer Salary | Up to £110,000 + Benefits Location | London, UK | Hybrid working We're partnering with a forward-thinking technology business to hire a Lead Software Engineer into a high-calibre engineering function at the intersection of technical delivery and people leadership. … actively embedding AI across its engineering workflows and is building intelligent, autonomous systems that are shaping the future of its domain. As a Lead Software Engineer, you will be responsible for technical excellence, line management, and consistent proactive communication across many stakeholders, clients, and colleagues. You'll have ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 3 days remote and 2 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background, REC Solutions … Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. My client ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity. … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Senior Software Engineer London (Hybrid) £90,000 - £100,000 Here at Data Idols, we're working with an innovative technology business that is scaling a cutting-edge AI-powered platform used by enterprise clients globally. As the platform continues to grow, they're looking for a Senior Software Engineer to play a key role in shaping its future architecture, scalability and technical direction. This is an opportunity to join a high-performing engineering team where you'll have genuine influence over architecture, technology decisions, product direction and engineering standards. The Opportunity As a Senior Software ...

Senior Software Engineer/Developer (C# .Net) *Newcastle onsite* to £130k+ Are you a Senior Software Engineer looking to escape the hustle and bustle of London and relocate to somewhere with stunning scenery and a better quality of life (there's also great restaurants and bars … established Hedge Fund client as a partner, they're creating a finance technology hub bringing a wealth of talent and experience. As a Senior Software Engineer you will collaborate with a small, talented team to deliver the core trading platform within a Microsoft environment using the latest versions ...

Contract C++ Linux Software Engineer 6-month contract for a C++ Linux Software Engineer. Inside IR35, 2 days from home after an initial period getting to grips with the project. Contract Software Engineer essential skills - Strong C++ on Linux Significant embedded software engineer … OpenEmbedded, Bitbake, Makefiles Networking - UDP, TCP/IP, Analysis tools (e.g Wireshark) Linux Kernel and CLI tools BASH scripting Python Real-time multi-threaded software concepts U-Boot Wt web GUI library familiarity ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Position : Contract C++ Linux Software Engineer Location : Near Wimbledon, London ...

Senior Software Engineer £75,000 – £85,000 + Bonus & Benefits Hybrid | Central London (1 day per week) We're working with a scaling, mission-driven consumer app business to find a Senior Software Engineer to join a small, high-ownership engineering team. They're backed … consumer app used by hundreds of thousands of customers globally, and the engineering team deploys multiple times a day. As a Senior Software Engineer, you'll work comfortably across both backend and frontend, with a natural lean towards backend design and architecture. The team values pragmatism over perfection ...

Software Engineer (UX Engineer) Role: full-time, permanent. Office: London, Hybrid working. At CPC Systems, our vision is to be “the best at delivering safe, high-performing infrastructure”. Our people are dedicated to meeting our clients’ needs, unified by a core set of values and behaviours … that bring the right knowledge, experience and a fresh approach to unlocking every project’s full potential. We build software to be used in control rooms to assist the operational running of some of the largest rail operating companies in the UK and overseas. We are currently looking ...

Python Software Engineer/Developer London/WFH to £80k Do you have strong backend Python software development experience? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced cyber … threats, working alongside a team of friendly and supportive people and enjoying a host of perks and benefits. As a Python Software Engineer within the R&D team you'll work on a new Greenfield product to combat the threat of AI based security attacks. You'll work ...

Java Senior Software Engineer : £400 - £650 Inside IR35 : Hybrid London (2 days per week) : Financial Services A financial services business is seeking a Java Senior Software Engineer to join a technology team based in London on a hybrid contract basis. Key requirements: Strong core Java development … standard practice Familiarity with CI/CD pipelines and modern engineering tooling Experience working in Agile delivery teams Key details for a Senior Software Engineer: £400 - £650 per day Inside IR35 2 days onsite per week (London) Financial services background preferred Immediate starters preferred Apply now or reach ...

Software Engineer (C++) - Up to £65,000 - North London Title : Software Engineer Company : High-precision Navigation Location : North London Pay : Up to £65,000 Company : A deeply technical navigation team based in North London are looking for their next C++ Software Engineer to join … Role : Run the entire SDLC for an array of varying projects. On a given project you will be speccing, designing, building and maintaining the software Build mission-critical software in C++ Support the development of junior colleagues Be involved in the ideation for new software within ...

Backend Software Engineer/Developer (Python LLM MLOps) London/WFH to £90k Are you an experienced Backend Software Engineer with strong Python skills and a good knowledge of AI, LLMs and agentic coding? You could be progressing your career at a global finance technology consultancy … your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible holiday scheme Your role: As a Backend Software Engineer you'll design and develop autonomous AI systems integrating multi-modal LLMs (text, image, audio, video), design agentic workflows enabling AI agents ...

Software Engineer (C++) - Up to £65,000 - North London Title : Software Engineer Company : High-precision Navigation Location : North London Pay : Up to £65,000 Company : A deeply technical navigation team based in North London are looking for their next C++ Software Engineer to join ...

this is wrong and we are on a mission to fix it, triggering the future of hardware design. We are creating an entirely new software engine for circuit boards, that takes as inputs the requirements of a circuit board and automatically outputs a complete design, ready for manufacture. … Lead Software Engineer, you’ll create simple and elegant solutions to difficult technical problems that the world has not solved before. You will work in close collaboration with a highly-functioning team of software, electronics, algorithm engineers and product managers. Responsibilities Collaborate with the product team ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like … part of an internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions ...

engineers who are at the frontier - and we support that with the investment to match. The Role AI is not just changing what software can do - it is changing how software gets built. The best engineering organisations in the world are rewriting their operating models around AI native … relationship between engineers and the tools they use. Most enterprises know this matters. Very few know how to make it work. The Forward Deployed Software Engineer at Indicium AI embeds directly with client engineering teams to transform how they build software. You do not wait for a brief. ...

Senior Software Engineer (Python) Hybrid London (2 days/week) Up to £100,000 + Benefits We're hiring a Senior Software Engineer to play a key role in building and scaling a high-impact ad-fraud prevention platform used globally. This is a senior … contribute to strong team practices Collaborate closely with Product, Design, and Data teams What we're looking for: Strong experience as a Senior Software Engineer in modern product teams Proven ability to design and deliver scalable, reliable systems Experience operating production services Strong coding, code review, and technical ...

Software Engineer - National Timing Centre Expiry date:19 Jun 2026 Our world-leading Time & Frequency departmentis seeking a Software Engineer. This is an exceptional opportunity to join the global authority in precision timing at a defining moment for UK digital infrastructure. Backed by agovernment investment … modern society - and you will help ensure they remain secure, reliable and robust even if global navigation satellite systems fail. Key responsibilities: As a Software Engineer , youll collaborate with prominent Scientists and Engineers to develop and implement innovative, production-ready software to time, quality, and cost. Collaborating ...

Senior Software Engineer Salary: Negotiable (Depending on Experience) Location: North London Area Schedule: 3-days on site and 2-days WFH per week The Opportunity We are supporting a globally recognised engineering business at the forefront of advanced radar and surveillance technology in the search for a Senior … Software Engineer. This is an excellent opportunity to play a key role in the development of innovative, high-performance software solutions used within cutting-edge maritime navigation and defence systems. You will take ownership of software design across the full lifecycle, contributing to both new product development ...

Software Engineer - Up to £160,000 - London Title : Software Engineer Company : AI Startup Location : London Pay : Up to £160,000 Additional : Very strong stock options Company : A recently funded AI start up, spun out from an elite academic institution are looking to grow their software … features with direct impact on customer value Work with product and ML teams to help translate abstract and complex concepts into concrete software Own key architectural decisions Continually make incremental improvements to their systems Help the team scale by mentoring junior team members Play a significant role ...