51 to 75 of 167 Senior Software Engineer Jobs in London

Senior & Staff level Full Stack Engineers required on a Permanent basis for a B2B SaaS startup company in London. To date, they've raised 5 million at seed round via some of the top VCs, and are looking towards Series A in the near future, founding team consists of … problems that procurement teams face within large businesses (slow, complicated etc) by providing a solution that automates the whole process for purchasing goods. Role: Senior/Staff level Full Stack Engineer Salary: 90 - 110k (+ equity) Location: Central London (x3 days per week onsite - Tue/Wed/ more »

Senior Front Office, E-Trading Engineer (Java) – Most Profitable Systematic Trading Firm in London (Compensation: Up to £160,000 Base, £250,000 Total Compensation) I’m hiring for one of the most profitable, systematic trading firms per capita in London. Currently have an opening within the market-making … up to cover products such as spot FX, CFDs, and Equity Indices and Commodities. They’re looking for an experienced (10-years +) Java engineer who has the relevant experience to join the very best low latency, optimisation, and performance tuning engineers in London, with the end goal to more »

I am currently working with a very exciting new trading and investment firm who are in stealth mode and looking to hire Senior Software Engineers. They have acquired a record amount of pre-seed funding for their venture and this is the perfect opportunity to join the business more »

to provide peace of mind to the millions with items in their vehicles that are vulnerable to theft. We are seeking a highly motivated Software Engineer to join our dynamic Embedded Software team . As part of our team, you will play a crucial role in designing … developing, and maintaining innovative software that powers IoT security devices and solutions. Our goal is to deliver cutting-edge technology that brings peace of mind to millions. If you are passionate about embedded systems, enjoy solving complex technical challenges, and thrive in a collaborative environment, we encourage you to … apply and be a part of our mission-driven team. Responsibilities: Develop and test software that runs in real-time on-device using Kotlin and other exciting technologies Translate customer requirements and use cases into functional software with performance, quality, and reliability at the forefront Be bold and more »

Senior Java Developer | National Security Consultancy | London | High Level Security Clearance Required | Salary up to £80,000 + £5,000 bonus | Hybrid 2-3 days per week on-site Yolk Recruitment are working with an expanding National Security Consultancy based in London looking for a Java Developer to join … backend applications with responsibilities including: Create and maintain robust, scalable, and high-performance front-end applications using Java. Participate in all stages of the software development lifecycle, including requirements gathering, design, coding, testing, and deployment. Partner with cross-functional teams, including product management, frontend development, and QA, to deliver … superior software solutions. Skills Required: In depth experience designing & building backend applications in Java. Experience developing in a highly Agile/Scrum environment. Familiarity with CICD, containerisation, deployment technologies & cloud platforms (Jenkins, Kubernetes, Docker, AWS). Benefits: Salary up to £85,000 £5,000 clearance bonus Up to more »

We are looking for a Senior Visual SLAM Software Developer to join an exciting AI scale-up. Visual SLAM, C++, and Python skills are needed. This is a hybrid role with every Thursday in Kings Cross, London. On offer is £70-110k + £20-30k equity more »

millions of people love. And we do it all right here at Sky. What you'll do Successful candidate will have a background in software development with deep proficiency in an object orientated language. We primarily utilize python but expect you to be able to read and understand other … languages at a functional level. The ideal Software Developer will have Python Microservices stack experience and the ability to understand communication flows within a distributed system. You are not afraid to dive in and understand the full end to end system that delivers our solutions. Understand the big picture … quality assurance teams by feature handover and bug fixes. What you'll bring: Essential Experience on interacting with networking devices router/switch or software modules designing. Experience in mentoring junior python engineers. Python 3 utilising OOP design with database integration (MySQL, Mongo) direct and/or via ORM more »

will : Work closely with stakeholders and team members to define requirements, iterate quickly, and deliver functionality with high quality. Design and build market data software for new venues, implement new features and improvements to the overall Market Data platform. Automate away mundane tasks. Demonstrate strong ownership of projects throughout more »

house developed platform, upon which their internal users base their Investment decisions. This modern stack platform is developed in an Agile manner, using rapid software engineering practices to continuously deliver value to their business. It is still considered a greenfield build. Key Responsibilities: Work with engineering leads and product more »

Realm are partnered exclusively with one of the hottest London based Fintech start ups, looking for x5 Senior Go Engineers to support their next stage of growth 🚀 Requirements: Proficiency with Go/Golang (Concurrency, Channels, Patterns), High Throughput, Low Latency systems, Multi-cloud, Redis Package: Up to £100k base more »

our tools with a continuous feedback loop Own features from concept all the way through to production Your skills and experience A passion for software engineering for the Web Experience with Ruby on Rails or similar modern MVC web framework Can strike a balance between getting things done and more »

We are seeking an experienced Senior Java Developer with a solid track record in FIX API integration and a strong grasp of modern software containerization and orchestration technologies to join our dynamic team. The ideal candidate will play a pivotal role in the development and integration of our more »

Senior Software Engineer - London, Hybrid - £75k + Bonus Senior Java Developer - FinTech London, St Pauls (2 days per week onsite) Up to £75,000 p.a. + 10-15% bonus Company Overview : Join a leading FinTech here in the heart of Central London, where they're using … modern innovative technology to drive positive social change. If you're an experienced Java Engineer with a passion for making a difference, this could be a good opportunity for you. They're seeking a skilled Java Engineer to help create meaningful solutions using modern Java related technologies such more »

Senior Software Engineer - £110k - Hybrid Working Opportunity for a tech-savvy innovator with a passion for data-driven solutions to join a global data-centric company as a Senior Software Engineer, helping to shape the future of clients' data strategies and engineering practices. They more »

Senior Full Stack Engineer We are working with a great London based startup specializing in advising companies, governments, and NGOs on the transition towards sustainability. They help their clients understand this societal shift, what it means for their organization, and how to position for competitive advantage. They combine … have already built a strong portfolio of clients, primarily large, listed corporates across Europe, Asia, and the US. We are looking for an experienced Senior Software Engineer with a history of delivering large projects within a startup environment. What youll be doing: Their pioneering approach uses a … team in the longer term. Day to day tasks include - Collaborating with adjacent teams and the wider company to design, prioritise, develop, and implement software solutions to address complex business issues. Be productive as an independent contributor, able to make pragmatic decisions about development, quickly grasp the nuances of more »

Senior Software Engineer – Prompting | LLMs | Gen AI £100-£120,000 per annum plus stock options London Python | Gen AI | LLMs | Prompt Engineering Are you a Senior Software Engineer with knowledge of large language models and prompt engineering? Are you passionate about the possibilities of … generative AI and the impact it can make? If so, please read on… Senior Software Engineer – We are working with an exciting, pre-seed funded, AI start-up to hire several Software Engineers who will be using generative AI, large language models (LLMs) and prompting techniques … to revolutionise the software engineering process. The Founders have hugely impressive backgrounds from top tech companies and have successfully scaled multiple start-ups. The product uses generative AI to provide end-to-end automation for everyone involved in the complex product engineering lifecycle. This is more than code generation more »

Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £100,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior Software Engineer with extensive knowledge of building distributed systems … impact on projects? If so... I'm partnered with a very exciting cloud startup who have received record funding and are looking for innovative Senior Software Engineers to join their ambitious team! With a new CTO who has spent much of their career building out a world leading … the-art, Greenfield code which can focus on being the worlds most accountable and sustainable cloud provider🌳 What they're looking for in a Senior Software Engineer: Tech agnostic but preferable experience working with Golang, Rust or C/C++. In-depth knowledge of distributed systems, building more »

Senior Software Engineer (Python/C++) - Data Driven FinTech A leading FinTech requires a Senior Software Engineer to join their dynamic team. As a Senior Software Engineer you will be responsible for analysing complex data sets to drive strategic decision-making … with financial data Strong analytical and problem-solving skills. Excellent communication skills with the ability to present complex data insights to non-technical audiences. Senior Software Engineer (Python/C++) - Data Driven FinTech more »

Senior Full Stack Software Engineer | B-Corp Start-Up | Net-Zero Carbon Up to £110,000 plus stock London – Hybrid (2 days a week in the office) Typescript, Rust & React Senior Full Stack Software Engineer – We are working with an amazing Carbon Neutral, B … Corp certified start-up to find them a Senior Full Stack Software Engineer to join their purposely small, experienced engineering team. They have received over $10m in funding in the last two years and, as reach breakeven in the original market, they have some exciting tech challenges … in scaling their sustainable platform as they look to expand their reach. As a Senior Full Stack Software Engineer in a start-up your role will be multi-faceted: Designing and building new features to improve the lives of everyone who uses the platform, whether it’s more »

Role: Senior Software Engineer (Full Stack) Job Type: Permanent Location: Hybrid (Central London) Ready to utilise your skills in building high quality software solutions capable of operating at enterprise scale? Are you passionate about leveraging your expertise in both front-end and back-end development to … create seamless, user-centric experiences across the entire software stack? Are you looking for an exciting opportunity where you can make a significant impact by delivering cutting-edge solutions that shape the future of technology? Join us as a Senior Software Engineer (Full Stack)! Careers at … an impact that matters, through challenging projects which demand ambitious innovation and thought leadership. Why it will mean more for you: Opportunities : As a senior developer, you'll have the chance to take on leadership roles within projects, guiding junior developers and making critical decisions that shape the direction more »

I am looking for a Senior Software Engineer to join a leading AI cybersecurity startup who recently secured an additional $20 million in Series A funding. This investment will support the continued scaling of their platform, which experienced nearly 5x growth over the past year alone. This … Senior Software Engineer role will pay up to £105,000 (DOE) along with benefits, including career development opportunities, home office budgets, attractive stock options, and hybrid working from central London. You will be instrumental in driving the ongoing growth of their SaaS solution within a full-stack … NoSQL and RDBMS. • Experience working in a product environment. • Bachelor’s or higher in Computer Science, Mathematics, or related field. Apply now for this Senior Software Engineer role or contact Paula Kastrouni @ IC Resources for more details. We have a number of other roles available too. more »

Senior Software Engineer A Global Systematic Trading Firm is looking for a Senior Software Engineer to help build out a next-generation trading systems. You will be involved in mission-critical projects in trade execution, application development and market data feed processing, shaping and … the design and implementation of next-generation trading systems, focusing on trade execution, application development, and market data feed processing. Develop robust, high-performance software solutions in C++ within a Linux environment to support trading operations, ensuring reliability, scalability, and low-latency execution. Take ownership of mission-critical projects … on developing high-performance, low-latency systems for financial trading or related domains. Solid understanding of Linux operating system internals and experience with developing software for Linux platforms. Experience with multi-threaded programming and distributed application architecture. Familiarity with algorithmic trading concepts, electronic trading protocols, market data feeds, and more »

Are you an experienced senior software engineer with a desire to make green & sustainable practices the norm? A London-based company who are a leader in large-scale renewable energy storage solutions have an opportunity for an experienced senior software engineer to join their … growing team. They want to hire someone who approaches software with a curious & positive mentality; the kind of thinking they feel is critical to bring about a much needed change to the green energy sector. A medium sized company themselves, they are partnered with some of the biggest global … energy firms in their journey to bring about a more efficient & cost-effective means to supply green energy to the planet. Their software engineers primarily use: Go/Golang AWS as their chosen cloud service for infrastructure Docker NoSQL Databases (Cassandra & MongoDB) CI/CD If you’re experienced more »

Senior Software Engineer, Connectivity Digital Assets Prime Brokerage (Fintech) Office in London, UK (Remote flexible) A global fintech are currently seeking a talented and experienced Connectivity Software Engineer to join their team and play a crucial role in integrating new digital asset and traditional exchanges … requirements. Monitor exchange API performance and reliability, identify and troubleshoot issues, and implement solutions to optimize trading efficiency. Work closely with internal teams, including software developers, product managers, and compliance officers, to prioritize and deliver integration projects on time and within budget. Knowledge, Skills & Abilities: 7+ years of Finance more »

We are seeking a skilled Senior Software Engineer with expertise in Generative AI and Large Language Models (LLMs) to help grow adoption across our organisation. As part of our AI Platform team, you will play a pivotal role in developing and deploying systems that leverage the power … an agile environment, and have a knack for effective communication and stakeholder management, we’d love to hear from you! As our lead AI Engineer, you will work with the in-house team behind our first wave of AI Assistants and Tools in use across Oxford Economics. Your team … will be part of an established team of customer-focused individuals who are passionate about solving complex problems at scale. Our databanks and modelling software provide clients across the world with advanced economic forecasting technology covering a range of industrial and commercial scenarios. Your team will own and maintain more »