1 to 25 of 82 Permanent Senior Software Engineer Jobs in London

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 »

Senior Software Engineer/Developer (C# Artificial Intelligence) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and … progression? As a Senior Software Engineer you will architect and build highly performant and scalable solutions using the Microsoft tech stack and SOLID design principles, collaborating with cross functional Agile project teams in 2 week Sprints, you'll be an advocate of best practice and ensure software … two days in the brand new London offices and flexibility to work from home three days a week. About you: You are an experienced Software Engineer with a strong knowledge of modern best practice You have strong C# backend development skills You have experience or a strong interest more »

Senior Software Engineer/Developer (Golang API) London/WFH to £95k Do you have a deep knowledge of Go/Golang combined with architecture and design skills? You could be progressing your career as a Senior Software Engineer at a start-up payments … technology company that is revolutionising the payments industry to Africa, improving speed, cost and reliability. As a Senior Software Engineer you'll focus on backend system design, event driven architecture and APIs with a focus on scalability and reliability. You'll join a small, collaborative, Agile team … Wharf offices three days a week (also the possibility to be remote in the UK). About you: You're an experience backend focussed Software Engineer with strong commercial Go/Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have more »

Our client, a global platform with over 200,000 users in 170 countries, is seeking a passionate Software Engineer to join our mission to transform government for the 21st century. About the Role: As a Senior Software Engineer, you will play a crucial role in … developing cutting-edge software solutions that drive the mission. Your expertise will be essential in creating innovative APIs and integrating AI tools to enhance our platform and empower governments worldwide. Key Responsibilities: Design, develop, and maintain high-quality software solutions using Typescript, React, and NodeJS. Collaborate with cross … and within budget. Lead technical discussions, mentor team members, and foster a culture of innovation. Stay up-to-date with the latest trends in software engineering and AI. Qualifications: Proven experience as a Senior Software Engineer with a strong portfolio. Expertise in Typescript, React, and NodeJS more »

ready to grow in the right way. If you have been looking for that opportunity to enter a business/tram as a key senior software engineer initially, but have the opportunity ahead of you to move into a lead/head of role - then this is … the one for you!! The Basics: Senior Software Engineer Central London/Hybrid £60,000 - £100,000 (really open-minded depending on experience) Permanent SaaS/FinTech/ML The Tech Stack: Regular Expressions (Regex), SED, PDF Extraction Machine Learning C++ (Ideally) Apply today to avoid missing more »

My client are a leading provider of cutting-edge software and AI solutions. Their mission is to revolutionize industries through advanced technology, utilizing a combination of Java, Kotlin, React, JavaScript, MongoDB, Machine Learning, and Azure cloud services. They are dedicated to pushing the boundaries of what's possible and … delivering impactful solutions to their clients. Position Overview: They are seeking a highly skilled Senior Software Developer to join their talented team. As a Senior Software Developer, you will play a crucial role in designing, developing, and implementing software solutions that leverage the latest technologies … with cross-functional teams to gather and analyse requirements, and translate them into technical specifications and solutions. Design and develop robust, scalable, and efficient software applications using Java, Kotlin, React, JavaScript, MongoDB, and other relevant technologies. Implement machine learning algorithms and integrate AI capabilities into software solutions to more »

Are you an inventive engineer with a passion for revolutionizing FMCG/CPG research? Join a cutting-edge data startup and transform how leading brands collaborate with top retailers. The company is seeking a visionary Founding Engineer to leave a profound impact on its products and growth. About … focus on rapid growth and excellence. It thrives in a fast-paced, dynamic environment where innovation takes center stage. Role Responsibilities: As a Founding Engineer, the chosen candidate will spearhead the development of the enterprise web app, leveraging vast proprietary datasets. They will enjoy unmatched autonomy and play a more »

Seeking an exceptional Software Developer with experience researching, designing and developing Data Streaming and Event-Driven systems in London. Candidates must have direct expertise and a track record in designing and developing sophisticated distributed data-intensive systems. Visa sponsorship and relocation are not available. Compensation: £150k-£200k base salary. … that could be implemented into the stack. Contribute to architectural design. Working on sophisticated real-time data streaming systems at scale. Building relationships with senior business stakeholders directly. Become integral to the firm's future data needs. About the role Design, development, and implementation of Big Data Streaming and more »

be truly cloud-nativeYou will have:- 5+ years of experience in a modern development stack with some significant Golang experience. - Experience in application design, software development, and testing, preferably in an Agile environment. - Experience working with Git on small to medium sized teams. - Experience with open-source frameworks is … a plus - Familiarity with open source and proprietary tech including Kafka, Hashicorp Vault, Terraform, Postgres, MongoDB, Prometheus and others is expected - Experience with Atlassian software development and collaboration tools (JIRA, Confluence, etc.), a plus. more »

squads. Those are newly formed every 3-4 months so that we don't silo anyone into a specific part of the product or software areas.On top of this, each team member spends every 4th or 5th week tackling smaller tasks, ranging from support issues to bug fixing, maintenance more »

Fully home working opportunity with a Leading Semi Conductor firm working on a next generation of Microchip developments and have a long term (2 Years), QDOS assessed OUTSIDE IR35 contract opportunity for an experienced developer to work with them on more »

Role: Senior Software Engineer Salary/Package: £100k-£115k + 10% Bonus + RSUs (Total comp £150k+) Company Sector: SaaS Tech: TypeScript, Node, React, Golang, Kafka, AWS, and Kubernetes (No prior experience welcomed) Location: Central London WFH/Hybrid: 3 days a week on site (non negotiable … exciting times! Our client is a rapidly growing B2B SaaS company with a product used by millions of people globally. We are seeking a Senior Software Engineer to join their innovative team. The ideal candidate will have a strong engineering background, outstanding problem-solving skills, and a … Responsibilities: System Architecture: Design and build scalable architecture patterns to support a rapidly growing global product. End-to-End Development: Contribute to the full software development lifecycle, from concept to deployment. Product Focus: Develop with a product-focused mindset, understanding user needs, and delivering solutions that drive business value. more »

Job Title: Senior Software Engineer Location: London Salary: £100,000 We’re searching for a Senior Software Engineer to play a key role in advancing our technology within one of our clients based in London. This is an opportunity not just to code but … are what will make you stand out. Key Responsibilities: Lead technical projects by applying your expertise in C# and other technologies to develop scalable software solutions. Working with AI and emerging technology in this space. Oversee the design, implementation, and maintenance of high-quality code. Foster a culture of … collaboration and rapid, efficient development. Work with cross-functional teams to streamline the creation and delivery of software solutions. Guide the team on technical projects, making an impact through your expertise. Mentor junior team members and foster a culture of continuous learning and technical growth. Profile: A forward-thinking more »

Job Title: Java Software Engineer (Junior - Mid Level - Senior/Lead) Client: Elite Hyper Scaling AI Startup Salary: £50,000 - £170,000 Base (+ Bonus) Location: London/Hybrid/Remote Options Responsibilities: Our client is looking for an experienced Java Software Engineer to join … that you will be crucial in developing. Our client prides itself on maintaining cutting-edge technology and a progressive work environment. As a Java Software Engineer you will be tasked with designing and developing high-performance applications from scratch, harnessing our clients dedication to upholding the highest tech … standards in industry. Key Requirements: Degree in Computer Science or STEM based subjects from a top university. Strong programming skills as a Java Software Engineer. 4+ years of experience in software engineering or a similar domain. Experience using Core Java (preferable) Experience with concurrency and multi-threading (preferable more »

Senior Full Stack Engineer - Contract - Backend Leaning A bit about us… Ask people where Nando's comes from and you'll get a different answer every time. Portugal? Mexico? The UK? Our story actually starts in Rosettenville, a Portuguese neighbourhood in Johannesburg, South Africa. With stops in Mozambique … all. We've even been recognised as one of the industry leaders by the Financial Times. The Role. We are looking for a Contract Senior Full Stack Engineer (leaning towards the back end). The position is part of our Stock & Supply team, which is currently modernising its … enhance efficiency and reduce manual tasks. System Monitoring and Documentation : Ability to document development phases and monitor systems to ensure high availability and performance. Software Design and Architecture : Strong skills in software design, with an emphasis on building highly available, scalable, and distributed systems. Quality Assurance and Testing more »

Senior Full Stack Engineer - Contract - Frontend Leaning A bit about us… Ask people where Nando's comes from and you'll get a different answer every time. Portugal? Mexico? The UK? Our story actually starts in Rosettenville, a Portuguese neighbourhood in Johannesburg, South Africa. With stops in Mozambique … all. We've even been recognised as one of the industry leaders by the Financial Times. The Role. We are looking for a Contract Senior Full Stack Engineer (leaning towards the Front End). The position is part of our Stock & Supply team, which is currently modernising its more »

relevant work experience in full stack web app development Expertise in their Tech Stack, specifically TypeScrit, JavaScript and Node.js Experience with Agile or Scrum software development methodologies Proven track record of delivering value to customers or users Ability to multi-task, organize, and to work in a team Benefits more »

individuals dedicated to creating cutting-edge solutions that redefine the market landscape. With a strong emphasis on technology and innovation, they're seeking a Senior Java Developer to join their team and contribute to their growth and success. Position Overview: As a Senior Java Developer, you will play … a pivotal role in the development and maintenance of their core software applications. You will work closely with their cross-functional teams to design, implement, and deploy scalable solutions that meet our business requirements. Your expertise in Java development, along with your proficiency in technologies such as AWS, Spring … Responsibilities: Collaborate with product managers, designers, and other stakeholders to translate business requirements into technical solutions. Design and develop high-quality, scalable, and maintainable software applications using Java and related technologies. Architect and implement microservices-based solutions leveraging Spring Boot and AWS services. Write clean, efficient, and well-tested more »

backend architecture. Enhance infrastructure using Terraform and Infrastructure as Code (IaC) principles. Troubleshoot and resolve issues by analyzing logs and exploring data. Ideal Candidate: Senior-level software developer with 6+ years of experience in backend development for large-scale systems using languages such as Go, Java, PHP, Rust more »

Senior Software Engineer X4 Jobs Job Title - Senior Software Engineer Location: London - Hybrid 1 day a week in Office .Net - C# - React - TypeScript - JavaScript - IaC - CI/CD - Azure - Are you a Software Engineer with a passion for green technology? Do you … want to make a tangible impact on renewable energy solutions? My client a leading renewable energy company are hiring 4 Senior Software Engineers. This company is committed to delivering high-quality products that help reduce carbon footprints and promote energy independence. As a key member of their team … Shape the design and architecture of new systems, selecting the best technologies for implementation. Collaborate with your team and stakeholders to deliver high-quality software, engaging in discussions on tooling, architecture, and agile processes. Focus on developing new product features that enhance customer experience and improve the efficiency of more »

Senior Software Engineer | Java or Python & Oracle | London | Up to £90,000 + Bonus | DV Clearance Required MERITUS are working with an expanding national security consultancy looking for experienced senior software engineers to join their London consulting team. There are 2 positions available. If successful more »

Senior Software Engineer Opportunity with a Cutting-Edge Biopharmaceutical Company A leading biopharmaceutical company is seeking a Senior Software Engineer to collaborate with a multidisciplinary team of scientists, data scientists, and software engineers in support of its ambitious internal and partnered drug discovery … programs. The company is using cutting-edge AI to rapidly engineer novel, life-enhancing biotherapeutics. The Senior Software Engineer will play a critical role in building tools and services to automate experiments and process scientific data at scale. Responsibilities Include: Collaborating with Data Scientists to productionize … the company’s AI-driven drug discovery platform. Leading the design and development of software solutions that help laboratory scientists generate high-quality experimental results. Configuring, maintaining, and building integrations for laboratory information management systems. Working closely with lab and data scientists to understand their challenges and offer effective more »

Senior .Net/C# Software Engineer (Automotive Sector) Bromley (2 or 3 days a week in office + ad hoc international travel) £60,000 - £70,000 (DoE) + Package Troi Search are delighted to be working with arguably one of the most exciting and recognised brands in … not just the Automotive industry, but across the globe. We’re teaming with them to find them their newest Senior Software Engineer, to join their small but world class Engineering team, based in the Borough of Bromley (South of London). This team builds and supports a … wide range of applications for the entire brand, and given the sheer precision required for their software, they only hire the best. If you’re skilled across .Net/C# development, have experience spanning real-time environments, HFD (high frequency data) & event-based architectures and message buses (ActiveMQ, RabbitMQ more »

Senior Software Engineer - up to £130,000 + equity - on-site Join a well-established start-up in the London area that is building out an AI platform on a global scale. As a Staff, Lead or Senior Software Engineer, you’ll work in more »

Senior Software Engineer - Kotlin - Hybrid, London Kotlin/Java/Typescript/React Salary £80,000 - 120,000 base + additional package DOE Offices based in Central London - Flexible hybrid working We are partnered with a fast-growing business with expertise in crafting cutting-edge solutions at … the intersection of data, AI, machine learning, data engineering, and software development. On a mission to empower tech companies better understand and connect with their people, customers, and citizens. They specialise in designing and building bespoke data platforms, developing unique software products, and deploying intelligent systems that transform … data into actionable insights. The Role: As a Senior Software Engineer, you will play a key role in developing sophisticated, scalable solutions across the full technology stack, from frontend interfaces and application backends to data pipelines and infrastructure. You'll work closely with internal teams and clients more »