1 to 25 of 167 Permanent Senior Developer Jobs in London

Senior .Net Developer/Software Engineer (F# C#) London to £140k+ Do you have expertise with .Net? You could be working on complex and interesting real-time systematic trading systems, with complex problem solving and continual learning and self-development opportunities at a Swiss based Asset Manager that … is expanding its UK presence and tech team. As a Senior .Net Developer you'll be designing and developing new capabilities in trading, data and research, collaborating as part of a small team where your contributions will have a real impact. You'll be using F# within a … Science or other relevant discipline, having gained a 2.1 or above from a top tier university What's in it for you: As a Senior .Net Developer/Software Engineer you will earn a competitive package: Salary to £140k Bonus (c25%), discretionary 26 days holiday (in addition to more »

drive the direction of future product development and collaborate closely together with other leaders in the field. The ideal profiles would be for a senior and a mid-level engineer with a background in distributed systems (Senior - 10-20 years/Mid Level -5-10 years). Work more »

Company description: Senior Power Platform Developer Type: Perm Hours: Full Time Location: London/Bristol (Hybrid or Remote) Are you eager to join a vibrant, fast-paced, and mentally stimulating environment? At ClearCourse, you will have the opportunity to further your skills and career as a Power Platform … innovation. Our missionis to help our customers build great businesses with our industry-specific software and embedded payments solutions. Job description: Job Overview The Senior Power Platform Developer role is responsible for the delivery for all assigned user stories from estimation through code, bug fixing and documentation while … achieving Target Velocity for the Sprint and or other measure of throughput as per the project methodology. The Senior Power Platform Developer works within a delivery team, typically including a mix of Developers, Solution Architects, QA Engineers, Business Analysts, Functional Consultants and Scrum Masters (client-facing Project Manager more »

We are currently recruiting for a Senior Full Stack Developer who can demonstrate strong TypeScript and AWS development expertise. *** Please note that this role is onsite and would require 5 days per week in our London office near Liverpool Street. *** Why do we need Full Stack Developers? Our more »

Azure Senior Developer - (Cloud Native/Azure - C#) - Presales/Design/Architecture/Development - fully remote! Are you a Senior Developer with strong track record of designing and developing Cloud Native solutions, whilst engaging with customers through design workshops and delivering on Azure projects? If … so, this role might be for you! As an Azure Senior Developer, you must have experience of pres... more »

Senior Ruby Developer - Up to £95k - Hybrid Tech Stack: Ruby on Rails, JavaScript, React, TDD Salary: Up to 95k Location: Central London Office Industry: Software Development House Smooth Interview Process !! The Company 🚀 An exciting software development house based in the heart of London are looking for a Senior Ruby Developer to join their ranks. The Role ✨ This elite software house are dedicated to offering a premium service for their clients. The team are very tight and culture is an important factor for them. This enables the team to deliver highly complex solutions for their cliental base … to be client facing right from the offset, which further enhances the individuals development. Desired Skills ⚙️ Ruby on Rails JavaScript React TDD If this Senior Ruby Developer role sounds of interest, please get in touch, actively interviewing!! Senior Ruby Developer - Up to £95k - Hybrid more »

Role: Senior Developer Clearance Level: SC minimum Day Rate: £500 Inside IR35 Location: Croydon, South London (Up to 1 day onsite) Duration: 12 months (possible extension) iO Associates have partnered with a Private Sector consultancy on their search for a Senior Developer to join them on more »

Senior Developer (Data & Analytics) £450-£550 Inside IR35 12 months Hybrid Working - 2 full days a week working in London Talent are seeking a highly skilled Senior Developer with extensive experience in ETL/ELT processes, data warehousing/business intelligence methodologies, and best practices. The … handling big data, cloud technologies, and unstructured data, along with a deep understanding of star schema structure and hybrid data warehouse design. As a Developer your key responsibilities will be: Design, develop, and maintain robust ETL/ELT processes and data pipelines. Implement data warehousing solutions using Kimball and more »

Senior Full Stack Developer (.Net/JavaScript/Azure) About Methods Since our establishment in 1990, Methods has worked with a range of central government departments and agencies to transform the way the public sector operates in the UK. Our mission is to deliver value to our customers … is now building a significant private sector client portfolio. Methods was acquired by the Alten Group in early 2022. Description Methods is seeking a Senior Developer to join our growing software engineering team. As a Senior Developer at Methods you will be expected to work on more »

Senior C++ Developer/Software Engineer London/WFH to £300k+ Are you a C++ technologist with low latency and cryptocurrency exchange experience? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior C++ Developer … Science fundamentals such as OOP, Design Patterns, Data Structures You're collaborative with excellent communication skills What's in it for you: As a Senior C++ Developer/Software Engineer you will earn a competitive package: Salary to £300k Significant Bonus Pension Private Healthcare 25 days holiday Opportunity … to work on Greenfield systems at the cutting Continual learning and development opportunities Apply now to find out more about this Senior C++ Developer/Software Engineer (Template Metaprogramming) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and more »

Position : Senior Developer Location : Bishopsgate, London Employment Type : Contract Inside IR35 Company Overview : Join our client's dynamic team at, a leading firm in the financial services industry. They specialize in providing innovative solutions to the Global Broking Division. Our client's Connectivity Platforms are built using a … blend of in-house and vendor-based software, ensuring top-notch performance and scalability. Role Responsibilities : As a Developer in the Client Facing Technology Team, you will be responsible for working on Client Connectivity Platforms that primarily serve the Global Broking Division. Build client connectivity applications with a focus … Stakeholders. Work in a collaborative environment as part of a close-knit team. Experience/Competences : Essential : Experience with building systems using FIX Protocol. Senior-level experience with Java. Senior-level experience with a scripting language such as JavaScript or Python. Proficiency with version control systems e.g., GitLab more »

Role: Senior Back End Developer (NodeJS/Typescript) 🌍 Location: London/Hybrid (Once a week in the office) 🎹 Industry: Music Tech 💰 Salary: £100,000 + Benefits 🛠 Key Skills: JavaScript/TypeScript, NodeJS, AWS serverless This is an exciting opportunity for a Senior Back End Developer skilled … in NodeJS/Typescript to join a scaling Music-tech company who have exciting growth plans over the next 12 months! As the Senior Back End Developer you will architect and build scalable, and secure API’s supporting the growth whilst having given full autonomy to make decisions … where you see fit. You will be working primarily on the Node.js, AWS-serverless stack, whilst owning platform APIs and database design and security. Senior Back End Developer Responsibilities: Design, architect, and develop scalable, high-performance backend systems using Node.js and related technologies. Build robust and secure RESTful more »

Senior Product Developer Are you an innovative, driven, and passionate product developer with a flair for sports apparel? Do you possess a track record of developing cutting-edge products that resonate with sports enthusiasts? Are you adept at identifying market trends and translating them into successful product … strategies? MacGregor Black is currently collaborating with a leading sporting goods brand in search of a Senior Product Developer . This is a permanent role based in London. Key Responsibilities Spearhead the development of next-generation products, from conceptualisation to market launch, ensuring alignment with brand vision and more »

Senior Python Developer – £100,000 + Benefits– SaaS Platforms – Remote/Hybrid – Flask/FastAPI Explore group have been fortunate enough to partner with a rapidly expanding SaaS business on an exclusive basis. To date, our client has done some very exciting & innovating things, allowing consumers on a … the marketplace & Real Estate world. The Role: Due to international growth with huge plans ahead, my client is now looking to hire an experienced Senior Python Developer to come on board to help drive new and existing builds within a SaaS environment. Requirements: 5+ years’ experience in backend more »

I am working with a Series A Enterprise SaaS company who are currently looking for a developer to join their growing engineering team. This position as a Django focussed Senior Python Developer offers a flexible working arrangement with 1 day in the office for collaboration (London), a … ERP systems to track, monitor and flag anything from fraud detection, over payments, insights with data analysis and more. In this position as the Senior Python Developer, you will be tasked with writing code to manage incoming data, writing Restful APIs to support the front end, manage existing … a small team with direct reports to you, with expansion plans to then be involved in the hiring process. For this position as the Senior Django/Python Developer, I am looking for: Degree in Software Engineering, Computer Science, Mathematics or similar 5+ years of commercial experience with more »

Senior Embedded Developer, C/C++, Hybrid, COR5788 A rare and exciting opportunity has arisen for a Senior Embedded Developer focused on C/C++, to join a pioneering systems engineering company based in North Wales. The Senior Embedded Developer will take on a more »

Source Recruit is delighted to offer an exceptional opportunity for a Data & Analytics Senior Developer to join a reputable public-sector organisation on a high-profile project. This role is ideal for senior professionals with extensive experience in Data and Analytics solution design and implementation using Agile more »

Senior KDB+ Developer Hybrid - 2 days onsite PW Contract - Outside IR35 Hayward Hawk are currently recruiting for a KDB Developer for their global consultancy client. The successful candidate will be responsible for designing, developing, and maintaining KDB databases, as well as creating and optimizing real-time data more »

Role: Senior Java Developer Clearance Level: SC minimum Day Rate: £500 Inside IR35 Location: Croydon, S.London (Up to 1 day onsite) iO Associates have partnered with a Private Sector consultancy on their search for a Senior Java Developer to join them on an immediate basis to more »

Senior Java Developer - FX Trading Hiring at all levels, strong package and flexible salaries. Leading financial trading house who have a vibrant office on Oxford Street and have a flexible hybrid 2-3 days split between office and home are looking for a Senior Java Developer. You … demand tech. Hiring at all levels, strong package and flexible salaries. If this opportunity is of interest, they are interviewing now so please apply! Senior Java Developer - FX Trading more »

Senior Full Stack Developer(Ruby/React) - Hybrid - Up to 95k An exciting boutique software house based in the heart of London are looking for a Senior Full Stack Developer to join their ranks. They someone to come in and open up project streams for the … Client Facing from the get go Tech Stack - Ruby on Rails, JavaScript, React, AWS Actively interviewing, please get in touch ASAP to register interest! Senior Full Stack Developer(Ruby/React) - Hybrid - Up to 95k more »

of expansion. This creates new opportunities for driven and skilled individuals to join one of the fastest-growing consultancies globally. Job Description As a Senior .NET Developer you will be working in a Scrum Team of cross-functional skills in tight collaboration practising Agile. You will be contributing … solutions for our customer and participating in a highly collaborative group of software engineering professional’s. Learning, developing your skills and becoming a rounded Developer in the process. You will develop software to meet our client's user needs using C#/.NET on the Microsoft Azure Cloud, follow … Microsoft Azure environment Create clean, maintainable code and supporting technical documentation Delivery of application development using best practices Qualifications Proven experience as a .NET Developer or Application Developer Familiarity with the ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC)) Knowledge of at more »

Role: Senior Java Developer Work Type: Hybrid (1 day onsite per week in London or Manchester) Contract Duration: 6 months Sector: Public Sector IR35: Inside Interview Process: 2 stage, MS Teams SC CLEARANCE: MUST HOLD ACTIVE SC We are seeking highly skilled Senior Java Developers with tech more »

Senior Backend Developer (Python/Flask) - London/Remote - £75,000🚀 We are exclusively working with our client who are an award winning global consultancy, they are looking to hire a Backend Developer to work within their Digital team. The Digital Team operates like a start-up … using Flask. Their tech stack: ▪ Python 3 (Flask/FastAPI), Golang, Postgres ▪ Docker, Kubernetes ▪ GitHub Enterprise Cloud, Slack, Google Cloud Platform, Datadog Requirements: - Python developer with 5+ years commercial experience - Experience building modern web applications, preference is REST APIs - Fluent in GIT - Comfortable working on the command line They … about offering the best work-life balance along with heavily investing in upskilling, L&D and various other benefits. **Please apply immediately for consideration** Senior Backend Developer (Python/Flask) - London/Remote more »

SC Clearable Senior Pega Systems Developer - 9 months - primarily remote working with approximately 2 days a month in office - £600 - 637 per day OUTSIDE IR35 An opportunity to work as a Senior Pega Systems Developer fora small boutique consultancy that operate in the Defence sector. They … are looking to recruit experienced Senior Pega Developers to join them on fast moving, innovative and influent... more »