51 to 75 of 391 Senior Developer Jobs in London

Job Title: Senior .NET Developer (12-Month Contract) Location: 100% Remote BRISTOL AREA We are looking for an experienced and talented Senior .NET Developer to join our dynamic development team on a 12-month contract with the potential for extension. As a Senior .NET Developer, you will play a crucial role in creating high … hours, ensuring that service level objectives are met. Maintain a strong focus on quality, reusability, clean architectures, security, and resilience across the full application lifecycle. Collaborate with the Lead Developer, Delivery Manager, and Product Owner to design service improvements and new feature additions. Key Essentials: 3+ years of experience in a senior software development role at the enterprise More ❯

Senior .NET Developer Tech Requirements: NET, React OR Angular, MySQL £60,000-£80,000 Oxford/Remote Harvey Nash have partnered with a global business well established within the online gaming/gambling industry who have ambitious growth plans. The company have a wide array of clients ranging from independent gaming studios to the world’s largest online … casinos delivered into by teams across UK, Canada, South Africa, and China. The successful .NET Developer will be a key player in building two additional online presences to the company’s existing client based, as they look to produce 3 games a month! You will have the opportunity to work on various modern web applications across a variety of … you to expand your leadership capabilities as you progress in the company. The team tend to go into the Oxford office once a month. The essential skillset of the Senior .NET Developer Strong commercial experience working with C#, .NET Knowledge of JavaScript alongside a frontend framework (React OR Angular) An understanding of AWS, APIs, CI/CD would More ❯

Senior Java Developer/Backend Software Engineer London onsite to £160k Are you a Java technologist with strong knowledge of software engineering best practices and backend development experience looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work? You could be joining a scaling Cyber Security technology company … that has just received £100 million investment. As a Senior Java Developer you'll join a small, Agile team using core Java within a TDD environment deploying to AWS. You'll design and develop new features and enhancements across two security product areas, working across the full development lifecycle; you'll be able to input ideas and have … Design Patterns You're collaborative, with Pair Programming experience You enjoy problem solving and are keen to pick up new skills What's in it for you: As a Senior Java Developer/Software Engineer you will earn a highly competitive package including: Salary to £160k 8% pension contribution Life Assurance and Income Protection Enhanced paternity packages Private More ❯

Senior Full Stack Developer | Remote with office visits | Competitive Salary An innovative and internationally successful SaaS company is looking for a Senior Full Stack Developer to join their growing engineering team. You’ll be part of a collaborative, agile team that values clean code, continuous delivery, and user-focused development. The role involves building and enhancing … systems. There is also the opportunity to lead technical initiatives and mentor others. What we're looking for: Typescript proficiency Backend experience with .NET, Java, NodeJS, ExpressJS or NextJS. Senior experience in full-stack development A solid understanding of DevOps. This is a fantastic opportunity to work on impactful digital products using a modern tech stack including TypeScript, NodeJS More ❯

Senior Software Developer - Scala The company This is an unmissable opportunity for a Senior Scala Developer to join one of the biggest names in financial technology. They are an instantly recognisable brand that have been creating cutting edge solutions of all the major exchanges and platforms. They are growing a new team within the firm and … will involve exciting greenfield projects. If you are interested in taking you career to the next level, then read on. This opportunity would suit an experienced Scala developer who is looking to advance their career and collaborate with some of the most talented engineers in London. What you will get Career focused training and mentorship. Pension, insurance and medical More ❯

Senior C# Developer/Software Engineer (C# .Net AWS Python) 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 C# Developer you … a hybrid policy, with 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 Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS … analysis and problem solving skills alongside organisation and planning abilities You have business acumen and advanced communication/stakeholder management skills What's in it for you: As a Senior C# Developer/Software Engineer you will earn a competitive package including: Salary to £100k Bonus (c20%) Pension (5% employer contribution) 25 days holiday (increasing to 27 after More ❯

Senior C# Developer/Software Engineer (C# .Net AWS Python) 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 C# Developer you … a hybrid policy, with 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 Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS … analysis and problem solving skills alongside organisation and planning abilities You have business acumen and advanced communication/stakeholder management skills What's in it for you: As a Senior C# Developer/Software Engineer you will earn a competitive package including: Salary to £100k Bonus (c20%) Pension (5% employer contribution) 25 days holiday (increasing to 27 after More ❯

Senior WordPress Developer PHP - JavaScript - React Predominately remote with occasional visits to London (circa 1 per day month) Circa £90,000 + benefits Permanent A skilled Senior WordPress Developer is sought to join a development team working in a fast paced, high traffic environment. Looking for strong WordPress and all-round engineering experience within enterprise level More ❯

Now Hiring: Senior Java Developer – 12-Month FTC (rolling with years of work available - up to £120k base 📍 Location: London (On-Site 4 days per week) 📅 Initial 12-month fixed-term contract rolling with years of work available Join a world-class trading and technology environment as a Senior Java Developer , working on a greenfield, high More ❯

Now Hiring: Senior Java Developer – 12-Month FTC (rolling with years of work available - up to £120k base 📍 Location: London (On-Site 4 days per week) 📅 Initial 12-month fixed-term contract rolling with years of work available Join a world-class trading and technology environment as a Senior Java Developer , working on a greenfield, high More ❯

Now Hiring: Senior Java Developer – 12-Month FTC (rolling with years of work available - up to £120k base Location: London (On-Site 4 days per week) Initial 12-month fixed-term contract rolling with years of work available Join a world-class trading and technology environment as a Senior Java Developer , working on a greenfield, high More ❯

Senior Software Engineer 4 days a week onsite - London - up to £100k DOE We are looking for a talented Developer to join our client, a leading company focused on delivering high-quality software solutions. This innovative organisation excels in creating effective solutions while navigating the complexities of high-throughput systems. In this role, you will create effective software … to-end, including in production, while demonstrating the ability and willingness to adapt to technical changes. Who We Are Looking For: At least 5 years of experience as a Developer Strong knowledge of modern PHP 8+ (Laravel/Symfony) Proficiency in JavaScript/TypeScript, NestJS and ReactJS Experience building platforms using event-based architecture and CQRS Familiarity with AWS More ❯

Senior Software Engineer 4 days a week onsite - London - up to £100k DOE We are looking for a talented Developer to join our client, a leading company focused on delivering high-quality software solutions. This innovative organisation excels in creating effective solutions while navigating the complexities of high-throughput systems. In this role, you will create effective software … to-end, including in production, while demonstrating the ability and willingness to adapt to technical changes. Who We Are Looking For: At least 5 years of experience as a Developer Strong knowledge of modern PHP 8+ (Laravel/Symfony) Proficiency in JavaScript/TypeScript, NestJS and ReactJS Experience building platforms using event-based architecture and CQRS Familiarity with AWS More ❯

Job Title: Lead Senior Specialist - Back-end .NET Developer - Fully Remote Job Overview: We are seeking a talented Lead Senior Specialist in Back-end .NET Development to join our client's dynamic Agile development team. This role is crucial in shaping strategic product modules, particularly the payroll calculation engine. The ideal candidate will possess a strong technical More ❯

Exciting opportunity for a Senior/Lead Python Developer with a background in Commodities Trading to join this Global Energy Company. This is an exciting time to be joining this world-leading company as they transform themselves from a traditional Oil & Gas company into a leading name within the Renewables sector. This includes the creation of an already More ❯

Exciting opportunity for a Senior/Lead Python Developer with a background in Commodities Trading to join this Global Energy Company. This is an exciting time to be joining this world-leading company as they transform themselves from a traditional Oil & Gas company into a leading name within the Renewables sector. This includes the creation of an already More ❯

offer a hybrid working policy, this role would require onsite visits to our London office around once or twice per month. About the Role We're looking for a Senior Fullstack Developer who can take features from concept to production with confidence. You'll have the real opportunity to own the full development lifecycle. Including planning the technical More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being … in large-scale systems and extensive datasets. Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams. Knowledge and Skills: Demonstrated expertise as a Mid or Senior Software Engineer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools like More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being … in large-scale systems and extensive datasets. * Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams. Knowledge and Skills: * Demonstrated expertise as a Mid or Senior Software Engineer. * Proficiency in Python as your primary language, or willingness to adapt. * Hands-on experience with RESTful APIs and/or GraphQL. * Proficiency in version control tools like More ❯

want to be part of a business that cares too Want to continue to grow professionally and be the best version of yourself Job Description Join us as a Senior Software Engineer in our CTO team, driving innovation in our business-critical engineering projects at Shawbrook, the forefront of fintech banking. You will be working on our Savings Digital … of our technical transformation. Microservices- You will need a good understanding of microservice architecture and how the front end communicates with our back-end architecture. Mentoring & coaching- As a senior engineer, you will be an advocate for best practices and support our more junior engineers in their career development. Additional Information Your Wellbeing - We take your health and well More ❯

want to be part of a business that cares too Want to continue to grow professionally and be the best version of yourself Job Description Join us as a Senior Software Engineer in our CTO team, driving innovation in our business-critical engineering projects at Shawbrook, the forefront of fintech banking. You will be working on our Savings Digital … of our technical transformation. Microservices- You will need a good understanding of microservice architecture and how the front end communicates with our back-end architecture. Mentoring & coaching- As a senior engineer, you will be an advocate for best practices and support our more junior engineers in their career development. Additional Information Your Wellbeing - We take your health and well More ❯

a plus but not required. Comfortable working in a global team with colleagues across APAC, EMEA, and North America. Strong communication skills; able to interface across all levels from senior leadership to engineers and stakeholders. Able to collaborate effectively with people from different cultural and technical backgrounds, aligning tech decisions with business goals. Life @ Empowered to think big. Try More ❯

Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products More ❯

Areti Group is Excited to Announce a Fantastic Opportunity – We’re Hiring 15 Ruby on Rails Tech Leads/Senior Developers! Offices in London, Dorset, Somerset, Bristol - These positions will require you to travel to Dorset or Bristol Once Per Month. Are you a talented Ruby on Rails Senior developer/Tech lead with a passion for More ❯

Senior Front End JavaScript Developer - £65,000 to £85,000 - North London We're hiring a Senior Front-End Developer for a well-established, forward-thinking organisation working on scalable, enterprise-level platforms. This full-time, permanent role offers hybrid working (3 days/week onsite in North London) and a competitive salary with performance-based More ❯