226 to 250 of 379 Senior Developer Jobs in London

Senior Ruby Developer - Up to £100,000 - SaaS Salary: Paying £70,000 - £100,000 depending on experience Location: Hybrid working in Central London Office Tech Stack: Ruby on Rails, JavaScript, React, AWS👩🏻‍💻 The Company 🚀 I’m working with a scaling SaaS company that’s transforming the way businesses operate within their respective industry. They have a large customer … low attrition across the board. Desired Skills ⚙️ Ruby on Rails JavaScript React AWS Please apply now if you'd be interested in finding out more, moving fast with interviews (Senior Ruby Developer). Senior Ruby Developer - Paying Up to £100,000 - SaaS More ❯

Senior Ruby Developer - Up to £100,000 - SaaS Salary: Paying £70,000 - £100,000 depending on experience Location: Hybrid working in Central London Office Tech Stack: Ruby on Rails, JavaScript, React, AWS👩🏻‍💻 The Company 🚀 I’m working with a scaling SaaS company that’s transforming the way businesses operate within their respective industry. They have a large customer … low attrition across the board. Desired Skills ⚙️ Ruby on Rails JavaScript React AWS Please apply now if you'd be interested in finding out more, moving fast with interviews (Senior Ruby Developer). Senior Ruby Developer - Paying Up to £100,000 - SaaS More ❯

Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base recently and are now actively seeking a Senior Frontend Developer (React). As a Senior Frontend … React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of Engineering. You will be directly responsible for developing and maintaining their frontend application, will also working closely with their designers, product owner and data team. The team are built around working together, collaborating when they can, and encourage sharing … TypeScript, React, Next.js. AWS. Enjoy coming to the office and working in a small team. Vercel deployments from GitHub, with GitHub Actions is a bonus. If you’re a Senior Frontend Developer (React) looking to have an impact in an early-stage start-up, please apply. More ❯

Senior Frontend Developer (React) 2-3 days p/week in London Up to £85k plus equity Would you like the opportunity to join an organisation looking to revolutionise the construction space? They have significantly increased their customer base recently and are now actively seeking a Senior Frontend Developer (React). As a Senior Frontend … React) Developer, you will be responsible for taking their product to the next level, direct reporting to their Head of Engineering. You will be directly responsible for developing and maintaining their frontend application, will also working closely with their designers, product owner and data team. The team are built around working together, collaborating when they can, and encourage sharing … TypeScript, React, Next.js. AWS. Enjoy coming to the office and working in a small team. Vercel deployments from GitHub, with GitHub Actions is a bonus. If you’re a Senior Frontend Developer (React) looking to have an impact in an early-stage start-up, please apply. More ❯

Python, FastAPI, Azure Hybrid working in Central London Pays up to £75k + equity Senior Python Developer - Python, FastAPI, Azure, LLMs My client are a high-growth start-up in the EdTech sector, who are leveraging AI on their platform, to deliver highly personalised experiences to their consumers. You'll be joining as the 3rd hire within their … closely with the CTO and other engineers to help scale their platform, and is an ideal role for someone who has demonstrated experience scaling systems in high-growth environments. Senior Python Developer - Python, FastAPI, Azure, LLMs Key skills and experience: Strong skills with Python Demonstrated experience with FastAPI Hands-on experience with Cloud technologies (Azure preferred, but AWS … London with 1-day a week required in their offices, paying £70k-£75k depending on skills and experience along with an equity package. Apply now to register your interest! Senior Python Developer - Python, FastAPI, Azure, LLMs More ❯

Python, FastAPI, Azure Hybrid working in Central London Pays up to £75k + equity Senior Python Developer - Python, FastAPI, Azure, LLMs My client are a high-growth start-up in the EdTech sector, who are leveraging AI on their platform, to deliver highly personalised experiences to their consumers. You'll be joining as the 3rd hire within their … closely with the CTO and other engineers to help scale their platform, and is an ideal role for someone who has demonstrated experience scaling systems in high-growth environments. Senior Python Developer - Python, FastAPI, Azure, LLMs Key skills and experience: Strong skills with Python Demonstrated experience with FastAPI Hands-on experience with Cloud technologies (Azure preferred, but AWS … London with 1-day a week required in their offices, paying £70k-£75k depending on skills and experience along with an equity package. Apply now to register your interest! Senior Python Developer - Python, FastAPI, Azure, LLMs More ❯

Senior Kotlin Developer - Kafka/Kotlin/AWS - London/Hybrid TrinIT Talent are looking for a Senior Kotlin Developer to join our customers team based in London. This is a permanent position paying up to £100,000 depending on experience and will require only a few days a month on site. Key Responsibilities: Architect and … touch by sending your CV in Word format to (see below) TrinIT Talent will consider applications based only on skills and ability and will not discriminate on any grounds. Senior Kotlin Developer - Kafka/Kotlin/AWS - London/Hybrid More ❯

Senior React Developer required for an exciting sports technology start up with a fantastic product based around fan interaction during live sporting events. You will be joining a business who are already at the forefront of their industry and have a small but highly skilled team. The primary skills required are React + Typescript, and if you could … also bring some skills with React Native that would be a huge bonus! In this Senior React Developer/Senior Frontend Developer role we are looking for an experienced Senior Front End Developer to work remotely apart from 1-2 days a month where you would need to come to the London office or … opportunities here and ample chance to learn new skills in a fantastic niche that spans both sports (& esports) technology and broadcasting, as you evolve with the company. Your previous Senior React Developer experience will need to include: 4+ years commercial experience in Front End development, using React + Typescript (+ Webpack) Experience using and consuming REST APIs React More ❯

Senior React Developer required for an exciting sports technology start up with a fantastic product based around fan interaction during live sporting events. You will be joining a business who are already at the forefront of their industry and have a small but highly skilled team. The primary skills required are React + Typescript, and if you could … also bring some skills with React Native that would be a huge bonus! In this Senior React Developer/Senior Frontend Developer role we are looking for an experienced Senior Front End Developer to work remotely apart from 1-2 days a month where you would need to come to the London office or … opportunities here and ample chance to learn new skills in a fantastic niche that spans both sports (& esports) technology and broadcasting, as you evolve with the company. Your previous Senior React Developer experience will need to include: 4+ years commercial experience in Front End development, using React + Typescript (+ Webpack) Experience using and consuming REST APIs React More ❯

Senior Developer - Fully Remote Role - MUST BE SWEDISH SPEAKING They are a industry leading WordPress and WooCommerce digital agency. They are a globally distributed, and are passionate about creating high performance e-commerce and CMS websites for SME and Enterprise clients You will be working for a well established Digital agency who are looking for a Senior Developer to join their growing team. They work with enterprise clients all over Europe across a range of industries including fashion, food, beverages & retail. Our client is looking for; 5+ years experience with Wordpress Reactjs, HTML, CSS Woocommerce Gutenberg Block Development (Essential) Digital Agency Experience would be a massive benefit Must be Swedish Speaking (Essential) Benefits Fully Remote More ❯

Our large, International client is seeking a Senior/Lead Salesforce Developer for an initial 6 month contract (likely to extend), based in West London. This is a hybrid role with 3 days a week onsite, (non-negotiable), starting ASAP. The successful candidate will have 5 years + of in-depth, hands on experience and come from a … strong Salesforce platform & development background. Essential skills include: Salesforce development (Apex, LWC, SOQL), Certifications (PD2, JavaScript Developer 1, Cloud). Ci/CD Tools (Copado or Gearset) Proven leadership and team mentoring skills are a must. Exciting opportunity to work on large scale products, within an international environment. More ❯

Our large, International client is seeking a Senior/Lead Salesforce Developer for an initial 6 month contract (likely to extend), based in West London. This is a hybrid role with 3 days a week onsite, (non-negotiable), starting ASAP. The successful candidate will have 5 years + of in-depth, hands on experience and come from a … strong Salesforce platform & development background. Essential skills include: Salesforce development (Apex, LWC, SOQL), Certifications (PD2, JavaScript Developer 1, Cloud). Ci/CD Tools (Copado or Gearset) Proven leadership and team mentoring skills are a must. Exciting opportunity to work on large scale products, within an international environment. More ❯

Senior Integrations Developer - Hybrid/London - Permanent 60-75k My client, a leader in their field are looking for a Senior Integrations Developer to take full ownership of the integration layer within a high-profile organisation undergoing major transformation. This is a standalone role offering real autonomy, where you'll play a pivotal part in … Additional Info Not a pure dev role - a mix of development, support, and continuous improvement Opportunity to own the integration stack and shape future architecture If you are a Senior Integrations Developer looking for a new opportunity please do get in touch for a confidential discussion. Senior Integrations Developer - Hybrid/London - Permanent 60-75k More ❯

Senior Openlink Endur Developer - Energy Trading - London - up to £220k comp A leading Energy trading company is hiring a Senior Openlink Endur Developer to join their technology team in London. This is a high-impact role supporting critical front-to-back energy trading systems across power, gas, and renewables markets. You’ll be working in a … modern, international environment with a mission-driven organisation that’s actively driving the energy transition, including cutting-edge work in PPAs and energy products. The Role: As a senior developer, you’ll be responsible for enhancing, maintaining, and customising the Endur platform. This includes technical delivery across key projects, working on performance optimisation, system integration, and mentoring junior More ❯

Senior Openlink Endur Developer - Energy Trading - London - up to £220k comp A leading Energy trading company is hiring a Senior Openlink Endur Developer to join their technology team in London. This is a high-impact role supporting critical front-to-back energy trading systems across power, gas, and renewables markets. You’ll be working in a … modern, international environment with a mission-driven organisation that’s actively driving the energy transition, including cutting-edge work in PPAs and energy products. The Role: As a senior developer, you’ll be responsible for enhancing, maintaining, and customising the Endur platform. This includes technical delivery across key projects, working on performance optimisation, system integration, and mentoring junior More ❯

Senior Openlink Endur Developer - Energy Trading - London - up to £220k comp A leading Energy trading company is hiring a Senior Openlink Endur Developer to join their technology team in London. This is a high-impact role supporting critical front-to-back energy trading systems across power, gas, and renewables markets. You’ll be working in a … modern, international environment with a mission-driven organisation that’s actively driving the energy transition, including cutting-edge work in PPAs and energy products. The Role: As a senior developer, you’ll be responsible for enhancing, maintaining, and customising the Endur platform. This includes technical delivery across key projects, working on performance optimisation, system integration, and mentoring junior More ❯

Senior Risk IT Developer - Commodity Trading - London - Full Time Permanent We’re partnering with a global leader in commodity trading, to find an exceptional Senior Risk IT Developer for their Risk IT team. This is a rare opportunity to help architect a next-generation, cloud-native risk platform from the ground up, with a focus on More ❯

Senior Risk IT Developer - Commodity Trading - London - Full Time Permanent We’re partnering with a global leader in commodity trading, to find an exceptional Senior Risk IT Developer for their Risk IT team. This is a rare opportunity to help architect a next-generation, cloud-native risk platform from the ground up, with a focus on More ❯

Senior iOS Engineer (SDK & App) Hybrid – 1 day/week in Central London | UK-based | Permanent Are you an experienced iOS developer passionate about building scalable apps and SDKs that truly make a difference? A fast-growing, well-funded tech company in Fintech space is looking for a Senior iOS Engineer to join their high-impact mobile More ❯

Senior iOS Engineer (SDK & App) Hybrid – 1 day/week in Central London | UK-based | Permanent Are you an experienced iOS developer passionate about building scalable apps and SDKs that truly make a difference? A fast-growing, well-funded tech company in Fintech space is looking for a Senior iOS Engineer to join their high-impact mobile More ❯

Senior iOS Engineer (SDK & App) Hybrid – 1 day/week in Central London | UK-based | Permanent Are you an experienced iOS developer passionate about building scalable apps and SDKs that truly make a difference? A fast-growing, well-funded tech company in Fintech space is looking for a Senior iOS Engineer to join their high-impact mobile More ❯

Senior Salesforce Developer – Permanent - Up to £70,000 + benefits Remote in the UK – once a month travel to Farnborough or London My client is a an extremely successful SAAS scale up that are looking for a talented Senior Salesforce Developer to join their growing team, focusing on the development and evolution of key operational systems … Contribute to the entire development pipeline, from coding to production. Drive continuous improvement in performance, code quality, and team knowledge sharing. What are we looking for? Experienced Salesforce application developer with a strong engineering background. Extensive Salesforce development experience, particularly with Marketing Cloud, Lightning Platform, and associated technologies (Pardot, JavaScript, Apex). Familiarity with the Salesforce ecosystem and integration More ❯

Senior Salesforce Developer | SaaS House £75,000 per annum + 10% bonus + private health insurance 3 days a week in the office (non-negotiable; Central London ) SUPER cool client I'm working with a well-established SaaS house that is the Google and Amazon of their market niche and has grown steadily over the past five years. … Join a growing technology function where innovation, problem-solving, and collaboration are at the heart of everything. They're looking for a Senior Salesforce Developer to come in and work alongside another senior to drive the platform forward, try out new tooling, build new POCs and the super cool thing that you'll be working with due … in a simplistic manner Passionate about staying up to date with Salesforce platform developments. This role does not accept applicants outside of the UK, nor does it offer sponsorship Senior Salesforce Developer | SaaS House More ❯

Senior Salesforce Developer | SaaS House £75,000 per annum + 10% bonus + private health insurance 3 days a week in the office (non-negotiable; Central London ) SUPER cool client I'm working with a well-established SaaS house that is the Google and Amazon of their market niche and has grown steadily over the past five years. … Join a growing technology function where innovation, problem-solving, and collaboration are at the heart of everything. They're looking for a Senior Salesforce Developer to come in and work alongside another senior to drive the platform forward, try out new tooling, build new POCs and the super cool thing that you'll be working with due … in a simplistic manner Passionate about staying up to date with Salesforce platform developments. This role does not accept applicants outside of the UK, nor does it offer sponsorship Senior Salesforce Developer | SaaS House More ❯

Senior Python Developer Permanent £80,000- £90,000 (doe) London – Hybrid Seeking an experienced Senior Python Developer for a Permanent role based in central London.Hybrid working with the expectation of 3 days/week on site in London . Immediate start, ideally Summer 2025. A chance to work with a leading digital transformation business on large More ❯