76 to 100 of 333 Senior Developer Jobs in London

work and life About the Role This is more than just a job, it’s an opportunity to lead, innovate, and grow. As a Senior Software Developer in Test , you’ll: Work with our clients to design, build, and implement cutting-edge automation frameworks and testing solutions. Lead … lookout for passionate, talented individuals who are ready to make an impact. Whether you’re an experienced automation tester or a developer with a flair for QA, we want to hear from you. #J-18808-Ljbffr ...

About the job Senior Quantitative Developer Investment Bank Our client, a well-established investment bank, is looking to recruit a Senior Quantitative Developer in their London office, with hybrid working. The successful candidate will have Haskell programming experience, solid computer science knowledge (algorithms, data structures, complexity … concurrency/parallelism) and demonstrated typed functional programming experience at all levels. The developer will be responsible for architecture design, stakeholder communication, project management, and project and team leadership. Role Responsibilities: Risk modelling to quantify the various kinds of risks faced by the bank Delivery of robust, high-performance ...

clients. We thank you for your interest in joining the Barings team, and invite you to explore our current employment opportunities. Job Title: Senior .NET Developer Business Title: Associate Director Department: Global Technology Department – Investment & Enterprise Technology Location: London, UK Job Summary Barings' Investment & Enterprise Technology team … seeking an experienced Senior .NET Developer with 7+ years of experience to build, enhance, and support enterprise applications. This role requires strong hands-on development in C#, deep SQL expertise focused on troubleshooting and data analysis, and the ability to deliver business-critical insights through Power BI. ...

working with a highly regarded financial services organisation that is investing heavily in its Salesforce platform and looking to add a Senior Salesforce Developer to an established delivery team. This is an opportunity to join a business where Salesforce sits at the heart of key operational processes. … environment rather than a maintenance-focused team, offering meaningful project work, genuine ownership and a clear pathway towards technical leadership. The Role As a Senior Salesforce Developer, you'll work closely with product owners, business stakeholders and technical colleagues to design and deliver high-quality Salesforce solutions. ...

Cerillion in London is seeking a Senior Developer to join our Software Engineering team. You will design, develop, and deliver enhancements to Cerillion’s core BSS/OSS products, mentor juniors, and collaborate with architects and cross-functional teams to ensure robust, scalable systems. The role focuses ...

Fully Remote Senior Full Stack Python Developer (Python, Django, SQL/Postgres, Typescript, ReactJS) - Solo Python Developer Role - Up to £65,000 - Fully Remote (They do have an office based near Gatwick Airport if you want to work from an office) - Open to applicants … delighted to partner with an award-winning legal technology provider who are continuing to grow and looking to add an experienced Fully Remote Senior Full Stack Python Developer to join their dev team as a solo Python Developer. You will have support from an experienced Product team. This ...

Band 7 or would be eligible for inner or outer High Cost Area Supplement due to your base location. Are you a Digital Developer looking to apply your skills in a role that truly makes a difference? NHS Blood and Transplant has an exciting opportunity for Senior Digital … Developer to join our in-house development team in a supportive, inclusive environment where innovation and collaboration are valued. This role offers the chance to work with cutting-edge technologies, contributing to systems that support organ and tissue donation and transplantation across the UK. Youll help modernise legacy systems ...

work within a dynamic, collaborative environment where technology and data-driven insights are used to shape the future of financial markets. As a Senior Quant Developer, you’ll play a key role in building and optimizing trading systems across multiple asset classes — from equities to fixed income … driving them to resolution. Curious, analytical, and always looking for ways to optimize performance and efficiency. What’s Required: Proven experience as a Quant Developer, ideally within equities, fixed income, or futures. Strong Python development skills with a focus on pricing and analytics. Experience with Kafka, Docker and Kubernetes. ...

consultancy passionate about building and delivering transformative digital solutions for a diverse range of Public and Private sector clients. We are recruiting for a Senior Full Stack Kotlin Developer to join our Hippo Herd. We work at the intersection of strategy, design, and technology to solve complex problems … create lasting value. Our collaborative and agile culture empowers our teams to make a genuine impact. As a Senior Full Stack Kotlin Developer, you will play an important role in making Hippo the best Consultancy out there. You will work as part of a multi-disciplinary team combining ...

Senior Dynamics 365 CE Developer, United Kingdom London, United Kingdom | Posted on 10/26/2026 Senior Dynamics 365 CE Developer, United Kingdom Engagement: Day rate contract. Minimum 5 years. Start: November 2026 Location: Hybrid, London, United Kingdom. Days on site agreed for each assignment. … rate: GBP 350 a day. Inside IR35. Language: English. We are seeking a Senior Dynamics 365 CE Developer to build the most complex parts of CE and Dataverse solutions for financial services clients and set the standard for the development team. Key responsibilities Build complex plugins, custom APIs ...

Senior Software Developer (Python, AWS, Terraform) Full-time Join Netcompany in leveraging technological innovations to foster societal transformation. Netcompany was awarded 5th position on the esteemed UK Top 50 Best Places to Work in the Glassdoor Employees’ Choice Awards for 2024. As one of the fastest growing technology ...

Description: Senior ASP.NET Developer We are looking for Full Stack Software Developer to work in our development team. The role involves participation in the full Lifecycle of software development (SDLC) from conception to deployment. This is an excellent opportunity for an individual who is passionate about software ...

more sustainable future. We harness innovative technologies to support science and healthcare to partner for a better world. About the Role As a Senior Salesforce Developer, you will act as a trusted advisor supporting business unit initiatives across the full project lifecycle, from requirements gathering through deployment ...

looking for a Senior .NET Developer to join our team in London, United Kingdom in a hybrid working mode. In this role, you will contribute to building high-quality, scalable software solutions that meet client and regulatory requirements. You will collaborate closely with product owners, architects, and development ...

experienced Senior Salesforce Developer with a passion for building scalable, high-performing, enterprise-grade solutions? We're looking for a talented developer to join us on a 12-month contract and play a key role in the ongoing development and evolution of our Salesforce platform. Working closely … high-quality enterprise solutions. Essential Skills and Experience To succeed in this role, you'll bring at least five years' experience as a Salesforce Developer, with strong hands-on expertise in complex Salesforce development, customisation, cloud solutions and enterprise integrations. You'll demonstrate: Salesforce Development: Deep technical expertise ...

Role: Senior C# .NET Developer Location: London, UK Working Pattern: Hybrid, 3 days per week onsite, Canary Wharf or Liverpool Street Employment Type: Contract Rate: £500 a day Inside IR35 via Umbrella Role Overview We are seeking experienced Senior C# .NET Developers to join a strategic technology ...

Role: Senior C# .NET Developer Location: London, UK Working Pattern: Hybrid, 3 days per week onsite, Canary Wharf or Liverpool Street Employment Type: Contract Rate: £500 a day Inside IR35 via Umbrella Role Overview We are seeking experienced Senior C# .NET Developers to join a strategic technology ...

Senior Salesforce Marketing Cloud Developer Feb 20, 2026 About WPP WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company … most advanced CRM platforms? Then you might be just the one we are looking for! In the role as Salesforce Developer, you are responsible for understanding the technical structure of a project. Your job will be to identify client requirements by researching concept, strategy and target for the project ...

/IBM Planning Analytics Developer (Senior) – 12 Month FTC Location: Hybrid Client: Financial Services Salary: up to £80,000 This role is a 12-month fixed-term contract. The Role This role sits within a high impact finance systems team and will focus on developing and enhancing ...

countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.Job DescriptionWe are looking for a Senior Java Developer with LLM expertise to lead the technical design, development and integration of core banking application systems for a major financial services … will implement solutions designed by the architecture team in Java and Spring Boot, build LLM-powered and agentic features, and shape how the wider developer group adopts AI-assisted engineering.Working Model: This is a hybrid role requiring 2 days per week in a downtown Toronto office.Responsibilities:Lead the design ...

Talan Group is looking for a Senior Developer to join their technology team in Greater London. This role requires expertise in TypeScript and React, where you will design and deliver features across UI and backend services. You will collaborate closely with stakeholders to refine requirements and support live ...

looking for a passionate and experienced Senior Software Developer to join one of our agile squads. In this role, you’ll be hands‐on in designing, building, and enhancing features across the PCI Pal product suite, while also setting the technical standard through mentorship, code reviews, and driving ...

Senior Full Stack Developer (Python & Angular) Emergn is a technology and management consultancy with a mission to set our clients free. No dependency. No short-term fix. Just teaching them the real cure to their problems, so they can stay ahead of their competitors now and forever. … supportive, and genuinely collaborative. Because when you’re trying to change an industry, you need people who have each other’s backs. As a Senior Full Stack Developer (Python & Angular) at Emergn you will work across both the Angular frontend and Python backend, taking ownership of technical decisions ...

Role: Lead Developer Location: Stratford London (3 days a week) Employment: Fulltime Purpose of the role: Lead Developer role for a global organization, responsible for designing, implementing and optimizing Python and cloud based solutions using AWS and PySpark for data intensive and regulatory focused applications. The role requires … building trustworthy systems that help clients meet regulatory obligations and contribute to more transparent and compliant markets. Certifications Required Preferred certifications include AWS Certified Developer Associate or AWS Certified Solutions Architect Associate and a Python programming certification. #J-18808-Ljbffr ...

Senior Dynamics 365 CE Developer, Global (UK and Europe) London, United Kingdom | Posted on 10/26/2026 Senior Dynamics 365 CE Developer, Global (UK and Europe) Engagement: Day rate contract. Minimum 5 years. Start: November 2026 Location: Hybrid, at client locations … Europe, agreed for each assignment. Day rate: GBP 350 a day. Language: English. We are seeking a Senior Dynamics 365 CE Developer to build the most complex parts of CE and Dataverse solutions for financial services clients and set the standard for the development team. Key responsibilities Build ...