101 to 125 of 132 Senior Developer Jobs in London

PingOne AIC Senior Developer

Hiring Organisation
Intuition IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Design, implement, and manage identity and access management (IAM) solutions using PingOne AIC. Ensure end-to-end secure, scalable, and reliable identity systems integration across cloud, on-premises, and hybrid environments. Key Responsibilities: Platform Setup ...

Senior Front End Developer - Vue/.NET - Law Firm

Hiring Organisation
Lorien
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior Front End Developer - Vue/.NET - Law Firm - 2 days London We're looking for a talented Front End engineer with some full stack .NET experience to join a Global Engineering team in London (hybrid; 2 days in the office per week). The "Full Stack Engineer … stakeholders to refine requirements. Participate in daily stand-ups, sprint planning, and other agile ceremonies. Education, Skills & Experience: Strong experience as a full stack developer but with a deep understanding of modern Front End development best practices and an expert in Vue Extensive experience with JavaScript, TypeScript, and modern ...

Senior Java Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£900.0 - £925 per day + Up to £925pd Umbrella
currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking or commodities - must have. Extensive Kafka experience. ...

Senior Ruby Developer - EU Based

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Contract Senior Ruby Engineer – (EU Remote) 100% Remote (EU-Based Candidates Only) 12-Month Contract We are supporting a leading organisation in the insurance sector as they scale and modernise their cloud-based core platform . They are looking for an experienced Senior Ruby Engineer to join … month contract , working fully remotely from anywhere within the EU . Role Overview You’ll be a senior member of an engineering squad building, enhancing, and optimising a modern cloud-native system used across a major insurance operation. This is a hands-on development role where you’ll contribute ...

Senior Python Developer - Digital Trading Analytics

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 380 - 465 Daily
looking for a Senior Python Developer to design, build, and maintain high-performance, scalable solutions supporting financial market analytics. This is a high-impact role sitting at the intersection of complex data engineering and front-office trading systems. You will play a key role in shaping engineering practices ...

Senior Java Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 900 - 925 Daily
currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking or commodities - must have click apply ...

Senior ServiceNow Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day Up to £750pd Umbrella
currently working with a London-based financial services client who are actively seeking a Senior ServiceNow Developer to work on a business-critical project. What you'll need to succeed : Strong hands-on experience with ServiceNow platform development, including scripting, configuration, and implementation across ITSM, ITOM, CMDB ...

Senior Power Platform Developer

Hiring Organisation
Triad
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000/annum Company benefits
Title: Senior Power Platform Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Up to £65,000 plus excellent company benefits. About Us Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily … unsafe products Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport Role Summary As Triad's Power Platform Developer, you will play a pivotal role in designing, implementing, and maintaining scalable solutions built on the Microsoft Power Platform. You possess a deep understanding ...

Senior Front - End Developer

Hiring Organisation
TQR
Location
London, United Kingdom
Employment Type
Permanent
rapidly growing, UK-based multi-channel retail organisation is seeking an experienced Senior Front-End Developer to join its technology team. This is a hands-on role focused on building and optimising large-scale, customer-facing digital platforms across multiple e-commerce brands. You will play … performance and accessibility, and supporting personalisation initiatives. The role also includes mentoring responsibilities and close collaboration with cross-functional teams. The Role As a Senior Front-End Developer, you will work across multiple websites within a large, enterprise environment, contributing to high-traffic, customer-focused features. Key Responsibilities ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
London Area, United Kingdom
goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role ...

Senior NodeJS developer

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 per day
working with a consultancy who need a senior NodeJS developer with public sector experience to join a project.6 month contractInside IR35Remote £400 per dayAWSTypescriptJavascript- NodejsDocker, EKS (Containerisation), CI/CD, TDDAccessibility (WCAG)Public Sector Experience required ...

Senior Quant Developer : Elite Quant Fund : Python/C++ : £150-200k base plus huge bonus

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
partnering with one of London’s most selective and highest-performing quantitative investment funds to appoint a Senior Quant Developer to their core systematic trading group. This is a confidential mandate for a team renowned for world-class engineering standards, scientific rigour, and a culture built around high … high-performance software development — with code that moves rapidly from prototype to production and directly influences trading performance. The Role As a Quant Developer, you will: Collaborate closely with quant researchers to productionise models and design scalable research/tooling infrastructure Develop high-performance, robust code across Python ...

Senior Python Developer Team Lead

Hiring Organisation
RedTech Recruitment Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
This is a remote position. A fantastic opportunity for a Senior Python Developer to join a UK-based technology organisation working on large-scale, cloud-native platforms within the education sector. Having grown their engineering capability, they are now looking to bring in a hands-on Team Lead ...

Senior Python Quantitative Developer - Hedge Fund - Systematic Futures

Hiring Organisation
Winston Fox
Location
London Area, United Kingdom
Senior Python Quantitative Developer sought by a specialist and multi-award-winning Systematic Hedge Fund in a brand-new Core team designing and implementing a greenfield centralised Python/SQL/Linux/Docker platform for Backtesting, Pricing, Risk and Performance to be used across all Funds … tenure. The firm totals around 150 staff, all of whom are office-based three or more days per week. This is a more technical Senior QD role which will involve collaborating with Quantitative Researchers and Portfolio Managers to architect, design and implement scalable solutions, addressing complex business needs. Primarily ...

Senior Full Stack Developer

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
education – making high-quality, personalised learning accessible to everyone. What was once technologically impossible is now within our grasp. We’re looking for a Senior Full Stack Developer to join our growing development team. What you will do 🚀 Design and implement a new high-scale system for millions ...

Senior Java Kafka Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£700.0 - £750.0 per day + Up to £750pd Umbrella
currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking - Must have. Extensive Kafka experience. Strong experience ...

Senior Fullstack Developer

Hiring Organisation
The Portfolio Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 per annum
looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You’ll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 6-8 years commercial experience with JavaScript or TypeScript ...

Senior Java Kafka Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 750 Daily
currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking - Must have. Extensive Kafka experience click apply ...

Senior Risk Python Developer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£875.0 - £900.0 per day + Up to £900pd Umbrella
currently working with a London-based financial services client who are actively seeking a senior Python developer to work on the development of a business critical application within the risk space. What you'll need to succeed : Extensive Python application development experience within financial services - must have. Strong ...

Senior Front-End Developer; Vue, TypeScript; London WC2; £65k

Hiring Organisation
Langley James Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Front-End Developer to build high-performing Vue and TypeScript applications for a global charitable organisation . This is a chance to lead the development of intuitive digital products that support over 175,000 members worldwide . Why Join Them? Meaningful Tech: Build products that support international communities … viewed as the primary enabler for their mission , and they offer a supportive environment focused on engineering excellence . The Role As the Senior Front-End Developer , you will be the bridge between UX design and high-quality code . You will deliver a data-rich ...

Senior Android developer - London - Perm

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Android Developer Location: Central London (Onsite) Employment Type: Permanent Salary: £50,000 - £70,000 (DOE) Visa Sponsorship: Not available We're working with a growing organisation based in Central London that's looking to hire a Native Android Developer to join their mobile engineering team. This … Participate in code reviews and technical discussions Contribute to improving app performance, stability, and UX Essential Skills & Experience Commercial experience as a Native Android Developer Strong experience with Kotlin (Java experience also beneficial) Solid understanding of Android SDK and modern Android development practices Experience with common Android architectures (MVVM ...

Hedge Fund - Senior C++ Quant Developer - Equities - Linux - Python - Data/Algos/Low latency

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Hedge Fund - Senior C++ Quant Developer - Equities - Linux - Python - Data/Algos/Low latency Hedge Fund background essential C++ (Version 11 upwards), Linux, Python (nice to have). Trading systems experience - ideally experience working in the equities space. Ideally the technical has experience with algo implementation. Quantitative … Developer - Equities Technology We are in search of a Quantitative Developer to join our team who is passionate about designing, architecting, and implementing low latency C++ systems that are not only robust, resilient, and accurate, but also exceptionally fast. Our team works directly with the firm's central ...

Senior Developer

Hiring Organisation
BDO
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Ideas People Trust We're BDO. An accountancy and business advisory firm, providing the advice and solutions entrepreneurial organisations need to navigate today's changing world. We work with the companies that are Britain's ...

Senior Frontend Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £725/day Up to £725pd Umbrella
I am currently working with a London-based financial services client who are actively seeking multiple Frontend Developers for a brand-new business-critical project. What you'll need to succeed Extensive React/Typescript ...

Senior UI/UX Designer & Frontend Developer Mobile, Figma, JavaScript

Hiring Organisation
Smart Sourcer Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Senior UI/UX Designer & Frontend Developer Mobile, Figma, JavaScript, React - Global O utstanding opportunity to join this global enterprise and famous brand within the magic circle of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing ...