376 to 400 of 761 Permanent Senior Developer Jobs

Senior Software Developer (SC Cleared)

Location
Greater London, England, United Kingdom
work at the forefront of innovation, helping organisations transform and deliver high-quality, scalable solutions that truly matter. Overview We're looking for a Senior Software Developer to move a digital and cyber playbook for councils from its current build to an in-house service. The playbook gives ...

Senior Full Stack Developer

Location
Newcastle upon Tyne, England, United Kingdom
Fantastic opportunity to join a thriving Financial Services business. What is the role? As a Senior Full Stack Developer, you will lead technically complex features, projects and services where requirements, architecture or implementation approaches are uncertain. You will turn ambiguous business problems into reliable technical outcomes across ...

Senior Web Developer — Fintech & Payments Platform

Location
Birmingham, England, United Kingdom
Worldpay (UK) Limited is seeking a Senior Web Developer to advance our TRANSAXpay Web platform. You’ll build consumer-facing pages, merchant APIs, and internal tools, aligning closely with client needs and integration requirements. You’ll bring deep Java/Javascript expertise, Spring Boot, JBoss/JSP/ ...

Senior Information Developer

Hiring Organisation
ARM
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
Overview Are you a can-do, user-focused information developer who wants to work on ground-breaking technology for the world's leading semiconductor IP company? We have an exciting opportunity for you to join our Technical Communications team working with innovative, brand-new CPU technology! As a Senior Information Developer, you will develop customer-facing content in collaboration with Arm's engineering and marketing teams. You will do this by building networks with product teams and by gaining information from our internal sources and your own investigations. You will also be part of a larger community ...

Senior Java Developer - Montreal - Fintech

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Montreal, Wisconsin, United States
Employment Type
Permanent
Salary
USD Annual
York, Barcelona and Montreal, we have a proven track record delivering powerful, elegant and intuitive trading technology solutions. We are now looking for a Senior Java Developer to join our Montreal team on a new exciting project! We are part of the Financial Crime Surveillance domain. ...

Senior Embedded Linux Developer

Location
England, United Kingdom
cellular, survive network/operator failures, securely update themselves, and operate reliably in the field for many years. We are now looking for a Senior Embedded Linux Developer to join our team based in our new office in Theale, near Reading. This role offers hybrid working, typically … days a week in the office. About the job As a Senior Embedded Linux Developer, you will play a key role in developing applications and systems software for our embedded Linux products. You’ll be involved with shaping our solutions and ensuring they support new technologies while remaining ...

Senior Dynamics Developer: Azure & Power Platform

Location
Newport, Wales, United Kingdom
Starrycare Recruitment Services in Newport is seeking a Senior Dynamics Developer to design, develop and maintain enterprise applications using Microsoft Dynamics 365, Power Apps and Azure. You will work in an Agile team delivering secure, scalable digital services. Responsibilities include building and configuring Power Apps (model-driven ...

Senior Salesforce Developer - GTM Tech & Integrations

Location
City of Edinburgh, Scotland, United Kingdom
Trustpilot is seeking a Senior Salesforce Developer to join the Go-to-Market Technology team in Edinburgh. You’ll design, build, and deploy robust Salesforce solutions with Apex, LWC, and integrations across GTM functions. The role emphasizes automation, security, performance, and CI/CD practices, mentoring junior developers ...

Senior Quant Developer - Quant Research & Risk Modeling

Location
Greater London, England, United Kingdom
Blackstone seeks a Senior Quant Developer to join the BXTI Quantitative Research and Development team in London. You will build and implement models across Equity and Fixed Income, working with risk, portfolio, trading and data models. You will collaborate with Quant Analysts, PMs and Risk teams to deliver ...

Senior Python Developer - Build APIs & Async Workflows

Location
Greater London, England, United Kingdom
Emergn seeks a Senior Python Developer to own a business-critical Python platform and help it grow. You will develop backend services and APIs using Python and Flask, and work with MongoDB, Celery, and data tools in a fast-moving, collaborative setting. You’ll join an international team ...

Senior Laravel Developer

Location
United Kingdom
Join Vupax Solutions as a Senior Laravel Developer working on bespoke B2B platforms for UK and international clients. You will own features end-to-end — from technical design through deployment — within agile squads that demo weekly. Requirements 5+ years PHP/Laravel experience Strong MySQL and API design ...

Senior WordPress Developer — Gov Digital with SC Clearance

Location
Greater London, England, United Kingdom
Scrumconnect Consulting in London is seeking a Senior Software Developer to move a councils playbook from WordPress to an in-house service. You will build a secure, accessible, and maintainable product that councils can contribute to after publication. You will own WordPress development (themes/plugins), ensure accessibility ...

Senior Java Developer – Rates Intraday Risk (Hybrid, London)

Location
Greater London, England, United Kingdom
Nomura Holdings, Inc. in London seeks a Senior Java Developer for the Rates Intraday Risk Technology team. You will work with Flow Rates desks and quants to translate complex requirements into robust server-side solutions. The role involves contributing to the architecture refresh and building APIs that provide ...

Senior Full-Stack Developer

Location
United Kingdom
Operating Map of the business, on which we build AI agents and custom applications. Role overview We’re looking for an experienced full-stack developer with deep Python expertise to architect, build and deliver bespoke software for our clients. You’ll own projects across the full development lifecycle, from ...

Senior Software Developer - Back End

Location
Easthampstead, England, United Kingdom
your decisions matter, and Euronet Worldwide (Nasdaq: EEFT) backs us so the problems stay real-scale. About This Role We're hiring a senior back-end engineer who owns real problems end-to-end and shapes how the team builds, from API design and data modeling through to service ...

Senior .NET Core Developer - Hybrid Role in Brighton

Location
Brighton, England, United Kingdom
Stratospherec Limited in Brighton is seeking a Senior Software Developer to join a growing E-commerce software systems team. The role offers hybrid working with a Brighton office presence and flexible remote options, catering to project needs. You will work on .NET Core, C#, SQL, and modern architectures ...

Senior Database and Analytics Developer (Access Mosaic)

Location
Greater London, England, United Kingdom
Senior Database and Analytics Developer (Access Mosaic) Location: Predominantly remote, UK based Rate: £266 per day Contract duration: 22 weeks Start date: 26 October 2026 End date: 28 March 2027 Hours: 37 per week IR35 status: Inside IR35 About the role We are recruiting a Senior Database … Analytics Developer to support a local authority with project delivery during a peak in workload. We are specifically looking for someone with specialist knowledge of The Access Group's Children's Services Mosaic data models and experience using them for data and analytics development for reporting purposes. This expertise ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
We are looking for a talented Python Engineer with hands-on experience building high quality, scalable server less applications. You will work closely with the Lead Engineer to design, build, and enhance the Digital Onboarding ...

Senior Salesforce Industries Developer — Communications Cloud (Hybrid)

Location
Livingston, Scotland, United Kingdom
Senior Salesforce Industries (Communications Cloud) Developer Location: Livingston (Hybrid - 2 days per week onsite) Type: Permanent | Full-Time Are you a Salesforce Industries expert looking to work on complex enterprise transformation programmes? We're seeking an experienced Senior Salesforce Industries Developer to design and deliver innovative ...

Senior Quantitative Developer

Location
London, United Kingdom
client combines global reach with deep markets expertise to help our customers mitigate financial, regulatory, and reputational risk. The Role We are seeking a Senior Quantitative Developer (VP) to take a leading role in designing, building and validating our pricing models. This includes creating financial pricing libraries ...

Senior Quantitative Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
client combines global reach with deep markets expertise to help our customers mitigate financial, regulatory, and reputational risk. The Role We are seeking a Senior Quantitative Developer (VP) to take a leading role in designing, building and validating our pricing models. This includes creating financial pricing libraries ...

Senior Quantitative Developer

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
client combines global reach with deep markets expertise to help our customers mitigate financial, regulatory, and reputational risk. The Role We are seeking a Senior Quantitative Developer (VP) to take a leading role in designing, building and validating our pricing models. This includes creating financial pricing libraries ...

Senior Quant Developer (Python) – Remote Trading Systems

Location
Greater London, England, United Kingdom
Hunter Bond is seeking a Senior Quant Developer to build and optimize cross-asset trading systems. Based in London with remote options, you’ll deliver high-performance Python analytics, pricing models, and real-time risk checks within a production environment. You’ll collaborate with technology and trading teams ...

Senior SQL developer

Hiring Organisation
Candour Solutions Limited
Location
Stoke-on-trent, Staffordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 Annual
looking for an experienced Senior SQL Developer to take ownership of a critical SQL Server environment and play a key role in designing, developing, and optimising database solutions. This is an opportunity for a strong SQL professional to influence technical direction, improve database performance, support business-critical systems ...

Senior Fullstack Developer (Backend First)

Location
Greater London, England, United Kingdom
unified company, we’re combining expertise to offer a full-service, frictionless parking solution for both businesses and consumers. About the role The Senior Fullstack Developer ships high-impact product features across JustPark’s stack, working closely with product, design and other engineers to deliver value tocustomers. ...