201 to 225 of 365 Senior Developer Jobs in the UK

Senior Java Engineer - Edinburgh, Hybrid This UK-based space technology business is quietly redefining how mission-critical software is built and used across the space sector. Its platforms support organisations worldwide, from research institutions to commercial operators, helping them design, deploy and operate space systems with greater speed, confidence … companys future Ongoing learning, development and conference opportunities An open, inclusive culture where your work has visible impact The Role: As a Senior Java Engineer, you will help shape complex software products used in real space missions. Youll work on new capabilities as well as established systems, influencing technical ...

Senior Full Stack Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 1-2 days near Liverpool Street Up to £90,000 + bonus + benefits If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this is an opportunity ...

Senior Full Stack Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 1-2 days near Liverpool Street Up to £90,000 + bonus + benefits If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this is an opportunity ...

Title: Senior Java Developer Location: Manchester/Leeds - UK, (60% Hybrid) Pay Rate: Depends on Experience Type & Duration: Contract 12 Months Contract with InsideIR35 Job Description: Key Responsibilities: Join a multidisciplinary Agile team to work on the UK Public sector welfare reform program click apply for full ...

Senior Java Engineer – Microservices Migration (iGaming) Are you a Senior Java Engineer who has led or been deeply involved in moving monolithic platforms to modern microservices architecture? If you enjoy complex systems, large scale integrations and building reliable back ends, this could be a great next step. Package ...

Role: UI developer Type: Permanent Location: London, UK We are a global digital-first technology services firm looking for a Senior UI Developer to join our high-performing team in London. You will be responsible for executing sophisticated visual designs and building complex web applications within ...

Role/Job title: Senior Full Stack Developer Mode of working London- 3 days onsite Type of Employment- Permanent The Role As a Senior Full Stack Developer , you will design and deliver end-to-end application solutions using cloud platforms such as Azure ...

Role/Job title: Senior Full Stack Developer Mode of working London- 3 days onsite Type of Employment- Permanent The Role As a Senior Full Stack Developer , you will design and deliver end-to-end application solutions using cloud platforms such as Azure ...

Role/Job title: Senior Full Stack Developer Mode of working London- 3 days onsite Type of Employment- Permanent The Role As a Senior Full Stack Developer , you will design and deliver end-to-end application solutions using cloud platforms such as Azure ...

Role/Job title: Senior Full Stack Developer Mode of working London- 3 days onsite Type of Employment- Permanent The Role As a Senior Full Stack Developer , you will design and deliver end-to-end application solutions using cloud platforms such as Azure ...

Senior Java Engineer - Edinburgh, Hybrid This UK-based space technology business is quietly redefining how mission-critical software is built and used across the space sector. Its platforms support organisations worldwide, from research institutions to commercial operators, helping them design, deploy and operate space systems with greater speed, confidence ...

Senior Java Engineer (VP) - Investment Banking - Hybrid -2 days/week in Glasgow - Locally based candidates only please. £650 - £750/day (Umbrella rate) in this hands-on role, individual contributor role, you will: Be responsible for the full development lifecycle of a project from design, to release ...

Senior PHP Backend Engineer— High‐Performance FinTech Location: Full Remote Employment: Permanent Salary: £120,000-£130,000 About the company: Join a lean, venture‐backed product team building automation software that eliminates manual back‐office workflows in complex, traditional industries. The platform is scaling fast, and we’re looking … Senior PHP Engineer to take ownership of core backend services and performance‐critical systems. You’ll work closely with product and leadership, shaping the roadmap and shipping features that reach thousands of business users. What you’ll do Architect, build, and evolve robust backend services and APIs ...

Avaloq Developer - Contract £409 PAYE/£543 Umbrella per day Scotland, UK (Remote) 10-month contract Role Overview We're looking for an experienced Avaloq Developer to deliver end-to-end development and configuration within the Avaloq Banking Suite . You'll work closely with business and technical … processes Perform unit testing , defect resolution, and technical documentation Ensure solutions meet regulatory, technical, and quality standards Required Skills Proven experience as an Avaloq Developer Strong knowledge of core banking systems Experience working in regulated financial environments Ability to work independently in a remote contract role Randstad Technologies ...

Permanent Hybrid Senior Full Stack Java developer with SC clearance security clearance needed for a greenfield project Leeds, onsite 2-3 days paying £85,000 to £90,000 plus benefits. The ideal SC Senior Full Stack Java developer will have the following skills and experience. Strong ...

Role: Senior Mobile Applications Developer Clearance: SC required Location: Hybrid - up to 2 days onsite in High Wycombe (as required) Working Pattern: Full-time IR35: Inside IR35 Start Date: ASAP Contract End Date: 27 February 2026 Role Overview: We are looking for an experienced Senior Mobile Applications … Developer to support the ongoing development of existing mobile applications. The role will focus on implementing new features and ensuring applications are updated and compatible with the latest operating system versions. Key Skills & Experience: Strong experience in iOS development using Swift and UIKit Experience with Java Ability to work ...

stronger when we reflect the diversity in the world around us, making us more dynamic, more innovative and more competitive. Position As a Senior Business Central Developer, you will play a vital role in developing & implementing the Business Central ERP platform for the global QBS business … OLAs and provide excellent customer service to internal & external stakeholders Requirements What You'll Bring: At least 8 years experience in a Business Central developer role. Strong experience in troubleshooting issues in Microsoft Business Central. Proficiency in AL programming language with hands-on experience in developing customisations and extensions ...

Avaloq Developer - Contract £409 PAYE/£543 Umbrella per day Scotland, UK (Remote) 10-month contract Role Overview We're looking for an experienced Avaloq Developer to deliver end-to-end development and configuration within the Avaloq Banking Suite click apply for full job details ...

SeniorDeveloper(Node/React) Areyouapragmatic,innovative,andself-motivatedproblemsolverwithapassionforbuildingscalable,high-performingsoftware We'relookingforaSeniorFullStackEngineer,withstrongskillsinNodeandReact,tojoinahigh-performingproductteamworkingonaglobal,high-trafficeCommerceplatformhandlingthousandsoftransactionsdaily. Skills, Experience, Qualifications, If you have the right match for this opportunity, then make sure to apply today. You'llplayakeyroleindesigninganddevelopingend-to-endsolutions,collaboratingcloselywithbothtechnicalandbusinessteamstodelivernewfeaturesthatdrivegrowthandenhancethecustomerexperience. ...

Role: Senior Mobile Applications Developer Clearance: SC required Location: Hybrid - up to 2 days onsite in High Wycombe (as required) Working Pattern: Full-time IR35: Inside IR35 Start Date: ASAP Contract End Date: 27 February 2026 Role Overview: We are looking for an experienced Senior Mobile Applications … Developer to support the ongoing development of existing mobile applications click apply for full job details ...

Senior Low-Code Engineer, Low-Code Developer, Power Platform, Co-Pilot, Mainly Remote Senior Low Code Developer/Senior Low Code Engineer is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote … Please read in full before applying We need someone with a Microsoft tech-stack background who has experience as a Low-Code Engineer/Developer with Power Platform experience. Knowledge of and exposure to the likes of (not all, but some!) Microsoft Co-Pilot Studio, Azure DevOps, DevSecOps, D365 ...

Senior Low-Code Engineer, Low-Code Developer, Power Platform, Co-Pilot, Mainly Remote Senior Low Code Developer/Senior Low Code Engineer is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote … Please read in full before applying… We need someone with a Microsoft tech-stack background who has experience as a Low-Code Engineer/Developer with Power Platform experience. Knowledge of and exposure to the likes of (not all, but some!) Microsoft Co-Pilot Studio, Azure DevOps, DevSecOps, D365 ...

latency, high-frequency trading platform. You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, you’ll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members of the team, driving ...

latency, high-frequency trading platform . You will use cutting-edge Java programming techniques so experience in this area is essential . As a Senior Developer, youll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members of the team ...

Role/Job title: Senior Full Stack Developer Mode of working London- 3 days onsite Type of Employment- Permanent The Role As a Senior Full Stack Developer , you will design and deliver end-to-end application solutions using cloud platforms such as Azure ...