301 to 325 of 760 Permanent Senior Developer Jobs

Senior Cloud-Native Developer - Hybrid London

Location
Greater London, England, United Kingdom
Post Office Ltd in London is seeking a Senior Developer to build, maintain and support internal applications within the Digital & Branch Engineering function. You will deliver new applications and services as trading platforms modernisation progresses, while collaborating with stakeholders to promote best practices and drive innovation. You will … work in a hybrid environment, reporting to the Lead Developer, and contribute to design, testing, release and ongoing support processes with a focus on #J-18808-Ljbffr ...

Senior Consultant - Full-stack Developer - DE - TC - UKI - Belfast

Location
Belfast City District, Northern Ireland, United Kingdom
powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. Senior Full-Stack Developer - Technology Consulting – Belfast In Digital Engineering we shape, concept and build innovative solutions that address the most important issues … growing our Digital Engineering team in Belfast and is expanding our full-stack engineering capability. This is a fantastic opportunity for a highly capable developer who is ready to operate at a senior level, combining hands-on delivery with technical leadership, mentorship, and ownership of complex systems. ...

Senior Full-Stack Developer (Bath Area)

Location
Bath, England, United Kingdom
looking for a Senior Full-Stack Developer to play a pivotal role in leading the design, development, and deployment of complex software solutions. You will architect and maintain data engineering pipelines, backend services, APIs, demonstrate consideration for design and UI/UX when building user interfaces, delivering reliable ...

Senior Java Developer – Microservices & APIs (Hybrid)

Location
Newcastle upon Tyne, England, United Kingdom
CyberNorth is seeking a Senior Java Developer to join our engineering team in Newcastle, contributing to enterprise-scale applications and microservices. You’ll design, develop, test and deploy robust software within Agile delivery squads. The role emphasizes hands-on Java 8+ development, Spring Boot, RESTful APIs and collaboration ...

Senior .NET Developer

Location
London Borough of Southwark, England, United Kingdom
interests of our 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 DeveloperBusiness Title: Associate DirectorDepartment: Global Technology Department – Investment & Enterprise TechnologyLocation: London, UKJob SummaryBarings’ Investment & Enterprise Technology team are 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. The developer will also ...

Senior Optimisation Developer

Location
Cambridge, England, United Kingdom
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Optimisation Developer Location:Cambridge, United Kingdom (Hybrid) Employment Type: Full-time The job We are looking for a Senior Optimisation Developerwith a strong mathematical background and experience in numerical modelling or mathematically ...

Senior Full-Stack Developer – Hybrid, High-Impact SaaS

Location
Metropolitan Borough of Solihull, England, United Kingdom
iKnow Software Ltd is seeking an experienced Full Stack Senior Developer to join our team in Solihull. You will help build, maintain and enhance software used by clients across the UK and increasingly worldwide. You’ll work in a small, friendly team with opportunities to mentor others ...

Senior Web Developer

Location
Birmingham, England, United Kingdom
seeking a Senior Web Developer to design, build and maintain high-quality web applications for our clients and in-house products. You will take ownership of features end-to-end and help shape our engineering standards in a friendly, hybrid team. Responsibilities Develop and maintain web applications using ...

Senior Java Developer - Hybrid Edinburgh (Bonus Included)

Location
City of Edinburgh, Scotland, United Kingdom
Searchability is seeking a Senior Java Developer for Edinburgh, hybrid role. You’ll join a team of Java developers to deliver complex applications, using Java 8+, Spring/Spring Boot, SQL and REST. Security clearance will be required and British Citizenship is necessary to meet client requirements. ...

Senior Software Engineer – Ultra Low Latency Risk Engine Developer

Location
Greater London, England, United Kingdom
Senior Software Engineer – Ultra Low Latency Risk Engine Developer Overview Citi Equities Technology | Equities Electronic Execution (Electronic Trading) Citi's Equities Technology organization is seeking a Senior Software Engineer – Ultra Low Latency Risk Engine Lead Developer to join the Equities Electronic Execution (Electronic Trading) technology team. … maintain tooling for trading platform monitoring, real-time risk/position reconciliation, application recovery, and disaster-recovery/failover for the Risk Engine. Provide senior-level production support escalation for latency and risk-control incidents, including root-cause analysis of performance regressions across application, messaging, OS, and hardware layers. ...

Senior Full-Stack Developer

Location
City Of London, England, United Kingdom
looking for a Senior Full-Stack Developer to play a pivotal role in leading the design, development, and deployment of complex software solutions. You will architect and maintain data engineering pipelines, backend services, APIs, demonstrate consideration for design and UI/UX when building user interfaces, delivering reliable ...

Senior Fullstack Java Developer

Hiring Organisation
Avanti Recruitment
Location
EC1, Farringdon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
Avanti Recruitment is recruiting for a Senior Java Full Stack Developer to join an established, international software company based in Central London. The company develops complex, business-critical enterprise software used by major organisations internationally. Its products support high-volume transactions and essential business operations, giving engineers … software platforms, creating an opportunity to work with modern technologies while improving and extending existing enterprise applications. The position would suit an experienced Java developer who enjoys solving complex technical problems, wants to remain hands-on rather than move into management, and is comfortable working across both backend ...

Remote Senior PHP Backend Developer (CodeIgniter)

Location
Greater London, England, United Kingdom
Senior Backend PHP Developer £500 per day (12 Months+/Option of working from Remote/Outside IR35) Seasoned PHP developer to work on a new Greenfield backend REST API for the transport industry and help implement it. You will be working alongside a Senior ...

Senior Dynamics 365 Finance and Operations Developer, United Kingdom

Location
Greater London, England, United Kingdom
Senior Dynamics 365 Finance and Operations Developer, United Kingdom London, United Kingdom | Posted on 10/27/2026 Senior Dynamics 365 Finance and Operations 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. Day rate: GBP 350 a day. Inside IR35. Language: English. We are seeking a Senior Dynamics 365 F&O Developer to build complex X++ solutions for financial services clients and set the standard for the development team. Key responsibilities Build complex X++ extensions, frameworks ...

Senior ServiceNow Developer / Administrator

Hiring Organisation
Ingenious Fusion Tek
Location
Cincinnati, Ohio, United States
Employment Type
Any
Salary
USD 80 Hourly
Senior ServiceNow Developer/Administrator (ITSM/ITOM) Pay rate: $72 $80/hr on W2 Location: On-Site (Evendale/Cincinnati, OH 5 Days On-Site) Duration: 12 Months Engagement: W2 contract Work authorization: USC, GC only (Defense/Aerospace Site Clearance) Client: Aerospace and defense manufacturer … network and server discovery. What you will bring: - 6+ years of hands-on ServiceNow development experience. - Certified ServiceNow System Administrator (CSA) and Certified Application Developer (CAD). - Deep experience in Business Rules, Client Scripts, UI Actions, Script Includes, and Flow Designer. - Hands-on implementation of Service Portal widgets, IntegrationHub ...

Senior Power Platform Developer

Location
West of England, England, United Kingdom
Introduction An exciting opportunity has arisen for a Senior Power Platform Developer within a busy and successful IT team. The role sits within IT Development, working with business stakeholders and IT teams to deliver enterprise-scale automation and application solutions across the Microsoft Power Platform. This … senior role combining hands‐on technical delivery with leadership, governance and mentoring responsibilities. This is a permanent role based in our Bristol office. Main Responsibilities Lead the design, development, testing and release of complex solutions on the Microsoft Power Platform Work closely with stakeholders across the business to analyse ...

Senior .NET Developer — Trading IT Platform

Location
Greater London, England, United Kingdom
Trading Ltd is seeking a Senior .NET Developer to design, build, and maintain multi-asset class applications. The role focuses on Angular front-end (React acceptable) with C# .NET Core backend, Web API, and strong UX considerations. You will collaborate with IT and business teams, contributing to architecture ...

Senior Infrastructure Developer

Location
England, United Kingdom
many of our employees stay with us long term. Due to an internal promotion, we now have a vacancy for a Senior Infrastructure Developer to join our amazing Infrastructure team so, if you’re experienced in backend development, cloud infrastructure and driving secure, scalable and high performing platform ...

Senior Web Developer ABZ-HR050

Location
Aberdeen City, Scotland, United Kingdom
ideas are valued. Long-Term Opportunities: Build a lasting career with us, supported by ongoing opportunities for growth and progression. Job Description The Senior Web Developer will be responsible for: Day-to-day coding and development activities. Relevant Unit Testing using various Unit Testing tools, as applicable ...

Senior Software Developer (Microservices - GoLang)

Location
United Kingdom
secret weapon? Our people. It’s the curiosity, dedication, and innovation that drive our success and help us anticipate the future. Job title: Senior Software Developer (Microservices – GoLang) Location: Cambridge (Hybrid, 3 days onsite) Job type: Permanent, full-time About the Role We are seeking a highly motivated … experienced Microservices Developer to join our growing team. You will be responsible for designing, developing, and deploying microservices using GoLang within a cloud-native environment. This role requires a strong understanding of Golang programming language, microservice architecture, containerization, and cloud technologies. You will work closely with other developers ...

Senior Software Developer (Microservices - GoLang)

Location
Cambridge, England, United Kingdom
secret weapon? Our people. It’s the curiosity, dedication, and innovation that drive our success and help us anticipate the future. Job title: Senior Software Developer (Microservices – GoLang) Location: Cambridge (Hybrid, 3 days onsite) Job type: Permanent, full-time About the Role We are seeking a highly motivated … experienced Microservices Developer to join our growing team. You will be responsible for designing, developing, and deploying microservices using GoLang within a cloud-native environment. This role requires a strong understanding of Golang programming language, microservice architecture, containerization, and cloud technologies. You will work closely with other developers ...

Senior Salesforce Developer

Location
Birmingham, England, United Kingdom
student-centred online programs. As part of the SEEK Group, OES benefits from the global reach and expertise of a digital pioneer. The Senior Salesforce Developer role will work closely with key internal stakeholders to drive the successful set up and ongoing maintenance of the Salesforce platform while … platform. Ability to understand and be responsive to customer needs and to advocate for customer success Experience defining and delivering enterprise. Certifications: Salesforce Platform Developer I and preferably Salesforce Platform Developer II Benefits Global organisation focused on growth with lots of opportunities for our employees Engaging & vibrant organisational ...

Senior Developer

Location
Greater London, England, United Kingdom
Summary Tribal are looking for an experienced Snr Backend Developer to come and join the team in London. This person will be experienced in Java and will be working on a large well known automotive brand. Key responsibilities Working closely with the Project Management team to create accurate project … ensure we are delivering our solution in the most effective way. Technical skill requirements A candidate for this role will be a Java developer with 9+ year’s commercial development experience. Proven track record of development experience working on complex technical projects in high-performant delivery environments. Ability ...

Senior Algorithm Developer –Supply Chain Production Scheduling

Location
United Kingdom
deliver correctness, performance, and explainability at scale. Vacancy Status This is an existing job vacancy What you will do As a Senior Algorithm Developer, you will contribute across the full lifecycle of algorithm backed product development, working at the intersection of real-world scheduling problems and enterprise software ...

Senior Dynamics 365 Finance and Operations Developer, Global (UK and Europe)

Location
Greater London, England, United Kingdom
Senior Dynamics 365 Finance and Operations Developer, Global (UK and Europe) Senior Dynamics 365 Finance and Operations Developer, Global (UK and Europe) Engagement: Day rate contract. Minimum 5 years. Start: November 2026 Location: Hybrid, at client locations in the UK and Europe, agreed for each assignment. … rate: GBP 350 a day. Language: English. We are seeking a Senior Dynamics 365 F&O Developer to build complex X++ solutions for financial services clients and set the standard for the development team. Key responsibilities Build complex X++ extensions, frameworks and batch processing. Build integrations through data ...