326 to 350 of 807 Senior Developer Jobs

scalability of systems vital for public safety and essential services. 22nd September, 2026 We are looking to recruit an experienced and highly skilled Senior C# Developer to lead the design, development, and optimisation of our mission-critical communication infrastructure. Working alongside other Software application team members, the candidate …/CD) pipelines. Troubleshoot and resolve the most complex technical issues, ensuring maximum system uptime and reliability. Mentor and guide mid-level and senior developers, fostering a culture of technical excellence and innovation. Day to Day: Our customer base includes many different industries and markets around the world. ...

Working alongside a well established company, we are looking for a Senior Software Developer to start as soon as possible. The Role We are seeking senior developers to play a key role in every phase of the product development cycle. In this role, you will: Collaborate ...

Role Overview Multis UK Limited is hiring an experienced Senior Backend Developer to lead the architecture, development, and enhancement of production systems, REST APIs, and online marketplace platforms. The position features flexible work formats (part-time, full-time, or contract) in a fully remote environment, with a strong ...

backend developer who's just as comfortable in a Kubernetes cluster as you are in a PHP codebase, and fancies Friday afternoons off? We're looking for a Senior Backend Developer to join our growing digital team, taking on real ownership of our backend systems ...

Opportunity | Tier 1 Investment Bank | Canary Wharf Overview Our client, a Tier 1 Investment Bank based in Canary Wharf, is seeking an experienced C# Developer to join a strategic application modernisation programme. This role sits within a technology team responsible for evolving critical business applications, supporting a transition from … work across the full software development lifecycle, contributing to the enhancement of existing applications while helping shape the future-state architecture. Key Information Role: Senior C# Developer Location: Canary Wharf, London (Hybrid Working) Contract Length: 6 Months Initial Contract Rate: £416 per day (Inside IR35) Start Date: ASAP ...

values. We put people first. We reach higher. We do the right thing-today and for generations to come. Job Purpose and Impact The Senior Application Developer designs, builds, tests, deploys, and supports backend services and cloud-hosted application components for the DT&D ERP TRM team. … production. Frontend development, analytics, and data-pipeline engineering are supporting concerns rather than the core focus of the role. This is a hands-on senior individual contributor position. The developer works independently on complex assignments, makes sound code-level and component-level decisions, and collaborates with product managers ...

looking for an experienced Senior Angular Developer to join our frontend engineering team. You’ll take ownership of complex features, contribute to technical direction and help build high-quality, scalable applications. This is a senior individual contributor role, focused on developing technical expertise and impact. This ...

## Senior Java Applications DeveloperApply: Hybrid: Belfast United Kingdom: Full time: Posted Today: 261002575**About the team:** **Event Master Central** is Citi’s centralized corporate action event repository and distribution platform that consolidates corporate action announcements and notifications from various vendors with cross-business operational process. As a critical ...

11804HSSNR £55k – 62.5k per year Senior Data & BI Developer 4 days onsite We’re working with an established and growing business that is investing heavily in its data, BI and automation capability . This is an opportunity to join a small, ambitious Data & Insight team at an exciting … development. The team owns the full data journey, ,from extracting information from source systems, through data modelling and integration, to delivering insight directly to senior leaders, operational teams and customers. You’ll have the opportunity to spot relationships and opportunities between different parts of the business that individual departments ...

11804HSSNRSUTCOL £55k - 62.5k per year Senior Data & BI Developer 4 days onsite We’re working with an established and growing business that is investing heavily in its data, BI and automation capability . This is an opportunity to join a small, ambitious Data & Insight team at an exciting … development. The team owns the full data journey, ,from extracting information from source systems, through data modelling and integration, to delivering insight directly to senior leaders, operational teams and customers. You’ll have the opportunity to spot relationships and opportunities between different parts of the business that individual departments ...

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 ...

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. ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 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. ...

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 ...

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 ...

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 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 (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 ...