1 to 25 of 6,487 Permanent Senior Jobs in the UK

Senior Full Stack Developer page is loaded Senior Full Stack Developer Apply locations London, United Kingdom time type Full time posted on Posted 30+ Days Ago job requisition id R-016026 Main Purpose: This is an exciting opportunity for a highly skilled Senior Full Stack Developer to join our Trading IT organisation as part of our Reference & Master Data system More ❯

The creative mind behind every project. Put your skills to the test to build solutions that continue to shape the world we live in. About Us We are Ascent! and we help our customers solve problems, elevate, and do existing More ❯

Senior Software Engineer Department: 480 - Software Engineering Employment Type: Permanent Location: Belfast Description Arqit is a global cybersecurity company delivering quantum-safe encryption to secure data and communications for enterprises, governments, and critical national infrastructure (CNI). Powered by its advanced symmetric key cryptography, Arqit offers scalable encryption that is resilient to quantum threats, ensuring robust data protection across sectors … comprehensive proposition to identify and mitigate cyber risk exposure from both current and quantum threats. Our combined company now has a new opportunity for a self-motivated and enthusiastic Senior Software Engineer to join our friendly team based in Belfast. We can offer you fun and interesting work in both cloud and on-prem cybersecurity, and we have a great … where no two days are the same. What you'll be doing Developing software for our Encryption Intelligence technology, working under the guidance of our software architects and other senior colleagues. Transforming architectural models into component designs ready to be incrementally developed, tested and deployed. Collaborating closely with our team of software, automation and DevOps engineers to implement, review, test More ❯

technology solutions. We are undergoing a significant transformation, modernizing our core platforms to support high-volume, low-latency transactions and drive business growth. What you will do: As a Senior Engineering Manager within Markets Operations Technology (MOT), you will lead a critical team responsible for the overall transformation and engineering excellence of Citi's Securities Settlements processing technology stack. This … Engineering, Computer Science, or equivalent. Experience: Experience in Capital Markets technology, with a strong focus on Securities Processing (Equities and/or Fixed Income settlements). Experience as a Senior Developer, with hands-on experience building end-to-end solutions. Direct management experience leading development staff in a mid to large-scale bank, providing engineering leadership and guidance. Proven record More ❯

Senior Software Engineer - Global Financial Technology Firm Location: Belfast (Hybrid working) Job Type: Permanent Full-Time Posted by: VANRATH VANRATH is delighted to be recruiting on behalf of a global market infrastructure and trading technology firm for the position of Senior Software Engineer . This role offers an exciting opportunity to work within a collaborative Agile engineering environment, delivering high … strong proficiency in C# or Java, a passion for quality and testing, and a desire to be part of a modern, forward-thinking development culture. The Opportunity As a Senior Engineer, you will join a high-performing technology division within a multinational organisation that powers price discovery, liquidity access, and data distribution across 60+ global offices. Working as part of More ❯

data governance, AI-ML, GenAI/LLM and industry best practices to deliver custom solutions that help organizations optimize their operations, enhance customer experiences, and drive growth. Job role: Senior Software Engineer - PriceFX Implementation Years of Experience - 5 - 8 years Location - Hyderabad, India Job Summary: We are looking for a highly skilled and motivated Senior Engineer with a strong background More ❯

Senior Software Engineer- Energy & Resources Analytics Platform London, United Kingdom req2463 Posted on: 28/05/2025 - Application Deadline: - About Baringa: We aim to build the world's most trusted consulting firm, creating lasting impact for clients and pioneering a positive, people-first culture. We collaborate with a diverse range of clients from FTSE 100 companies to start-ups … Our global hubs are located in Europe, the US, Asia, and Australia, working worldwide to tackle challenges and make an impact. Our Market, Advisory, and Analytics practice seeks experienced Senior Platform Software Engineers to join our team. We are leaders in modelling energy markets, providing insights to drive change in a decarbonising industry. Our work involves varied modelling, data, and … to process improvements as the team matures. Your skills and experience Passionate about creating high-quality, fit-for-purpose systems that enable energy sector insights. Practical experience as a senior engineer in motivated teams, collaborating effectively and taking pride in your work. Strong problem-solving skills, viewing technology as a means to solve challenges. Proficiency in a programming language (e.g. More ❯

Senior Software Engineer - Vice President (Java Focus) ££65,000 - £94,000 GBP Hybrid WORKING Location: Manchester, North West - United Kingdom Type: Permanent Role: Senior Software Engineer - Vice President (Java Focus) Salary: £65,000 - £94,000 Location: Hybrid - Knutsford (near Manchester), 2 days per week onsite (also options for Glasgow campus) Role Type: Permanent Start Date: ASAP About the Opportunity Join More ❯

to own their story and their successes - all our team members are highly valued and important members of our company's journey. Job brief We are looking for a Senior Django Developer who is extremely knowledgeable and a driven individual, you will be a Senior Engineer within a team designing and programming Django-based web applications. You will be a … in an agile environment, with the help of the product management team. Working with internal stakeholders to understand and resolve software problems independently, with minimal supervision Being an effective senior and active team player in a friendly development team, helping others while not afraid to ask for help yourself Requirements 5+ years of relevant work experience Expert in Python 3+ More ❯

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the … development practices. Knowledge of technologies such as microservices, containerisation (Docker, Kubernetes), or serverless architecture. Awareness of principles like well architected and secure by design Desirable Previous experience in a senior engineering role, guiding teams to successful delivery. Proficiency in multiple programming languages Experience in central government advantageous Experience in a consulting environment Skills So ftware Development Expertise in writing clean More ❯

you up for a challenging role where you'll tackle complex problems at a world-class level? If so, we're excited to offer a fantastic opportunity for a Senior Software Developer to join our team at Sunbelt Rentals UK. It's our vision to own the future of rentals and our mission to deliver a world-class experience. As … a Senior Software Developer, you will be responsible for maintaining and developing both internal and customer facing, business critical and innovative applications, in both new and legacy technologies where required, and contribute to the architectural designs where necessary. You will also provide technical support over these applications to ensure any faults are resolved quickly and effectively. As part of the More ❯

Senior Software Engineer - Mobile Testing (iOS or Android) On any given day at Disney Entertainment & ESPN Technology (DE&E Tech), we are reimagining ways to create magical viewing experiences for the world's most beloved stories while also transforming Disney's media business for the future. Whether that is evolving our streaming and digital products in new and immersive ways … test automation and tooling, execution environments, build systems and tooling used across multiple products Contribute to the successful design & implementation of one or more project features with input from senior engineers Check-in valuable, clean code daily that adds new features and capabilities Becoming a member of our Quality Engineering team, increasing quality through innovation, automated test creation, curiosity, and More ❯

a strong code-first, data as a product mindset at all times, where testing and reliability with a keen eye on performance is a non-negotiable. JOB SUMMARY A Senior Data Engineer, has the primary role of designing, building, and maintaining scalable data pipelines and infrastructure to support data-intensive applications and analytics solutions. In this role, you will be … tools that best suit project requirements and architecture goals. Performance Optimization: Optimize software performance, scalability, and efficiency through architectural design decisions and performance tuning. QUALIFICATIONS Proven experience as a Senior Data Engineer, or in a similar role, with hands-on experience building and optimizing data pipelines and infrastructure, and designing data architectures. Proven experience working with Big Data and tools More ❯

competitive environment. Backed by a team of dedicated experts, we aim to deliver excellence in product development, customer satisfaction and innovation. Learn more at . Job summary As a Senior Back-End Developer , you will be a key contributor to the design, development, and maintenance of our back-end infrastructure. You will collaborate closely with front-end developers, DevOps, and More ❯

Job Summary IQGeo is seeking a Senior Software Engineer to support our Web and Mobile Software engineering efforts for domestic and international enterprise customers. This role joins a dynamic team that enjoys working with complex applications and products that utilize software, GIS, engineering, and problem-solving skills. Our flexible scheduling and outstanding benefits support success in a highly creative, innovative More ❯

people all over the world in a wide variety of disciplines. We're always on the lookout for energetic, creative people to join our team. Your New Role The Senior Software Engineer work s with our Global Content Delivery teams to deliver exabytes of content for our brands globally. The S enior Software Engineer has a highly skilled combination of More ❯

Rackspace Technology is a leading provider of expertise and managed services across all the major public and private cloud technologies. We've evolved Fanatical Support to encompass the entire customer journey - providing Fanatical Experience from first consultation to daily operations. More ❯

VANRATH are partnering with a global leader in financial market infrastructure to recruit a Senior Software Engineer to join a high-performing technology team. This is a fantastic opportunity to work on business-critical platforms used by major players in the global finance market. The Role You will be a key part of an Agile, cross-functional team, developing high … users and external clients. You'll contribute across the development lifecycle, with a strong focus on continuous integration, delivery, and improvement. What You'll Do Collaborate with architects and senior engineers to design scalable solutions Take ownership of feature development and drive delivery to completion Mentor junior developers and promote best practices (code reviews, unit testing, etc.) Partner with QA More ❯

rapidly evolving digital landscape. Our clients rely on us to provide end-to-end solutions that improve performance, security, and scalability across their IT infrastructure. Job Summary: As a Senior Database Administrator (DBA) at DXC Technology, you will be responsible for designing, implementing, and maintaining robust database solutions that support enterprise infrastructure services. This role involves working with cloud and … emerging database technologies, and automation tools. Required Qualifications: Bachelors degree in a relevant field (or equivalent experience). Experience in database administration, with at least 3 years in a senior DBA role. Strong expertise in SQL Server, Oracle, PostgreSQL, MySQL, or other enterprise databases. SQL is the main skill set we require. Experience in cloud database platforms (AWS RDS, Azure More ❯

Senior Software Engineer MES Position Overview The Senior Software Engineer MES is responsible for ensuring the stability, reliability, and continuous improvement of Manufacturing Execution Systems. This role focuses on providing expert support, maintenance, and enhancements for MES platforms (Critical Manufacturing & Delmia Apriso), enabling efficient production operations and rapid issue resolution. The ideal candidate combines technical troubleshooting skills with a strong More ❯

Reed.ai is looking for a Senior Developer to join their team in Holborn, London. Overview Join a collaborative, forward-thinking team that values creativity, experimentation, and impact-and help redefine the future of recruitment through intelligent, human-centered technology. We're looking for a talented and experienced Senior Fullstack Developer to play a pivotal role in the development and growth … abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial software development experience, with at least 3 years in a senior or technical lead role. Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL More ❯

Senior Technical Business Analyst -The role Join our Product team as a Senior Technical Business Analyst and help shape the future of global finance. We're on a mission to build the world's leading platform for both crypto and fiat payments and we're looking for a sharp, driven Senior Technical Business Analyst to play a key role in More ❯

Role Title: Senior Backend Software Engineer Duration: contract to run until 29/06/2026 Location: Remote Rate: up to £644 p/d Umbrella inside IR35 Clearance required: UK National only Role purpose/summary The Engineering department is dedicated to delivering high-quality, innovative software solutions that meet the needs of our customers and drive the success … of our organization. We strive to leverage cutting-edge technologies, best practices, and collaborative teamwork to develop scalable, reliable, and user-friendly software products. As a Senior Backend Engineer, you will be responsible for designing, building, and maintaining scalable, high-performance backend systems that power the data collaboration platform. You will work closely with cross-functional teams, including frontend engineers More ❯

Senior Backend Developer Capital Pay Software Solutions Ltd Promoting world class payment solution systems to global audiences Capital Pay Software Solutions Ltd is advancing its capabilities by enhancing its Payment Aggregator Platform. This strategic initiative is crucial to our international operations, designed for optimal flexibility and adaptability across diverse markets. We are seeking highly skilled and motivated professionals to strengthen … developing secure and scalable FinTech solutions, we encourage you to connect with us. Join Capital Pay International in driving innovation in the global payment landscape. We are seeking a Senior Backend Developer with extensive experience in the FinTech industry, specifically in building secure and robust solutions. The ideal candidate will be a technical leader, capable of designing and implementing the More ❯

Senior Backend Developer Capital Pay Software Solutions Ltd Promoting world class payment solution systems to global audiences Capital Pay Software Solutions Ltd is advancing its capabilities by enhancing its Payment Aggregator Platform. This strategic initiative is crucial to our international operations, designed for optimal flexibility and adaptability across diverse markets. We are seeking highly skilled and motivated professionals to strengthen … developing secure and scalable FinTech solutions, we encourage you to connect with us. Join Capital Pay International in driving innovation in the global payment landscape. We are seeking a Senior Backend Developer with extensive experience in the FinTech industry, specifically in building secure and robust solutions. The ideal candidate will be a technical leader, capable of designing and implementing the More ❯