901 to 925 of 932 Permanent Senior Software Engineer Jobs

About HL and the opportunity. We're building the next generation platform for one of the UK's largest financial services companies, trusted by over 2 million clients and managing c.£150 billion in assets. This is your opportunity to More ❯

Grows own capabilities by pursuing and investing in personal development opportunities and develops the capabilities of direct reports by working within existing development framework; provides specialised training or coaching in area of expertise to others throughout the organisation. Identifies shortcomings More ❯

We are currently partnering with a global technology leader seeking a Senior Java Developer. You will be at the forefront of cutting-edge technology including AI, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable and scalable. As a Senior Java Developer … you will provide technical guidance and mentor a team of developers, fostering technical excellence and delivering high-quality software solutions. Working in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers. Duties : Develop high-quality, performative, and reliable Java applications. Guide and mentor developers such as graduates … and juniors Oversee software architecture, ensuring seamless integration with various platforms. Gather and analyse requirements, refining features and technical solutions. Lead the estimation process and ensure development work is accurately scoped. Debug existing code, maintain system performance, and drive best coding practices. Manage defects and oversee their resolution across the development team. Experience : 5+ years of experience in software More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self-organized … engineering environment. Key Responsibilities: Design and develop software features that are both delightful and essential to users Work closely with Product Management to bring ideas to life Own and lead development on team-owned components and features Innovate within your team and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability More ❯

a data synchronisation layer that will underpin a planned trading platform launch in 2026. The Role: They are forming the first core engineering pod in Belfast starting with a Senior Java Developer who will define technical direction and engineering standards, followed by two mid-level developers. This pod will be responsible for designing and implementing a high-performance exchange … performance for throughput, latency, and reliability in event-driven architectures. Work closely with trading, risk, and operations teams to understand system requirements and deliver high-quality solutions. Contribute to software design standards, code quality practices, and architectural decisions as the hub scales. Ideal Candidate Profile (Initial Senior Developer) Strong back-end development experience Java preferred for the senior … throughput systems is highly desirable. Knowledge of crypto trading, digital assets, or market data feeds is an advantage but not essential. Essential Criteria: 6–10+ years of experience in software engineering, ideally focused on back-end or distributed systems. Strong Computer Science fundamentals and sound software architecture instincts. Hands-on experience building and deploying systems in cloud environments More ❯

Percona takes pride in delivering stable and reliable software to our users. We are looking for a flexible and efficient SDET engineer to join our QA team. In this role, you will support our distributed engineering team by maintaining and improving the quality of our software products as part of the release process and in an ongoing … Done: Solid debugging skills and experience (e.g., analyzing log files, cored dumps, spotting patterns) Familiarity with database internals (replication, optimizer, storage engines) Good knowledge of test methods in agile software development environments Experience with tools for tracking and documenting development processes (git) is an advantage. Solid Linux sysadmin skills (e.g., adding/removing software, enabling/disabling services … Why Percona? At Percona, we believe an open world is a better world. Our mission is to enable everyone to innovate freely, by providing the best open source database software, support, and services. We make databases and applications run better through a unique combination of expertise and open source software built with the community for you. Our technical More ❯

Yaspa is an award-winning fintech that connects identity and money to simplify and accelerate the way we pay. Founded in 2017 by a former Worldpay CTO, Yaspa uses open banking to provide instant bank payments that are faster, more More ❯

Yaspa is an award-winning fintech that connects identity and money to simplify and accelerate the way we pay. Founded in 2017 by a former Worldpay CTO, Yaspa uses open banking to provide instant bank payments that are faster, more More ❯

from design through deployment. Key Responsibilities Design, develop, and maintain backend systems focused on performance, scalability, and security. Understand client and partner needs, translating them into high-quality, innovative software solutions. Contribute to all stages of the SDLC – from requirements analysis to release and post-deployment verification. Collaborate across engineering teams to ensure deliverables are technically accurate, testable, and … time. Lead technical discussions around architecture, tooling, and process improvements. Support deployments to internal test environments and production data centres. Mentor and guide team members, promoting best practices in software delivery. Essential Experience 8+ years’ experience in backend engineering, ideally within a Fintech or high-availability environment. Expert-level Java/J2EE development, including design patterns, OO design, and More ❯

we believe that open source development can transform the semiconductor industry. To help achieve this vision of production-ready, commercial-grade chips and silicon building blocks, we employ a software team with a wide range of skills. Our software engineers work across the full software stack, from firmware and toolchains that interact directly with hardware to cloud … based infrastructure that tests our products at scale. This includes work in areas such as: RISC-V firmware and driver development. Software hardening and security tools. Embedded operating systems (in Rust and C). Compilers, code generators, and linters. Simulators and emulators (e.g., QEMU). Electronic design automation (EDA) tools. Performance and code size analysis. Cloud-based infrastructure (such More ❯

Make a difference and set the Salesforce Software Engineering bar through coaching, code quality and continuous improvement initiatives. Get the satisfaction of seeing your approach being embedded and showing others in the team the way, watch them benefit and thrive from your mentoring. We are transforming our Salesforce product, and you will likely be a Salesforce Certified Administrator (ADM201 More ❯

Make a difference and set the Salesforce Software Engineering bar through coaching, code quality and continuous improvement initiatives. Get the satisfaction of seeing your approach being embedded and showing others in the team the way, watch them benefit and thrive from your mentoring. We are transforming our Salesforce product, and you will likely be a Salesforce Certified Administrator (ADM201 More ❯

to-end delivery of new AI initiatives from idea and architecture through to deployment, monitoring, and optimisation. Introduce new tools, frameworks, and best practices that strengthen the team’s software engineering foundations. Contribute to a culture of continuous learning by mentoring engineers and helping shape the team’s technical direction. Ensure the stability and reliability of key AI platforms … through proactive monitoring, maintenance, and occasional on-call support. What You’ll Need Extensive hands-on experience building and scaling AI-powered backend systems (8+ years in software development, 3+ focused on AI or ML engineering). Expert proficiency in Python, with strong working knowledge of ML libraries and frameworks. Solid background in data architecture, with proven experience across More ❯

to-end delivery of new AI initiatives from idea and architecture through to deployment, monitoring, and optimisation. Introduce new tools, frameworks, and best practices that strengthen the team’s software engineering foundations. Contribute to a culture of continuous learning by mentoring engineers and helping shape the team’s technical direction. Ensure the stability and reliability of key AI platforms … through proactive monitoring, maintenance, and occasional on-call support. What You’ll Need Extensive hands-on experience building and scaling AI-powered backend systems (8+ years in software development, 3+ focused on AI or ML engineering). Expert proficiency in Python, with strong working knowledge of ML libraries and frameworks. Solid background in data architecture, with proven experience across More ❯

Java Full Stack Developer 3 month contract (extensions likely) Farnborough (Hybrid) Inside IR35 Superb Farnborough based client is urgently seeking a Java Developer for an initial 3 month contract, with extension possibilities. Skills needed; Strong hands-on skills in Java More ❯

E-Trading Platform Developer (Contract – London, Hybrid) Day Rate - £550-£600 (Inside IR35) An opportunity for an experienced Java Developer to work on high-performance e-trading systems within Front Office environments. This role focuses on low-latency engineering, JVM More ❯

E-Trading Platform Developer (Contract – London, Hybrid) Day Rate - £550-£600 (Inside IR35) An opportunity for an experienced Java Developer to work on high-performance e-trading systems within Front Office environments. This role focuses on low-latency engineering, JVM More ❯

Vicinity Technologies Limited, a dynamic leader in the UK's 5G and AI revolution, is seeking talented Senior/Principal Wireless Software Engineers to join our team of innovators. As a key contributor, you will play an integral role in developing cutting-edge 5G, 6G and Non-terrestrial Network (NTN) solutions which are transforming the way we connect … and communicate. Job Responsibilities Participate in design and develop 5G/6G TN/NTN and AI signal processing algorithms for communications systems, physical layer software and protocol stack software. Participate in 5G radio equipment and user terminals physical layer solution verification, end-to-end testing, network deployment and field trials. Interface with hardware, software and system engineers … growing company. Benefit from a competitive salary, performance-based bonuses, and a comprehensive benefits package. About Vicinity Founded in 2023, Vicinity develops and deploys advanced base stations, NTN solutions, software-defined terminal solutions and private networks, with global trials already underway. We collaborate with silicon providers, operators, integrators and top research institutes, pushing past 5G into what is next. More ❯

metadata systems to support a growing analytics platform. Offer technical insight and second/third-line support on complex data issues. What You’ll Need 6+ years of professional software engineering experience. Strong programming background in Python or Go, plus another object-oriented language. Proficiency in SQL (both transactional and analytical use cases). Experience working with data lakes More ❯

metadata systems to support a growing analytics platform. Offer technical insight and second/third-line support on complex data issues. What You’ll Need 6+ years of professional software engineering experience. Strong programming background in Python or Go, plus another object-oriented language. Proficiency in SQL (both transactional and analytical use cases). Experience working with data lakes More ❯

Skills & Experience Essential Skills Agile Expertise: Proven experience working in agile environments with Scrum or similar frameworks. Software Engineering: Strong ability to design, build, and test software components. Collaborative Mindset: Experience working within a multidisciplinary team and building relationships with stakeholders. Technical Understanding: Ability to contribute to the definition of requirements and understand the technical implications of your More ❯

Skills & Experience Essential Skills Agile Expertise: Proven experience working in agile environments with Scrum or similar frameworks. Software Engineering: Strong ability to design, build, and test software components. Collaborative Mindset: Experience working within a multidisciplinary team and building relationships with stakeholders. Technical Understanding: Ability to contribute to the definition of requirements and understand the technical implications of your More ❯

Domestic travel required up to 10% for internal meetings and interfacing with product partners. Must have at least six (6) years of experience with the following: C, C++, assembly software fundamentals including algorithm development, code modularity, code maintainability, and data structures knowledge. Significant real-time operating system (RTOS) and multi-threaded experience Experience with FreeRTOS and Zephyr Familiarity with More ❯

in small, agile, multidisciplinary teams (start-up/scale-up a plus) or have a broad range of skills to carry out this role. Comfortable with both hardware and software test problems Languages: C (embedded dev), Python (regression/jig scripting), (PHP/Java/HTML are a bonus) MCUs: SiLabs microcontrollers Test Frameworks: Internal Python-based regression test More ❯

the latest text and voice models, then integrate them at scale with large enterprise-grade customers Your background looks something like this Have 5+ years of industry experience in software engineering Proficiency with Python, Typescript and asynchronous programming A high degree of comfort digging into system failures within deep technology stacks using any tool necessary Even better Prior experience More ❯