26 to 50 of 132 Permanent Principal Software Engineer Jobs

for your next professional adventure? We share your motivation to progress your career and achieve your ambitions – so we want to let you know about the latest Oracle HCM Principal Software Engineer- People Technology- London role. Check out the details for this vacancy, with a world-leading airline company, below: Location : London, waterside (Hybrid) Contract ended … months Hours: Monday to Friday (37.5 hours a week) Rate: £700-800 per day through UMBRELLA (Inside IR35) Job purpose: Join Client People Technology team as a Senior Software Engineer and play a key role in leading engineering across People/HR portfolio. The team manages a large number of People applications, both in-house and SaaS across … delivery and support functions. There are a number of exciting projects for which we require the Senior Software Engineer engagement including an HR transformation. Accountabilities: Leadership & Management: Lead, mentor, and inspire teams of software engineers, fostering a collaborative and high-performance culture. Portfolio-wide understanding: Gain an understanding of the applications in our portfolio and their integrations. More ❯

for your next professional adventure? We share your motivation to progress your career and achieve your ambitions – so we want to let you know about the latest Oracle HCM Principal Software Engineer- People Technology- London role. Check out the details for this vacancy, with a world-leading airline company, below: Location : London, waterside (Hybrid) Contract ended … months Hours: Monday to Friday (37.5 hours a week) Rate: £700-800 per day through UMBRELLA (Inside IR35) Job purpose: Join Client People Technology team as a Senior Software Engineer and play a key role in leading engineering across People/HR portfolio. The team manages a large number of People applications, both in-house and SaaS across … delivery and support functions. There are a number of exciting projects for which we require the Senior Software Engineer engagement including an HR transformation. Accountabilities: Leadership & Management: Lead, mentor, and inspire teams of software engineers, fostering a collaborative and high-performance culture. Portfolio-wide understanding: Gain an understanding of the applications in our portfolio and their integrations. More ❯

VANRATH are partnering with a global FinTech company to recruit for a Principal 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 market. As the Principal Software Engineer you will have the opportunity to work on … AWS, while shaping the engineering culture of a forward-thinking team. What You'll Do Mentor engineers and align development with project goals and timelines Design, build, and maintain software solutions Collaborate with BAs and PMs to shape and refine technical requirements Implement Infrastructure as Code (IaC) using AWS CDK (Python) Maintain CI/CD pipelines and drive code … cloud-based systems Participate in agile ceremonies and promote a strong agile culture Document technical designs, processes, and system architecture What We're Looking For Proven experience as a Principal .NET Engineer (finance sector a plus) Strong AWS knowledge with hands-on IaC (CDK + Python) Solid experience with unit testing, CI/CD, and agile methodologies Familiarity More ❯

Overview As a Principal Software Engineer , you will work in one of our core platform teams, playing a key role in developing software that makes a real impact on people's lives, whether it's developing Covid Tests and vaccines, helping scientists detect cancer, ensuring food safety, or developing biodegradable plastics - our work delivers benefit! Responsibilities … and all applicable procedures. Contribute to the development and maintenance of all aspects of the applications and services owned by the team. Qualifications What will make you a successful Principal Software Engineer at Waters: Extensive knowledge and proven experience as a software developer, with exposure to back-end technology stacks (C#, .NET). Experience with Front … End JavaScript Frameworks, especially Angular. Good experience working with Amazon Web Services, Microservices, API development. Knowledge and application of software engineering practices (e.g., Unit testing, TDD, CI/CD, SOLID, BDD). Proven ability to work as part of a team. Ability to analyze and solve problems. Excellent communication and teamwork skills. The following criteria are desirable but not More ❯

Staff/Principal Software Engineer Hybrid - Cambridge HQ UK Remote-Friendly Circa £110k+ A leading provider of global payment and data solutions is looking for a Staff or Principal Software Engineer to join their high-performing engineering team. This is a unique opportunity to take a senior role in shaping the architecture and technical More ❯

Principal Software Engineer Location: Manchester (Central) or Leeds (South) (Hybrid Up to 2 days in office) Salary: Up to £95,000 base + Car Allowance + Exceptional Bonus Scheme - Up to 30% Architect the Future of Cloud-Native SaaS at Enterprise Scale We are exclusively partnered with our client , a world-class, global SaaS enterprise, undergoing one … of the most ambitious digital transformations in the industry. As part of their UK & European technology organisation, Were looking for a Principal Software Engineer whos ready to take the next step into architecture. This is a rare opportunity to slowly transition into a Solution Architect role and play a key part in shaping next-generation platforms that … orchestration Microservices, RESTful APIs Event-driven architectures SQL and NoSQL technologies CI/CD, Infrastructure as Code Scalable, cloud-native, distributed systems What Were Looking For A background in software engineering with a deep understanding of scalable system architecture. Hands-on experience designing and delivering cloud-native platforms in complex, fast-moving environments. Strong knowledge of modern development practices More ❯

Principal Software Engineer - Product team Remote/Home Based, UK Aker Systems was founded in 2017 by a team of experienced technology professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology … different backgrounds and identities to apply. We are committed to maintaining an inclusive, and supportive place for you to do your very best work. We're looking for a Principal Software Engineer to lead the architecture, design, and evolution of our secure, distributed, cloud-native systems. This is a hands-on leadership role where you'll shape More ❯

Principal Embedded Software Engineer £70-90k Reading Remote, with occasional visits My client is an elite company providing media content solutions. Due to sustained success, they are expanding their R&D team. They're seeking a Principal Software Engineer with a strong background in embedded systems and a passion for solving complex technical … challenges in a high-performance environment. Key Responsibilities: Lead software architecture across the full stack, from UI and services to kernel-level development. Collaborate with hardware and FPGA teams to deliver tightly integrated, high-speed embedded systems. Mentor engineers, drive best practices, and contribute to recruitment and technical leadership. Essential Experience: 10+ years in C++ software development in … a Linux environment Experience building complex software for custom hardware, including device interfacing. Strong foundation in data structures, algorithms, and object-oriented design. Desirable Skills: Exposure to Qt, Yocto, Linux kernel, or device driver development. Knowledge of high-speed data, graphics processing, or networking (TCP/IP, multicast). Familiarity with Python, GitLab, or AWS What you'll get More ❯

Principal Embedded Software Engineer | £70-90k | Reading | Remote, with occasional visits My client is an elite company providing media content solutions. Due to sustained success, they are expanding their R&D team. They're seeking a Principal Software Engineer with a strong background in embedded systems and a passion for solving complex technical … challenges in a high-performance environment. Key Responsibilities: Lead software architecture across the full stack, from UI and services to kernel-level development. Collaborate with hardware and FPGA teams to deliver tightly integrated, high-speed embedded systems. Mentor engineers, drive best practices, and contribute to recruitment and technical leadership. Essential Experience: 10+ years in C++ software development in … a Linux environment Experience building complex software for custom hardware, including device interfacing. Strong foundation in data structures, algorithms, and object-oriented design. Desirable Skills: Exposure to Qt, Yocto, Linux kernel, or device driver development. Knowledge of high-speed data, graphics processing, or networking (TCP/IP, multicast). Familiarity with Python, GitLab, or AWS What you'll get More ❯

Great opportunity for a Principal Software Engineer with experience of .NET and AWS to join a fast-growing FinTech company in Manchester that have an award-winning culture built on collaboration. You’d join a large engineering department and would work with cross functional teams responsible for building high-performance, cloud-native systems in a DevOps environment. … As a Principal Software Engineer, you’ll lead by example, writing production-grade code while shaping architecture, mentoring engineers, and driving technical excellence across teams. What You’ll Be Doing: Designing and building scalable, distributed systems (60% hands-on coding) Leading technical strategy across multiple product teams Coaching and mentoring Staff & Senior Software Engineers Owning non More ❯

Great opportunity for a Principal Software Engineer with experience of .NET and AWS to join a fast-growing FinTech company in Manchester that have an award-winning culture built on collaboration. You'd join a large engineering department and would work with cross functional teams responsible for building high-performance, cloud-native systems in a DevOps environment. … As a Principal Software Engineer, you'll lead by example, writing production-grade code while shaping architecture, mentoring engineers, and driving technical excellence across teams. What You'll Be Doing: Designing and building scalable, distributed systems (60% hands-on coding) Leading technical strategy across multiple product teams Coaching and mentoring Staff & Senior Software Engineers Owning non More ❯

Principal/Senior Principal Software Engineer - Email Security The driving force behind our award-winning Email Security Product at Mimecast Dive into the forefront of innovation with our Email Security engineering team. Our pioneering Email Security solution pushes on the boundaries of what's possible, leveraging the latest technologies and tooling in AWS. Why Join Our … with our innovative Email Security team! Our MTA process billions of emails from millions of users on thousands of servers each day!" - Hiring Manager What You'll Do? As Principal/Senior Principal Engineer, you will play a pivotal role in leading the development of our next-generation cloud-based email product. This role involves hands-on … within the team, fostering collaboration and teamwork. Apply technology trends and industry innovations to our products. Coach and mentor team members in areas of expertise. Experience 10+ years of software development experience. Strong object-oriented programming skills following SOLID principles. Proficient in Java and experienced in building REST/HTTP microservices. Familiarity with Jenkins CI/CD pipelines and More ❯

We are a technology-driven company building high-performing, scalable, and resilient software solutions. Our teams work with a modern tech stack including .NET, MongoDB, AWS, Jenkins, SQL Server, and streaming technologies. We’re looking for a hands-on Principal Engineer who can code, design scalable systems, manage Staff Engineers, and drive technical excellence across multiple teams. … This role is perfect for a technical leader who still enjoys writing code while shaping architecture and mentoring engineers. About the role As a Principal Engineer, you will play a critical role in: Architecting scalable, high-performance systems Coding and reviewing mission-critical features (at-least 60% hands-on) Managing and mentoring Staff Engineers & Senior Developers Driving best … practices in software development and AI-powered engineering Owning non-functional requirements (NFRs) such as security, scalability, and reliability Optimising cloud infrastructure and CI/CD pipelines If you thrive on solving complex technical challenges, leading by example, and empowering teams, this is the role for you! Key responsibilities Hands-on coding (at least 60% of the time), working More ❯

Principal Software Engineer -C#/.Net,React Introduction: Are you searching for an opportunity to play a key role in driving the dramatic growth of a highly successful software company? At Poppulo, we're working on what's next in communications and workplace technology. As a pioneer in this industry, we understand that meaningfully reaching every … the requirements. We believe in fostering an environment where there is a diversity of perspectives, in hopes that we can all thrive. The Opportunity We are seeking a skilled Principal Software Development Engineer to join our Extensions & Adapters team within Data Integrations. In this role, you'll build and enhance plugins that expand the functionality of our … adapters and integration components (Listeners, Actions, Endpoints). Identify and implement performance improvements and optimization strategies for high data throughput. Mentor team members, ensuring adherence to best practices in software development and architecture. Participate actively in agile processes and foster a collaborative and innovative team culture. Integrate and experiment with AI technologies, leveraging generative AI and Large Language Models More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯

Job Title: Principal Software Engineer - x8 Location: Isle of Wight - Cowes/Portsmouth - Broad Oak - We offer flexible working arrangements - Part time & accruing hours available. Please let us know if you would like to discuss these options Salary: Up to £75,900 (dependent on skills and experience) What you'll be doing: Derive and maintain a set … of software requirements from a baseline set of systems requirements Produce and maintain a software design to meet a set of software requirements Use a software design to produce a deliverable software solution Undertake peer reviews or checking/verification of peers' solutions across Maritime Services Undertake technical reviews, verify and authorise software engineering … designs Act as an Engineering technical lead for a software solution at a sub-system level Maintain a software solution to address reported defects and/or add new functionality Support the development of individuals and teams to enhance skills and competencies Produce or assist in the creation of software estimates for sub-systems Your skills and More ❯