9 of 9 Principal Software Engineer Jobs in County Antrim

Principal SDET (Software Development Engineer in Test) Location: Belfast (Hybrid) Are you a senior test automation expert ready to shape the future of quality engineering at a global scale? Join our client’s fast-growing engineering hub in Belfast , where innovation meets impact. Our client is seeking a Principal SDET to lead the design, development, and … to-end automation. Champion quality engineering principles and advocate for testability, CI/CD, and observability in our platform. What You’ll Bring: Extensive experience as a senior or principal-level SDET, QA architect, or similar role. Deep expertise in test automation frameworks (preferably Playwright ) and programming in Java and Python . Strong background in testing cloud-native applications More ❯

Principal SDET (Software Development Engineer in Test) Location: Belfast (Hybrid) Are you a senior test automation expert ready to shape the future of quality engineering at a global scale? Join our client’s fast-growing engineering hub in Belfast , where innovation meets impact. Our client is seeking a Principal SDET to lead the design, development, and … to-end automation. Champion quality engineering principles and advocate for testability, CI/CD, and observability in our platform. What You’ll Bring: Extensive experience as a senior or principal-level SDET, QA architect, or similar role. Deep expertise in test automation frameworks (preferably Playwright ) and programming in Java and Python . Strong background in testing cloud-native applications More ❯

Principal SDET (Software Development Engineer in Test) Location: Belfast (Hybrid) Are you a senior test automation expert ready to shape the future of quality engineering at a global scale? Join our client’s fast-growing engineering hub in Belfast , where innovation meets impact. Our client is seeking a Principal SDET to lead the design, development, and … to-end automation. Champion quality engineering principles and advocate for testability, CI/CD, and observability in our platform. What You’ll Bring: Extensive experience as a senior or principal-level SDET, QA architect, or similar role. Deep expertise in test automation frameworks (preferably Playwright ) and programming in Java and Python . Strong background in testing cloud-native applications More ❯

work is impactful and varied, often at the leading edge of technology. Our clients choose Instil because we are seen as a cut above. We are looking for a Principal Software Engineer to join our growing business and play a pivotal role in leading the development of next-generation products that shift the dial for our global … customers. As a Principal Engineer, you will care about your craft and the success of our customers and their users. Most of your time will be spent writing code and leading teams to deliver business-critical outcomes successfully. You will also be a team player who enjoys contributing to company culture and fostering the best from your colleagues. … how we work. Proactively contribute to a team culture that values quality, robustness, and knowledge sharing. Need to have: A minimum of 8 years post-graduate experience in the software industry. Expertise in Java, Kotlin, Typescript, or C#. Expertise in React or Angular. Experience developing cloud-native solutions and modern frontend applications. Experience developing secure and robust architectures. Experience More ❯

Principal Software Engineer II (Fully Remote) Location: 100% Remote (UK & Ireland-based candidates preferred) Recruitment Partner: VANRATH Job Type: Full-time Permanent Industry: Fintech/SaaS/Payments VANRATH is proud to be partnering with an innovative and rapidly scaling fintech company to recruit a Principal Software Engineer II . This is a rare … building a modern, merchant-focused ecosystem while remaining hands-on in engineering. You'll help shape the future of the company's technical direction while contributing directly to the software that powers a nationwide payment infrastructure. This role is fully remote , offering you flexibility while working alongside a passionate, pragmatic, and forward-thinking engineering team. The Opportunity: As a … Principal Software Engineer II , you'll lead the design, development, and strategic direction of key platform capabilities-such as APIs, Billing, Settlement, and more. This is a hands-on technical leadership role with significant influence across architecture, engineering culture, and delivery practices. You'll guide feature teams, set standards, and participate in delivering real-world solutions that More ❯

that's building a globally-used product utilised across multiple industry sectors. With significant investment secured and major scaling plans already underway for 2025, they're looking for a Principal Java Developer to play a pivotal role in the evolution of their core software platform. As their Principal Java Engineer, you'll join a small yet … collaborative, high-performing software engineering team and take ownership of a critical product area. You'll be at the forefront of architecture and development while mentoring the next generation of software talent and less experienced software engineers -all under the guidance (and support) of a visionary Head of Engineering and CTO. If you're looking for a … product-focused tech start-ups will be highly advantageous Natural leadership skills with a passion for mentoring and team development A problem-solver with a drive for clean, modern software engineering What's in it for You: Salary up to £95,000 Bonus scheme (10%) Share options Flexible hybrid working (1-2 days in office per week) Huge opportunity More ❯

that's building a globally-used product utilised across multiple industry sectors. With significant investment secured and major scaling plans already underway for 2025, they're looking for a Principal Java Developer to play a pivotal role in the evolution of their core software platform. As their Principal Java Engineer, you'll join a small yet … collaborative, high-performing software engineering team and take ownership of a critical product area. You'll be at the forefront of architecture and development while mentoring the next generation of software talent and less experienced software engineers -all under the guidance (and support) of a visionary Head of Engineering and CTO. If you're looking for a … product-focused tech start-ups will be highly advantageous Natural leadership skills with a passion for mentoring and team development A problem-solver with a drive for clean, modern software engineering What's in it for You: Salary up to £95,000 Bonus scheme (10%) Share options Flexible hybrid working (1-2 days in office per week) Huge opportunity More ❯

that's building a globally-used product utilised across multiple industry sectors. With significant investment secured and major scaling plans already underway for 2025, they're looking for a Principal Java Developer to play a pivotal role in the evolution of their core software platform. As their Principal Java Engineer, you'll join a small yet … collaborative, high-performing software engineering team and take ownership of a critical product area. You'll be at the forefront of architecture and development while mentoring the next generation of software talent and less experienced software engineers -all under the guidance (and support) of a visionary Head of Engineering and CTO. If you're looking for a … product-focused tech start-ups will be highly advantageous Natural leadership skills with a passion for mentoring and team development A problem-solver with a drive for clean, modern software engineering What's in it for You: Salary up to £95,000 Bonus scheme (10%) Share options Flexible hybrid working (1-2 days in office per week) Huge opportunity More ❯

Requirements: Post-graduate engineering experience Ability and willingness to work with various technologies across multiple projects, including React, Angular, C#, Go, AWS, Java, and Node.js Proven experience of working in a small team Excellent communication skills Responsibilities: Write clean code More ❯