Principal Software Engineer jobs in Sheffield

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. This role requires deep expertise in Linux networking data path and...

You will report directly to the Senior Civil Engineer and your role xujxxms will be to provide superior quality Engineering Design services to allow t...

You will be a vital part of this evolution, contributing your expertise to our strategy and helping us redefine what services we offer our clients.

You will ensure buildings are designed to minimise fire risks, through contributing to the development of fire strategy reports, calculations and fire risk assessments.

Software Engineer Document Management & Workflow Systems (Contract) Any additional information you require for this job can be found in the below text Make sure to read thoroughly, then apply. Details - Initial 6-month contract with extension - Fully remote (EU time zones) - Start: End of February / early March - Outside IR35 We are looking for an experienced Software Engineer contractor to...

You will represent the best of Nimble, building trust with senior client stakeholders while driving positive outcomes on complex programmes.

You will be comfortable being the "first on the ground" on new client engagements, shaping account strategy, establishing technical quality, and providing crucial support to our pre-sales activities.

Job Description About the role: The Principal Thermofluids Engineer is responsible for the design, analysis and optimisation of advanced liquid-cooling solutions for high‑performance IT equipment, including CPUs, GPUs, FPGAs, ASICs, DIMMs, storage and networking hardware. The role ensures Iceotope’s systems deliver best‑in‑class thermal performance, energy efficiency and reliability, while...

Job Description We are seeking a highly experienced and dynamic Principal Structural Engineer to join our team in Sheffield, ideally located in the Botanical Gardens Business Centre, Broomhill. In this role, you will lead and manage a diverse range of projects, including domestic alterations, extensions, and bespoke commercial structural engineering developments. From conception to completion,...

Sr Java Backend Engineer /Principal ConsultantJoin to apply for the Sr Java Backend Engineer /Principal Consultant role at NatoboticsHands‑on expertise with Spring Boot (REST APIs, Microservices)Experience building and deploying containerised applications (Docker)Solid working knowledge of Kubernetes (deployment, scaling, config maps, secrets)Experience with cloud platforms (AWS / Azure /...

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

Key Responsibilities - Design, implement, and maintain software for nuclear systems, ensuring compliance with safety and regulatory standards. - Develop software for reactor control, monitoring systems, data acquisition, simulation, and predictive analytics. - Collaborate with multidisciplinary teams including nuclear engineers, electrical engineers, and safety specialists. - Apply best...

Location Sheffield, United Kingdom# Sr Java Backend Engineer /Principal Consultant at N Consulting Ltd Location Sheffield, United Kingdom Salary£450 - £550 /day Job Type Full-time Date Posted December 22nd, 2025 Apply NowJob Title: Sr Java Backend EngineerLocation: Sheffield, UKWork Mode: HybridPrincipal Consultant/ Program ManagerRequired Skills:– Spring Boot & KubernetesExperience with 10 plus...

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

We are seeking a highly experienced and dynamic Principal Structural Engineer to join our team in Sheffield, ideally located in the Botanical Gardens Business Centre, Broomhill. In this role, you will lead and manage a diverse range of projects, including domestic alterations, extensions, and bespoke commercial structural engineering developments. From conception to completion, you will ensure...

You will support in reverse engineering and deep understanding of vulnerabilities, including impact analysis and automation.

You must relish the challenge of findings critical vulnerabilities in complex software binaries through automation and manual practices. Creativity is highly valued; being able to find novel vulnerabilities is essential in this role.

Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Software Engineer to join their growing engineering team. This is an exciting opportunity to work on scalable, resilient systems while contributing to real-world solutions in the financial technology space. Key...

The Principal Thermofluids Engineer is responsible for the design, analysis and optimisation of advanced liquid-cooling solutions for high‑performance IT equipment, including CPUs, GPUs, FPGAs, ASICs, DIMMs, storage and networking hardware. The role ensures Iceotope’s systems deliver best‑in‑class thermal performance, energy efficiency and reliability, while enabling circularity and energy reuse...