Principal Software Engineer jobs in Altrincham

We’re working with a crypto-native DeFi trading platform, backed by a leading digital assets firm (client name kept confidential), to hire a Senior Backend Developer. The team is building high-performance, decentralized trading infrastructure with a strong focus on execution quality and user experience. This is a hands-on role covering backend engineering, smart contract integration, and...

Job Description Principal Software Developer – Manchester (central) 3 days a week in office with flexible start/finish – strong benefits – up to £90,000 (flexible for the right person) I’m working with a high‑growth tech business looking for a Principal Software Developer to take a leading, hands‑on role across their platform. You’ll design and deliver complex features, shape architectural...

You should also expect to work across the full stack and every stage of the product lifecycle, from system design through to build, test, deployment and supporting systems in production, so you should be skilled in practices like TDD, CI/CD, IaC and Observability.

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...

Job Description Principal/Associate Civil Engineer£55,000 - £65,000Manchester An exciting opportunity has arisen to join a growing consultancy as part of the expansion of a new Manchester office. We’re looking for an experienced Civil Engineer who wants more than just a technical role. This is a chance to step into a role with real influence, responsibility and long-term progression, within a...

You will be based near the exciting, rebellious city of Manchester. Benefits for the role of Principal Drainage Engineer include (but are not limited to): - Competitive salary (commensurate with experience) - Employee Pension Scheme - Generous annual leave entitlement - Flexible/hybrid working opportunities

You will be joining a community that focuses on learning and development through regular lunch and learn sessions, investment in accredited professional courses or educational programmes.

You will be able to make an impact both internally and with clients and receive suitable recognition.

You will be based in central Manchester and will be responsible for budgets and all mechanical systems. - Ensure all statutory compliance and legal provisions - Operate within the annual budget - Take full responsibility for all the mechanical systems - Full compliance with statutory requirements, in line with SFG20

Job Description We are seeking a full-time Principal Engineer with a strong technical background to support our structural engineering team delivering projects within the nuclear sector. This role is ideally suited to an engineer who has developed a solid technical foundation and is now looking to transition into a hybrid role combining technical leadership with emerging people and project...

Java Software Engineer (Developer / Senior / Principal)Complex Systems | Modern Stack | Agile & XP CultureRemote First (office visit approx. once per month - South Manchester)£50,000 - £85,000 + Bonus + Excellent Benefits (level dependent)We're partnering with a long-established technology business building modern platforms at the heart of a complex, highly regulated domain. With continued growth...

Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless...

Our client is a well-established business who have developed a reputation for providing excellent quality mechanical and electrical building services design, positioning themselves as preferred design consultants for a host of prestigious clients across a range of sectors. To kickstart 2026 they are introducing Data Centre work and they are looking for a Senior/ Principal/ Associate/ AD...

Job Title: Senior or Principal EC&I Engineer Location: Warrington or Nr Birmingham Contract Type: Contract or Permanent Work Pattern: Hybrid working Role Overview: A new opportunity has arisen for a Senior or Principal Electrical, Control & Instrumentation (EC&I) Engineer to drive technical excellence across complex projects for an independent provider of Nuclear Engineering and...

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.

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.

Job Description LOCATION - Manchester / Leeds / Leicester or Edinburgh We are seeking a qualified and enthusiastic Principal Electrical Building Services Engineer to support and develop the project delivery capabilities of our busy and successful building services team. Candidates will successfully lead and deliver multiple, medium complexity projects without supervision, or packages of high...

Job Description Principal Electrical Design Engineer – Nuclear Location: Hybrid (Manchester, occasional site/client visits) Sector: Nuclear We're looking for a Principal Electrical Design Engineer to lead the delivery of challenging projects across the Nuclear Energy sector. You'll work on everything from concept studies to detailed design, producing high-quality electrical engineering...

Job Description My client is a well-established business who have developed a reputation for providing excellent quality mechanical and electrical building services design, positioning themselves as preferred design consultants for a host of prestigious clients across a range of sectors. To kickstart 2026 they are introducing Data Centre work and they are looking for a Senior/ Principal/...

Job Description Our client is a leading engineering business delivering major infrastructure solutions across the UK's energy, water, transportation, and defence sectors. They provide innovative, digitally enabled solutions across five core service areas, supporting the full lifecycle of critical assets. The job Senior / Principal Electrical, Instrumentation, Control & Automation (EICA)...