Principal developer Work, Jobs in Coxhoe, Dur (with Salaries)

Principal NetSuite Developer
William Smith Group 1832 —Barnard Castle
- From £50,000 a year
- Full-time
- SQL
- Mentoring
- In-person
- Free parking
- Employee assistance programme
Quick apply
Principal Developer
Version 1 —Newcastle upon Tyne
- Full-time
- Hybrid work
- SDLC
- Employee assistance programme
- Employee discount
Quick apply
Senior/Principal Engineer
AtkinsRéalis —Stockton-on-Tees
- Full-time
- Hybrid work
- Civil engineering
- Engineering
- Master's degree
Senior / Principal Power Systems Engineer
AECOM —Newcastle upon Tyne
- Full-time
- Hybrid work
Full Stack Java Developer
Version 1 —Newcastle upon Tyne
- Full-time
- Agile
- SDLC
- Employee assistance programme
- Employee discount
Quick apply
Principal/Associate River Engineer
AECOM —Newcastle upon Tyne
- Full-time
- Hybrid work
- Civil engineering
- Leadership
- Communication skills
Principal Cable System Design Engineer
AECOM —Newcastle upon Tyne
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Business development
Content Designer - Newcastle
Accenture —Newcastle upon Tyne
- Full-time
- Hybrid work
- Communication skills
- HTML
Principal Low-Level Graphics Programmer
Double Eleven —Middlesbrough
- Full-time
- Presentation skills
- Mentoring
- Free parking
- Annual leave
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Royal HaskoningDHV —Newcastle upon Tyne
- Part-time
- Civil engineering
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- Master's degree
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Turnitin, LLC —Newcastle upon Tyne
- Full-time
- Remote
- Mentoring
- AI
- Annual leave
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Sage —Newcastle upon Tyne
- Hybrid work
- Continuous improvement
- APIs
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Principal NetSuite Developer
William Smith Group 1832 —Barnard Castle
Manufacturing ERP functionality exposure (inventory, work orders, BOMs) - relevant to Phase 2. Partner with the IT Manager on platform roadmap, technical debt…
From £50,000 a year
Quick apply
Principal Developer
Version 1 —Newcastle upon Tyne
Our deep expertise enables our customers to navigate the rapidly evolving technology landscape. We foster strong partnerships with global technology leaders…
Quick apply

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principal developer jobs near coxhoe, dur

Principal NetSuite Developer

William Smith Group 1832 -
Barnard Castle

Quick apply

Job details

Full-time
From £50,000 a year

Benefits

Free parking
Casual dress
Cycle to work scheme
Company pension
Tech scheme
Employee assistance programme
Employee discount
On-site parking

Qualifications

Mentoring junior staff
NetSuite
ERP software
Git
Technical support
SQL
CI/CD pipelines
Continuous integration
Mentoring
Professional development mentoring
Training & development
Design documentation
Business requirements
Microsoft Dynamics 365 Business Central
TypeScript
Communication skills

Full job description

William Smith Group 1832 Limited is implementing Oracle NetSuite as its core ERP platform (go-live 1 November 2026), with Celigo as the integration layer, with Phase 1 covering core back-office functions, warehousing and distribution, and Phase 2 covering manufacturing functionality. The in-house development team - two Senior Developers and a further developer with growing NetSuite skills - delivers day-to-day platform development.

This role exists to add senior technical depth and specialist breadth to that team: owning the architecture of complex and cross-cutting work, leading on integrations, acting as design authority and technical reviewer, and accelerating the wider team’s capability through mentoring and code review. It is positioned as a senior individual contributor role, parallel to the IT Manager on the technical track, complementing rather than competing with the existing developers.

Key Responsibilities:

Act as design authority for NetSuite customisation and integration: architectural decisions, technical standards, code review, design sign-off on non-trivial work.
Lead the design and build of the most complex SuiteScript work (Map/Reduce at scale, performance-critical Suitelets and RESTlets, advanced workflow logic) and act as escalation point for the team on technical problems.
Own the integration architecture end-to-end: flow design patterns, error handling and recovery, monitoring strategy, onboarding of new endpoints, retirement of legacy integrations when required.
Establish and maintain platform engineering disciplines: SuiteCloud Development Framework, source control, sandbox and release management, deployment pipelines, governance limit monitoring.
Mentor and upskill the existing development team through pairing, structured knowledge transfer, code review and technical coaching.
Partner with the IT Manager on platform roadmap, technical debt management and Phase 2 (manufacturing) technical design.
Engage directly with business stakeholders on the most complex requirements; translate to technical design and supporting documentation.
Contribute to third-line support as escalation specialist for the most complex incidents.

Essential Criteria:

Strongly preferred (tier 1)

Substantial hands-on NetSuite SuiteScript development experience (4+ years, all major script types, demonstrable production track record).
Deep working experience of Celigo integrator.io - flow architecture, error handling at scale, complex transformations.
Demonstrable design and architectural responsibility on a NetSuite implementation or estate - not solely build-to-spec experience.
Strong NetSuite data model fluency: saved searches, custom records, scripted vs. workflow trade-offs, governance and performance considerations.
Experience operating as a senior individual contributor - code review, mentoring, technical decision-making.

Acceptable with development plan (tier 2 – alternative entry routes)

Deep Celigo integrator.io expertise, plus working NetSuite experience (administrator, junior developer or partner-side functional / technical) and strong JavaScript / TypeScript background.
Senior integration architect background on comparable platforms (Boomi, MuleSoft, Workato) with NetSuite exposure and willingness to specialise in Celigo.
Senior developer or architect on a comparable mid-market ERP (Dynamics 365 Business Central, Sage Intacct, Acumatica) with strong JavaScript / TypeScript skills and a credible NetSuite learning path.

Desirable

NetSuite SuiteCloud Developer II or Administrator certification.
CPQ tooling experience.
Manufacturing ERP functionality exposure (inventory, work orders, BOMs) - relevant to Phase 2.
Git-based source control and CI/CD for NetSuite (Salto, Blue Yonder or equivalent tooling).
SQL, Python or other scripting languages for tooling and data work.
Manufacturing, distribution or food and beverage sector background.
Experience with BI tooling (principally Phocas).

Personal Attributes

Comfortable as senior technical voice without being the line manager - collaborative with both the IT Manager and the existing development team.
Mentoring mindset; gets satisfaction from levelling up a team rather than hoarding the complex work.
Pragmatic on engineering rigour - applies standards proportionately to the business context.
Strong written and verbal communication with non-technical stakeholders.
Committed to the agreed on-site working pattern

What the Role Offers

Senior technical role on a newly implemented enterprise platform with a clear Phase 2 roadmap ahead.
Genuine design authority and influence over the long-term technical direction.
Strong existing team to work with and develop, not a green-field rebuild.

What we offer:

Pension Scheme
Life Assurance 6x Salary
Free Parking
Employee Assistance Programmes
Training and career development
Holiday Purchase Scheme
Holiday Loyalty Reward Days
Cycle to Work Scheme
Tech scheme and Employee Discounts

Location: Barnard Castle, County Durham (hybrid – minimum 2 days on-site per week)

Job Type: Full-time, Permanent

To apply please send your CV with a covering letter to [email protected]

Pay: From £50,000.00 per year

Benefits:

Casual dress
Company pension
Cycle to work scheme
Free parking
On-site parking

Work authorisation:

United Kingdom (required)

Work Location: In person

Quick apply

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Principal NetSuite Developer