Senior Full Stack Engineer

Informed Solutions; Sandiway; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading digital solutions firm in the UK is seeking a Senior Full Stack Software Engineer to lead the design and delivery of complex solutions for the public sector. The role involves mentoring colleagues and owning end-to-end delivery of greenfield projects. Ideal candidates have 5+ years of experience with .NET, Java, or Python and strong cloud platform knowledge. Benefits include career development programs, health support, hybrid working, and generous holiday leave.

Benefits

Career development programmes

Health and wellbeing plan

Hybrid working

Private Health Care Cover

Generous life assurance cover

Gym Membership

Monthly office lunch

Onsite massage sessions

25 paid working days holiday

Sabbatical Leave Scheme

Enhanced Maternity Leave and Pay

Enhanced Paternity Leave and Pay

Company Pension Contribution

Profit Share Scheme

Payment of professional subscriptions

Generous referral scheme

Qualifications

• 5+ years experience in a Full Stack Engineering role.
• Experience taking ownership of delivery for services.
• Strong understanding of architectural and design patterns.
• Experience working in Agile environments.
• Experience mentoring and supporting less experienced engineers.
• Proven experience engaging with clients.
• Hands-on expertise with cloud platforms.
• Familiarity with CI/CD tools.

Responsibilities

• Own delivery of services across the full lifecycle.
• Lead on architecture and design of components.
• Support delivery planning alongside Delivery Managers.
• Build trust as a technical advisor to clients.
• Mentor and develop less experienced colleagues.

Skills

.NET

Java

Python

Modern JavaScript libraries

Agile methodologies

AWS

Azure

CI/CD tools

Scrum

Kanban

TDD

Tools

Jenkins

Terraform

Job description

As a Senior Full Stack Software Engineer at Informed Solutions, you'll lead the design, build, and delivery of complex digital solutions for the public sector. You’ll own end‑to‑end delivery on greenfield projects, mentor colleagues, and shape enterprise‑scale digital solutions for high‑profile clients.

Responsibilities

• Own delivery of services: responsibility for engineering and delivery of small‑to‑medium services or major components of larger services across the full lifecycle.
• Lead on architecture and design: ownership of end‑to‑end design of components or services, produce and maintain documentation, collaborate with Lead and Principal Engineers and practitioners from disciplines such as UCD and Data Science.
• Support delivery planning: partner with Delivery Managers to plan and structure technical activities, provide accurate and commercially sound estimates, identify and mitigate technical risks.
• Build stakeholder trust: act as a trusted technical advisor to client counterparts, partner organisations and third parties.
• Mentor and develop others: provide guidance and technical leadership to colleagues.

Qualifications

• 5+ years experience in a Full Stack Engineering role with advanced skills in .NET, Java or Python, plus modern JavaScript libraries.
• Experience taking ownership of delivery for services or significant components across the full lifecycle from design to operation.
• Strong understanding of architectural and design patterns, including serverless and microservices.
• Experience working in Agile environments, using Scrum, Kanban and TDD, and contributing to delivery planning and estimation.
• Experience mentoring and supporting less experienced engineers, providing guidance.
• Proven experience engaging with clients, taking ownership of technical decisions and delivery outcomes.
• Hands‑on expertise with cloud platforms (AWS or Azure), delivering scalable, secure and well‑architected solutions.
• Familiarity with CI/CD tools such as Jenkins and/or Terraform.

Desirable Skills

• Experience working in a consultancy environment, engaging with external stakeholders and clients.
• Exposure to public sector projects and delivering solutions in complex organisational landscapes.

Benefits

• InformedACADEMY – career development programmes, professional certifications.
• Industry leading health and wellbeing plan – 24/7 GP services, mental health support, physical health support.
• Hybrid working.
• Private Health Care Cover.
• Generous life assurance cover.
• Gym Membership.
• Monthly office lunch.
• Onsite massage sessions.
• 25 paid working days holiday per year plus bank holidays.
• Sabbatical Leave Scheme.
• Enhanced Maternity Leave and Pay.
• Enhanced Paternity Leave and Pay.
• Company Pension Contribution.
• Profit Share Scheme.
• Payment of professional subscriptions.
• Generous referral scheme with no limits on referrals.

Make a difference and advance your career by helping deliver some of the UK's most important projects, making the world a smarter, safer, greener, and healthier place.