985+ Fullstack Engineer Intern React Nextjs Python Jobs in Portsmouth, UK — Local Employers Hiring June 2026

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Full Stack Engineer Intern React, Next.js & Python

Full-Stack Engineer Intern - React, Next.js & Python Remote | Duration: 6 Months | Start Date: 6 July 2026 | Commitment: ~20 hours per week | Eligibility: Students enrolled in a credit-bearing UK university placement | Application Deadline: Sunday 28 June 2026 | Unpaid (credit-bearing, contribu ...

AI Engineer Intern LLM Agents & Automation (Python)

AI Engineer Intern - LLM Agents & Automation (Python) Remote | Duration: 6 Months | Start Date: 6 July 2026 | Commitment: ~20 hours per week | Eligibility: Students enrolled in a credit-bearing UK university placement | Application Deadline: Sunday 28 June 2026 | Unpaid (credit-bearing, contrib ...

MOD DV Senior Engineer – Legacy Modernisation, Python/C++

DataCareers is seeking a MOD DV Cleared Senior Software Engineer based in Portsmouth to lead software engineering efforts in a prestigious tech consultancy. The role focuses on complex system maintenance, reengineering, and modernization. The ideal candidate should possess hands-on experience with Pyth ...

Senior Software Engineer (DV Cleared) – Python/C++, Portsmouth Onsite

iO Associates is looking for an experienced Senior Software Engineer to work in Portsmouth, UK. The role involves supporting the maintenance, enhancement, and modernisation of complex software systems within a secure environment. Candidates must have active DV clearance, strong software engineering skills in ...

Near Peer Teen Health Education Intern

A community health organization in Portsmouth is looking for a Teen Health Education Intern. This role involves mentoring middle and high school students, implementing health initiatives, and creating a positive impact in the community. The ideal candidate is a college student passionate about public health and ...

Composite Commerce Architect

Role: Composite Commerce Architect Location - UK or Netherlands or Poland Work mode - Remote Position - FTE Must have skills - PIM or OMS Skills required to contribute: Hands-on (Must have) 20+ years of working experience ...

Senior Software Engineer

Senior Software Engineer Role: Senior Software Engineer Salary: Up to £65,000 Location: Fully Remote Tech Stack: C#, .NET, Azure/AWS/GCP, React, Node.js, Docker, Kubernetes, Terraform, CI/CD Eligibility: Applicants must have t ...

Technical Lead

Role: Technical Lead Location: Remote We are The Citation Group - a collective of businesses dedicated to supporting small and medium-sized enterprises across a range of essential services. We know that running a business means juggling a lot. Our mission is to ease th ...

Full Stack Software Engineer (Hybrid) – Defence Tech Impact

An innovative technology company in Portsmouth is seeking a Full Stack Software Engineer to help make the UK safer through software solutions. In this role, you will support the development of applications, participate in code reviews, and work with technologies like SQL, React, and NodeJS. Candidates should hav ...

Software Engineer

Naimuri Portsmouth, England, United Kingdom Software Engineer We can offer you the chance to help make the UK a safer place through innovation, working in partnership with government, defence, and law enforcement organisations on some of the most challenging data and technology problems o ...

Senior Software Engineer, Core Systems & Refactoring

Comxps Ltd is seeking a Senior Engineer to join their team in Portsmouth. The role will involve complex maintenance and upgrade work, requiring strong expertise in Python and C/C++. The engineer will lead investigations and ensure performance improvements, while also mentoring other engineers. Located ...

AI Engineer Starter Course (Portsmouth)

AI Engineer Programme – Job Support Included Complete online training designed to take you from beginner level to your first AI Engineer role. Study part-time, build practical artificial intelligence and machine learning skills, and receive dedicated job support to help you secure employment. <br ...

AI / ML Specialist

AI Engineer Programme – Job Support Included Complete online training designed to take you from beginner level to your first AI Engineer role. Study part-time, build practical artificial intelligence and machine learning skills, and receive dedicated job support to help you secure employment. <br ...

AI Programmer

AI Engineer Programme – Job Support Included Complete online training designed to take you from beginner level to your first AI Engineer role. Study part-time, build practical artificial intelligence and machine learning skills, and receive dedicated job support to help you secure employment. <br ...

AI Scientist

AI Engineer Programme – Job Support Included Complete online training designed to take you from beginner level to your first AI Engineer role. Study part-time, build practical artificial intelligence and machine learning skills, and receive dedicated job support to help you secure employment. <br ...

AI Engineer

AI Engineer Programme – Job Support Included Complete online training designed to take you from beginner level to your first AI Engineer role. Study part-time, build practical artificial intelligence and machine learning skills, and receive dedicated job support to help you secure employment. <br ...

AI Developer

AI Engineer Programme – Job Support Included Complete online training designed to take you from beginner level to your first AI Engineer role. Study part-time, build practical artificial intelligence and machine learning skills, and receive dedicated job support to help you secure employment. <br ...

Artificial Intelligence Engineer

Job Title: AI/ML Engineer (LLMs / Python / Automation) Location: UK/Europe (Remote) About the Role: We are bypassing theoretical research and building an elite team of practitioners focused entirely on the real-world execution of artificial intelligence ...

Senior Software Engineer — DV Cleared, Portsmouth (Onsite)

ComXps is seeking a Senior Engineer for a permanent position based in Portsmouth. The role involves complex maintenance and upgrade tasks covering primary programming languages such as Python and C/C++, alongside MATLAB/Simulink integration. The successful candidate will lead investigations of defects, ...

DV Cleared Senior Software Engineer

Senior Software Engineer - DV Cleared Location: Portsmouth, UK (3 days per week onsite) Employment Type: Permanent, Full-time Security Clearance: Active MoD DV Clearance Required Salary: £70,000 - £90,000 per annum iO associates are seeking an experienced Senior So ...

DV Cleared Senior Software Engineer

Senior Software Engineer – DV Cleared Location: Portsmouth, UK (3 days per week onsite) Employment Type: Permanent, Full-time Security Clearance: Active MoD DV Clearance Required Salary: £70,000 – £90,000 per annum iO associates are seeking an experienced S ...

MLOps Engineer

MLOps Engineer MLOps Engineer contract opportunity working on cutting‑edge Machine Learning and AI capabilities £512 per day via Umbrella | Initial contract until September 2026 with strong extension potential through to 2027 Hybrid working – Portsmouth onsite 2 days eve ...

Platform Engineer

PLATFORM ENGINEER Platform Engineer opportunity working on cutting-edge AI/ML and secure platform technologies £555 per day via Umbrella Hybrid working – Portsmouth based with 2 days onsite every other week SC Clearance required ABOUT THE CLIEN ...

Principal C++ Engineer – Defence, Simulation & Autonomy

A leading consultancy firm is seeking a Principal Software Engineer to join their team in Portsmouth. The role involves designing and delivering innovative software solutions across various sectors, including defence and energy. Candidates should have at least 15 years of experience in software applications, wit ...

Principal Software Engineer Simulation & Autonomy

A technology consultancy firm in Portsmouth is seeking a Principal Software Engineer to lead the design and development of applications across various sectors, including defence and health. The ideal candidate has over 15 years of experience with expertise in C/C++, C#, and Python, alongside strong stakeholder m ...

Platform Engineer DevSecOps Lead (Hybrid, SC)

Experis - ManpowerGroup is seeking a Platform Engineer located in Portsmouth, requiring SC clearance, to work in a hybrid environment. This role focuses on continuous integration, automation, and security scanning while implementing DevSecOps principles. The successful candidate will lead both hands-on ...

Senior Software Engineer Hybrid Modelling & Autonomy

A software and data science consultancy is seeking an experienced Software Engineer to design and deliver software solutions. This role offers a hybrid working model and competitive salary starting from £50,000. The ideal candidate will have at least 5 years of experience in performant software applications and ...

R&D Software Engineer – Immersive Training & AI

Gattaca is looking for a Research & Development Software Engineer to join their innovative team in Portsmouth. This permanent role involves developing cutting-edge immersive training solutions and simulations, where you'll build prototypes, implement AI integrations, and work across various technical areas. < ...

Senior Software Engineer DV Cleared, Onsite 3 Days/Week

iO Associates is seeking an experienced Senior Software Engineer based in Portsmouth, UK, to support the maintenance and enhancement of complex software systems within a secure environment. The candidate must have active DV clearance and strong software engineering experience, particularly with Python and C/C ...

DV Cleared Senior Software Engineer (Onsite Portsmouth)

IO Associates is seeking an experienced Senior Software Engineer to join their team in Portsmouth, UK. This permanent, full-time position requires active MoD DV clearance, and involves supporting the maintenance and modernization of complex software systems within a secure environment. The ideal candid ...

DV Cleared Software Engineer

Senior Software Engineer - DV Cleared Location: Portsmouth, UK (3 days per week onsite) Employment Type: Permanent, Full-time Security Clearance: Active MoD DV Clearance Required Salary: £70,000 - £90,000 iO associates are s ...

Security Research Engineer

Security Research Engineer, Southampton UK Salary up to £95,000 depending on experience, plus bonus package Onsite role near Southampton Active DV clearance required ABOUT THE CLIENT Our client is a highly respected techn ...

Cloud Platform Engineer: Automation & Cloud Native

SSE PLC is looking for a cloud engineer to join their central Cloud Engineering team. You will contribute to designing and delivering cloud services and driving infrastructure enhancements for SSE's digital transformation. This full-time permanent position offers flexibility with a hybrid working model. < ...

Senior ITSM Platform Engineer (Ivanti Neurons)

About Client: Our client is the leading collaboration on network and related infrastructure and services for the benefit of research and education, contributing to Europe's economic growth and competitiveness. Its offices are in Amsterdam, NL and Cambridge, UK. Experience R ...

Senior Data Engineer

Senior Data Engineer (Azure, Fabric) Fully Remote - Up to £70,000 + Benefits We’re supporting a leading international professional services organisation with a strong reputation in insurance, risk, and legal services as they build out a modern data capab ...

DV Cleared Software Engineer

Location: Portsmouth, UK (3 days per week onsite)Employment Type: Permanent, Full-timeSecurity Clearance: Active MoD DV Clearance RequiredSalary: £70,000 – £90,000 iO associates are seeking an experienced Senior Software Engineer to support the maintena ...

Technical Lead | High Ownership & Remote

Technical Lead (Python / TypeScript) | Product Engineer Fully Remote | High Ownership | Meaningful Equity Join a profitable, product-led startup with exceptional product-market fit, rapid growth, and backing from a select group of investors — including the former CMO of Meta. Thi ...

Platform Engineer

Platform Engineer Rate: 598 Clearance required: MOD SC (ideally needs SC in place already or SC Eligible) Location: Portsmouth (Hybrid - 2 days every other week on site, plus remote working) Overview Job Description: DevSecOps (continuous integration, automation, ...

Java Software Engineer

A prominent IT consultancy is actively searching for a talented Full Stack Engineer to join their team on a permanent basis. The ideal candidate will possess extensive experience in developing robust web applications using Java (Spring Boot), HTML, CSS, and JavaScript/TypeScript. This role offers an exciting ...

Senior Software Engineer

This role is a perm position. Clearance: DV Location: Portsmouth - 3 days a week onsite. Requirements Senior hands‑on engineer for complex maintenance and upgrade work across the primary languages and interop patterns used (e.g., Python with C/C++ bindings; MATLAB/Si ...

Principal Software Engineer – C++

Principal Software Engineer – C++ Salary: £65,000 to £85,000 negotiable depending on experience plus competitive benefits package including pension, 25 days holiday and life assurance. Location Portsmouth, Hampshire / Hybrid Our client is a rapidly growing software and d ...

Senior Software Engineer – 14718

Salary: £Please confirm competitive rate / contact us to discuss further Location: 3 days a week onsite in Portsmouth PERM ROLE Clearance: DV Requirements Senior hands-on engineer for complex maintenance and upgrade work across the primary l ...

Head of Technology & Strategy

Head of Technology & Strategy Head of Technology & Strategy - Hybrid Working from Portsmouth - MUST BE SC CLEARED!! - £130,000 (Military/Defence experience is preferred but not essential) About the Role We are seeking an experienced Head of Technology & Strategy </ ...

Head of Technology & Strategy

Head of Technology & Strategy Head of Technology & Strategy - Hybrid Working from Portsmouth - MUST BE SC CLEARED!! - £130,000 (Military/Defence experience is preferred but not essential) About the Role We are seeking an experienced Head of Technology & Strategy </ ...

Head of Technology & Strategy

Head of Technology & Strategy Head of Technology & Strategy - Hybrid Working from Portsmouth - MUST BE SC CLEARED!! - £130,000 (Military/Defence experience is preferred but not essential) About the Role We are seeking an experienced Head of Technology & Strategy </ ...

Senior Software Engineer

Senior Software Engineers (Level 1 & Level 2) Portsmouth (Hybrid – ~1 day per week in the office) Build the Future of Payments with AI at the Core HireQ Talent is partnering with a rapidly scaling international tech business entering a transformational growth phase. Already oper ...

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    Fullstack Engineer Intern React Nextjs Python Jobs in Portsmouth Job Search Guide, Trends and Insights