senior fullstack developer jobs in Portsmouth

About Us We are a fast-growing fintech company building modern, scalable platforms that power real-world financial products. Our engineering culture values clean architecture, strong ownership, and pragmatic innovation. We operate in a cloud-native, microservices environment and invest heavily in frontend quality, design systems, and developer experience. The Role As a Lead Fullstack Engineer,...

You will contribute across the full software development life cycle, from design (UML/SysML) through development and test. Career progress includes Technical Lead, Expert, Architect, Senior Software Developer or Software Design Authority. HOW YOU WILL CONTRIBUTE TO THE TEAM Development of code within an agile environment (scrum) in line with the System Design.

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who's fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

BRAND NEW ROLE - Senior Exec Level - Marine Geo Director of Business Development - Geotechnical Engineering & Geoscience Consulting About the Company Our client are a growing offshore geotechnical services and consulting unit, focused on delivering high-quality, technically robust solutions across the offshore, nearshore, and onshore environments. While offshore geotechnical investigations...

Job Title: Senior Business Development Manager – Sponsorship Sales (B2B Tech Events) Location: Remote (UK-based) with occasional team meet-ups Salary: £60,000 - £70,000 base DOE + uncapped commission (OTE £155k–£205k+) Job Type: Full-time, Permanent About Rela8 Group At Rela8 Group, we connect the world's leading tech vendors with senior IT, Security, and Data decision-makers through...

Senior Business Development Manager – Fleet Mobility Solutions Provider £50,000 basic - £55,000 basic + £25,000 OTE Uncapped + EV Company Car If you're ready to make an impact, this is the role that puts you in the driving seat. A competitive package, a premium company car, and the chance to join a private equity-backed business on a rapid growth trajectory. Expect pace, ambition, and the kind...

You will be a hands-on player-coach, owning outreach and qualification while also helping to design the BDR/SDR process, playbooks and best practices.

You will use modern tools (HubSpot, Clay, Instantly, Lemlist, etc.) and AI to build signal-based, multi-channel plays that generate qualified meetings and pipeline across both partners and direct prospects.

Senior Ruby on Rails Developer – Remote (UK) We're working with a high growth UK-based FinTech company and looking for a strong Senior Ruby on Rails Developer to join their UK-based engineering team. What you'll need: - Strong backend Ruby on Rails experience (7+ years) - Experience working with payments is desirable. - Solid communication skills for a fully remote team. What's on...

Carrington West are assisting their local authority client based in Londonin the search for a Senior Economic Development Officer to join their team on an initial 3 month contract, then rolling. This role will lead co-ordination and delivery of key sector interventions, with a particular but not exclusive focus on how we take forward commitments in the Council's Cultural Strategy as they relate...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

You will have a sound understanding of scientific, mathematical or capability analysis techniques, and the proven ability to develop technical solutions to business problems. Candidates will require expertise in some or all of the following areas:

You will have exposure to subject matter experts and additional online learning packages.

You will provide senior-level technical input across the full project lifecycle, from asset inspections and condition assessments, through feasibility, design, and construction, to supervision of works and approval of as-built records. The role also includes mentoring junior engineers and contributing to the continuous improvement of asset management processes.

Do you want to work in Defence and on the latest technologies? Are you keen to join a leader in their field and make a difference? Come and work on some very secure accounts. Were growing our team of Platform Engineering Senior DevOps Engineers to support a very large piece of work. Youll be responsible for all aspects of our automation capabilities and should have strong problem-solving skills...

Bring more to life. Are you ready to accelerate your potential and make a real difference within life sciences, diagnostics and biotechnology?At Cytiva, one of Danaher’s 15+ operating companies, our work saves lives—and we’re all united by a shared commitment to innovate for tangible impact.You’ll thrive in a culture of belonging where you and your unique viewpoint matter. By harnessing Danaher’s...

You will undertake analysis and provide outputs to the Principal Engineers where they can provide assistance to develop designs further. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Business Development ManagerHunt. Win. Grow.This is a true new business role for someone who thrives on opening doors and closing meaningful deals.As New Business Development Manager, you’ll drive new revenue by identifying, developing and securing clients. You’ll own the full sales cycle, build a strong pipeline, and play a key role in expanding the company’s footprint and market presence.You’ll...

You will be responsible for generating new business while managing and expanding existing client relationships. The role suits a confident, customer-focused sales professional with experience selling complex B2B software solutions. Key Responsibilities: - Drive new business opportunities and achieve sales targets across software and associated services

You will influence strategy, own sector growth and share in our overall business success through our Employee Ownership Trust structure, which rewards sustained performance and contribution. Key Responsibilities - Build and execute a sector growth plan for Retail Banking, Insurance, Wealth Management, Payments or Fintech.

Job Description: SECURITY CLEARANCE: Eligibility to gain UK SC Security Clearance TRAVEL REQUIRED: Occasional travel within UK WHAT'S IN IT FOR YOU * Financial Reward: Competitive salary, annual profit share, contributory pension, share options, car leasing scheme, free onsite parking, season ticket loan, tax-free technology scheme, discounted shopping and much more * Work / Life Balance: 37...