messaging engineer jobs in Southampton

You will own the engineering vision and execution of Keepnet’s core platform, operating across the UK, EU, US, UAE, and Canada, supported by distributed offshore and nearshore teams.

You will not be expected to do everything yourself. Success in this role will be measured by platform reliability, delivery predictability, team health, and customer impact.

Senior Backend Engineer | Fully Remote UK | £70,000-£75,000 | Python | Django | AWS Location: Fully Remote - Candidates MUST be UK based Salary: £70,000-£75,000 + benefits Tech Stack: - Backend: Python (Django) - Frontend: React - Cloud Systems: AWS, Docker Are you a Senior Backend Engineer who enjoys taking ownership of real production systems and shaping how a platform evolves as it...

You will design and build APIs that enable products, partners and AI services to work together, including: Building RESTful APIs using C# .

You will likely bring: Strong experience building backend services in C# .

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

You should be comfortable with most of our core technologies:

Founding Sales Engineer High-Growth Cyber Security Startup 📍 Location: United Kingdom (Remote) 💰 Compensation: £80,000 - £85,000 Base, + Bonus (Uncapped) + Strong Equity We’re hiring a Founding Sales Engineer to join a rapidly growing cybersecurity organisation and play a critical role in how customers evaluate, adopt, and succeed with a modern security platform. This role sits at the...

🚨 CONTRACT OPENINGS – Middle Wallop - Apply ASAP🚨 I’m looking for experienced Aircraft Mechanic Supervisors and Avionics Technicians to join a major rotary programme. If you're an experienced Aircraft Mechanic Supervisor or Avionics Technician, ideally with experience on Chinook or Apache aircrafts, I'm looking to speak to you for the roles below- 📌 Roles Available (all-in rates): 6 x...

REMOTE 24/7 SOC Analyst | UK-Based Frontline cyber defence. Real incidents. Real progression. Looking to build (or accelerate) your SOC career without commuting? This is a fully remote 24/7 SOC Analyst role within a modern, analyst-led Security Operations Centre supporting diverse customer environments across the UK & Europe. You’ll be hands-on with live incidents, real attackers, and...

Job Description Mecahnical / Fabrication Estimator – Mechanical Engineering & Fabrication Southampton | £40,000–£45,000 + benefits I’m recruiting for a long-established mechanical engineering business in Southampton that delivers complex fabrication projects across petrochemical, oil & gas, utility sectors. They’re busy, growing, and need a Lead Fabrication Estimator who genuinely knows their...

Head Regulatory AI / Software as a Medical Device (SaMD) UK-based | Remote A high-growth healthcare Digital Health company with large-scale real-world deployments across the UK and US is hiring a Head of Regulatory to lead global regulatory and quality strategy. The Role You’ll own the global regulatory roadmap across UK, EU, US and emerging markets, combining strategic leadership with...

You will be responsible for building and optimizing campaigns, landing pages, and funnels that drive measurable outcomes: SQLs, customers, and revenue.

You will operate with a high degree of autonomy, manage paid budgets directly, and use data and experimentation to continuously improve performance.

Head of Sales — B2B Procurement SaaS (Fully Remote, UK / Europe) Competitive salary + Uncapped commission + Equity About DeepStream We’re a fast-growing, post–Series A procurement SaaS company on a mission to make our customers the benchmark for eSourcing value realisation within the industry. Our AI-enhanced, best-of-breed eSourcing platform streamlines, automates, and standardises key...

Mecahnical / Fabrication Estimator – Mechanical Engineering & Fabrication Southampton | £40,000–£45,000 + benefits I’m recruiting for a long-established mechanical engineering business in Southampton that delivers complex fabrication projects across petrochemical, oil & gas, utility sectors. They’re busy, growing, and need a Lead Fabrication Estimator who genuinely knows their way around...

Role Purpose The Vertical Sales Manager will be responsible for establishing, leading, and growing a new Aerospace & Defence sales vertical within an established UK-based industrial automation solutions provider. This is a development led sales role suited to an individual with vast experience in the aerospace and defence sector who can bring market knowledge, relationships, and credibility to...

Technical Co-Founder / CTO – Health-Tech & Sports Performance I’m looking to bring on a Technical Co-Founder / CTO to help build EXRT, a health & sports-tech startup focused on ECG-driven physiological and performance analytics for athletes and teams. EXRT’s direction is now clearly defined following practitioner-led validation and recent angel funding, with a larger upcoming raise planned once...

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.

Global University Systems is building a modern AI platform to power how our universities recruit, teach, support, and serve students. The Director of AI will lead this transformation, turning promising ideas into production-grade AI solutions that create real value for students and staff. This role owns the AI roadmap end-to-end: from identifying high-impact use cases, to running rapid...

Job Description Are you ready to make an impact on the UK's energy and utilities infrastructure? We're looking for a Consents Advisor who thrives on navigating land rights, compulsory purchase orders (CPOs), and stakeholder negotiations to keep critical projects moving. Why this role matters You'll be at the heart of major energy infrastructure delivery, ensuring regulatory approvals, land...

You will be able to demonstrate that you're continuously able to develop and adapt in a fast-paced and constantly changing environment and are receptive to all feedback. - You are a team player, with the ability to work effectively with colleagues across different departments.

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...