Senior Java Developer jobs in Southampton

Contract Java Developer Inside IR35 - Market Rates - 12m + Contacts Halian Technology are currently looking to hire several contract Java Developers for a fintech business in Hampshire. We are looking for a UK-based professionals with a strong background in Java who want to work on a greenfield build with some of the latest technologies. You will not be alone in this role this a brand new team...

We are a dynamic technology company in the Earth Observation (EO) industry with a mission to make EO data more accessible to business consumers. Our clientele spans across the globe, encompassing diverse industries such as insurance, energy, and environmental organizations. Following a successful seed round, we are transforming our company around a new SaaS business model. We are seeking a Full...

Role Overview We are seeking a Java Software Engineer to join a small, technically rigorous founding team building complex, data-intensive engineering systems. The role is remote-first, with periodic in-person collaboration in Oxford or San Francisco. The position involves close collaboration with the Founding Engineer on backend infrastructure, internal platforms, and system architecture. In...

Senior Web Developer Basingstoke – 12 days per month working from home which you can use as you wish Inside IR35 – PAYE set up only Initial 12 Month Contract A Senior Web Developer is required on an initial 12 month contract basis to be based in Basingstoke on a PAYE contract basis. The successful candidate will have the flexibility to work from home 12 days per month which you can use as...

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...

Insight Global is seeking a dynamic Senior Business Development Manager to join a global growth team and assist in leading the expansion of our market research solutions across key industries and regions. Key aspects of this role include: Market & Opportunity Development - Identify, qualify, and develop new business opportunities aligned with the clients global services and value...

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...

TimeXtender delivers secure, trusted, AI-ready data for every decision. Our metadata-first platform enables mid-sized enterprises to build future-proof data infrastructure 10x faster than traditional methods. By automating the complex layers of data ingestion, preparation, and delivery, TimeXtender provides a secure foundation for analytics and AI across cloud, hybrid, or on-prem environments....

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

Description Complexio is Foundational AI. This works to automate business activities by ingesting whole company data – both structured and unstructured – and making sense of it. Using proprietary models and algorithms Complexio forms a deep understanding of how humans are interacting and using it. Automation can then replicate and improve these actions independently. Complexio is a joint...

Senior Development Manager - Onshore Wind, Solar, Battery Storage Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project development function in 2026. This company are an IPP with a demonstrable track record in successful development,...

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...

A leading aviation analytics firm is seeking a Software Engineer to join their team in Southampton. The ideal candidate will possess strong Java development skills, knowledge in data manipulation, and experience with cloud platforms like AWS and GCP. Responsibilities include developing software functionality, conducting peer code reviews, and implementing improvements based on customer feedback....

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

Job Types: Full-time, Permanent Work Location: Remote (UK-based only) Salary: £50,000–£60,000 depending on experience About Us Asseticom is a dynamic software company specialising in asset management data capture solutions for the built environment. Our platform empowers global engineering consultancies, central government, and facilities management firms to optimise asset information through...

A well-established and rapidly growing electronics-focused engineering company , delivering advanced solutions, is seeking an experienced Software Development Manager to lead its software engineering capability. This role combines people leadership, technical oversight, and strategic development within a highly technical environment. You’ll be responsible for shaping how software is...

POSITION SUMMARY The Manager of Chair Enablement equips Vistage Chairs (CEO Coaches) with the skills, tools, and community needed to deliver exceptional value to their members and sustain high-performing practices. This leader ensures Chairs are not only successful in launching and growing their groups, but also continually deepening their mastery of the art and business of Chairing. The Manager...

Job Title: Freelance Business Development Manager (Commission Only) Location: Remote (with occasional in-person networking events) Contract Type: Freelance / Commission Only Only Qualified Candidates should apply by please send CV and a short message outlining your sales experience and motivation to [email protected]. Company Overview: BYP Network is a UK-based organization on a...

Job Title: Business Development Manager - Power Quality (STATCOM / Synchronous Condensers) Salary: £65,000 - £70,000 base + bonus + car allowance (DOE) Location: UK-wide (hybrid/remote) with travel across the UK & Europe You know the grid is changing faster than the rules can keep up. Renewable-heavy networks need more than “more generation” - they need stability: voltage held firm, power...

Company Description Imaginaire is a boutique ecommerce agency based in Nottingham, specialising in ecommerce design and development, SEO, and PPC services. Focused on Shopify and Shopify Plus platforms, we help brands across the UK create tailored, high-quality headless ecommerce solutions. The Role We’re looking for a mid-level/senior frontend developer to join our ecommerce delivery team...