senior mainframe developer jobs in Chester

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,...

We're the #1 symptom tracker on iOS and Android and looking for a senior react native developer to help continue our growth 🚀 📌 The basics - React Native developer (5y+ experience) - £70,000 base salary - Make a genuine difference to the lives of people with health conditions - Work with a lovely bunch of people - Fully remote, full-time position - Based in the UK or EU If this sounds like...

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...

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...

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...

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.

🚀 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...

You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next. js-based codebase (including a CMS). This is a great opportunity for the right person to take on a challenging and broad role. Homeflow is operating on a fully remote basis but occasional travel will be required for our company meet ups (bi-annually at most in the UK).

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...

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...

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

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...

Due to growth, this client is looking for an Embedded Software Engineer skilled in C++, to join their Software Development team! The role of Embedded Software Engineer will be responsible for maintenance and quality. This role sits within a multi-functional team of software engineers, but you will be the sole engineer focusing on systems reliability of their products. The Embedded Software...

You will take ownership of an established NHS customer base, working with procurement and clinical stakeholders to maintain service levels and identify growth opportunities. The role combines account development, stakeholder engagement, and effective territory management within NHS frameworks.

You will leverage value-based selling and industry expertise to position Redslim as the leading data solutions provider. Your Key Responsibilities 🔹 Business Development & Sales Strategy – Identify new opportunities, pitch high-value solutions, and expand Redslim’s presence.

You will support both your own territory and the wider commercial team to drive growth across product, local, regional, and national levels. With a strong focus on internal and external engagement, you will champion new initiatives, lead projects from ideation through to commercialisation, and play a key role in identifying and executing new market opportunities.

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. In all...

Business Development Manager – CRO (Europe-focused) We have recently partnered with a full-service Contract Research Organisation that is looking to appoint a Director of Business Development to play a key role in driving its next phase of growth. This is a high-impact opportunity for a commercially driven BD professional who wants to step into a visible, strategic role with clear progression...

New Vision Display (NVD), a global manufacturer of small to mid-sized touchscreen display components for some of the world’s leading brands, is hiring a full time Sales & Business Development Manager (BDM) to drive business growth across Europe. Supply chain members or end customer markets could be located in Europe or elsewhere. NVD’s expertise includes passive and active-matrix liquid crystal...

ABOUT SIMA SIMA is a high-growth next-generation impact investment manager, known for creating innovative impact investment funds with deep impact. We have to date raised over $400 million in the solar, microfinance and clean cooking sectors, with leading public and private sector impact investors, and currently are raising an additional $400 million fund. Our headquarters is in the US and we...