Software Developer

Southern Water; Falmer; Hybrid; GBP 65,000 - 75,000; Full time

Job summary

A leading water services company in the UK is seeking a Software / Geospatial Developer to contribute to their Rivers and Seas Watch initiative. This role requires both front-end and back-end software development skills, alongside proficiency in low-code platforms like ESRI ArcGIS Online. The developer will work in a multidisciplinary team to create scalable and user-centric digital services aimed at enhancing environmental transparency. This position offers a competitive salary package and a hybrid work model.

Qualifications

• Proven experience in full-stack software development.
• Advanced proficiency in modern front-end frameworks.
• Solid expertise in back-end development and databases.

Responsibilities

• Lead the design and implementation of software solutions.
• Champion engineering excellence with coding standards.
• Collaborate with cross-functional teams on technical deliverables.

Skills

Full-stack software development

Front-end frameworks (React, Angular)

Back-end development (Node.js, Python, .NET)

Relational databases (SQL)

Cloud platforms (Azure)

Agile practices

Tools

FME

ESRI ArcGIS Online

Job description

Closing Date

2026-02-20

Job Title: Software / Geospatial Developer

Location: Durrington or Falmer (hybrid with needs-based time in the office)

Contract Type: Permanent

Hours: 37, Monday to Friday

Salary: circa £70,000 depending on skills and experience

Storm overflows are not acceptable to us, our customers and stakeholders. We want to lead the charge in resolving the current situation. That’s where our Clean Rivers and Seas Task Force comes in, implementing pioneering and industry‑leading solutions to reduce spills and reliance on overflows, whilst also enhancing the environment for our communities. While the team is delivering a £1.5 billion programme over the next 10 years, it is vital we keep our customers informed on progress and provide accurate and transparent data. We do this through our service called Rivers and Seas Watch.

About the role

As a Software / Geospatial Developer you will be a key technical contributor to the development of Rivers and Seas Watch, a flagship digital product that transparently reports on storm overflows and water quality. You’ll bring deep expertise across front‑end and back‑end technologies while also working extensively with low‑code and no‑code platforms such as ESRI ArcGIS Online and FME to deliver geospatial and data integration solutions. ESRI and FME form a core part of our current technical stack, and proficiency or willingness to learn them is essential to architect, build, and evolve customer‑facing digital services that support our environmental mission.

What you will be responsible for

You’ll work within a multidisciplinary team of product owners, designers, researchers, and technical SMEs, driving forward the design and delivery of scalable, secure, and user‑centric solutions. This role offers autonomy to influence over technical direction, with opportunities to shape best practices and mentor others.

• Lead the design and implementation of robust software solutions for Rivers and Seas Watch, ensuring scalability, performance, and maintainability.
• Champion engineering excellence through coding standards, peer reviews, automated testing, and comprehensive documentation.
• Solve complex technical challenges with creativity and pragmatism, delivering high‑impact solutions aligned with business and user needs.
• Collaborate closely with cross‑functional teams to translate strategic goals into technical deliverables.
• Stay ahead of emerging technologies and development trends, continuously enhancing your skillset and contributing to Southern Water’s innovation culture.
• Operate within Southern Water’s IT governance and regulatory frameworks, ensuring compliance and resilience.

What you’ll bring to the role

• Proven experience in full‑stack software development, with a strong portfolio of impactful projects.
• Advanced proficiency in modern front‑end frameworks (e.g. React, Angular), with good knowledge of TypeScript.
• Solid expertise in back‑end development (e.g., Node.js, Python, .NET) and relational databases (e.g., SQL).
• Experience with cloud platforms (we use Azure) and modern DevOps practices.
• Experience with low‑code/no‑code geospatial tools such as FME and ESRI AGOL SDK is highly relevant, as these platforms are central to our current delivery approach.
• Comfortable working in Agile environments, with a strong understanding of iterative delivery and stakeholder engagement.
• Experience in regulated or large‑scale enterprise environments is beneficial.

Transparency Note

While this role includes traditional software development, a significant portion of the work involves configuring and integrating solutions using low‑code/no‑code platforms. We value developers who can combine coding expertise with adaptability to these tools. Full training on FME and ESRI will be provided if required.

Southern Water is at the forefront of transforming Britain’s water industry, investing significantly to enhance resilience, sustainability, and service excellence. With £7.8 bn planned investment for 2025‑30, this is an unparalleled opportunity to join a business committed to delivering a generational shift in the way water services are managed.

You will be joining at a time of significant change, working alongside a highly skilled leadership team with a clear vision for the future. We offer an environment where senior professionals can make a meaningful impact, influence major strategic decisions, and drive long‑term value creation.

At Southern Water, we believe diverse perspectives drive innovation. If you’re passionate about making a positive impact and think you can bring value to our team, we’d love to hear from you—even if you don’t tick every box. Your unique skills and experiences could be exactly what we need.

If this role isn’t quite what you’re looking for but are keen to be contacted about at Southern Water, you can register your details here: Introduce Yourself myworkdaysite.com- Introduce Yourself

Our Commitment to Diversity

We welcome applicants from all backgrounds, identities, and experiences. We do not discriminate based on race, ethnicity, gender, sexual orientation, age, disability, religion, or any other protected characteristic. If you need reasonable adjustments during the recruitment process, please let us know.