Ecolab are on the lookout for a proactive and technically skilled API Developer to help drive automation across our UKIE operations. Your mission? To simplify and streamline how work orders are closed by our field teams—making life easier for both our people and our customers.
This is a hands-on role where you’ll collaborate with internal teams and customer technical stakeholders to design secure, scalable API solutions that align with our business goals. If you enjoy solving problems with clean, efficient code—and you’re comfortable navigating both technical and business conversations—this could be the perfect fit.

What You’ll Be Doing

• Designing, building, and maintaining secure APIs to automate operational workflows, especially around work order management
• Partnering with internal teams (Field Operations, Digital, and Functional) and external customer technical teams to gather requirements and deliver integration solutions
• Ensuring all APIs meet security and compliance standards, working closely with IT security
• Troubleshooting and resolving integration issues to keep operations running smoothly
• Creating clear documentation for APIs, workflows, and integration guides
• Contributing to wider automation and digital transformation initiatives across the business

What You’ll Bring

• Strong experience in API development using C# and MSSQL
• Solid understanding of RESTful API design, integration patterns, and best practices
• Proven ability to engage with technical stakeholders and explain complex solutions clearly
• Familiarity with IT security principles and secure development environments
• Excellent communication and documentation skills in English
• Experience working in Agile development environments

Desirable skills and experience

• Experience with PHP and JavaScript
• Familiarity with Power BI development
• Knowledge of field service or work order management systems
• Exposure to automation platforms or workflow orchestration tools
• French language skills

Why Join Us?
You’ll be part of a forward-thinking team that’s passionate about using technology to make a real impact. We value initiative, collaboration, and continuous improvement—and we’re excited to welcome someone who shares that mindset.

What’s in it for you?

• Competitive salary
• 25 days holiday plus 8 days Bank Holiday
• 4% Flexible Benefits. A wide range of benefits (extended to families) or to be used as salary increase
• Pension and 4 x annual salary Life Assurance benefits
• Opportunity to purchase company shares
• A long-term career within a business that recognises the talent to progress, inclusive of global opportunities

We welcome applications from people fleeing the situation in Ukraine. If you have the required skills and your status gives you eligibility to work in the country of this job, please apply, and select that you have the right to work, and will not require sponsorship.
Our Commitment to Diversity and Inclusion
At Ecolab, we believe the best teams are diverse and inclusive, and we are on a journey to create a workplace where every associate can grow and achieve their best. We are committed to fair and equal treatment of associates and applicants. We recruit, hire, promote, transfer and provide opportunities for advancement on the basis of individual qualifications and job performance. In all matters affecting employment, compensation, benefits, working conditions, and opportunities for advancement, we will not discriminate against any associate or applicant for employment because of race, religion, colour, creed, national origin, citizenship status, sex, sexual orientation, gender identity and expressions, genetic information, marital status, age, disability, or status as a covered veteran.
In addition, we are committed to furthering the principles of Equal Employment Opportunity (EEO) through Affirmative Action (AA). Our goal is to fully utilize minority, female, disabled and covered veteran individuals at all levels of the workforce. Ecolab is a place where you can grow your career, own your future and impact what matters.

• Designing, building, and maintaining secure APIs to automate operational workflows, especially around work order management
• Partnering with internal teams (Field Operations, Digital, and Functional) and external customer technical teams to gather requirements and deliver integration solutions
• Ensuring all APIs meet security and compliance standards, working closely with IT security
• Troubleshooting and resolving integration issues to keep operations running smoothly
• Creating clear documentation for APIs, workflows, and integration guides
• Contributing to wider automation and digital transformation initiatives across the busines