Back End Developer

I am pleased to represent a forward-thinking green tech ESG practice, collaborating with FTSE100 clients to deliver Energy & ESG as a Service who are looking for an experienced Back End Developer & Data Analyst to their team. Their solutions empower organizations to measure and optimize emissions, consumption, and spend, using cutting-edge software and data-driven insights. They are a Manchester based organisation, with offices in central Manchester. The role is split 70% back end development, 30% data analysis.

You will be local to Manchester and travel into the office once a week.

You will have fluency in English.

The Opportunity

You will join their Technology & Data Sciences Teams, offering flexible, fast-paced work and the chance to collaborate with passionate visionaries. You’ll work closely with IT, Data Science, Energy Markets, Infrastructure, and Procurement teams, supporting software development and operational data processing while exceeding client expectations

Key Responsibilities

• Design, build, and maintain reliable, secure, and maintainable backend services (REST APIs, integrations, internal services)
• Work with SQL Server and MySQL databases, optimizing queries and improving schema design
• Develop data-informed backend features: event tracking, audit logs, analytics-ready structures, and robust reporting endpoints
• Write high-quality, well-tested code with clear documentation
• Support monthly reporting processes, including data imports, client liaison, and issue resolution
• Enhance observability (logging, metrics, tracing) and support incident response
• Drive improvements in working practices and contribute to agile planning, innovation, and sprints

What We’re Looking For

• Commercial experience building backend applications using transactional SQL and Python or PHP
• Solid software engineering fundamentals (clean code, SOLID principles, pragmatic design patterns)
• Experience with CI/CD pipelines and GIT
• Advanced SQL skills, including query optimization and data modeling (time series, regression)
• Familiarity with analytics concepts, data quality checks, and reporting
• Experience with Excel and Power BI
• Security-aware engineering mindset and experience with observability and production support
• Bonus: Experience with event streaming (Kafka, MQTT), cloud platforms (Azure/AWS/GCP), infrastructure as code, regulated environments, or blockchain integration

What Success Looks Like

• Confidently running and delivering monthly reports to clients
• Deep understanding of the company’s domain, data flows, and service architecture
• Delivering meaningful backend improvements and strengthening quality through testing, monitoring, and documentation

This client will offer a competitive annual salary, great benefits including pension, private healthcare, enhanced maternity and holidays.

The client is a proud BCorp, who are committed to fostering a diverse, equitable, and inclusive workplace where all individuals feel valued, respected, and empowered to thrive. Their recruitment process is guided by the principles of fairness, transparency, and equal opportunity, ensuring that every candidate is evaluated based on their skills, experience, and potential-free from bias or discrimination.

We recognize that diverse teams drive innovation, strengthen performance, and better reflect the communities we serve. Therefore, we actively seek to attract, engage, and hire individuals from a wide range of backgrounds, perspectives, and experiences. Our hiring practices are continuously reviewed and refined to reduce barriers, promote inclusive outreach, and support equitable decision-making at every stage.

They are committed to:

Building diverse talent pipelines

by expanding outreach and partnering with organizations that represent underrepresented groups.

Ensuring inclusive job descriptions

and interview practices that welcome applicants from all identities and walks of life.

Providing bias-awareness training

for hiring teams to promote equitable evaluations and decisions.

Monitoring and analysing hiring data

to hold ourselves accountable and drive continuous improvement.

This commitment is more than a statement-it is an active, ongoing effort to create a workplace where diversity is celebrated, equity is embedded, and inclusion is a lived experience for all.

You will have fluency in English., * Commercial experience building backend applications using transactional SQL and Python or PHP

• Solid software engineering fundamentals (clean code, SOLID principles, pragmatic design patterns)
• Experience with CI/CD pipelines and GIT
• Advanced SQL skills, including query optimization and data modeling (time series, regression)
• Familiarity with analytics concepts, data quality checks, and reporting
• Experience with Excel and Power BI
• Security-aware engineering mindset and experience with observability and production support
• Bonus: Experience with event streaming (Kafka, MQTT), cloud platforms (Azure/AWS/GCP), infrastructure as code, regulated environments, or blockchain integration

What Success Looks Like

• Confidently running and delivering monthly reports to clients
• Deep understanding of the company’s domain, data flows, and service architecture
• Delivering meaningful backend improvements and strengthening quality through testing, monitoring, and documentation

This client will offer a competitive annual salary, great benefits including pension, private healthcare, enhanced maternity and holidays.

The client is a proud BCorp, who are committed to fostering a diverse, equitable, and inclusive workplace where all individuals feel valued, respected, and empowered to thrive. Their recruitment process is guided by the principles of fairness, transparency, and equal opportunity, ensuring that every candidate is evaluated based on their skills, experience, and potential-free from bias or discrimination.

We recognize that diverse teams drive innovation, strengthen performance, and better reflect the communities we serve. Therefore, we actively seek to attract, engage, and hire individuals from a wide range of backgrounds, perspectives, and experiences. Our hiring practices are continuously reviewed and refined to reduce barriers, promote inclusive outreach, and support equitable decision-making at every stage.

They are committed to