Backend Engineer

SLR Consulting; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

SLR Consulting, a global leader in Sustainability Solutions, is seeking a Backend Engineer located in London, UK. The role involves implementing APIs and backend systems using Django and FastAPI, emphasizing sustainability.

The ideal candidate will have a degree in a related field, along with strong skills in Python and experience with AWS services and Docker. SLR is committed to creating a collaborative environment for professional growth.

Qualifications

• Demonstrated experience developing and maintaining production-level code.
• Hands-on experience working with relational databases and Django ORM.
• Good understanding of software engineering best practices.

Responsibilities

• Build and scale the core application using Django and Django REST Framework.
• Create robust APIs to handle financial, climate, and ESG data.
• Work closely with stakeholders in an agile environment.

Skills

Python

Django

Django REST Framework

FastAPI

Pydantic

SQL

AWS Services

Docker

Education

Degree in computer science, engineering, mathematics, or related field

Tools

Relational databases

CI/CD pipelines

GitHub actions

Job description

## Backend EngineerApplyremote type: Hybridlocations: London, UKtime type: Full timeposted on: Posted Todaytime left to apply: End Date: July 11, 2026 (10 days left to apply)job requisition id: JR101613This role will focus on implementing APIs and backend systems for new features to the platform.**What this role will do:** • Build, enhance, and scale the core application using Django and Django REST Framework, while developing and maintaining microservices with FastAPI and Pydantic to support new features and APIs. • Create robust, high-performance APIs to handle financial, climate, and ESG data, ensuring seamless integration with frontend systems and advanced economic models. • Work closely with climate risk modeling team and other stakeholders in an agile environment to bring analytical approaches and features into production, ensuring alignment with business goals. • Apply technical standards, conduct code reviews, and incorporate new knowledge and innovations into the existing codebase to continuously improve system performance and reliability.**Skills required:** • Degree in computer science, engineering, mathematics, quantitative methods or related field. • Demonstrated experience developing and maintaining production-level code. • Proficient in Python, with a focus on writing clean, efficient, and production-ready code. • Experience building enterprise application using Django, Django REST Framework, FastAPI and Pydantic. • Hands-on experience working with relational databases, SQL and Django ORM. • Experience in working with microservice architectures and distributed systems. • Working knowledge of AWS Services such as EKS, RDS, Lambda, S3, DynamoDB, ElasticCache, SQS, AWS Batch and S3. • Experience in containerisation (e.g. Docker), shell scripting, CI/CD pipelines, including GitHub actions. • Good understanding of software engineering best practices throughout the development lifecycle, including Agile methodologies, coding standards, peer code reviews, version control, build processes, testing, and deployment. • Excellent written and verbal communication skills.Commitment to create positive environmental value for our clients across sectors, helping them shape the future of their sustainability transition **About us** SLR are global leaders in Sustainability Solutions, helping our clients achieve their sustainability goals. We are a consultancy with 4500+ employees across 6 regions in over 125 countries. Our ‘one team’ culture is at the heart of our business, providing a collaborative and supportive environment for professional development.**Culture & Inclusion at SLR**We are committed to being an equal opportunities employer, and our expectations go beyond purely complying with legislation. Through our Regional C&I Committees, Global Council and Employee Networks, we foster an inclusive environment where all people regardless of their background can thrive.We welcome applications from all individuals, regardless of their background, including those from groups that are currently under-represented at SLR, such as people identifying as 2SLGBTQI+, Indigenous peoples, ethnic minority groups, women, and people with visible or invisible disabilities, including those who are neurodivergent.