Overview
We are looking for a Software Developer Back End to join one of the M+C Saatchi Group\'s specialist divisions, M+C Saatchi World Services. This division partners with governments, civil society, foundations, academia, and the private sector, to work on the critical issues of our time, including the climate emergency, national security, social justice, conflict prevention, and sustainable development. We provide a fully integrated, end to end service, combining multi-discipline communications teams with subject matter experts, across the world. Our work is domestic and global, often affecting the most vulnerable in society, with international activity orientated towards conflict affected or developing countries.
This full-time role is based in the London office on a hybrid basis.
About the Role
We\'re looking for a Back End Developer to design and operate scalable APIs and data systems on AWS. You’ll lead a small team of engineers delivering customer-facing APIs and robust ETL data ingestion pipelines.
Responsibilities
* Design, build, and operate Python/FastAPI-based API services deployed on AWS ECS
* Develop and optimize ETL pipelines and automation workflows for reliable data ingestion
* Own API design, performance optimization, security, and observability
* Provide technical leadership and mentorship; coordinate delivery with product and data teams
* Ensure best practices in CI/CD, infrastructure-as-code, and containerized deployments
About You
Requirements:
* Strong experience with Python and production FastAPI services
* Proficient in SQL (schema design, query performance tuning)
* Familiar with data science tools such as Pandas, NumPy, and Jupyter
* Hands-on expertise with AWS services: Lambda, ECS, S3, RDS/DynamoDB, IAM
* Experience building customer-facing REST APIs and data ingestion pipelines
* Demonstrated leadership and mentoring ability in small engineering teams
* Practical experience with CI/CD, Infrastructure as Code, Airflow/dbt, and Docker containerization
Technical Skills
* Programming & Frameworks: Python, FastAPI
* Databases & SQL: Schema design, query optimization, RDS, DynamoDB
* Data Engineering: ETL pipeline development, workflow automation, Airflow, dbt
* Data Science Tools: Pandas, NumPy, Jupyter
* Cloud & Infrastructure (AWS): ECS, Lambda, S3, RDS, DynamoDB, IAM
* DevOps & CI/CD: Infrastructure as Code (e.g., Terraform/CloudFormation), CI/CD pipelines, Docker containerization
* APIs: REST API design, performance optimization, security, observability
* Team Leadership: Technical mentoring, delivery coordination with product/data partners
Applications
Applications close: Wednesday 22 October 2025. No Recruiters.
What We Offer
A competitive salary and benefits package that includes 27 days holiday per year, pension contributions, private healthcare, discounted dental insurance, enhanced maternity/parental leave, plus a whole host of others including:
* Cultural stimulation allowance - £250 per person per year
* Half days off before bank holidays
* Emergency care days for dependants
* Up to 5 days volunteering leave per year to work for a registered charity
* Up to 10 days special emergency leave per year
* Season Ticket loan
* Payroll Giving Scheme
* Thursday drinks to unwind and socialize
* An annual Summer and Christmas party
* Our commitment to Diversity and Inclusion sees us offer inclusive bank holidays
We also offer learning opportunities around D&I, targeted mentoring programmes and the opportunity to participate in several active Employee Led Networks and associated events. Finally, this role will be supported with all the necessary personal development required to set someone up for success.
M+C SAATCHI GROUP has pledged its commitment to create a company that values difference, with an inclusive culture. As part of this, M+C Saatchi Group continues to be an Equal Opportunity Employer which does not and shall not discriminate, celebrates diversity and bases all hiring and promotion decisions solely on merit, without regard for any personal characteristics.
All employee and candidate information is kept confidential according to General Data Protection Regulation (GDPR).
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