City of London, Greater London, UK Hybrid / WFH Options
X4 Technology
Contract Python Developer (Commodities) 8+ years of software engineering experience, with 4-6 years of professional Python development Strong experience building RESTful APIs and working with frameworks such as Django, Flask, or FastAPI Familiarity with containerisation (Docker), CI/CD pipelines, and infrastructure-as-code tools Exposure to cloud platforms (preferably AWS or Azure) and data engineering workflows Proficiency in More ❯
and relish in receiving their feedback. A strong communicator is needed here. The tech: You will be competent in the following technical areas: -Python (incl. FastAPI and/or Django) and other backend languages (Rust, Ruby, Go etc.) -Frontend (React, Typescript) -APIs (design, development and standards) -Database (design, performance optimisation and for scale) -Infrastructure (CI/CD pipelines, cloud) The More ❯
that interface with LLMs RAG pipelines/conversational (Chatbot assistants) Containerised deployments, CI/CD, and MLOps workflows Scalable APIs and microservices What they're looking for: Deep Python (Django/Flask) engineering experience (ideally 5-years) Hands-on use of LLMs and GenAI (importantly in production 1+ years) Familiarity with MLOps and MLOps tooling Exposure to either of the More ❯
City of London, Greater London, UK Hybrid / WFH Options
Areti Group | B Corp
used by thousands across secure environments. Ship modern TypeScript apps with React (Vite/Material-UI) and backends in Node.js/Express (bonus: C#/.NET or Python/Django ). Design and document clean REST/JSON interfaces; test with Postman and automate regression suites. Own CI/CD pipelines and Docker -based runtime on AWS ; Infrastructure-as-Code … to meet operational and compliance requirements. The toolkit youll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu/Linux, AWS , Serverless, CDK/CDKTF , Ansible Quality & Analytics: Postman API, testing … or DV (must be current). Nice-to-haves Military background (RAF/Army/Navy) or delivery in defence, aerospace, or government . C#/.NET , Python/Django , Material-UI , Vite , PostgreSQL tuning. GenAI/LLM experience (e.g., AWS Bedrock , prompts/guardrails, retrieval). Integrations with hardware/peripherals (kiosks, scanners, IoT). Knowledge of secure networked More ❯
the product Take ownership of your workstreams while receiving mentorship from experienced data scientists Help support and shape infrastructure for scalable ML deployment, working alongside backend engineers (Python/Django/Go) What Were Looking For 24 years of hands-on experience in Data Science or Machine Learning roles A degree (Masters or strong Bachelors) in a relevant field such More ❯
embed machine learning solutions into the core product Provide technical leadership and mentorship to junior and mid-level data scientists Influence data architecture and support backend infrastructure (Python/Django/Go) for scalable ML deployment Play a strategic role in shaping the future direction of data science within the business What Were Looking For 4+ years of experience in More ❯
Principal Engineer Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK 160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading fintech scale-up thats transforming how small businesses access finance. Backed by a strong track record … into scalable, value-driven solutions. A collaborative leader who has mentored teams and influenced product direction. Experience working with complex domain models and evolving codebases. Bonus skills include : Python, Django, PostgreSQL, event-driven data systems, machine learning familiarity and frontend awareness. If you're a Principal Engineer looking to combine hands-on technical leadership with real strategic influence in a … for a chat. Principal Engineer Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK 160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning More ❯
for ingesting and transforming data from a variety of sources, particularly APIs Creating and optimising data architectures to ensure efficient data storage, processing, and retrieval Supporting backend integrations (Python, Django) to ensure clean interfacing between data systems and applications Collaborating with stakeholders across Data Science, Product, Ops, and Commercial to shape data models that meet the needs of a growing … and warehousing best practices Comfort working with cloud platforms (AWS, Azure) and infrastructure tools (e.g. Terraform, SageMaker) Willingness to gain intermediate-level backend development skills (especially with Python/Django) Bonus: experience with data lakes, CI/CD, and data quality/versioning tools If this role interests you and you would like to find out more (or find out More ❯
Senior Backend Engineer (Python/Django) ClimateTech Start-up | London Bridge | 3 days onsite 8595k + early-stage equity Tired of being just another engineer? Heres your chance to be the third backend hire at a fast-growing ClimateTech start-up making a real dent in global carbon emissions. At Minimum , youll: Solve hard technical challenges from scaling data platforms … up shipping fast, making decisions that matter, and helping shape the product See direct impact your code helps global organisations decarbonise What youll bring: 510 years with Python (ideally Django) Strong problem-solving & system design skills Start up mindset fast, collaborative, comfortable with ambiguity Passion for clean tech + building meaningful products Why join? 8595k + early-stage equity More ❯
