Senior Backend Developer Jobs in London

10 of 10 Senior Backend Developer Jobs in London

Senior Backend Developer - UK (Remote)

London, United Kingdom
Hybrid / WFH Options
BLP Digital AG
re just getting started. Our HQ? Zürich's iconic Bahnhofstrasse, a fitting home for a company redefining how businesses operate. Ready to build the future? Join blp today. About Backend at BLP Digital We are a rapidly growing ETH and HSG spin-off, and our AI-enabled product revolutionises ERP automation. Our team is heavily focused on engineering, which … opportunities for those who eager to excel. Do you want to apply your skills within a collaborative team, working on complex challenges using the latest technology? Job Summary As Senior Backend Developer, you will work on our advanced web services. You are an independent and solution-oriented developer, who enjoys working on deployed client solutions under … tight deadlines. You are an expert in Go, relational databases, and like to do unit testing. You assume ownership and thrive working in a motivated team. Job Summary As Senior Backend Developer , you will work on our advanced web services. You are an independent and solution-oriented developer, who enjoys working on deployed client solutions under More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Developer (Python)

London, United Kingdom
Burns Sheehan
Senior Backend Engineer - Python AWS £80,000-100,000 + share options Private medical + GP service 25+ days holiday Paid sabbaticals Flexible working Python, AWS Central London, hybrid (1 day per week) Profitable FinTech We're partnered with a profitable, VC-backed fintech scale-up that's helping thousands of small businesses across Europe thrive. They combine … They're one of the UK's standout tech employers in the fintech space. This role offers full ownership, from project scoping to release, with the autonomy to shape backend architecture of projects with real business impact. You'll have the opportunity to take the lead on greenfield projects, define ways of working and deploy iteratively in a fast … moving, data-driven environment. Most of the codebase is in Python, however they've utilised the likes of Rust and Go in smaller pieces of work. Ideal Profile: Strong backend software engineering experience with relevance to their stack (e.g., Python, Go, Rust or any OO language etc.). Confident working with relational databases. Experience with designing relational database schemas More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Developer (Platform team) Europe

London, United Kingdom
Hybrid / WFH Options
Smartcat Platform Inc
Senior Backend Developer (Platform team) Europe About Smartcat Smartcat is building the future of work, where human expertise meets digital teammates to drive 10x to 1000x productivity gains for the world's leading enterprises. We're on the frontier of an entirely new category: Agentic AI. We enable enterprises to build high-performing hybrid workforces made up … shape the future of work with us. Join us in unlocking global potential, one human and agent team at a time. Why you should join our team As a Senior Software Engineer on our Product Platform Team (which is focused on our Product's API Gateway), you will play a pivotal role in rebuilding our product's core architecture More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Developer (f/m/d) Remote (Europe)

London, United Kingdom
Hybrid / WFH Options
Randstad (Schweiz) AG
investors Lunar Ventures and Stride VC, we are accelerating our vision to become the go-to provider for AI-driven automation solutions across the globe. About the Role As Senior Backend Developer in the Product team, you are responsible for building features and designing and implementing new endpoints. This involves diverse tasks from gathering requirements and giving … team. Our Stack And How We Work About You 5+ years working with Python and frameworks like Django, Flask, or FastAPI, with a strong command of building and optimizing backend systems. Hands-on experience with relational/SQL databases, ensuring efficient and reliable data management. Well-versed in software engineering essentials such as unit testing, CI/CD, integration More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior ML & AI Backend Developer

London, England, United Kingdom
Harnham
Senior ML & AI Backend Developer You'll lead the design and deployment of scalable backend systems powering ML, big data, and LLM-driven applications. From MLOps pipelines and big data engineering to productionizing classical ML and LLMs, you'll be at the core of AI infrastructure. Key Requirements: Expert in Python, ML/AI frameworks (PyTorch … TensorFlow, Hugging Face) Proven MLOps, big data, and backend/API development experience Deep understanding of NLP and LLMs Proficient with cloud platforms (AWS/GCP/Azure), Airflow, DBT, Docker/Kubernetes Strong collaboration, problem-solving, and coding best practices Nice to have: LLM fine-tuning, streaming data, big data warehousing, open-source contributions. More ❯
Posted:

Senior ML & AI Backend Developer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
Senior ML & AI Backend Developer You'll lead the design and deployment of scalable backend systems powering ML, big data, and LLM-driven applications. From MLOps pipelines and big data engineering to productionizing classical ML and LLMs, you'll be at the core of AI infrastructure. Key Requirements: Expert in Python, ML/AI frameworks (PyTorch … TensorFlow, Hugging Face) Proven MLOps, big data, and backend/API development experience Deep understanding of NLP and LLMs Proficient with cloud platforms (AWS/GCP/Azure), Airflow, DBT, Docker/Kubernetes Strong collaboration, problem-solving, and coding best practices Nice to have: LLM fine-tuning, streaming data, big data warehousing, open-source contributions. More ❯
Employment Type: Full-Time
Salary: £500 - £550 per day
Posted:

Senior Python Developer, Backend Developer, Flask

London, United Kingdom
Experis
k + Benefits 2 days on site in North London 3 days remote I am recruting for a talented and driven Backend Engineer to join a dynamic team, focused on the creation and deployment of innovative software solutions. As a Backend Engineer, you will work closely with cross-functional teams, including engineering, product management, design, and quality assurance … features by working alongside engineering, product management, design, and QA teams. Promote best practices : Advocate and enforce coding standards, architectural patterns, and best practices. Your in-depth knowledge of backend technologies will help guide and support your peers, ensuring high-quality code. Automation and process improvement : Increase development efficiency, reliability, and scalability by creating automated processes that streamline workflows. … with Flask, FastAPI, or similar frameworks). Expertise in designing architectures that meet scalability, reliability, and security goals. Strong problem-solving skills, particularly in product development. Solid understanding of backend best practices, coding standards, and architectural patterns. Experience in automating builds (CI/CD), feature flags, and automated testing. Bonus Skills: Experience with message-driven systems (e.g., Google Pub More ❯
Employment Type: Permanent
Salary: £70000 - £90000/annum Benefits
Posted:

Senior Backend Developer

London, United Kingdom
Hybrid / WFH Options
Vectara
mobile apps and advanced integrations with major tech brands including Instagram , Facebook and Google. Role Overview Given our exciting and progressive growth plans, we are looking for an exceptional Senior Back-End Engineer to come join our global business. Working collaboratively in a cross-functional product team within a tribe , you will beaccountable for designing and developing applications and … architecture - Knowledge of event-driven systems and tools/protocols like Kafka, and gRPC will be a plus. Experience - Have experience ( 3+ years) working on internal product engineering teams, developer tools, developer productivity or infrastructure products at scale. Adaptable - Are a generalist engineer with an ability to pick up new frameworks quickly and willing to work across the More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Backend Developer - Financials & Fraud Prevention

London, United Kingdom
Octopus Group
can help us make it happen. This Role: We're looking for someone who's passionate about code, curious, and eager to learn. You'll be working alongside the backend team that provides services for our Electroverse ecosystem in the electric vehicle and electrification space with focus on helping develop the core functionality of our business. You'll help … processing payments, analyse financial traffic and aid us in detecting suspicious activity. We're open to the level you're applying on, if you don't feel like a Senior Engineer yet, but you tick all the boxes, we'll definitely consider your application. Our project is establishing itself as the leading e-mobility provider solution within the industry More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Backend TypeScript Developer on AWS, Senior to Principal

Central London, United Kingdom
Expert Employment
Backend Typescript Software Engineer ideally with a strong Computer Science academic background required to join a cloud services development team working on an industrial workflow and process management system that enables clients to monitor and proactively manage business process’. You will join an existing application development team in a very much hands on role, the ideal candidate will More ❯
Employment Type: Permanent
Salary: £80000 - £120000/annum Full Package
Posted:
Senior Backend Developer
London
10th Percentile
£57,500
25th Percentile
£75,000
Median
£80,000
75th Percentile
£85,000
90th Percentile
£87,500