75,822+ Python Developer Cloudnative Aws Serverless Jobs in UK — Top Companies Hiring June 2026

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GenAI & LLM Systems Lead — Production AI Architect

JPMorganChase seeks an Applied AI ML Lead to drive engineering for agentic and GenAI capabilities within the LLM Suite. You will design production-grade solutions, enhance architecture, and collaborate with engineers for operational stability. Candidates should hold a degree in Computer Science or equivalent, wi ...

Backend Engineer II — High Scale Distributed Systems (Equity)

Software Careers is seeking a Software Engineer II in London to take ownership of high-scale backend infrastructure. This role involves working with distributed systems processing over 1 trillion queries daily and solving complex algorithmic challenges. Ideal candidates should have proficiency in C#, Java, C++, ...

Senior Consulting Engineer Cloud & Architecture Expert

Java Script Works is seeking a Senior Consulting Engineer to work in London, United Kingdom. The role involves collaborating with a team, engaging in pair programming, and applying strong architectural principles. This position requires proficiency in multiple programming languages, including Java, Python, Node. ...

Platform Test Lead: Cloud Automation & QA

A UK government department is looking for a Test Lead to oversee the testing strategy of its AWS-based digital platform. This position involves developing automated test frameworks, collaborating closely with cross-functional teams, and mentoring engineering staff. Candidates must have proven test automation exp ...

Palantir Ready Cloud Data Engineer | AWS/GCP ETL

A leading consulting firm in the UK seeks a Cloud Data Engineer to join its Data & AI practice. The role involves analyzing large-scale data, developing ETL mechanisms, and contributing to data management standards. Candidates should have strong skills in Palantir, Python, and cloud technologies like AWS or GCP. ...

C++ Engineer Platform Engineering

Job Title C++ Engineer - Platform Engineering at Spotify Overview The CI Experience squad owns the client continuous integration (CI) infrastructure at Spotify. Our mission is to ensure smooth, reliable, and fast integration of code changes across all client repositories. We pro ...

C++ Developer FX eTrading London in London Ascendion

C++ Developer - FX eTrading - London London, United Kingdom Posted 9 months ago Tech stack Databases C Bash Python Perl Scripting Trading SQL Time series databases Requ ...

Go Software Developer HFT in London Quant Capital

Go Software Developer - HFT London, United Kingdom Posted about 1 year ago This is a job posted by our partner Jooble. Tech stack Linux C TCP/IP Go Python Debian Essential Attributes < ...

Senior Software Engineer (Associate) in London BlackRock

Senior Software Engineer (Associate) London, UnitedKingdom Posted 10 months ago This is a job posted by our partner Jooble Tech stack Software Engineer PostgreSQL Amazon AWS Full-stack JavaScript C Bel ...

HPC Engineer

Overview Are you passionate about high performance computing, AI infrastructure, AWS, and Linux? If so, this is the environment for you. Join one of the world’s leading Research companies to help shape the future of research technology. You will be part of a brand new research computing t ...

Machine Learning Engineer Intelligence Group

About Smartnumbers We are on a mission to stop fraud and improve customer authentication. Fraud is a huge problem affecting millions of people, it costs the UK nearly £7bn and represents 40% of all crime. Too often the solution has been to put in place cumbersome authentication processes that frus ...

Software Engineer III (Java / Spring)

## .**Software Engineer III (Java / Spring)****About the team:**Our team is dedicated to unlocking the rich knowledge embedded within Elsevier’s content through our semantic data platform; this empowers researchers, clinicians, and innovators worldwide to gain new insights, make informed decisions, and accelerat ...

Senior Delivery Consultant Modernisation, Professional Services

Description The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Sr. Delivery Consultant to join our team at Amazon Web Services (AWS). In this role, you'll work closely with customers to design, implement, and manage AWS solutions that meet their technical requireme ...

Lead Salesforce Developer Salesforce Visualforce API APEX LWS LWC (Lead I Enterprise Solutions)

Location: NottinghamEmployment Type: Permanent About The Role We’re looking for a Lead Salesforce Developer to join our dynamic team and play a key role in the design, development, and deployment of scalable Salesforce applications. As a Developer, you'll bring your deep expertise in ...

Full Stack Developer / Java Developer / Software Engineer

Full Stack Developer – Overview Join us at Barclays as a Full Stack Developer, where you’ll support the delivery of scalable, resilient applications as part of our strategic technology transformation. You’ll play a key role in modernising platforms, contributing to risk and control objectives, an ...

SDET (On Site)

SDET (Software Development Engineer in Test) profile, in short, we are looking for the Software engineer who have experience in working in Test Engineering role and hands‑on experience in Python, AWS and testing tools like pytest, playwright . Key Responsibilities Design and ...

Robotics Systems Software Control Developer

Robotic Systems Software Control Developer We are seeking a hands‑on software developer to work on robotic systems that test printed circuit boards. The role involves hardware integration, motion control, computer vision, and rapid prototyping, and may include occasional worldwide travel. <h ...

System Development Engineer I, Catalog Engineering Service Support

Amazon Selection and Catalog Systems (ASCS) builds the systems that host and run the world’s largest e-Commerce products catalog. We power the online buying experience for customers worldwide so they can find, discover, and buy anything they want. Our massively scaled out distributed systems process hundreds of ...

Software Development Engineer II

“I can be myself at work.”You are more than a job title. We want you to feel comfortable doing great work and bringing your best, authentic self to everything you do. We value your talents, traditions, and uniqueness—and we’re committed to fostering a strong sense of belonging in a respectful wo ...

Frontend Developer (React.js)

RemoteStar is hiring a Frontend Developer (React.js) on behalf of a fast‑growing UK cybersecurity company delivering innovative solutions to protect businesses from digital threats. About the role As a React Developer, you’ll build modern, responsive, and secure web interf ...

Lead Modelling Software Engineer (Python) | Hybrid Oxford

Senior Modelling Software Engineer - Chronos Department: Tech - Model & Platform Engineering Employment Type: Permanent - Full Time Location: Oxford, UK Description Please note that we are open to considering candidates who require visa ...

Senior Modelling Software Engineer Chronos

Senior Modelling Software Engineer - Chronos Department: Tech - Model & Platform Engineering Employment Type: Permanent - Full Time Location: Oxford, UK Description Please note that we are open to considering candidates who require visa ...

Software Engineer (Backend / Full Stack)

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client requirem ...

Software Engineer (Backend / Full Stack)

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client requirem ...

Software Engineer (Backend / Full Stack)

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client requirem ...

Cloud Infrastructure Engineer

Overview At Ultralytics, we relentlessly drive innovation in AI, building the world's leading Ultralytics YOLO models. We're looking for passionate individuals obsessed with AI, eager to make a global impact, and ready to excel in a dynamic, high-energy environment. Join our team and help shape th ...

Software Engineer, Modelling (Mid/ Senior) in London Runna

We're putting together a talented team to build the #1 training platform for Runners We help everyday runners become outstanding by providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon. To date we have built ...

Software Engineer

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client requ ...

Software Engineer

Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a specific client requ ...

Senior Cloud Engineer

Overview We’re looking for a Senior Cloud/AWS Engineer to take ownership of a modern cloud platform for a fast-growing, well-funded startup operating at the intersection of AI, compliance, and fintech. This is a high-impact role where you’ll architect, scale, and secure the AWS infra ...

Telemetry Data & Cloud API Developer

Spirax-Sarco Engineering in Cheltenham is seeking a talented Software Developer to join their digital team within Steam Thermal Solutions. This role focuses on designing, developing, and maintaining secure, high-performance software solutions, particularly in cloud-based and data-driven applications. T ...

Senior Software Engineer — Dev Workflow & CI (Remote UK)

Mozilla is seeking a talented individual to enhance Firefox development workflows as a part of their collaborative and diverse team. The role includes optimizing testing processes, mentoring peers, and working with various technologies like Python and JavaScript. The ideal candidate will have strong experience i ...

DevOps & Migration Systems Engineer

A leading managed service provider in the UK is searching for a Systems Developer with a focus on DevOps and migration. The successful candidate will be responsible for developing and enhancing system-level scripts using languages such as Shell, Perl, and Python. You will lead the migration of legacy systems whi ...

Realtime Systems Lead — Unreal Engine & Tools

DNEG is seeking a Senior Software Developer for the Realtime Technologies team in the United Kingdom. This role focuses on integrating Unreal Engine into their proprietary pipeline, ensuring high-quality tools and effective project management. The ideal candidate will have leadership experience, advanc ...

I&C Web & Automation Software Engineer (Energy Projects)

Amentum is seeking a Commissioning Engineer (Software Developer) in the UK to develop and troubleshoot software supporting I&C systems. This role requires strong proficiency in Python and JavaScript, experience in web application development, and SQL database management. Responsibilities include designing techni ...

UAV Software Engineer – Flight Dynamics & MR Sim

QinetiQ Limited is seeking a Software Developer for UAV projects across multiple UK sites. This permanent role focuses on developing software for synthetic training devices, including stand-alone applications and Mixed-Reality integrations. Ideal candidates will have experience in Flight dynamics model ...

Remote Backend Engineer Go/Python/Scala (6m Contract)

A staffing and recruiting firm is looking for a mid-level backend developer to join their Ads Organization. This remote role in the UK requires at least 3 years of experience in software development with a strong proficiency in languages like Go, Python, and Scala. Responsibilities include collaborating with tea ...

Senior AI Solutions Architect: Scale AI/ML in Production

Devitechs is seeking an experienced professional to architect end-to-end AI/ML solutions. You will collaborate with stakeholders to align AI strategies with business goals and ensure the compliance and reliability of AI systems. The successful candidate will possess strong expertise in AI/ML architectu ...

Platform Engineer – Scale Infra, Cloud & CI/CD (Remote)

DEPOP is seeking a Platform Engineer to join their Platform Core team in the UK. This role requires strong experience with AWS, Terraform, and automation languages like Python and Go. You will be responsible for managing infrastructure and supporting other engineers, ensuring high performance and reliability ...

AI Full Stack Engineer: Build Scalable LLM Apps

Required Skills Strong experience with Python (backend development) Solid frontend skills in React + TypeScript Hands‑on experience with LLMs (OpenAI, open‑source models, etc.) Proven work with RAG architectures (LangChain, LlamaIndex, vector DBs like Pinecone, ...

Software Engineer II Navigation & Traffic (Remote)

Mapbox Inc. is hiring a Software Development Engineer II for their Navigation, Traffic team. You will develop backend services for navigation, ensuring rapid development while maintaining reliability. Key requirements include 5+ years of experience with high-volume backend systems, proficiency in Python and Type ...

Senior Delivery Consultant Modernisation, Professional Services

DescriptionThe Amazon Web Services Professional Services (ProServe) team is seeking a skilled Sr. Delivery Consultant to join our team at Amazon Web Services (AWS). In this role, you'll work closely with customers to design, implement, and manage AWS solutions that meet their technical requirements and busin ...

Senior Software Developer (Java, Node) | Must have UK Government experience

Overview Senior Software Developer Remote with ad-hoc travel to Manchester || Experience within UK central government required The Company At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering auto ...

Lead Software Engineer

Hi, I’m Shun, founder and CEO of Anima. I left my career as a doctor because I was tired of seeing patients die from delays and misdiagnosis. Our mission is to deliver precision medicine to anyone, anywhere, in under 24 hours. Our platform already serves millions of patients and 10xs the capacity o ...

Senior Full Stack Engineer

Blue Light Card. Individually great, together unstoppable At Blue Light Card, we’re on a mission to support our millions of members with meaningful digital experiences. We have recently undertaken a replatforming transformation, setting the foundations to tackle exciting greenfield projects and f ...

DevOps Team Lead

## Developer Experience Team LeadThis role leads the Developer Experience (DevEx) central hub, responsible for improving how engineers build, test, and ship software across the organisation. The focus is simple: remove friction, increase productivity, and ensure the developer platform is secure, reliable, and sc ...

Machine Learning Engineer

ALDIA es una empresa internacional con sede central en Londres, con presencia en España y Suecia. Nos especializamos en la consultoría tecnológica y de ingeniería. En la actualidad, estamos buscando unMachine Learning Engineer que puede trabajar en la producción, implementación y mantenimiento de algor ...

Platform Engineer (Palantir Foundry)

Platform Engineer (Palantir Foundry) London (Hybrid) — 6 Month Contract — £600/day (Inside IR35) Platform Engineer needed with strong Palantir Foundry and Databricks on AWS. Start ASAP in May/June 2026. 6 Month Rolling Contract based in London (Hybrid), with occasional travel to t ...

Senior Software Engineer

Senior Software Engineer Salary: Up to £75,000 Hybrid - 2 days a week in office (London/Brighton/Cardiff) Why join us? We work at the intersection of creativity, data, and cutting‑edge technology to turn ideas into measurable impact. Our strength comes from ...

Senior Data & AI Cloud Architect, AWS Professional Services

DescriptionThe Amazon Web Services Professional Services (ProServe) team is seeking a skilled Delivery Consultant to join our team at Amazon Web Services (AWS). In this role, you'll work closely with customers to design, implement, and manage AWS solutions that meet their technical requirements and business ...

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    Python Developer Cloudnative Aws Serverless Jobs in United Kingdom Job Search Guide, Trends and Insights