ll Do: Design, implement, and maintain Linux server infrastructure Tune Kernel parameters and optimise system performance for low-latency, high-throughput applications Develop and refine automation solutions using Ansible, Python, and Terraform Troubleshoot hardware, networking, and performance issues in various environments Deploy monitoring and log aggregation tools to improve observability Collaborate with teams to identify bottlenecks and deploy scalable, automated … solutions What We're Looking For: 6+ years of Linux system administration and engineering experience in performance-critical environments Proficiency in Python and bash Scripting, with hands-on Ansible experience Solid networking fundamentals: IP Addressing, VLANs, etc. Familiarity with observability tools like Prometheus, Grafana, and ELK Infrastructure-as-code experience with Terraform and CI/CD pipelines Proven ability to More ❯
ll Do: Design, implement, and maintain Linux server infrastructure Tune Kernel parameters and optimise system performance for low-latency, high-throughput applications Develop and refine automation solutions using Ansible, Python, and Terraform Troubleshoot hardware, networking, and performance issues in various environments Deploy monitoring and log aggregation tools to improve observability Collaborate with teams to identify bottlenecks and deploy scalable, automated … solutions What We're Looking For: 6+ years of Linux system administration and engineering experience in performance-critical environments Proficiency in Python and bash Scripting, with hands-on Ansible experience Solid networking fundamentals: IP Addressing, VLANs, etc. Familiarity with observability tools like Prometheus, Grafana, and ELK Infrastructure-as-code experience with Terraform and CI/CD pipelines Proven ability to More ❯
ll Do: Design, implement, and maintain Linux server infrastructure Tune Kernel parameters and optimise system performance for low-latency, high-throughput applications Develop and refine automation solutions using Ansible, Python, and Terraform Troubleshoot hardware, networking, and performance issues in various environments Deploy monitoring and log aggregation tools to improve observability Collaborate with teams to identify bottlenecks and deploy scalable, automated … solutions What We're Looking For: 6+ years of Linux system administration and engineering experience in performance-critical environments Proficiency in Python and bash Scripting, with hands-on Ansible experience Solid networking fundamentals: IP Addressing, VLANs, etc. Familiarity with observability tools like Prometheus, Grafana, and ELK Infrastructure-as-code experience with Terraform and CI/CD pipelines Proven ability to More ❯
Software Engineer – C#/Python/Kubernetes – Trading Infrastructure 12-Month Contract | Inside IR35 | £900/day (Please note: Sponsorship is not available for this role) A top-performing global hedge fund is seeking an experienced Software Engineer for a 12-month contract to help enhance and scale its mission-critical trading infrastructure. This is a high-impact opportunity to … fast-paced environments where clean design and system resilience are essential. Key Responsibilities Design and implement backend services and RESTful APIs using C# (.NET Core/.NET 6+) and Python . Containerize and orchestrate applications using Kubernetes across hybrid cloud/on-prem environments. Build highly available, scalable, and observable systems designed for 24/7 operation. Integrate services with … Automate CI/CD pipelines and implement rigorous testing to support rapid, reliable deployments. What We’re Looking For Solid engineering experience with C#/.NET and/or Python in production environments. Proficiency preferred with Kubernetes and containerization tools (Docker, Helm, Operators, etc.). Strong grasp of distributed systems, microservices, and service-oriented architecture. Experience building performant, testable systems More ❯
Software Engineer – C#/Python/Kubernetes – Trading Infrastructure 12-Month Contract | Inside IR35 | £900/day (Please note: Sponsorship is not available for this role) A top-performing global hedge fund is seeking an experienced Software Engineer for a 12-month contract to help enhance and scale its mission-critical trading infrastructure. This is a high-impact opportunity to … fast-paced environments where clean design and system resilience are essential. Key Responsibilities Design and implement backend services and RESTful APIs using C# (.NET Core/.NET 6+) and Python . Containerize and orchestrate applications using Kubernetes across hybrid cloud/on-prem environments. Build highly available, scalable, and observable systems designed for 24/7 operation. Integrate services with … Automate CI/CD pipelines and implement rigorous testing to support rapid, reliable deployments. What We’re Looking For Solid engineering experience with C#/.NET and/or Python in production environments. Proficiency preferred with Kubernetes and containerization tools (Docker, Helm, Operators, etc.). Strong grasp of distributed systems, microservices, and service-oriented architecture. Experience building performant, testable systems More ❯
team working at the intersection of healthcare and cutting-edge LLM technology, shipping fast and solving meaningful problems every day. What You’ll Own Architect and develop backend microservices (Python/FastAPI) that power our RAG pipelines and analytics Build scalable infrastructure for retrieval and vector search (PGVector, Pinecone, Weaviate) Design evaluation frameworks to improve search accuracy and reduce hallucinations … functionally with product, clinical, and mobile teams to iterate fast and deliver impact Embed security, GDPR compliance, and testing best practices into the core of our stack Tech Stack Python • FastAPI • PostgreSQL + PGVector • Redis • Pinecone/Weaviate • Vertex AI • Cloud Run • Docker • Terraform • GitHub Actions • LangChain/LlamaIndex What We’re Looking For 5+ years building production-grade backend … systems (preferably in Python) Strong background in search, recommender systems, or ML infrastructure at scale Experience with RAG architectures, embeddings, and vector search Confidence working across GCP (or AWS/Azure) and infrastructure-as-code Familiarity with observability, performance tuning, and secure data practices A growth mindset, startup grit, and genuine passion for solving healthcare challenges UK-based with the More ❯
team working at the intersection of healthcare and cutting-edge LLM technology, shipping fast and solving meaningful problems every day. What You’ll Own Architect and develop backend microservices (Python/FastAPI) that power our RAG pipelines and analytics Build scalable infrastructure for retrieval and vector search (PGVector, Pinecone, Weaviate) Design evaluation frameworks to improve search accuracy and reduce hallucinations … functionally with product, clinical, and mobile teams to iterate fast and deliver impact Embed security, GDPR compliance, and testing best practices into the core of our stack Tech Stack Python • FastAPI • PostgreSQL + PGVector • Redis • Pinecone/Weaviate • Vertex AI • Cloud Run • Docker • Terraform • GitHub Actions • LangChain/LlamaIndex What We’re Looking For 5+ years building production-grade backend … systems (preferably in Python) Strong background in search, recommender systems, or ML infrastructure at scale Experience with RAG architectures, embeddings, and vector search Confidence working across GCP (or AWS/Azure) and infrastructure-as-code Familiarity with observability, performance tuning, and secure data practices A growth mindset, startup grit, and genuine passion for solving healthcare challenges UK-based with the More ❯
team working at the intersection of healthcare and cutting-edge LLM technology, shipping fast and solving meaningful problems every day. What You’ll Own Architect and develop backend microservices (Python/FastAPI) that power our RAG pipelines and analytics Build scalable infrastructure for retrieval and vector search (PGVector, Pinecone, Weaviate) Design evaluation frameworks to improve search accuracy and reduce hallucinations … functionally with product, clinical, and mobile teams to iterate fast and deliver impact Embed security, GDPR compliance, and testing best practices into the core of our stack Tech Stack Python • FastAPI • PostgreSQL + PGVector • Redis • Pinecone/Weaviate • Vertex AI • Cloud Run • Docker • Terraform • GitHub Actions • LangChain/LlamaIndex What We’re Looking For 5+ years building production-grade backend … systems (preferably in Python) Strong background in search, recommender systems, or ML infrastructure at scale Experience with RAG architectures, embeddings, and vector search Confidence working across GCP (or AWS/Azure) and infrastructure-as-code Familiarity with observability, performance tuning, and secure data practices A growth mindset, startup grit, and genuine passion for solving healthcare challenges UK-based with the More ❯
integral part of their continued success. Following this exponential growth, this young and exciting team are now looking to engage with a multi-talented full-stack developer possessing both Python and React.js proficiency to apply their talents to a growing number of greenfield projects as the business continues to scale. Given the firm's low headcount, flat structure and dynamic … of slowing down. Responsibilities Design, develop, and maintain internal web applications and tools used by trading/investment/operations/risk teams Implement backend services and APIs in Python Participate in code reviews, testing, and deployment processes Learning a variety of modern technology frameworks and paradigms, including but not limited to Postgres, Docker, AWS, CICD, Redis. Required Skills & Qualifications … years of professional software and web development experience from in a front-office facing role within finance Strong programming skills with Python Strong programming skills with JavaScript (preferably React.js) Knowledge of financial instruments and products Strong quantitative background Strong grasp of software engineering principles, debugging, and testing practices, use of Git Experience using Front Arena or another OMS, other databases More ❯
integral part of their continued success. Following this exponential growth, this young and exciting team are now looking to engage with a multi-talented full-stack developer possessing both Python and React.js proficiency to apply their talents to a growing number of greenfield projects as the business continues to scale. Given the firm's low headcount, flat structure and dynamic … of slowing down. Responsibilities Design, develop, and maintain internal web applications and tools used by trading/investment/operations/risk teams Implement backend services and APIs in Python Participate in code reviews, testing, and deployment processes Learning a variety of modern technology frameworks and paradigms, including but not limited to Postgres, Docker, AWS, CICD, Redis. Required Skills & Qualifications … years of professional software and web development experience from in a front-office facing role within finance Strong programming skills with Python Strong programming skills with JavaScript (preferably React.js) Knowledge of financial instruments and products Strong quantitative background Strong grasp of software engineering principles, debugging, and testing practices, use of Git Experience using Front Arena or another OMS, other databases More ❯
Senior C# Developer/Software Engineer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Senior C# Developer you will architect and build highly … a week. About you: You are an experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge of Computer Science fundamentals such as OOP … career development and supported learning Impactful role working on cutting edge technology Apply now to find out more about this Senior C# Developer/Software Engineer (C# .Net AWS Python) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come More ❯
Engineering Lead/Technical Lead – Node.js | Python | TypeScript | AWS | Leadership We're hiring an Engineering Lead for a high-growth, AI-driven tech company. You’ll lead a small, agile team building scalable backend systems with Node.js , TypeScript , and AWS —delivering real impact, fast. This role is ideal for a senior engineer who loves hands-on coding, technical leadership, and … quality, and drive DevOps practices. Mentor a small team and embed AI/automation where it counts. What You’ll Bring: Strong technical background in TypeScript, Node.js , and ideally Python . Proven experience deploying and maintaining cloud infrastructure on AWS . Confident leading agile delivery teams in high-growth or startup environments. Deep understanding of system design, API development, and More ❯
Engineering Lead/Technical Lead – Node.js | Python | TypeScript | AWS | Leadership We're hiring an Engineering Lead for a high-growth, AI-driven tech company. You’ll lead a small, agile team building scalable backend systems with Node.js , TypeScript , and AWS —delivering real impact, fast. This role is ideal for a senior engineer who loves hands-on coding, technical leadership, and … quality, and drive DevOps practices. Mentor a small team and embed AI/automation where it counts. What You’ll Bring: Strong technical background in TypeScript, Node.js , and ideally Python . Proven experience deploying and maintaining cloud infrastructure on AWS . Confident leading agile delivery teams in high-growth or startup environments. Deep understanding of system design, API development, and More ❯
Engineer Location: London About the role: My client are looking for a senior software engineer with a strong background in infrastructure, DevOps, and security best practices, along with advanced Python development skills. In this role, you’ll play a pivotal part in designing and leading infrastructure focused projects, helping them scale and secure. You’ll be joining a high performing … strategy, ideally with experience in AWS account and resource management Requirements: 5+ years of experience as a software engineer with a focus on infrastructure or DevOps Advanced skills in Python and experience writing production grade code and tools Proven experience leading infrastructure or platform engineering projects from start to finish Solid understanding of cloud infrastructure, ideally with hands-on experience More ❯
Engineering Lead/Technical Lead – Node.js | Python | TypeScript | AWS | Leadership We're hiring an Engineering Lead for a high-growth, AI-driven tech company. You’ll lead a small, agile team building scalable backend systems with Node.js , TypeScript , and AWS —delivering real impact, fast. This role is ideal for a senior engineer who loves hands-on coding, technical leadership, and … quality, and drive DevOps practices. Mentor a small team and embed AI/automation where it counts. What You’ll Bring: Strong technical background in TypeScript, Node.js , and ideally Python . Proven experience deploying and maintaining cloud infrastructure on AWS . Confident leading agile delivery teams in high-growth or startup environments. Deep understanding of system design, API development, and More ❯
Engineer Location: London About the role: My client are looking for a senior software engineer with a strong background in infrastructure, DevOps, and security best practices, along with advanced Python development skills. In this role, you’ll play a pivotal part in designing and leading infrastructure focused projects, helping them scale and secure. You’ll be joining a high performing … strategy, ideally with experience in AWS account and resource management Requirements: 5+ years of experience as a software engineer with a focus on infrastructure or DevOps Advanced skills in Python and experience writing production grade code and tools Proven experience leading infrastructure or platform engineering projects from start to finish Solid understanding of cloud infrastructure, ideally with hands-on experience More ❯
processing, analyzing, and interpreting large & complex datasets within our growing forecast offering. Developing our power market and dispatch models to grow and enhance Modo's product offering. We use Python and the standard scientific computing stack (Numpy, Pandas, SciPy, ScikitLearn, etc.). Working closely with our product and analytics functions to ensure the product we deliver aligns closely with user … needs and provides value to the wider Modo team. Qualifications: 3 to 5 years experience using Python (or another programming language e.g. R, C++, Java) and with the scientific computing stack (Numpy, Pandas, SciPy, ScikitLearn, etc.). Strong quantitative skills and a proven track record of solving complex technical problems using data analysis, machine learning, and optimization techniques. Hands-on … experience with cloud environments (e.g., AWS) for deploying data science models. Proven experience with optimisation using linear programming with a preference for Python-based implementations. Proven ability to produce data science models and insights that are directly delivered to external customers, with a track record of handling high-visibility, customer-facing outputs. Previous experience in energy modeling, with a specific More ❯
London, England, United Kingdom Hybrid / WFH Options
Immersum
Title: Senior Software Engineer Location: Remote Salary: £80,000 - £120,000 Tech: Python, Django, JavaScript, Azure, AWS Industry: AI Consultancy Are you a seasoned software engineer seeking a role that offers both flexibility and the chance to make a substantial impact? Look no further. This fully remote position with a leading Irish AI consultancy could be the perfect fit for … projects that have directly contributed to business goals. Your expertise in at least one programming language will be crucial, and your comfort with high-level scripting languages such as Python or Ruby will set you apart. This consultancy values innovation and efficiency, so your ability to produce production-grade code swiftly will be highly regarded. You will be joining a More ❯
and Ops teams to translate business constraints into mathematical formulations. A typical day Morning stand-up: align on performance targets and new constraints. Data dive: explore panel behaviour in Python/SQL, craft new features. Modelling sprint: run hyper-parameter sweeps or explore heuristic/greedy and MIP/SAT approaches. Deployment: ship a model as a container, update an … Airflow (or Azure Data Factory) job. Review: inspect dashboards, compare control vs. treatment, plan next experiment. Tech stack Python (pandas, NumPy, scikit-learn, PyTorch/TensorFlow) SQL (Redshift, Snowflake or similar) AWS SageMaker → Azure ML migration, with Docker, Git, Terraform, Airflow/ADF Optional extras: Spark, Databricks, Kubernetes. What you'll bring 3-5+ years building optimisation or recommendation … + yrs optimisation/recommender work at production scale (dynamic pricing, yield, marketplace matching). Mathematical optimisation know-how - LP/MIP, heuristics, constraint tuning, objective-function design. Python toolbox: pandas, NumPy, scikit-learn, PyTorch/TensorFlow; clean, tested code. Cloud ML: hands-on with AWS SageMaker plus exposure to Azure ML; Docker, Git, CI/CD, Terraform. SQL mastery More ❯
and Ops teams to translate business constraints into mathematical formulations. A typical day Morning stand-up: align on performance targets and new constraints. Data dive: explore panel behaviour in Python/SQL, craft new features. Modelling sprint: run hyper-parameter sweeps or explore heuristic/greedy and MIP/SAT approaches. Deployment: ship a model as a container, update an … Airflow (or Azure Data Factory) job. Review: inspect dashboards, compare control vs. treatment, plan next experiment. Tech stack Python (pandas, NumPy, scikit-learn, PyTorch/TensorFlow) SQL (Redshift, Snowflake or similar) AWS SageMaker → Azure ML migration, with Docker, Git, Terraform, Airflow/ADF Optional extras: Spark, Databricks, Kubernetes. What you'll bring 3-5+ years building optimisation or recommendation … + yrs optimisation/recommender work at production scale (dynamic pricing, yield, marketplace matching). Mathematical optimisation know-how - LP/MIP, heuristics, constraint tuning, objective-function design. Python toolbox: pandas, NumPy, scikit-learn, PyTorch/TensorFlow; clean, tested code. Cloud ML: hands-on with AWS SageMaker plus exposure to Azure ML; Docker, Git, CI/CD, Terraform. SQL mastery More ❯
Jenkins for automated deployments and testing. Apply DevOps methodologies to streamline development workflows and enhance system resilience. Write, review, and maintain clean and efficient code/scripts in Terraform, Python, Bash, and Ansible to support automation and infrastructure management. Leverage Docker and Kubernetes for containerization and orchestration to ensure scalable application deployment. Implement security best practices in cloud infrastructure, including … services with practical implementation experience. Advanced knowledge of Git, GitLab CI, Jenkins , and CI/CD best practices. Hands-on experience with Docker, Kubernetes , and container orchestration. Proficiency in Python, Bash, and Ansible scripting for automation. Demonstrated ability to enforce cloud security compliance and governance policies. Reasonable Adjustments: Respect and equality are core values to us. We are proud of More ❯
Terraform or CloudFormation CI/CD: AWS CodePipeline, CodeBuild Containerization: Docker on ECS Monitoring & Security: CloudWatch, Systems Manager, IAM policies, encryption Other Tools: MongoDB Atlas, Google CDN, Bash or Python scripting What You'll Need 3+ years of hands-on experience managing AWS environments and Linux systems Proven expertise in Infrastructure as Code (Terraform or CloudFormation) Strong experience in CI …/CD workflows using AWS CodePipeline and CodeBuild Hands-on experience with Docker and deploying on ECS Solid scripting skills in Bash or Python Experience with MongoDB Atlas, AWS Redis, and cloud monitoring practices Good understanding of IAM, encryption, and cloud security principles Familiarity with Google CDN, AWS Lambda, and Elastic Beanstalk Exposure to Kubernetes or Helm (even if not More ❯
Terraform or CloudFormation CI/CD: AWS CodePipeline, CodeBuild Containerization: Docker on ECS Monitoring & Security: CloudWatch, Systems Manager, IAM policies, encryption Other Tools: MongoDB Atlas, Google CDN, Bash or Python scripting What You'll Need 3+ years of hands-on experience managing AWS environments and Linux systems Proven expertise in Infrastructure as Code (Terraform or CloudFormation) Strong experience in CI …/CD workflows using AWS CodePipeline and CodeBuild Hands-on experience with Docker and deploying on ECS Solid scripting skills in Bash or Python Experience with MongoDB Atlas, AWS Redis, and cloud monitoring practices Good understanding of IAM, encryption, and cloud security principles Familiarity with Google CDN, AWS Lambda, and Elastic Beanstalk Exposure to Kubernetes or Helm (even if not More ❯
Terraform or CloudFormation CI/CD: AWS CodePipeline, CodeBuild Containerization: Docker on ECS Monitoring & Security: CloudWatch, Systems Manager, IAM policies, encryption Other Tools: MongoDB Atlas, Google CDN, Bash or Python scripting What You'll Need 3+ years of hands-on experience managing AWS environments and Linux systems Proven expertise in Infrastructure as Code (Terraform or CloudFormation) Strong experience in CI …/CD workflows using AWS CodePipeline and CodeBuild Hands-on experience with Docker and deploying on ECS Solid scripting skills in Bash or Python Experience with MongoDB Atlas, AWS Redis, and cloud monitoring practices Good understanding of IAM, encryption, and cloud security principles Familiarity with Google CDN, AWS Lambda, and Elastic Beanstalk Exposure to Kubernetes or Helm (even if not More ❯
