Lead Software Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead Software Developer will design, implement, and maintain publishing … integration, test driven development and pair programming. Familiarity with modern Front End technologies and JS frameworks, such as React. Experience writing and consuming RESTful APIs in Python. Experience with AWSservices (Lambda, SQS, API gateways, S3). Excellent time-management and organisational skills, with the ability to work to deadlines. Good communication, negotiating and influencing skills. Excellent opportunity to positively More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Enigma
Senior Backend Developer | Python | FastAPI | AWS | Postgres | Hybrid, London Our Mission We help traditional, operations-heavy businesses grow and scale using modern data and AI tools. These businesses are often the backbone of society—powering the food we eat, the cars we drive, and the buildings we live in. Historically, these industries have been underserved by the tech community and … world impact No prior industry-specific knowledge required—we’ll bring you up to speed Key Tech Stack: Must have: Python, REST APIs Nice to have: PostgreSQL, GCP or AWS, SQLModel/Pydantic/FastAPI/Alembic, Terraform, Docker, GitHub Actions How We Work We’re customer-obsessed—our goal is to be the most reliable, valuable tool our users … and aren’t afraid to break new ground We care about our people—we want your time with us to be rewarding and impactful Senior Backend Developer | Python | FastAPI | AWS | Postgres | Hybrid, London More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Lawrence Harvey
experience working as a Cloud Security Engineer in DevSecOps environments with an in-depth knowledge of Infrastructure as Code (Terraform), Containers and CI/CD concepts. Significant knowledge of AWS and implementing AWS Well Architected Security pillar. Breadth of knowledge of cloud-based IAM/PAM and authentication concepts. Strong proficiency in coding/scripting/development languages – Python, Terraform More ❯
Knowledge of market data, order flows, and related protocols Ability to read and troubleshoot code (C++, JavaScript, Kotlin) SQL proficiency and familiarity with Git/CI-CD Experience with AWS, Prometheus, Grafana, RabbitMQ Tech Stack Backend: Kotlin, Node.js, TypeScript, RabbitMQ Cloud: AWS Databases: MySQL Monitoring: Prometheus, Grafana, CloudWatch, OpenSearch More ❯
and Market Risk domains. You’ll be joining an ambitious and technically strong group responsible for building the firm’s next-generation analytics platform — a cloud-native ecosystem on AWS, used globally by trading, risk, and analytics teams. These are hands-on engineering roles, focused on designing and scaling high-performance systems, data pipelines, and analytical applications. Key Responsibilities Build … robust data pipelines and orchestration engines in AWS Integrate diverse datasets, including market, fundamental, and weather data Develop analytical and visualization tools (e.g., Dash/Plotly) Partner with analysts to design and implement statistical models Contribute to architectural design of scalable analytics systems Manage deployment and operationalization of workloads in AWS (S3, ECS, Postgres) Promote engineering best practices including Git … control and CI/CD Requirements 3–7 years of experience in data or software engineering Strong Python programming skills (Java or C# a plus) Hands-on experience with AWS (S3, ECS, Postgres) Understanding of Kafka, orchestration, and distributed data systems Experience in energy trading, commodities, or financial analytics preferred Strong communication skills and collaborative mindset A builder’s mentality More ❯
prem environments. This is a senior technical leadership role with full ownership of infrastructure strategy, delivery, and scale across low-latency trading systems. This hire will drive a major AWS migration, build greenfield environments, modernise legacy systems, and shape the long-term engineering roadmap. You’ll lead a small but senior infrastructure function with real autonomy and impact. The Role … Own infrastructure architecture across cloud, on-prem and hybrid platforms Lead end-to-end AWS migration and modernisation strategy Build greenfield environments for trading and research workloads Design and operate highly available, low-latency global infrastructure Take ownership of Microsoft services, Active Directory and core networking Engineer secure connectivity across firewalls, routing and multi-site links Drive network security, segmentation …/Terraform/Ansible) Scale monitoring, cost optimisation and system reliability in production Background 7+ years in infrastructure leadership within trading, market-making or high-performance engineering environments Strong AWS architecture and hybrid (cloud + on-prem) experience Deep networking background: routing, switching, low-latency connectivity Strong understanding of reliability engineering and autoscaling systems Prior experience building and scaling teams More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Revenir
of Revenir’s technology. This individual will play a supporting role to our experienced technology team who have built and developed an innovative product which utilises a range of AWSservices, including Lambda, SQS, Step Functions (Express & Standard), API Gateway, DynamoDB, Bedrock, and SageMaker. Responsibilities: Support API Development: Collaborate with the team to research and contribute to the design documentation … Artificial Intelligence, Machine Learning, or Natural Language Processing Familiarity with frameworks like Express.js, Flask, or NestJS Familiarity with libraries like TensorFlow, PyTorch, or scikit-learn Basic understanding of AmazonWebServices Culture: Coffee and snacks in the office Team socials Inclusive working environment, supporting all genders, sexualities, race, disability or background Join our dynamic team at Revenir and contribute to More ❯
a Lead Solutions Architect — a hybrid role that combines hands-on technical authority with strategic and people leadership . You’ll define the technology roadmap, guide architecture across Azure, AWS, and hybrid environments, and take full accountability for team performance, budgets, vendor relationships, and senior stakeholder engagement . This is an opportunity to shape technology direction and delivery for a … client objectives Lead, coach, and mentor a team of engineers and consultants, fostering collaboration, accountability, and innovation Provide hands-on architectural oversight across cloud, infrastructure, and security solutions (Azure, AWS, hybrid) Manage departmental budgets, resource planning, and partner contracts , ensuring commercial efficiency Build strong, trusted relationships with C-level stakeholders and clients , advising on technology direction and investment Drive operational … What You’ll Bring Proven experience in a Managed Services Provider or IT consultancy , supporting complex, multi-client environments Strong hands-on understanding of: Cloud: Azure and/or AWS (architecture, migration, optimisation) Infrastructure: Windows Server, Active Directory, DNS/DHCP, Intune, Microsoft 365, and Linux Networking & Security: Firewalls, VPNs, routing, and endpoint management Backup & DR: Experience with enterprise backup More ❯
of us.” – Julie Sweet, Accenture CEO As a team: A global professional services organization, which includes being a vital services partner to the world’s major cloud providers — ServiceNow, AWS, Azure, Google, and others. Accenture is recognised as the No 1 Service Partner globally due to our work on delivering the most complex, innovative and impactful ServiceNow solutions in the … ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API WebServices Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in it for you At Accenture in addition to a competitive basic salary More ❯
event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA teams to deliver high-quality solutions. Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation. What we're looking for: Strong experience with Java, Spring Boot, and microservice architecture. Proven background working in cloud environments (ideally … AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD, and Agile methodologies. Good communication skills and the ability to work collaboratively in a hybrid setup. Contract Details: Location: Osterley (2 days per week on site) Duration: 6 months, strong potential for extension Rate: Up to £650 per day (Inside IR35) If you More ❯
Lead Python Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Python Developer (PYTHON/AWS/REACT). JOB PURPOSE Part of the extended Technology Leadership Team, the Lead Python Developer will design, implement, and maintain publishing … integration, test driven development and pair programming. Familiarity with modern Front End technologies and JS frameworks, such as React. Experience writing and consuming RESTful APIs in Python. Experience with AWSservices (Lambda, SQS, API gateways, S3). Excellent time-management and organisational skills, with the ability to work to deadlines. Good communication, negotiating and influencing skills. Excellent opportunity to positively More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Switch Tech Talent
Role: Site Reliability Engineer 🌍 Location: London/Hybrid (3 days a week in office) 💰 Salary: £90,000 🛠 Key Skills: AWS, IaC, Docker, Scripting As a Site Reliability Engineer you will be at the forefront of maintaining robust, scalable, and secure cloud solutions that power this cutting-edge e-commerce platform. Your expertise will ensure seamless, reliable, and secure experiences for … customers. Hands-on experience with AWSservices (ECS, S3, RDS, Lambda, CloudFront, etc.). Proficiency with monitoring tools like DataDog, CloudWatch, and Grafana. Experience with Docker, ECS, Kubernetes, or similar containerisation technologies. Knowledge of scripting languages such as Bash, Python, NodeJS. Familiarity with Infrastructure as Code (IaC) tools like Terraform, Pulumi, etc. If you're a Site Reliability Engineer with More ❯
slough, south east england, united kingdom Hybrid / WFH Options
CBSbutler Holdings Limited
front end. Key Responsibilities Execute and maintain test plans for infrastructure, backend services, and application layers. Validate deployments, configuration changes, and environment stability across cloud and on-prem environments (AWS, Azure, GCP, CI/CD). Perform integration, regression, and performance testing across multiple platforms. Collaborate with DevOps, Developers, and Product teams to identify and resolve issues early in the … continuous improvement of QA practices, tools, and processes. Skills & Experience Proven experience in software testing (manual and/or automated). Familiarity with infrastructure and deployment environments such as AWS, Azure, GCP, or on-premises. Experience testing APIs, services, and integration points , not just front-end UI. Strong analytical mindset and attention to detail — you spot issues others miss. Bonus More ❯
years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Version 1 has several strategic technology partners including Microsoft, AWS, Oracle, Red Hat, OutSystems and Snowflake. We’re also an award-winning employer reflecting how employees are at the heart of Version 1. We’ve been awarded: Innovation Partner of the … Year Winner 2023 Oracle EMEA Partner Awards, Global Microsoft Modernising Applications Partner of the Year Award 2023, AWS Collaboration Partner of the Year - EMEA 2023 and Best Workplaces for Women by Great Place To Work in UK and Ireland 2023. As a consultancy and service provider, Version 1 is a digital-first environment, and we do things differently. We’re … life insurance coverage, as well as free eye tests and contributions towards glasses. Our team members can also stay ahead of the curve with incentivized certifications and accreditations, including AWS, Microsoft, Oracle, and Red Hat. Our employee-designed Profit Share scheme divides a portion of our company's profits each quarter amongst employees. We are dedicated to helping our employees More ❯
slough, south east england, united kingdom Hybrid / WFH Options
CBSbutler
front end. Key Responsibilities Execute and maintain test plans for infrastructure, backend services, and application layers. Validate deployments, configuration changes, and environment stability across cloud and on-prem environments (AWS, Azure, GCP, CI/CD). Perform integration, regression, and performance testing across multiple platforms. Collaborate with DevOps, Developers, and Product teams to identify and resolve issues early in the … continuous improvement of QA practices, tools, and processes. Skills & Experience Proven experience in software testing (manual and/or automated). Familiarity with infrastructure and deployment environments such as AWS, Azure, GCP, or on-premises. Experience testing APIs, services, and integration points , not just front-end UI. Strong analytical mindset and attention to detail — you spot issues others miss. Bonus More ❯
functional teams and influence senior stakeholders. Experience designing scalable data architectures for global organisations. Knowledge of regulatory reporting requirements in insurance. Experience with cloud-based data platforms (e.g., Azure, AWS, GCP). Familiarity with data cataloguing tools and enterprise data governance platforms. If you have the relevant experience and knowledge please submit your profile for an immediate review. pratap@pioneer … functional teams and influence senior stakeholders. Experience designing scalable data architectures for global organisations. Knowledge of regulatory reporting requirements in insurance. Experience with cloud-based data platforms (e.g., Azure, AWS, GCP). Familiarity with data cataloguing tools and enterprise data governance platforms. More ❯
Slough, Berkshire, England, United Kingdom Hybrid / WFH Options
Tenth Revolution Group
Senior Engineer - Python, AWS, Snowflake Location: London (Hybrid - 3 days in office) Salary: Up to £140,000 Type: Permanent A leading trading firm is seeking a Senior Engineer to join their team and help rebuild a critical analytics platform. This is a high-impact role working directly with commercial and trading teams to deliver modern, cloud-native solutions. You'll …/demand modelling and market data analysis Collaborate closely with traders and technical teams to deliver impactful solutions What You'll Bring: Strong Python and SQL expertise Experience with AWS and Snowflake Familiarity with Docker/Kubernetes, CI/CD, and Linux Background in trading is highly desirable Ability to communicate effectively with both technical and commercial stakeholders Benefits: Up More ❯
engineering role. The right person will have hands-on programming experience with Java, Python, or JavaScript, as well as solid experience with cloud and data infrastructure (GCP, Azure, or AWS). Due to the client-facing nature of the role, the right person will be an excellent communicator and comfortable traveling nationally and internationally to meet clients and attend industry … with experience Looking for client facing solutions engineering position Excellent communication and interpersonal skills with proven client-facing experience Strong understanding and experience with cloud platforms and services (GCP, AWS, or Azure) Hands of programming experience with Java, Python, or JavaScript Live within commutable distance to Central London and open to global travel Reference Number: 264725 To apply for this More ❯
trusted advisor to clients during discovery sessions, workshops, and bid processes. Solution Design: Translate client needs into fit-for-purpose Data & AI solutions, leveraging modern cloud platforms (Azure/AWS, with GCP/Oracle as a plus). Design AI interventions for application support, monitoring, and business operations. Technical Leadership: Lead complex implementations that deliver measurable outcomes. Architect and scale … LlamaIndex) and practical experience with Agentic AI frameworks and concepts (e.g., AutoGen, CrewAI, LangGraph). Strong working knowledge and practical deployment experience on at least one major cloud platform (AWS, Azure, GCP), including their AI/ML services. Strong foundation in software engineering principles for building scalable, maintainable, and production-ready AI systems. Proficiency in Python with AI/ML More ❯
Senior Software Engineer – Fullstack/Backend Leaning (TypeScript, Node.js, React, AWS) Full-time | London (Hybrid) Our client is a well-funded, high-growth FinTech SaaS business redefining how private equity operates. The platform empowers investment professionals through automation and intelligent collaboration, replacing the manual, fragmented processes that have long dominated the industry. Founded by seasoned private equity and technology experts … end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed with long-term maintainability — quality and performance matter here Work on innovative challenges across document … Who You Are 5+ years’ experience in high-growth or scale-up SaaS environments Deep expertise in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product excellence, autonomy, and technical craftsmanship drive everything. More ❯
startup in the AI and Healthcare technology sector Salary up to £90k + Equity Paddington-based (4–5 days per week in-office) Tech environment: React | React Native | Node.js | AWS | Firebase | Supabase | PostgreSQL If you wish to keep your CV/data private, feel free to WhatsApp your details/CV to me, Dan – 07704 152638 WHO WE ARE: We … either professionally or through personal projects). Skilled in React or React Native and Node.js . Comfortable working across frontend, backend, or full-stack environments. Familiarity with AWS (Elastic Beanstalk, Lambda, etc.) and PostgreSQL . Experience with Firebase or Supabase . Strong understanding of software design patterns , data structures , and Agile development practices. NICE TO HAVE: Excellent communication and collaboration … are giving express consent for us to process (subject to required skills) your application to our client in conjunction with this vacancy only. KEY SKILLS: React | React Native | Node.js | AWS | Firebase | Supabase | PostgreSQL | Italian Speaking | Full-Stack Development | Agile | AI Integration More ❯
media and tech company looking for a Lead Site Reliability Engineer to support and scale their Video on Demand (VOD) infrastructure. You’ll work across modern tech stacks including AWS, GCP, Cassandra, and Kafka, helping deliver reliable, high-performance systems used by millions. What you’ll do Lead project delivery while supporting day-to-day operations and incident management Build … deployment pipelines Mentor engineers and guide technical decisions within a fast-paced, cross-functional environment What you’ll bring Strong Linux administration skills (Ubuntu preferred) Hands-on experience with AWS and GCP Proficiency in Terraform, Ansible, Jenkins, or GitLab CI Knowledge of Kafka, Cassandra, and relational or NoSQL databases Scripting skills in Python, Bash, Go, or Java Familiarity with monitoring More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Client Server
Senior Data Engineer (AWS Kafka Python) London/WFH to £85k Are you a tech savvy Data Engineer with AWS expertise combined with client facing skills? You could be joining a global technology consultancy with a range of banking, financial services and insurance clients in a senior, hands-on Data Engineer role. As a Senior Data Engineer you will design … and build end-to-end real-time data pipelines using AWS native tools, Kafka and modern data architectures, applying AWS Well-Architected Principles to ensure scalability, security and resilience. You’ll collaborate directly with clients to analyse requirements, define solutions and deliver production grade systems, leading the development of robust, well tested and fault tolerant data engineering solutions. Location/… week in the London, City office (or at client site in London). About you: You are an experienced Data Engineer within financial services environments You have expertise with AWS including Lake formation and transformation layers You have strong Python coding skills You have experience with real-time data streaming using Kafka You’re collaborative and pragmatic with excellent communication More ❯
About the Role We’re looking for a skilled AWS Developer to join our dynamic Contact Centre Platform (CCP) team. Reporting to the AWS Lead Engineer, you’ll play a key role in supporting the deployment and maintenance of cutting-edge innovations hosted on AWS infrastructure—including AI models and automation tools. Note that you must be eligible for SC … Leeds – you are free to attend any of these locations. We operate on a hybrid model with 2 days per week in the office. Key Responsibilities Maintain and support AWS-hosted AI models and infrastructure. Assist in deploying services within the Amazon Connect ecosystem. Contribute to the route-to-live process for new features and innovations. Develop and maintain AWS … Ensure secure handling of sensitive production data in line with FCA standards. Collaborate with CRRM and IPG teams to align infrastructure and release processes. Troubleshoot and optimise performance of AWS-hosted services. Must-Have Qualifications Strong hands-on experience with AWSservices (Lambda, S3, CloudFormation, Terraform, etc.). Proficiency in Python and/or Node.js, with experience building CI/ More ❯
Senior Data Engineer - AWS 📍 London | Hybrid (3 days in office) 💼 Full-time | Permanent 💰 £75,000 – £90,000 per annum About the Role We’re seeking a technically skilled and commercially minded Senior Data Engineer with strong expertise in taking ownership over a product or task. This role sits within the Data Leadership Team and reports directly to the Head of … resource utilisation) Troubleshoot issues and deliver solutions for high availability and reliability What We’re Looking For Experience 4+ years in a senior technical role, ideally within data engineering AWS stack: S3, EMR, EC2, Kinesis, Firehose, Flink/MSF Python & SQL Security and risk management frameworks Excellent communication and collaboration skills Desirable Event streaming and event streaming analytics in real More ❯