South East London, England, United Kingdom Hybrid / WFH Options
Halian
understanding of cloud architecture, infrastructure-as-code (e.g., Terraform, CloudFormation), and CI/CD pipelines Experience with relational and NoSQL databases (e.g., SQL Server, PostgreSQL, DynamoDB) Familiarity with event-driven architecture and messaging systems (e.g., SNS, SQS, Kafka) Proven track record working in FinTech or financial services environments Nice to Have: Frontend experience with modern frameworks (e.g., React More ❯
and low-level design documents. Be hands-on with coding in Java (latest versions) and guide teams on best practices. Drive adoption of modern architecture principles like Microservices , Event-Driven Architecture , CQRS , and SAGA patterns . Define and enforce coding standards, performance tuning, and best practices. Select appropriate AWS services and design cloud-native architectures with cost, scalability More ❯
deploy microservices that are scalable, loosely coupled, and independently deployable Develop and manage serverless applications using AWS Lambda , API Gateway , DynamoDB , S3 , SNS , SQS , and Step Functions Implement event-driven architectures and data processing pipelines Collaborate with front-end developers, DevOps, and product teams to deliver high-quality software Ensure code quality through unit testing , integration testing , and More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Futuria
with multi-agent LLM systems and agentic platforms (e.g., AutoGen, CrewAI), and experience deploying LLM-based applications Experience with tools such as LangChain, LangSmith, or Chainlit Exposure to event-driven architectures, asynchronous processing, and tools like Celery or Kafka Familiarity with CI/CD pipelines, Docker, and DevOps workflows Experience designing or integrating authentication and authorisation systems (e.g. More ❯
tech team on a long-term outside IR35 contract. You’ll be building and enhancing complex systems that support front-to-back office operations, working in a modern, event-driven architecture. Expect a fast-paced, collaborative environment where your code genuinely matters. What you’ll be doing: Developing high-performance C#/.NET Core applications Working on distributed … Kubernetes (nice to have) What we’re looking for: Proven C# expertise in a financial services or trading environment Strong understanding of multi-threading & async programming Experience with event-driven architecture Confident communicator with a proactive mindset £750/day | Outside IR35 | 12-month rolling | Hybrid (London) DM me or apply directly to learn more. More ❯
deploy microservices that are scalable, loosely coupled, and independently deployable Develop and manage serverless applications using AWS Lambda , API Gateway , DynamoDB , S3 , SNS , SQS , and Step Functions Implement event-driven architectures and data processing pipelines Collaborate with front-end developers, DevOps, and product teams to deliver high-quality software Ensure code quality through unit testing , integration testing , and More ❯
East London, London, United Kingdom Hybrid / WFH Options
Zettafleet
are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will: Design and develop highly-scalable, fault tolerant and eventdriven systems. Lead projects from inception to launch and beyond, having a high degree of autonomy and ownership over your work. Work closely with the founding team and contribute More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Evermore
Experience with AI/ML integrations or recommendation systems. Expertise in Matrix/Synapse integration for real-time messaging and communication. Knowledge of WebSockets, real-time messaging, and event-driven architectures. Background in platform monetisation and payment integration. Strong familiarity with access control, authentication (OAuth, JWT), and data privacy regulations. More ❯
East London, London, United Kingdom Hybrid / WFH Options
Zettafleet
are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will: Design and develop highly-scalable, fault tolerant and eventdriven systems. Take ownership of tasks, having a high degree of autonomy over your work. Work closely with the founding team and contribute towards best practices, standards, and culture More ❯
ll Be Building Scalable backend services and operational tooling using Node.js, TypeScript, and AWS APIs and data pipelines to support logistics, supply chain, and real-time store operations Event-driven systems and distributed architecture for fast, fault-tolerant execution Back-office tools and dashboards for internal teams—integrated directly with on-the-ground workflows Systems to optimise KPIs … inventory speed Tech Stack Backend: Node.js, TypeScript, Express Data: PostgreSQL, MongoDB, event streams Infra: AWS (Lambda, DynamoDB, EventBridge), GCP, Docker, CI/CD pipelines Architecture: Serverless, microservices, event-driven Tooling: Monitoring, dashboarding, dev tooling, cloud infra automation ✅ What You Bring 5+ years backend experience with Node.js and TypeScript Deep experience with SQL/NoSQL databases and data More ❯
streamlining SME lending for banks and alternative lenders. Looking for a Senior Software Engineer on a contract basis to support a major platform upgrade and help scale our event-driven architecture. Role details: Tech Stack: Go, TypeScript, AWS (Lambda, DynamoDB), PostgreSQL Build and refactor cloud-native microservices Work closely with product and architecture teams in a fast-paced More ❯
East London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
versions (e.g. C# v9.0+ and .NET 6.0+, ideally v10.0/.NET 8.0) Proficiency in Azure cloud services (e.g. Azure SQL, Cosmos DB, Functions, Container Apps) Experience with microservices, event-driven architectures, and automated testing Familiarity with messaging systems such as Azure Service Bus, Event Grid, or Event Hub Practical experience with Infrastructure as Code tools like More ❯
least one scripting/programming language (e.g., Python, Java, Scala) for data manipulation and pipeline development. Scala is mandated in some cases. Deep understanding of data lakehouse design, event-driven architecture, and hybrid cloud data strategies. Strong proficiency in SQL and experience with schema design and query optimization for large datasets. Expertise in BigQuery, including advanced SQL, partitioning More ❯
frameworks, and performance monitoring Desirable Skills: Background in serverless technologies (e.g. Lambda, Step Functions, API Gateway) Experience with data tools like EMR, Glue, or Apache Spark Understanding of event-driven architecture (EventBridge, SNS, SQS) Knowledge of AWS database offerings including DynamoDB and RDS Familiarity with multi-region deployments and failover strategies AWS certifications (Solutions Architect, DevOps Engineer) preferred More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Simon James IT Ltd
CI/CD pipeline design and implementation Collaborate with development teams to establish consistent alarming, monitoring, and operational excellence The ideal candidate will be experienced with Serverless Architecture, eventDriven Architecture, Data processing technologies, and will have AWS certifications (SA or DevOps More ❯
ability to lead and influence technical decision-making. Drive innovation toward building high-scalable, real-time data pipelines and data distribution solutions Experience with enterprise integration patterns, including event-driven architectures and messaging systems Leadership & Collaboration: Comfortable acting as the primary interface with senior leaders, stakeholders, and executives, driving consensus across competing objectives. Exceptional leadership, communication, and interpersonal More ❯
ability to lead and influence technical decision-making. Drive innovation toward building high-scalable, real-time data pipelines and data distribution solutions Experience with enterprise integration patterns, including event-driven architectures and messaging systems Leadership & Collaboration: Comfortable acting as the primary interface with senior leaders, stakeholders, and executives, driving consensus across competing objectives. Exceptional leadership, communication, and interpersonal More ❯
user base (aiming to serve over 100,000 active customers). In this hands-on capacity, your contributions will involve: Creating Robust Backend Systems: Conceptualising and implementing resilient, event-driven solutions utilising technologies such as queues, message brokers, and databases to power the central fintech application. Promoting Technical Excellence & Language Adaptability: Crafting secure, high-quality code, primarily in … team is open to both experienced senior engineers and promising mid-level candidates. Ideal applicants will possess: A profound understanding of backend fundamentals, including queues, databases, message brokers, event-driven architectures, and system monitoring. Proficiency in TypeScript/Node.js or similar contemporary languages, coupled with the aptitude to quickly master new technologies. Demonstrated production-level experience in at More ❯
with Python and distributed systems Deep familiarity with GCP or similar cloud platforms Background in FinTech or payment systems (ideal but not essential) Strong grasp of containerisation and event-driven architecture Hybrid – 1–2 days/week in London £550–£650/day Outside IR35 More ❯
code daily, influence key architectural decisions, and ship fast using modern tools and AI. Build a modern backend from scratch in C#/.NET 8 with a clean, event-driven architecture Help architect a scalable system using CQRS, Event Sourcing, DDD, microservices Own key components in AWS: Lambda, SQS, SNS, DynamoDB, PostgreSQL, API Gateway Work in a More ❯
East London, London, United Kingdom Hybrid / WFH Options
Humand Talent
systems Working with Linux-based systems CI/CD, Docker or Kubernetes Internal tooling, API design and service orchestration Frontend technologies such as React Networking, messaging protocols or event-driven systems We encourage applications from candidates with transferable skills or experience from different sectors. If you’ve solved similar challenges elsewhere, we’d love to hear from you. More ❯
East London, London, United Kingdom Hybrid / WFH Options
Humand Talent
systems Working with Linux-based systems CI/CD, Docker or Kubernetes Internal tooling, API design and service orchestration Frontend technologies such as React Networking, messaging protocols or event-driven systems We encourage applications from candidates with transferable skills or experience from different sectors. If you’ve solved similar challenges elsewhere, we’d love to hear from you. More ❯
Exceptional communication and collaboration skills, with the ability to influence technical and non-technical stakeholders alike. Bonus Qualifications Experience with machine learning infrastructure and MLOps practices. Familiarity with event-driven architectures, particularly in mobile-first environments. Background in fashion, marketplaces, or sustainability-focused technology sectors. More ❯
and feedback to make it happen. Some of the technologies we use, and day-to-day tasks include developing with: Relational databases (PostgreSQL, MySQL, etc.) OpenSearch DynamoDB S3 Event-driven architectures Third-party API integration Access control and user permissions Implementing APIs used by single-page applications WebSockets Infrastructure as code (AWS CDK, Terraform, etc.) Docker AWS IoT More ❯