Development : While everyone has a certain focus, we want people to design, develop, and maintain scalable frontend and backend features using Ruby, Node.js, K8, AWS Lambda, Terraform, MySQL , DynamoDB, Redis, and more. Systems Thinking : Design cohesive solutions that consider individual components and the overall user experience while allowing us to grow. Efficient Problem-Solving : Identify and resolve issues … with demonstrated success in building high-traffic APIs and services. Technical Expertise : Strong proficiency in Ruby, TypeScript/Node.js, relational databases ( MySQL/PostgreSQL), non-relational databases (e.g. dynamoDB), event-driven systems (e.g. SNS/SQS, RMQ , Kafka), as well as Docker, Kubernetes and enterprise-level distributed system architecture. Cloud Platform Experience : Working knowledge of major cloud platforms More ❯
Central London, London, United Kingdom Hybrid / WFH Options
Staffworx Limited
that integrate with enterprise systems and cloud platforms. Develop and optimize RESTful and GraphQL APIs to facilitate AI-driven interactions. Utilize AWS services (Lambda, S3, API Gateway, SageMaker, DynamoDB, ECS, etc.) to deploy scalable AI solutions. Implement Full Stack JavaScript (Node.js, React.js, Express, TypeScript, Next.js, etc.) applications to support AI-driven interfaces. Work closely with data scientists and More ❯
understanding of software testing methodologies, excellent analytical skills, and a passion for delivering high-quality products. Tech Stack: AWS Serverless Lambda with Node.js API Gateway (REST/JSON) DynamoDB S3 WAF Back-Office Banking Systems API Integration Dynamics 365 CRM React.js (website)/React Native (app) Responsibilities: Collaborate with cross-functional teams to understand project requirements and define … Experience with performance testing and load testing tools (e.g., JMeter, LoadRunner). Experience with database testing and SQL query language. Experience testing AWS services like Lambda, API Gateway, DynamoDB, and S3. Understanding of security testing concepts and tools (e.g., OWASP ZAP, Burp Suite). Knowledge of usability testing and user experience (UX) principles. Start-up experience Attributes: Effective More ❯
for scalable web applications. Technical Skills Frontend: React, Vue.js, or Angular with TypeScript. Backend: Node.js, TypeScript, Express, or NestJS. Databases: Experience with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) . Cloud & DevOps: Experience with AWS services (Lambda, S3, Cognito, RDS) and containerization (Docker, Kubernetes). Security & Compliance: Familiarity with OAuth, JWT, HIPAA/GDPR compliance. Join a purpose More ❯
fully built on cloud-native and serverless technologies. Our primary stack is based on Typescript with React & Material UI, Postgres, Hasura and AWS Serverless Technologies such as Lambda, DynamoDB and EventBridge - all managed via AWS CDK & SST. We use Sentry, Lumigo and LogRocket for observability and Github Actions for automated testing and deployment. End-to-end Ownership. You More ❯
CQRS , Event Sourcing , SAGA , and Domain-Driven Design (DDD) . Extensive experience with AWS cloud ecosystem – services like EC2, S3, Lambda, SNS/SQS, API Gateway, RDS/DynamoDB, CloudFormation, etc. Familiarity with containerization and orchestration (Docker, Kubernetes, ECS/EKS). Strong system design and problem-solving skills. Proficiency in CI/CD tools and DevOps practices. More ❯
CQRS , Event Sourcing , SAGA , and Domain-Driven Design (DDD) . Extensive experience with AWS cloud ecosystem – services like EC2, S3, Lambda, SNS/SQS, API Gateway, RDS/DynamoDB, CloudFormation, etc. Familiarity with containerization and orchestration (Docker, Kubernetes, ECS/EKS). Strong system design and problem-solving skills. Proficiency in CI/CD tools and DevOps practices. More ❯
experience in software development & design Proven experience in one of the following: Typescript, Node.Js Experience with AWS or similar cloud providers, and serverless technologies e.g. AWS Lambda, Kinesis, DynamoDB, API Gateway A drive to get things done in a collaborative, agile development environment A proven ability to perform well in a fast-paced environment Excellent analytical and multitasking More ❯
experience in designing, developing, and optimizing backend systems for data processing at scale within AWS Hands-on experience with AWS services, such as; ALB, S3, ElastiCache, IAM, CloudWatch, DynamoDb, EKS Knowledge and experience on Kubernetes is advantageous Experience in building scalable, distributed REST/HTTP-based microservices on hybrid cloud environments Experience with high concurrency applications, multithreading, low More ❯
and below you can find a small reflection of our current tech stack: Frontend: React Native (iOS and Android) Typescript Fastlane SwiftUI (Apple Watch) Serverless (AWS) AWS AppSync DynamoDB, S3, SQS, SNS, EventBridge, SageMaker Postman API tests All the other good stuff: Sentry GitHub Actions Intercom, Mixpanel RevenueCat App Store Connect/Play Store Figma Software Engineer Interview More ❯
Experience with TypeScript front-end frameworks: Angular, React, Vue Experience with commonly used relational database: MySQL, SQL Server, Postgres Experience with commonly used non-relational databases: MongoDB, DocumentDB, DynamoDB Docker and container-hosting: AWS ECS, Kubernetes General Amazon AWS knowledge (or equivalent): EC2, S3, CloudFront, Elastic Beanstalk, Dynamo DB Basic networking knowledge and troubleshooting Experience with any More ❯
Technologies: Docker SQL NoSQL AWS Lambda DynamoDB application security HTML5 ES2018 React Redux Webpack NodeJS REST APIs Git Software Architecture Scalable Apps Optimisation The Benefits: Situated in the heart of London's Tech City with easy access to the mainline and tubes, the area is now a trendy area to live and work, with creative businesses and smart … campaigns Team mentoring and best practice guidance and code reviews Experience with running or contributing to hackathons Skillset - Expert Knowledge/Experience Docker SQL/NoSQL AWS Lambda DynamoDB Application Security Skillset: Degree in Computer Science or related area Excellent communication skills in English, both written and verbal HTML5 ES2018 Webpack Node.js REST APIs Git/workflow models More ❯
East London, London, United Kingdom Hybrid / WFH Options
Tech 4
Experience of working in an agile environment and an understanding of Scrum principles in particular. Experience writing and consuming RESTful APIs in Python. Experience with AWS services (Lambda, DynamoDB, ElasticSearch). Experience with creating web application UIs using ReactJS and with TypeScript The Directorate This role will work closely with our Head of Engineering, Head of Data Science More ❯
East London, London, United Kingdom Hybrid / WFH Options
Tech 4
Experience of working in an agile environment and an understanding of Scrum principles in particular. Experience writing and consuming RESTful APIs in Python. Experience with AWS services (Lambda, DynamoDB, ElasticSearch). Experience with creating web application UIs using ReactJS and with TypeScript The Directorate This role will work closely with our Head of Engineering, Head of Data Science More ❯
Experience of working in an agile environment and an understanding of Scrum principles in particular. Experience writing and consuming RESTful APIs in Python. Experience with AWS services (Lambda, DynamoDB, ElasticSearch). Experience with creating web application UIs using ReactJS and with TypeScript The Directorate This role will work closely with our Head of Engineering, Head of Data Science More ❯
E1 1AB, Whitechapel, Greater London, United Kingdom
Tech4 Ltd
Experience of working in an agile environment and an understanding of Scrum principles in particular. Experience writing and consuming RESTful APIs in Python. Experience with AWS services (Lambda, DynamoDB, ElasticSearch). Experience with creating web application UIs using ReactJS and with TypeScript The Directorate This role will work closely with our Head of Engineering, Head of Data Science More ❯
standards. Supported by global teams of engineers, QAs, SREs, and DevOps professionals. Comfortable managing a mix of direct reports and shared teams Skills & Experiences AWS Technologies (e.g. ECS, DynamoDB, Lambda, Aurora, SQS, SNS, VPC, Private Link, etc.) Multi-threading & Socket Programming: Java + Spring Applications Architectures - Event Sourcing, CQRS, Polyglot Database, Traditional OLTP, OLAP DevOps - Provisioning-based Infrastructure More ❯
processing tools. -Infrastructure Know-How: Confident working with Terraform and CI/CD pipelines in a cloud-native environment. -Database Familiarity: Skilled in both SQL and NoSQL (PostgreSQL, DynamoDB, OpenSearch, or equivalents), using ORMs like Django or SQLAlchemy. -Observability & Monitoring: Comfortable using tools like CloudWatch, X-Ray, and structured logging to keep systems running smoothly. -Mindset: Curious, Collaborative More ❯
and optimizing backend systems for data processing at scale within AWS. In-depth knowledge and hands-on experience with foundational AWS services, such as ALB, ECS, S3, ElastiCache, DynamoDB, IAM, CloudWatch. Proficiency in both relational and NoSQL databases, with an understanding of database design, optimization, and management. Strong skills in Infrastructure as Code (IaC) tools, such as Terraform More ❯
.Net Framework and experience in Front-end JavaScript frameworks like Angular & React - Traditional Relational Database technologies like Oracle, MS SQL Server and - No SQL Databases like MongoDB or DynamoDB - SOA & Microservices architecture implementation using REST APIs, queue-based messaging patterns, exposure to Mulesoft/Kong is a plus - On-premise/cloud-based infrastructures, SDLC pipelines, and deployments More ❯
frontends , and a Serverless Lambda backend on AWS . We're using Typescript top to bottom , and Apollo GraphQL sits in the middle. We keep our data in DynamoDB , Postgres and snowflake for our data-lake using one or the other as best suits a particular workload. You can learn more about our tech stack at While we More ❯
Qualifications Experience with scripting and automation tools Familiarity with Infrastructure as Code (IaC) tools such as AWS CDK Knowledge of AWS services such as SQS, SNS, CloudWatch and DynamoDB Understanding of DevOps practices, including CI/CD pipelines and monitoring solutions Understanding of cloud services, serverless architecture, and systems integration Key job responsibilities As a Business Intelligence Engineer … both business and technical teams. Preferred qualifications: Experience with data-specific programming languages/packages such as R or Python Pandas. Experience with AWS solutions such as EC2, DynamoDB, S3, and EMR. Knowledge of machine learning techniques and concepts. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and More ❯
experience with data modeling, data warehousing, ETL/ELT pipelines and BI tools. - Experience with cloud-based big data technology stacks (e.g., Hadoop, Spark, Redshift, S3, EMR, SageMaker, DynamoDB etc.) - Knowledge of data management and data storage principles. - Expert-level proficiency in writing and optimizing SQL. - Ability to write code in Python for data processing. - Business level English More ❯
Strong hands-on experience with TypeScript and Node.js. Frontend familiarity is helpful (e.g. React). Proficiency with AWS services in a serverless context, especially CloudFront, API Gateway, Lambda, DynamoDB, and CloudWatch. Responsibilities Key responsibilities in this role will include: Maintaining and expanding our serverless card payment infrastructure built with TypeScript, Node.js, and AWS (Lambda, API Gateway, DynamoDBMore ❯