reference data with ease. Backend Service Development : Build robust Java-based backend services that provide secure and performant access to reference data. API Development : Design and implement RESTful and GraphQL APIs that will serve reference data to numerous consuming applications across the trading ecosystem. Data Modelling : Collaborate with data architects to implement optimal data models that support complex reference data More ❯
for improving coding and development practices. You have worked with microservices communicating over a range of interfaces. You understand how the web works, REST APIs, OpenAPI spec/Swagger, GraphQL, and the difference between REST and RPCs. You understand TDD, BDD, unit testing, integration testing and when to use them. You are familiar with trunk-based development in git. Experience More ❯
e.g. git/GitHub, DevOps tools, metrics/monitoring, ) Proficiency in front-end technologies: JavaScript, Typescript, React.js, Angular.js or similar. API development using technologies and standards like REST/GraphQL/gRPC or similar. Experience in an open-source web framework preferably implemented in Python, Java, Scala, or similar. Experience with Authentication & Authorisation Mechanisms e.g OAuth2 Application experience of CI More ❯
Work on both frontend (React) and backend (Node.js, Go) components Improve DevOps practices, CI/CD pipelines, and cloud infrastructure (AWS) Contribute to intuitive user interfaces and robust APIs (GraphQL, REST, gRPC) Help drive integration with LLMs and hybrid AI systems Participate in architecture discussions, code reviews, and agile ceremonies What We’re Looking For: Strong experience in full-stack More ❯
proficient in English, written and spoken. Proficiency with TypeScript, Next.js, Node.js and React Native. Experience deploying to Google Cloud, Vercel, or other cloud providers. Comfort working across REST, WebSockets, GraphQL, or gRPC APIs. Ability to architect and maintain scalable, secure systems with a clean codebase. Experience working with CI/CD pipelines, version control (Git), and Agile methodologies. Organised, detail More ❯
Essential Demonstrable experience designing, developing and maintaining distributed, event-driven, cloud-native systems Expert in the latest versions of .NET Framework and .NET Core (C#) Experience in API (REST, GraphQL) design and development Experience in relational database design and optimization (MSSQL, MySQL, etc.) Experience in the deployment and management of cloud (AWS, Azure, etc.) assets Appreciation of the full SDLC More ❯
GitHub). Strong communication skills with an ownership mindset and a focus on delivering high-quality outcomes. Desirable Experience (Nice to have): Experience with AWS, Tailwind CSS, PostgreSQL, Express, GraphQL, Terraform, .NET Core, or C#. Familiarity with multi-tenanted architecture and accessibility standards. Knowledge of mobile application development. Enthusiasm for using AI development tools (such as AI-powered IDEs) and More ❯
and maintaining cloud-native SaaS platforms. Hands-on with component libraries, monorepo tools (e.g., Nx, Turborepo), and state management (MobX, Zustand, Redux, or React Query). Familiar with REST, GraphQL, and real-time data streaming (e.g., WebSockets, SSE). Experience building for multi-tenant, micro-frontend architectures (preferred). Nice to Have Familiarity with accessibility standards (WCAG 2.1) and implementation More ❯
Design & build scalable backend services and data pipelines - written in Python and deployed with Docker & Kubernetes. Integrate with enterprise ecosystems -enterprise software systems such as SAP and Oracle ERP, GraphQL/REST APIs, SFTP feeds, and event buses (Kafka, Pulsar). Wrangle large, heterogeneous data sets -model, transform, and index multi-modal, multi-terabyte enterprise datasets for advanced workloads Develop More ❯
our Tech Radar here which we are constantly iterating, and below you can find a small reflection of our current tech stack: Frontend: React Native (iOS and Android) Typescript GraphQL (Apollo Client) Fastlane SwiftUI (Apple Watch) Maestro E2E tests Backend: Serverless (AWS) Lambdas (NodeJS & Python) AWS AppSync DynamoDB, S3, SQS, SNS, EventBridge, SageMaker Snowflake All the other good stuff: Sentry More ❯
Postman or similar tools Charles/Proxyman or similar tools Bitrise/Gitlab CI Experience working with iOS development, website and microservice teams, including skills in Swift/iOS, GraphQL, Microservice Architectures, Docker, Kubernetes, cloud platforms like AWS, GCP, Azure, UX principles, web technologies (HTML, CSS), JavaScript libraries (React, Redux, Webpack), server-side languages (Java/Kotlin) Additional Information: The More ❯
and functions. Develop responsive and intuitive UIs using frameworks like React, Vue.js, or Angular. Write clean, scalable, and maintainable code following best practices and coding standards. Integrate RESTful or GraphQL APIs and handle client-server communication securely. Implement CI/CD pipelines and collaborate with DevOps for deployment and monitoring. Write automated unit and integration tests to ensure code reliability. More ❯
GitHub). Strong communication skills with an ownership mindset and a focus on delivering high-quality outcomes. Desirable Experience (Nice to have): Experience with AWS, Tailwind CSS, PostgreSQL, Express, GraphQL, Terraform, .NET Core, or C#. Familiarity with multi-tenanted architecture and accessibility standards. Knowledge of mobile application development. Enthusiasm for using AI development tools (such as AI-powered IDEs) and More ❯
and NoSQL/Postgres Familiarity with CI/CD tools such as Jenkins and Git Clear communicator with strong teamwork and problem-solving skills Desirable Skills: Experience with Kafka, GraphQL, gRPC, Docker Test-driven development (TDD/BDD) Agile methodologies (Scrum, Kanban, SAFe) Exposure to cloud-native patterns and services If you're passionate about building high-performing backend systems More ❯
ensure efficiency and scalability. Skills & experience we are looking for: Tech Stack Expertise - Skilled in TypeScript (Node.js mainly but also React) & Cloud technologies such as AWS. Familiarity of Kubernetes, GraphQL, Kafka, and Mongo would be desirable. Leadership Experience - You have a strong track record in designing large-scale, cloud-based distributed systems and have previous experience leading an engineering team More ❯
Agents Experience with building resilient and high-performance backend architectures (e.g., REST APIs, microservices). Nice to have Certifications in AWS Solutions Architecture, Docker, or Agile methodologies. Experience with GraphQL and additional modern frameworks (e.g., NestJS). Exposure to low-code platforms (e.g., Retool) for rapid application development. Experience in DevOps practices, including infrastructure-as-code (IaC), monitoring, alerting, and More ❯
stage interview Requirements Proven experience as a Frontend Engineer with proficiency in React, React Native, Next.js Strong understanding of JavaScript, TypeScript, HTML, and CSS Familiarity with RESTful APIs and GraphQL Experience with testing tools such as Vitest, React Testing Library, and Playwright Knowledge of Continuous Integration and Delivery techniques Experience with Cloud Platforms, ideally AWS Advocate of automation at all More ❯
Proficiency in HTML, CSS, JavaScript, and frameworks such as React, Angular, or Vue.js Experience with D3.JS or similar advanced visualisation libraries Strong understanding of API development and integration (REST, GraphQL) Familiarity with database technologies and query languages (SQL, NoSQL) Experience working with data sources such as Microsoft Fabric’s Data Lake, Power.B.I., Qlik Sense, Airtable, and Databricks Good grasp of More ❯
development cycle Key requirements: Essential Skills: Proficient in modern JavaScript , including React and/or React Native Strong knowledge of TypeScript Solid experience with Node.js Familiarity with REST and GraphQL APIs Strong understanding of responsive design and modern CSS techniques Experience writing unit and component tests using Jest , React Testing Library , or similar Familiar with Storybook and writing visual regression More ❯
agile practices (e.g. Kanban, Scrum, etc.) Collaborating in cross-functional teams It'd be amazing if you can also: Make use of modern UI data layer technologies (i.e. Relay, GraphQL, Apollo, etc.) Design, build, debug and help contribute to evolving cloud based architectures following Everything-as-Code principles Design an agile release engineering strategy that delivers value incrementally and continuously More ❯
CD. Experience with CI tools (Jenkins, Concourse) and testing frameworks. Experience optimizing web applications for performance, security, and resilience. Knowledge of other languages and frameworks like TypeScript, NodeJS, NextJS, GraphQL, Cypress. Experience with AWS Lambdas. Willingness to participate in a rotational on-call schedule for 24/7 support (about 1 week every 2 months). On-site presence in More ❯
and communicate with external parties. Qualifications: Extensive relevant experience coding in Java, Java Frameworks, Concurrency, Python Experience in building big data Hadoop distributed platforms, Microservices, Event-Driven, API (RestFul, GraphQL, Messaging, etc), Secure Design and Coding, Blueprints, Patterns, and Code Standards. Experience in CICD Pipelines and tools such as Harness, Ansible, Tekton, Jenkins, SonarQube, Junit/Cucumber, Observability (e.g: Prometheus More ❯
decisions Desirable skills/experience Tools like Postman, Charles/Proxyman, Bitrise/Gitlab CI Knowledge of Application Security Experience working with Android teams, web, and microservices Knowledge of GraphQL, Microservice Architectures, Docker, Kubernetes, cloud platforms (AWS, GCP, Azure), UX principles, web technologies, Java/Kotlin Additional Information Application involves an online assessment, CV upload, and questions. More info at More ❯
potential impact on Appwrite's platform. Participate in code reviews and architectural discussions, fostering a culture of continuous improvement. Requirements Experience building and consuming REST APIs, with experience in GraphQL being a plus. Strong knowledge of relational databases (PostgreSQL, MySQL), including optimization, scalability, and high-throughput design. Familiarity with containerization (Docker) and orchestration (Kubernetes). Proficiency in backend languages like More ❯
environments. Exceptional communication and leadership skills with a track record of mentoring teams to success. Entrepreneurial mindset with ownership of key projects and technical direction. Bonus Skills Familiarity with GraphQL , Prisma ORM , and other advanced technologies. Experience with Azure IoT Hub , Azure Functions , and serverless architecture . Previous experience in leading multi-location or hybrid teams. Why Harmony Fire? At More ❯
