involved in the full end-to-end lifecycle from design to testing to deployment. Exposure to pipeline automation tools. Should have experience with integrating applications using APIs. Understanding of GraphQL advantageous. Exposure to C#/Java, SQL, back end development or integration and willing to learn more. Exposure to AWS, S3, Lambdas, SNS, SQS or equivalents on other cloud environments. More ❯
mission is to elevate the quality, scalability, and performance of our codebase to the next level. Key Responsibilities: Develop and implement complex, high-quality features using React, Typescript, NodeJS, GraphQL, PostgreSQL. Design and safeguard our long-term architecture. Proactively contribute to the product roadmap and technical feasibility discussions. Coach and mentor junior and medior developers through pair programming and code More ❯
Oxford, England, United Kingdom Hybrid / WFH Options
Randstad Staffing
such as Java, JavaScript, Python, AWS. Expertise in building enterprise-level integration solutions. 10 years of expertise in designing, developing, and managing APIs, including AsyncAPIs, RESTful APIs, SOAP APIs, GraphQL, and webhooks for integration purposes. Expertise in designing and implementing enterprise-level integration and orchestration solutions in AWS using services like EventBridge, Lambda, SNS/SQS, API Gateway, Transfer Family More ❯
skills Desirable Solid understanding of microservices development SQL and NoSQL databases working set Familiar with or able to quickly learn Apache NiFi, Apache Airflow, Apache Kafka, KeyCloak, Serverless Computing, GraphQL, APIs, APIM Good skills working with JSON, XML, YAML files Knowledge in Python, Java, awk, sed, Ansible, Salt Stack, Terraform Experience working in a financially regulated environment Working with clients More ❯
involved in the full end-to-end lifecycle from design to testing to deployment. Exposure to pipeline automation tools. Should have experience with integrating applications using APIs. Understanding of GraphQL advantageous. Exposure to C#/Java, SQL, back end development or integration and willing to learn more. Exposure to AWS, S3, Lambdas, SNS, SQS or equivalents on other cloud environments. More ❯
London, England, United Kingdom Hybrid / WFH Options
Gambling.com Group
Requirements 3+ years of professional experience as a full-stack developer Solid experience with modern PHP and Laravel Experience with relational databases (e.g., MySQL, PostgreSQL) Familiarity with RESTful APIs, GraphQL, and microservices architecture Knowledge of cloud platforms (preferably AWS) Strong problem-solving skills and attention to detail Excellent communication and collaboration skills Keen interest in AI and LLM and practical More ❯
maintaining production-level software * Typescript & React : deep understanding of both front-end and back-end usage * AWS : experience running live production workloads (we use ECS, RDS, Lambda, SQS, VPC) * GraphQL : built and consumed APIs at scale * PostgreSQL : confident writing queries, designing schemas, and shipping DB changes without downtime * Strong communication : able to collaborate clearly with non-technical team members * Latest More ❯
Brighton, England, United Kingdom Hybrid / WFH Options
exl
Driven Development (TDD), Behaviour Driven Development (BDD), and Waterfall). Familiarity with any or all of the following technologies: Kafka, Postgres, Java, Git (GitHub, GitLab, BitBucket, SVN), Spring, Docker, GraphQL, JIRA, Spring Boot. Experience in continuous integration (CI) and continuous delivery (CD) processes. Skills and Personal attributes we would like to have: Strong technical ability with a passion for continuous More ❯
London, England, United Kingdom Hybrid / WFH Options
KnowBe4
hands-on Object-Oriented Programming (OOP) experience C# .Net Solid understanding of software design patterns (best practices) and anti-patterns Solid hands-on experience implementing REST and/or GraphQL based micro-services Able to design and diagram highly available and fault-resilient AWS/Azure infrastructure and micro-services Proven experience designing, implementing, and managing Microfrontend architectures, enabling multiple More ❯
environment 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 Demonstrable understanding of the full More ❯
Terraform PREFERRED QUALIFICATIONS - Experience leading technical implementations at enterprise scale - AWS services and cloud computing technologies experience - Knowledge of database technologies (SQL and NoSQL) and modern protocols (gRPC, WebSocket, GraphQL) - Experience with security compliance and risk management (SOX, HIPAA) - Strong communication and customer relationship skills - Experience with test automation and deployment practices - Track record of solving complex technical challenges Amazon More ❯
on experience in performant and scalable database design in SQL, NOSQL and GRAPH databases such SQL Server/PgSQL, MongoDB, Cassandra, Redis ,Apache Druid • Solid experience in REST APIs, GraphQL & gRPC • Strong hands-on experience in GitHub/GitLab and testing tools/frameworks such as SonarQube, xUnit, Postman, Cucumber, Polaris, Blackduck. • Strong hands-on experience in any one or More ❯
London, England, United Kingdom Hybrid / WFH Options
MediSolution
A Bachelor's degree in computer science, Information Technology, or a related field Mid to senior level experienced developer Experience with APIs and using patterns such as REST and GraphQL Experience with testing frameworks and methodologies, ensuring the delivery of high-quality software Strong problem-solving skills and attention to detail Excellent communication and collaboration skills Desirable (but not essential More ❯
A Bachelor's degree in computer science, Information Technology, or a related field Mid to senior level experienced developer Experience with APIs and using patterns such as REST and GraphQL Experience with testing frameworks and methodologies, ensuring the delivery of high-quality software Strong problem-solving skills and attention to detail Excellent communication and collaboration skills Desirable(but not essential More ❯
Wakefield, Yorkshire, United Kingdom Hybrid / WFH Options
Flippa.com
organized, and accessed in the most efficient and effective manner. Your Toolkit The Languages You Speak : Python, SQL, the dialect of data. Libraries Tools : Terraform, Flask, Pandas, FastAPI, Dagster, GraphQL, SQLAlchemy, GitLab, Athena. Your Trusted Companions : Docker, Snowflake, MongoDB, Relational Databases (eg MySQL, PostgreSQL), Dagster, Airflow/Luigi, Spark, Kubernetes. Your AWS Kingdom : Lambda, Redshift, EC2, ELB, IAM, RDS, Route53 More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
WorksHub
/requirements. Experience of designing, building & operating distributed systems with multi-level failover & fallback strategies. Experience with Cloud Infrastructure, preferably with AWS . Web services experience: including REST and GraphQL . Monitoring and optimising applications written for the JVM . Relational and NoSQL databases, particularly PostgreSQL, Aurora, & DynamoDB with experience modelling & optimising query performance. Kinesis or any other streaming data. More ❯
concepts clearly. Other important skills: Experience with infrastructure automation tools (e.g., Terraform, Pulumi). Database - PostgreSQL Knowledge of CI/CD tools like GitLab CI/CD. Familiarity with GraphQL and REST APIs. Understanding of observability tools, ideally Datadog. LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies, and enabling More ❯
offered by AWS like DynamoDB. We're big fans of using the right tool for the job. The main product frontend is all Typescript/React that talks to GraphQL backends. Other parts of the business use React/NextJS or even Svelte. We've spent time looking at maturing technologies like Web Components and have some ideas on improving More ❯
designing and implementing integrations between Shopify and various third-party enterprise systems Solid grasp of core web technologies: HTML5, CSS3/SASS, JavaScript (ES6+), JSON, REST APIs, and ideally GraphQL Familiarity with modern JavaScript frameworks (e.g., React, Vue.js) and frontend build tools Experience with various software development methodologies (Agile, Scrum, Waterfall) and understanding of SDLC in enterprise environments (including CI More ❯
and tools like Spring Boot, Spring MVC, and Hibernate for building scalable, maintainable back-end services. API Development: Ability to design, build, and consume RESTful APIs and/or GraphQL services, with a strong focus on security, performance, and best practices. Microservices & Distributed Systems: Understanding of microservices architectures, service orchestration, and inter-service communication patterns. Cloud & DevOps: Hands-on experience More ❯
back-end development using Node.js or similar technologies. Experience with responsive design, Progressive Web Apps (PWA’s) and mobile-first development, and cross-browser compatibility. Familiarity with RESTful APIs, GraphQL, JSON, WebSocket’s, and integration with backend services. Experience with unit testing frameworks (JUnit, Espresso, etc.) and automated testing tools. Deep understanding of UI/UX design principles for web More ❯
The tech stack is React Native mobile app , some React web 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 More ❯
London, England, United Kingdom Hybrid / WFH Options
ZigZag Global
to our grown-up mindset by implementing scalable and resilient solutions. Application Support Technology Stack Cloud Platforms: AWS, Azure Databases: SQL Server, MongoDB, CosmosDB, mySQL APIs & Integrations: RESTful APIs, GraphQL APIs, SOAP APIs, Postman, Swagger Scripting & Automation: Python, Bash, PowerShell Key Responsibilities: Infrastructure Management: Lead the DevOps Team to: Design, implement, and maintain scalable and secure infrastructure solutions on Microsoft More ❯
London, England, United Kingdom Hybrid / WFH Options
Amber Electric
The tech stack is React Native mobile app , some React web 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 More ❯
London, England, United Kingdom Hybrid / WFH Options
Amber Electric
The tech stack is React Native mobile app , some React web 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 More ❯