technologies such for Kotlin (Android) and Swift (iOS) Strong understanding of server-side languages and frameworks such as Node.js, .NET, PHP, GoLang, Rust. Experience with database management systems e.g., MySQL, PostgreSQL, MS SQL Server, MongoDB. Familiarity with Git and branching strategies such as GitOps. Solid understanding of testing frameworks and methodologies e.g. Jest, Mocha, Selenium. Ability to write and maintain More ❯
technologies such for Kotlin (Android) and Swift (iOS) Strong understanding of server-side languages and frameworks such as Node.js, .NET, PHP, GoLang, Rust Experience with database management systems e.g., MySQL, PostgreSQL, MS SQL Server MongoDB). Familiarity with Git and branching strategies such as GitOps Solid understanding of testing frameworks and methodologies e.g. Jest, Mocha, Selenium. Ability to write and More ❯
proficiency in languages like HTML5, CSS3, JavaScript, Java Backend: proficiency in languages like PHP, Python Django/Flask, Node.JS, Express.JS Operating Systems: Windows, macOS Databases: proficiency in databases like MySQL, SQL Server, MongoDB, PostgreSQL, etc. Familiarity with platforms like Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), etc. Proficiency in version control systems such as Git Knowledge of More ❯
frameworks like React.js, Angular, or Vue.js . Strong backend development skills using Node.js, Express, Python (Django/Flask), Java (Spring), or .NET . Experience working with databases: SQL (PostgreSQL, MySQL) and/or NoSQL (MongoDB, DynamoDB) . Familiarity with version control tools (e.g., Git) and branching strategies. Experience with RESTful APIs, microservices architecture, and third-party integrations. Understanding of deployment More ❯
London, England, United Kingdom Hybrid / WFH Options
Futureheads
in front-end technologies (e.g., HTML, CSS, JavaScript) and frameworks (e.g., React, Vue.js) is a plus. Strong understanding of RESTful API design and implementation. Experience with relational databases (e.g., MySQL, PostgreSQL) and ORM frameworks (e.g., Eloquent). Familiarity with version control systems (e.g., Git). Strong problem-solving skills and the ability to work independently and in a team environment. More ❯
London, England, United Kingdom Hybrid / WFH Options
IB Boost Limited
products are broad but we primarily work with (in rough order of importance to our business, butnot necessarily what you'd work with directly in this role): Java Angular MySQL/MariaDB Spring AWS Maven Git Ansible HTML/CSS NodeJS Docker/Podman Jenkins Packer Terraform ElasticSearch Grafana Kibana Telegraf Ubuntu Nexus Windows Server Hyper-V Vagrant Eclipse RCP … on platform architecture How modern operational platforms (Kubernetes, OCI containers, etc.) integrate with the development process Linux (especially CentOS/Alma/Rocky/RHEL and Ubuntu) RDBMS (particularly MySQL/MariaDB/Postgres) but also an interest in in-memory persistence and column-oriented/document databases Modern DevOps environments, particularly virtualization and containerisation (Docker, Podman, Kubernetes, Open Stack … are broad but we primarily work with (in rough order of importance to our business, butnot necessarily what you'd work with directly in this role): Java JavaScript Angular MySQL/MariaDB Spring AWS Groovy Maven Git Ansible HTML/CSS NodeJS Azure Docker/Podman Kubernetes Jenkins CentOS/Alma/Rocky Packer Terraform Nginx ElasticSearch Grafana Kibana Telegraf More ❯
tools (e.g., Terraform, Ansible). Maintain and improve our cloud-based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Database Architecture & Optimization: Design and optimize databases (PostgreSQL, MySQL, or MongoDB) for high performance and scalability. Write efficient queries, manage indexing, and improve query performance. Implement data integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor and … in Ruby on Rails development. Strong experience with DevOps practices, including CI/CD pipelines, Docker, and cloud platforms (AWS, GCP, or Azure). Proficient in relational databases (PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB). Solid understanding of RESTful API design and integration. Proven experience leading development teams and mentoring junior engineers. Strong understanding of software architecture, version control More ❯
London, England, United Kingdom Hybrid / WFH Options
OnHires
experience. Expert-level knowledge of the Laravel framework. Strong understanding of the full HTTP workflow in multi-server environments. Experience with RESTful API design and implementation. Proficiency in both MySQL and PostgreSQL databases. System Administration & Infrastructure Working knowledge of Linux systems (command line, file permissions, process management). Hands-on experience with AWS services (EC2, S3, RDS, Lambda, etc.). More ❯
held significant positions in similar roles ● Experience working with cloud servers and real-time databases such as GCP, Firebase and AWS ● Experience of working with relational databases such as MySQL, Oracle and Microsoft SQL Server ● Experience in developing website and mobile app back-end system solutions ● Experience with front-end web development ● Experience of languages and platforms including PHP, Laravel More ❯
understanding of RESTful API design and development. Experience with containerization technologies such as Docker and orchestration tools like Kubernetes. Familiarity with database technologies, both SQL and NoSQL (e.g., PostgreSQL, MySQL, MongoDB). Understanding of solid engineering principles, including SOLID, DRY, and KISS. Strong knowledge of Software & Cloud design patterns, especially Strangler Fig. Experience with version control systems (e.g., Git) and More ❯
London, England, United Kingdom Hybrid / WFH Options
Validsoft
advanced Javascript, Web Services. Continuous Integration/Continuous Delivery. BDD, pair programming. Agile development methods such as Scrum or Kanban. REST API development and/or consumption. Relational databases MySQL, SQL Server, Postgres, etc. Experience in frontend work, eg. Java Script/Type Script, Angular, etc. What else you could bring: Docker, Kubernetes Jenkins, Gitlab CI. Familiarity with VoIP OAuth More ❯
and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary trading firm environment. Crypto More ❯
and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary trading firm environment. Crypto More ❯
and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary trading firm environment. Crypto More ❯
and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary trading firm environment. Crypto More ❯
london (city of london), south east england, united kingdom
Trireme
and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows, code branching strategies, and code ownership. Prior work in a fintech, hedge fund, or proprietary trading firm environment. Crypto More ❯
City of London, England, United Kingdom Hybrid / WFH Options
ACLED
OAuth 2.0, JWT, SAML) and security standards. Experience with CI/CD, GitHub workflows, automated deployment. Proficiency in Docker, cloud services (AWS/DigitalOcean), container orchestration. Database experience (PostgreSQL, MySQL, MongoDB). Experience supporting BCP and DR activities. Knowledge of web and API security best practices. Fluency in English, problem-solving skills, attention to detail, ability to work remotely. Desirable More ❯
and Angular). Experience implementing production solutions within a more developed cloud ecosystem, including within one of these: AWS, Azure, or GCP. Experience with RDBMS and NoSQL databases (e.g. MySQL, DynamoDB, Postgres, MongoDB). Strong understanding of cloud computing as it relates to scaling, security, containerized approaches, logging, monitoring, alerting, and security. Strong understanding of back-end solutions including Web More ❯
London, England, United Kingdom Hybrid / WFH Options
Solirius Reply
tools (e.g., Terraform, Ansible). Maintain and improve our cloud-based infrastructure (AWS, GCP, or Azure) to ensure scalability and reliability. Database Architecture & Optimization: Design and optimize databases (PostgreSQL, MySQL, or MongoDB) for high performance and scalability. Write efficient queries, manage indexing, and improve query performance. Implement data integrity and backup strategies to ensure data security. Leadership & Collaboration: Mentor and … in Ruby on Rails development. Strong experience with DevOps practices, including CI/CD pipelines, Docker, and cloud platforms (AWS, GCP, or Azure). Proficient in relational databases (PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB). Solid understanding of RESTful API design and integration. Proven experience leading development teams and mentoring junior engineers. Strong understanding of software architecture, version control More ❯
London, England, United Kingdom Hybrid / WFH Options
Vero HR
so being confident solving new and unusual problems independently is paramount. Our client is an AWS shop and relies heavily on services such as ECS, ECR, EC2, RDS (Aurora MySQL), S3, SQS, ElastiCache, Kinesis, and Lambda, so you will experience all of these in production. The current technology stack is primarily PHP and JavaScript, but there may be opportunity to More ❯
Good understanding of object-oriented design patterns and SOLID principles Strong attention to code quality and readability Experience designing relational database schemas Raw SQL writing and optimization, especially with MySQL Understanding of code branching and feature workflows with Git Hands-on experience on the LAMP stack Good knowledge of HTML 4 and 5 Understanding of CSS cascading, specificity, inheritance, floating More ❯
understanding of RESTful API design and development. Experience with containerization technologies such as Docker and orchestration tools like Kubernetes. Familiarity with database technologies, both SQL and NoSQL (e.g., PostgreSQL, MySQL, MongoDB). Understanding of solid engineering principles, including SOLID, DRY, and KISS. Strong knowledge of Software & Cloud design patterns, especially Strangler Fig. Experience with version control systems (e.g., Git) and More ❯
London, England, United Kingdom Hybrid / WFH Options
The Perl Programming Language
right candidate will also have understanding and experience of at least 3 of the following, and be capable of learning the rest as needed: • Distributed or large-scale systems • MySQL/SQL database design, query optimisation and admin • Web development in HTML, CSS, JavaScript, Vue/React • Apache web server software and related modules • Cloud platforms and concepts (AWS, Google … bugs other developers cannot Contributing towards monitoring, maintenance and administration of our production stack: • Dell R630/R640 servers running Debian Linux and containerised workloads (Docker Swarm) • Replicated databases (MySQL) and volume management using LVM and ZFS • Firewall (iptables/nftables) and dynamic routing protocols (BGP, OSPF) • Participation in on-call rotation, and providing third line support with overall responsibility … right candidate will also have understanding and experience of at least 3 of the following, and be capable of learning the rest as needed: • Distributed or large-scale systems • MySQL/SQL database design, query optimisation and admin • Web development in HTML, CSS, JavaScript, Vue/React • Apache web server software and related modules • Cloud platforms and concepts (AWS, Google More ❯
with backend technologies such as Node.js (our current environment). Experience with Python is extremely useful, but not essential for this role. Database Knowledge: Competent in both relational (e.g., MySQL, PostgreSQL) and occasionally non-relational (e.g., MongoDB) databases, though not essential. We are looking for someone with an understanding of database optimization and migrations. DevOps Familiarity: Understanding of CI/ More ❯