Hire Vetted Cloud and Operations Engineers at Upstaff - Page 4

All vetted software engineers you need to build AI, Web3, and data Products.
  • Dedicated Full-time commitment for long-term or Time& Material for shorter or ongoing support
  • Europe, Israel, LatAm, United States, Asia geography coverage
  • Remote and hybrid engagement
  • Trial period, no termination fees or hidden costs for transparent and risk-free onboarding.
Node.js
React
Docker
PostgreSQL
Python
...
  • Senior Full-Stack Engineer with 9+ years in FinTech and E-commerce, proficient in React, Node.js, NestJS, PHP, Java, and .NET Core.
  • Expertise in building high-volume transactional systems, fraud detection microservices, and credit onboarding platforms with 99.99% uptime and sub-120ms response times.
  • Skilled in Agile delivery, CI/CD pipelines, and cloud-native DevOps using Docker, Kubernetes, AWS, and Azure.
  • Strong background in regulatory compliance and platform modernization, achieving 85% test coverage and 40ms faster response times.
  • Computer Science graduate with proven ability to lead cross-border teams and deliver scalable, secure, and observable APIs and CMS solutions.

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Java 8yr.
Spring Boot 4yr.
microservices 3yr.
Kafka 2yr.
RabbitMQ 2yr.
...
  • Designed and scaled high-performance backend systems handling up to 500 TPS, improving reliability and throughput in banking and real-time platforms.
  • Reduced account opening turnaround time by 80% through BPM workflow optimization.
  • Led migration of legacy systems to microservices, enhancing scalability and maintainability.
  • Improved observability using ELK, Grafana, and Micrometer, and mentored engineers to boost team productivity and code quality.
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Laravel 5yr.
Yii 3yr.
...

Full-stack developer with 6+ years of experience building scalable SaaS and e-commerce solutions across PHP (Laravel, Symfony, Yii2, Magento 2) and Node.js ecosystems. Skilled in database design with MySQL, PostgreSQL, and MariaDB, including Liquibase version control. Expert in REST and GraphQL API development and integrating payment gateways like Stripe and Klarna, with multi-tenant projects such as ParkingBadge and Sharefox. Proficient in VueJS, React, Angular, Node.js, and Tailwind CSS, plus DevOps practices including Docker, CI/CD, and Linux administration. Master's in System Information in Economics, leveraging AI tools like Claude and Cursor for rapid development.

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Node.js 1yr.
Express 1yr.
TypeScript 1yr.
React 1yr.
JavaScript
...
  • Proficient in backend development using Node.js, Express.js, and TypeScript, with hands-on experience designing scalable microservices and multi-VM architectures, including Nginx reverse proxy implementations.
  • Skilled in cloud infrastructure management across AWS, Azure, and DigitalOcean, optimizing resources, alongside CI/CD pipeline automation using GitHub Actions and Azure DevOps.
  • Strong expertise in databases (MongoDB, MySQL, PostgreSQL), frontend frameworks (React.js, Angular), and software development best practices, including feature-based Git workflows, system design, and secure file handling with MongoDB GridFS.
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Python 5yr.
Bash 5yr.
AWS 5yr.
Terraform 3yr.
Ansible
...
  • DevOps Engineer and System Administrator with 11 years of experience, specializing in cloud infrastructure modernization, automation, and scalable deployments across AWS, Azure, and GCP.
  • Proficient in Python, Bash, Terraform, Ansible, Kubernetes, Docker, and CI/CD pipelines using GitHub Actions, GitLab CI, and Azure DevOps, with hands-on expertise in container orchestration and infrastructure as code.

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Python 7yr.
TypeScript 7yr.
React 7yr.
React Native
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  • Senior Full Stack Engineer with 9+ years of experience in designing and delivering scalable web and mobile applications using Python (Flask, Django, FastAPI), PHP (Laravel, Symfony), and JavaScript/TypeScript (React, React Native, Node.js).
  • Strong background in Agile methodologies, CI/CD automation, security best practices (OAuth 2.0, JWT, PCI-DSS), and delivering high-availability platforms with 99.9% uptime and significant reductions in downtime and latency.

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active admin 2yr.
Azure App Service 2yr.
HR 1yr.
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Experienced in administrative support and HR coordination with a strong foundation in business management principles.

Skilled in data organization, remote communication tools, and task management systems, enhancing workflow efficiency.

Proficient in customer service and sales support, demonstrating effective problem-solving and relationship-building abilities.

Strong organizational and communication skills applied in dynamic, multi-tasking environments.

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Kubernetes 3yr.
Jenkins 3yr.
AWS
Git
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  • DevOps Engineer with nearly 10 years of experience in managing end-to-end software releases for large-scale enterprise applications.
  • Expertise in Kubernetes cluster management, Helm Charts deployment, Jenkins pipelines with Groovy scripting, and CI/CD automation integrating GitLab and Vault.
  • Proven track record in infrastructure modernization, including Java upgrades and resolving complex server challenges.

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Java 9yr.
Go 6yr.
Spring Boot 6yr.
...
  • Senior Software Engineer with 9+ years in fintech and banking, specializing in Golang, Java, Kotlin, and Python for scalable, cloud-native microservices architectures.
  • Proven expertise in AWS (Lambda, S3, CloudFormation), event-driven systems (Kafka, RabbitMQ, Debezium CDC), and CI/CD pipelines with Blue/Green deployments ensuring zero-downtime releases.
  • Led multiple engineering teams delivering complex financial platforms including digital lending, credit line, factoring, and trade finance with integrations to banking and government APIs.
  • Strong background in software design patterns, RESTful and RPC APIs, automated testing (Cucumber, Spock), and observability tools (Grafana, ElasticSearch, CloudWatch).
  • Holds a Computer Science degree and Information Systems management education, combining deep technical skills with leadership in Agile environments and extensive interviewing experience.
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Azure 6yr.
AWS 3yr.
DevOps
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- 15 years of experience in IT - 10 years of product development and team management experience - 2 projects implemented with Kafka - Upper-Intermediate English - Available ASAP
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Senior
Lviv, Ukraine
Kotlin 4yr.
Spring Boot 4yr.
Azure DevOps 2yr.
Docker 2yr.
...
  • 9+ years of experience in Java and Kotlin software engineering, specializing in microservices architecture, DevOps, and cloud-native applications.
  • Proficient in Spring Boot, Spring Cloud, Docker, Kubernetes, AWS, and CI/CD pipelines, with hands-on experience in Terraform and Jenkins for infrastructure automation.
  • Strong background in secure software development, including Keycloak integration, OAuth2, and PCI DSS-compliant cryptographic SDKs.
  • Expertise in designing and implementing scalable backend systems using Kafka, RabbitMQ, Elasticsearch, and various databases like PostgreSQL, OracleDB, MongoDB, and Cassandra.
  • Experienced in Agile methodologies (Scrum, Kanban), test-driven development (JUnit, Mockito, Testcontainers), and modern software engineering best practices.
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C/C++/C# 5yr.
Robot Framework 5yr.
.NET Core 5yr.
ASP.NET Core Framework 5yr.
ASP.NET MVC
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Senior .NET Developer with over a decade of professional experience, showcasing advanced competencies in scalable and secure web application development, microservices architecture, and cloud solutions. Expertise in crafting optimized code by leveraging C#, ASP.NET Core, Entity Framework, and diverse databases like MS SQL Server and MongoDB. Proven track record in improving system performance, maintainability, and accelerating development cycles through SOLID principles and modern DevOps practices. Demonstrated ability touring in enterprise-level API development, and security enhancements, further leveraging CI/CD, containerization, and serverless technologies in both Microsoft Azure and AWS environments. Adept in applying design patterns and software engineering principles like CQRS, DDD, and the Akka.NET actor model to build robust and fault-tolerant systems.
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Azure 4yr.
Azure DevOps 4yr.
Azure Arm templates 4yr.
YAML 4yr.
Bicep 2yr.
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  • Cloud Engineer with 5+ years specializing in Azure cloud solutions, infrastructure automation, and CI/CD pipeline development using Bicep, ARM, and Azure DevOps.
  • Led complex projects including migration of 283 microservices to Azure Landing Zones, optimizing network architecture with VNet peering, Azure Firewall, and Private DNS Resolver.
  • Proficient in IaC, DevOps practices, and troubleshooting PaaS services in hybrid environments, reducing MTTR and enhancing platform performance.
  • Experienced with Azure Data Platform, Kubernetes (AKS), and multi-cloud integration (Azure, GCP, AWS) supporting scalable, secure architectures.
  • Skilled in PowerShell, Azure CLI, Terraform, YAML pipelines, and monitoring tools like Splunk and Datadog, driving automation and operational excellence.
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Rust
C/C++/C#
Python
TypeScript
Solidity
...
  • Expertise in zero-knowledge proof systems including ZK-SNARK, Plonk, Groth16, and zkVM optimization for Layer 2 privacy solutions.
  • Proficient in Rust blockchain development, designing high-performance node components, consensus algorithms, and secure cryptographic primitives.
  • Skilled in cloud-native infrastructure automation using Kubernetes, Terraform, CI/CD, and observability with Prometheus and Grafana ensuring 99.9% uptime.
  • Hands-on experience with decentralized network protocols, peer-to-peer systems using libp2p, and distributed storage architectures.
  • Strong quantitative finance background with MSc in progress, combining advanced cryptography, blockchain protocols, and privacy computing expertise.
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Angular 4yr.
TypeScript 4yr.
JavaScript 4yr.
...
  • Software Engineer with 4+ years of experience specializing in Angular (v7-v18), NgRx, SolidJS, and TypeScript for high-performance web applications.
  • Proficient in designing and implementing CI/CD pipelines, automated workflows using Azure DevOps, and integrating analytics tools like Power BI and Amplitude for data-driven insights.
  • Strong background in computer engineering with hands-on expertise in secure payment platforms, cloud-based solutions, and system automation using Ansible and Debian packaging.
  • Demonstrated ability to optimize application performance, reduce load times by 30%, and enhance modularity and testing coverage with Jasmine and Cypress.
  • Contributor to open source security improvements and recognized for technical excellence with an Employee of the Quarter award.
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Ruby
Ruby on Rails
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  • 15+ years of professional experience in software engineering, including 10+ years specializing in Ruby on Rails.
  • Skilled in Ruby, Ruby on Rails, JavaScript/TypeScript, React JS, Angular JS, and RESTful API design, cloud platforms (AWS, Azure, GCP) and containerization (Docker, Vagrant).
  • Experience in software architecture, design patterns, UML, MVC, TDD, BDD, and Agile methodologies (Scrum, Kanban, XP), SDLC.
  • Leadership in large-scale projects including telemedicine, legal services, and e-commerce platforms, driving architecture, team coaching, and performance optimization (Elasticsearch, Sidekiq), and advanced database technologies (MySQL, PostgreSQL, MongoDB).
  • Skilled in memory optimization, big data processing, API integration, code refactoring, and comprehensive documentation, delivering scalable and maintainable solutions across diverse domains.

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Ruby
Ruby on Rails
SQL
MongoDB
PostgreSQL
...
  • 12+ years of professional experience specializing in Ruby on Rails development, DevOps engineering, and team leadership.
  • Skilled in Ruby, Rails, SQL, MongoDB, Terraform, Docker, AWS, and Hetzner.
  • Ability to optimize backend logic, database queries, and application performance, including resolving complex memory leaks and enhancing system reliability.
  • Skilled in integrating frontend technologies such as ReactJS and CoffeeScript, and implementing CI/CD pipelines, infrastructure as code, and containerization.
  • Experienced in leading teams, coordinating workloads, mentoring developers, and managing client requirements to deliver high-quality software solutions.

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Senior
Ukraine
C++
Python
C
...
- Software professional with 16+ years in Product development and IT services in MNCs - Developing Fintech product for Algo trading and converting it to SAAS offering - Proven track record in analysis, design, development, coding and testing phases primarily using Python, Java, node.js, full-stack, C, C++ and C# development on Windows and UNIX systems - Highly skilled in application & product development lifecycle - Expertise in the areas of data and application security along with design and architecture of cloud services, pipeline using AWS and Azure - Contributed to successful release of various products & services of leading clients such as Progress Software, IBM, Oracle, AT&T, Northgate Public Services, Fidelity Investments and so on - Expertise in Project transitioning to Offshore and execute successfully by managing the distributed teams - Strong understanding of UNIXes/Linux, Windows, Web technologies, Perl, Angular, Spring boot, node.js and Java Script, Oracle, SQL server, Informix and so on - Solid experience in Data Pipelines, Databases, client-server, distributed, networking and system internals. - Expertise in driving solution identification exercise, involving design thinking, requirement analysis, process re-design, preparation of SOW, solution customization, configuration and implementation - Possess clear thinking from technology perspective with strong skills to identify functional needs and transform them into technology terms; acknowledged for leading & mentoring 8-10 team members to achieve resource wise productivity & optimization - Dynamic & self-starter with strong planning, communication, analytical & problem solving skills
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Architect
India
GCP Security
AWS Security
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- Cybersecurity specialist with 10+ years of extensive experience in securing cloud environments, applications, and infrastructure. - Specializes in GCP and AWS security, including secure architecture design, vulnerability management, and compliance-driven implementation (SOC2, ISO 27001). - Proficient in Python, PHP, JavaScript, TypeScript, and various security tools and methodologies, including DevSecOps, Kubernetes, and OWASP standards. - Experienced in leading cybersecurity teams, managing security programs, and ensuring compliance with standards like ISO 27001, SOC2, PCI, and GDPR. - Extensive experience in securing applications through threat modeling, secure SDLC, and implementing security controls across diverse technology stacks. - Skilled in securing cloud environments, managing SIEM systems, and conducting infrastructure security testing. - Fluent in English (C1), with intermediate Polish (B1+). - Holds ISO27001 Lead Implementer, AWS Certified Security - Specialty, Google Certified Cloud Security Engineer, and eMAPT certifications.
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PHP 5yr.
Node.js 5yr.
MySQL 5yr.
JavaScript 5yr.
PostgreSQL
...
Software Engineer with 5+ years of backend development expertise, focusing on API construction, microservices management, and database performance optimization. Proficient in PHP, Node.js, NestJS, JavaScript, TypeScript, MySQL, and PostgreSQL. Holds a Bachelor degree in Science and has worked on enhancing Shopify web applications and designing scalable backend infrastructures. Known for optimizing MySQL queries to increase performance and improve server stability under high load conditions, resulting in more efficient and maintainable systems.
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Node.js 4yr.
Architecture and Design Patterns 1yr.
Spring model-view-controller (MVC) framework
Go
...
Senior Software Engineer with over 6 years of backend development expertise, specializing in Node.js, Java Spring Boot, and serverless architectures. Significant experience in building scalable solutions on AWS, leading technically challenging projects in the banking sector at Boubyan Digital Factory and Nomo Bank. Proven track record of implementing best practices and standards in coding, testing, and optimizing performance. Strong foundation in computer science with a Bachelor's in Structural Engineering from the German University in Cairo. Proficient in Go, Redis, and event-driven programming, coupled with Agile and Scrum methodologies. Multilingual with fluency in English, German, and Arabic.
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Senior
Cairo, Egypt
C/C++/C#
Java
Python
Microsoft Visual Studio Code
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The candidate is a software engineer with a Diploma in Computer Science and an extensive teaching background in Mathematics. Boasting technical expertise in programming languages such as C++, Java, and Python, and proficiency with tools such as Visual Studio Code, CodeBlocks, and NetBeans. Deeply familiar with web technologies including HTML, CSS, as well as database management via SQL Server, and statistical analysis with R programming. This engineer has practical experience as a Freelance Tutor for Mathematics and Programming, embracing methodical pedagogical practices to enrich learning. They have served as a High School Math Teacher and a College Mathematics Professor for Computer Engineering students. Additionally, the candidate possesses technical support experience at a multinational company, reflecting strong problem-solving skills and fluency in English.
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Oracle Database
Database Administration
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- 14+ years of experience providing end-to-end assistance and high-level resolutions for complex technical problems related to Oracle databases. - Proficient in performing optimizations, upgrades, regular patching strategies, and disaster recovery setups for databases hosted on-premise machines, Exadata machines, and Azure cloud machines. - Strong track record of database administration skills acquired during work with clients all over the world - Excellent communication skills gained during the global support experience and banking experience due to the interaction with the foreign top management - Extensive expertise in post-sales support, building backup and recovery strategies, assessing database performance, and setting up disaster recovery infrastructure. - Well-versed in administering BMC Remedy ITSM Oracle databases, conducting RMAN backup and restore procedures, performing performance analysis, tuning, patching, and updating. - Proficient in AIX, Debian, and RedHat Linux server administration. - Adept at managing LANs, WANs, and network connections, overseeing infrastructure projects, and coordinating teams for optimal project execution. - Possesses a wide range of certifications, including Oracle Database Administration, Oracle High Availability, Oracle Secure Backup, Oracle Data Guard, and Microsoft Certified Professional.
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Expert
Valencia, Spain
IBM DB2
Shell Scripts
Project Management
PostgreSQL
IBM AIX
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Accomplished software engineer boasting over 14 years of expertise in the IT services industry, specializing in database management systems, particularly IBM DB2 and PostgreSQL. Key attributes include adeptness in installation, upgrade, performance tuning, HADR setup, and data encryption. Proven project management skills underscored by leading infrastructure teams. Distinctive achievements include AWS Certified Solutions Architect, with hands-on experience in orchestrating solutions for database services in AWS, and ITIL V4 certification, indicating a strong grasp of best practices in IT service management. Demonstrated ability to automate tasks and enhance system efficiencies, as well as a background in ServiceNow, underlines a commitment to process optimization. The engineer's substantial experience in diverse domains such as banking, finance, and e-commerce provides a robust foundation for tackling varied project demands.
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ASP.NET
C#
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- A Software Engineer with over 10 years of development experience in the IT industry; - Most of experience is related to the .NET platform and C# language, on both client and server-side development; - Solid experience working with cross-application integrations, Web API, and WCF Services; - Well-versed in release management on IIS and Azure; - Strong knowledge of SQL; - Experience in working with Dynamics 365 and Salesforce CRMs; - Advanced English;
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Architect
Lviv, Ukraine
Linux 7yr.
AWS 5yr.
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- DevOps Engineer/System Engineer/Solution Architect with a robust 19-year background in the IT field, particularly in the FMCG, Telecom, and Gaming sectors. - Skilled in Suse, HP/Dell/Supermicro Products, Linux System Administration, Brocade Fibre Switches, and Software Installation. - Strong information technology professional with good interpersonal and communication skills. - Good troubleshooting and analytical skills.
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Penetration testing
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- Experienced software engineer with a strong background in computer science and a master's degree in Computer Science from the National Technical University. - Proficient in multiple programming languages including Python, PHP, C#, C/C++, Java, and JavaScript. - Skilled in web and mobile security, with expertise in conducting vulnerability assessments, penetration testing, and security code review. - Familiar with industry-standard security tools such as Burp Suite, Nessus, OpenVas, nmap, and Metasploit. - Knowledgeable in methodologies, principles, and patterns of software development, including SDLC and software development best practices. - Strong problem-solving and analytical skills, demonstrated through the ability to identify and exploit vulnerabilities and develop custom payloads. - Excellent communication and collaboration skills, working effectively within cross-functional teams and producing comprehensive reports based on findings.
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AWS
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- Expert DevOps Engineer and IT Specialist with a record of developing and supporting robust IT infrastructure in e-commerce and logistics industries. - Demonstrable experience with cloud environments including AWS, GCP, and Azure, and proficiency in managing Linux and Windows servers. - Strong background in system administration, mail server configuration, network engineering with Mikrotik, and ITIL-based monitoring systems like Zabbix. - Equipped with solid development skills in Python, PHP, and modern automation tools such as Docker and Jenkins. - Proven ability to lead IT projects and implement effective CI/CD pipelines, underpinned by a deep understanding of Agile, SCRUM, and KANBAN methodologies. - Holds an Engineering degree and diverse IT certifications, reflecting a commitment to continual learning and professional development. - Upper-Intermediate English
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AWS
React
Python
...
- Real experience with enterprise projects. - Experience in healthcare, real estate, financial services, legal, software, computer industries. - Practical skills in project management and software engineering, according to SAFe Agile, RUP methodology. - Upper intermediate English - Available ASAP
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Architect
Ukraine
Docker
Splunk
VmWare
Python
C/C++/C#
...
DevSecOps specialist and system administrator with a 7-year tenure, fusing expertise in secure infrastructure solutions with a security-focused approach to system administration. Key strengths include Docker containerization, Infrastructure as Code practices, and intensive security testing using tools like OWASP ZAP, Black Duck, and Coverity. Demonstrated aptitude in log management and real-time security event detection with Splunk. Technical proficiency spans a broad range of areas including network security, cryptography, and cloud platforms. The engineer's project history showcases successful roles across IoT, E-Commerce, and business domains, with substantial contributions to secure and compliance-heavy environments, while maintaining system reliability and performance.
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Senior
Gdansk, Poland
AWS 6yr.
Advanced Python 5yr.
Go 2yr.
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Extensive working experience writing various tools and services using Python and Go. 5+ years of hands on experience with AWS using various services and also taken part of multiple prelaunch implementation on tools/services not widely available for AWS customers (early adoption) . Extensive IaC experience using Terraform - including writing Terraform providers from skratch.
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Senior
Varna, Bulgaria
AWS
IAM
VPC Peering
AWS EC2
EB
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Software engineer with hands-on AWS cloud services experience, automation, and container orchestration skills leveraged in AI and DevOps internships. Proven CI/CD, deployment automation, and troubleshooting skills, enhancing release speed by 25% and reducing manual work by 40%. Developed safety-critical embedded software. Strong computer science education with high GPA scores. Proficient in Python, Java, along with CI/CD tools like Jenkins, containerization with Docker, and orchestration with Kubernetes.
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