backend developer

NineSol Technologies

Job Title: Backend DeveloperJob Type: Full-timeLocation: [Location]Department: Engineering/DevelopmentAbout the Role:We are seeking a highly skilled Backend Developer to join our development team. As a Backend Developer, you will be responsible for designing, building, and maintaining scalable, robust, and high-performance server-side applications. You will collaborate with front-end developers, product managers, and other stakeholders to implement application features and ensure seamless integration with various systems.Key Responsibilities:<ul><li>Develop and maintain server-side logic using modern programming languages (e.g., Python, Java, Node.js, Ruby).</li><li>Design, implement, and manage APIs (REST, GraphQL) to support front-end services.</li><li>Work with databases such as MySQL, PostgreSQL, MongoDB, or others to store and retrieve data efficiently.</li><li>Optimize application performance for speed and scalability.</li><li>Ensure the security of the backend systems, managing authentication, authorization, and data protection.</li><li>Collaborate with DevOps and cloud engineers to deploy and monitor backend services on cloud platforms (e.g., AWS, Azure, Google Cloud).</li><li>Integrate third-party services and APIs as required by the project.</li><li>Write and maintain technical documentation for backend services.</li><li>Work closely with front-end developers to ensure smooth integration between the client and server sides.</li><li>Debug, troubleshoot, and improve existing applications and codebases.</li></ul>Requirements:<ul><li>Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent practical experience).</li><li>Proven experience as a Backend Developer or similar role.</li><li>Proficiency in backend languages (e.g., Python, Java, Node.js, Ruby, PHP).</li><li>Strong understanding of web technologies such as HTTP, WebSockets, and related concepts.</li><li>Experience with database design and management (SQL and NoSQL).</li><li>Knowledge of security best practices (e.g., SSL, CORS, OAuth).</li><li>Familiarity with version control systems (e.g., Git).</li><li>Experience with cloud platforms (e.g., AWS, Azure) and containerization (e.g., Docker, Kubernetes) is a plus.</li><li>Excellent problem-solving skills and ability to work in a team environment.</li></ul>Preferred Qualifications:<ul><li>Experience with microservices architecture.</li><li>Familiarity with CI/CD pipelines.</li><li>Understanding of caching mechanisms (e.g., Redis, Memcached).</li><li>Experience with test-driven development and writing unit/integration tests.</li></ul>Benefits:<ul><li>Competitive salary.</li><li>Professional development opportunities.</li><li>Paid time off and holidays.</li></ul>Job Type: Full-timeWork Location: In person

Backend Developer

Saqan

Job Title: Backend Developer &amp; Systems Engineer About the RoleWe&rsquo;re seeking a Backend Developer &amp; Systems Engineer who thrives in the world of bare-metal and unmanaged infrastructure. While others rely on AWS etcc we rely on our own serversIn this role, you won&rsquo;t just write code&mdash;you&rsquo;ll architect our entire environment. With full root access, you&rsquo;ll ensure our databases and servers are hardened, optimized, and lightning-fast.Key Responsibilities<ul><li>Infrastructure Management: Provision, configure, and maintain dedicated and VPS servers on Hetzner (Robot/Cloud) and Contabo.</li><li>Database Administration: Set up and manage high-availability database clusters (MySQL), including manual backups and replication.</li><li>Server Security: Implement firewall rules (UFW/IPtables), SSH hardening, and regular security patching&mdash;security starts with you.</li><li>Backend Development: Build robust APIs and services using [Node.js/Python.].</li><li>Monitoring &amp; Uptime: Deploy custom monitoring (Netdata) to ensure 24/7 stability across our self-managed fleet.</li></ul>Required Skills &amp; Experience<ul><li>Linux Expertise: Deep knowledge of Ubuntu, terminal proficiency, and systemd service management.</li><li>Self-Managed Infrastructure: Proven experience with unmanaged VPS/dedicated servers</li><li>Networking: Strong grasp of DNS, load balancing (Nginx), and SSL/TLS (Let&rsquo;s Encrypt).</li><li>Database Mastery: Hands-on experience with manual database setup, tuning, and point-in-time recovery.</li><li>Docker Proficiency: Ability to containerize applications for consistency across environments.</li><li>Bonus Points</li></ul>Familiarity with with Supabase, Inertia Laravel, React Next Express ORM drizzle, websockets socketio, firebase cloudmessaging expoJob Type: Full-timePay: AED3,000.00 - AED3,500.00 per month

Krank

<div>
 
 
 About Krank:
 
 
 
 
 We are a technology-driven SaaS company building products for the heavy equipment and industrial sector. Our ecosystem includes:
 
 
 <ul>
 
 <li>
 
 
 Web-based marketplace and workflow platforms
 
 
 </li>
 
 <li>
 
 
 React Native mobile applications for iOS and Android
 
 
 </li>
 
 <li>
 
 
 Smart glasses&ndash;based workflows for remote inspections
 
 
 </li>
 
 <li>
 
 
 AWS-hosted backend services built using Node.js
 
 
 </li>
 
 </ul>
 
 
 We work at the intersection of engineering, product design, and modern cloud technologies to deliver efficient, reliable, and real-world solutions for industrial operations. Our culture is highly collaborative, product-focused, and centered on building meaningful tools that improve field workflows, inspections, and equipment management at scale.
 
 
 
 
 About Inspeq:
 
 
 
 
 Inspeq is a SaaS platform for inspections, asset management, and work orders. It&rsquo;s designed for heavy equipment rental, mining, and construction companies, enabling them to manage operations more efficiently with modular, configurable workflows and AI-powered features like Remote Workorders (live remote guidance) and AI Discrepancy Reports.
 
 
 
 
 Role Overview:
 
 
 
 
 We are looking for a Lead Backend Developer to design, build, and scale robust backend systems. You will own backend architecture and implementation, guide engineering decisions within the backend domain, and mentor developers while working closely with Product, Frontend, and DevOps teams to deliver secure, scalable, and compliant solutions.
 
 
 
 This role owns backend systems end-to-end while partnering with the Head of Engineering on cross-platform and company-wide architectural decisions.
 
 
 
 
 Key Responsibilities:
 
 
 
 <ul>
 
 <li>
 Lead the design and development of scalable, secure, and high-performance backend systems
 </li>
 
 <li>
 Architect, build, and maintain APIs and backend services using Node.js, NestJS, and ExpressJS
 </li>
 
 <li>
 Design and manage SQL and NoSQL databases, ensuring data integrity, performance, and scalability
 </li>
 
 <li>
 Own API contracts, versioning, backward compatibility, and migration strategies
 </li>
 
 <li>
 Ensure backend systems comply with GDPR and data protection best practices
 </li>
 
 <li>
 Implement authentication, authorization, secure data handling, and service-to-service security
 </li>
 
 <li>
 Define backend architecture, system design patterns, and coding standards
 </li>
 
 <li>
 Write clean, maintainable, and well-tested code
 </li>
 
 <li>
 Review code, mentor developers, and enforce engineering best practices
 </li>
 
 <li>
 Collaborate closely with Product, Frontend, Mobile, and DevOps teams to deliver features end-to-end
 </li>
 
 <li>
 Optimize backend performance, reliability, and scalability
 </li>
 
 <li>
 Implement logging, monitoring, alerting, and error tracking to ensure system observability
 </li>
 
 <li>
 Own backend technical debt, refactoring strategy, and long-term maintainability
 </li>
 
 <li>
 Manage backend deployment workflows using Docker
 </li>
 
 </ul>
 
 
 
 Core Requirements:
 
 
 
 <ul>
 
 <li>
 5+ years of backend development experience
 </li>
 
 <li>
 Strong expertise in Node.js, NestJS, and ExpressJS
 </li>
 
 <li>
 Hands-on experience with SQL databases (PostgreSQL, MySQL) and NoSQL databases (MongoDB, DynamoDB)
 </li>
 
 <li>
 Strong understanding of REST APIs and backend architecture patterns
 </li>
 
 <li>
 Experience designing multi-tenant SaaS architectures
 </li>
 
 <li>
 Experience with async systems such as background jobs, queues, or event-driven workflows
 </li>
 
 <li>
 Experience with Docker for containerization
 </li>
 
 <li>
 Solid knowledge of GDPR compliance, data privacy, and secure data handling
 </li>
 
 <li>
 Strong problem-solving and debugging skills
 </li>
 
 <li>
 Experience leading or mentoring developers
 </li>
 
 </ul>
 
 
 
 Nice to Have (Plus)
 
 
 
 <ul>
 
 <li>
 Experience with OpenAI integrations and generative AI solutions
 </li>
 
 <li>
 Hands-on experience with AWS services (ECS, ECR, S3, API Gateway, Lambda, etc.)
 </li>
 
 <li>
 Knowledge of cloud infrastructure, scalability, and production deployments
 </li>
 
 <li>
 Strong background in system design for large-scale applications
 </li>
 
 <li>
 Experience with CI/CD pipelines, monitoring, and observability tooling
 </li>
 
 <li>
 Experience supporting mobile applications (React Native backends, offline sync, media-heavy workflows)
 </li>
 </ul>
</div>

Lead Backend Developer

Sia Zoombox

Job OverviewSia Zoombox is looking for an experienced Backend Developer with strong expertise in Node.js and NestJS to join our onsite engineering team in Faisalabad. The ideal candidate should be capable of designing, developing, and maintaining scalable backend systems and APIs that integrate smoothly with mobile applications and web platforms.This role requires a developer who understands real-world backend systems, works confidently with frontend teams, and follows best practices in code quality, version control, and deployment workflows.Key Responsibilities<ul><li>Design, develop, and maintain scalable backend services</li><li>Build secure and well-structured RESTful APIs for mobile and web applications</li><li>Collaborate closely with mobile app developers and frontend developers</li><li>Handle database design, optimization, and performance tuning</li><li>Implement authentication, authorization, and role-based access systems</li><li>Ensure backend stability, performance, and security</li><li>Debug, optimize, and refactor existing backend code</li><li>Work with GitHub repositories, branches, pull requests, and code reviews</li><li>Manage builds, environments, and deployment-related tasks</li><li>Follow clean architecture and backend best practices</li></ul>Required Technical SkillsBackend &amp; APIs<ul><li>Strong experience with Node.js</li><li>Hands-on expertise in NestJS</li><li>REST API design and implementation</li><li>Authentication (JWT, token-based systems)</li></ul>Databases<ul><li>MongoDB and/or PostgreSQL</li><li>Query optimization and data modeling</li></ul>Version Control &amp; Workflow<ul><li>Strong command of Git &amp; GitHub</li><li>Experience with repositories, branching strategies, pull requests</li><li>Understanding of build processes and deployment workflows</li></ul>Integration &amp; Collaboration<ul><li>Experience working with mobile applications (Flutter or similar)</li><li>Experience integrating APIs with web frontends (React / Next.js)</li><li>Ability to collaborate with cross-functional teams</li></ul>Additional Skills (Preferred)<ul><li>Redis or caching mechanisms</li><li>Background jobs or schedulers</li><li>Basic DevOps knowledge (CI/CD, environment configs)</li><li>Docker (basic understanding)</li></ul>What We&rsquo;re Looking For<ul><li>3&ndash;5 years of real-world backend development experience</li><li>Strong problem-solving and system-thinking skills</li><li>Ability to work independently and take ownership of backend modules</li><li>Clean coding habits and documentation practices</li><li>Willingness to work onsite in Faisalabad (Kohinoor City)</li></ul>What We Offer<ul><li>Competitive salary (based on experience)</li><li>Professional and growth-focused environment</li><li>Opportunity to work on scalable production systems</li><li>Long-term career growth</li></ul>How to ApplySend your CV / GitHub profile to:siazoombox@gmail.comJob Type: Full-timePay: Rs60,000.00 - Rs100,000.00 per monthApplication Question(s):<ul><li>Needed immediately joining in 3 to 5 days are you Available?</li></ul>Education:<ul><li>Bachelor's (Preferred)</li></ul>Experience:<ul><li>Team leadership : 3 years (Required)</li><li>Backend (node/nest): 3 years (Required)</li><li>Mern stack Development : 3 years (Required)</li></ul>Location:<ul><li>Faisalabad (Required)</li></ul>Work Location: In person

Senior Backend developer

Allendevaux

<div>WEB APPLICATION BACKEND DEVELOPER 
 
Building secure, scalable backend systems that power modern web applications and services in diverse environments across Linux and Windows platforms. 
Job Type: Fulltime 
Reports to: Senior Software Engineer 

Location: Alexandria, Egypt (San Stefano). Can work remote if your environment supports minimal interruptions; team meetings, from time to time, will be hosted in the office in Alexandria, Egypt (San Stefano). 
WEB APPLICATION BACKEND DEVELOPMENT

Are you a backend developer with strong skills in Python and experience building web APIs and application logic across platforms? Do you also have hands-on experience with modern JavaScript frameworks like Vue.js for integrating backend and frontend components? We&rsquo;re looking for a backend-focused web developer to join a growing team delivering secure, high-performance web apps across a mix of industries and use cases. 
You'll work closely with DevOps, frontend engineers, and security analysts to deliver maintainable, well-documented code in environments that prioritise cybersecurity, compliance, and operational excellence. 
BACKGROUND

At Allendevaux &amp; Company, we are building a growing product development group focused on creating systems that bring streamlined, automated data protection and AI governance to our customers around the world. We are combining deep expertise in global regulations, cybersecurity, and artificial intelligence with a forward‑thinking engineering culture to build tools that simplify and enhance how enterprises achieve compliance and operational excellence. 
As part of this effort, we are assembling a team of creative, supportive, and highly skilled engineers who thrive on building secure, scalable systems. You will join a team that values collaboration, innovation, and craftsmanship, and you will have the opportunity to directly influence how our platform evolves&mdash;shaping what modern, AI‑enabled data protection and governance solutions look like. 
Must have laptop that supports development and Microsoft Teams meetings. The company will provide the software. 
EXPERIENCE

The ideal candidate will have professional experience building and maintaining Python-based backends, working with Vue.js to deliver modern web interfaces, and integrating systems via HTTP APIs and SQL databases. You should be confident in Linux environments and experienced with Docker, Git, and scripting to support development and deployment workflows. A strong understanding of HTTP, networking, and client-server architecture is essential. 
Experience or interest in cybersecurity best practices, ISO27001, or public cloud (AWS, Azure, GCP) is highly desirable. 
PERSONAL CHARACTERISTICS AND SKILLS
<ul>
<li>Fluent spoken and written English. 
</li>
</ul><ul><li>Strong problem-solving, debugging, and documentation skills. 
</li>
</ul><ul><li>Comfortable working independently and collaboratively in agile teams. 
</li>
</ul><ul><li>Focused on clean, secure, and maintainable code. 
</li>
</ul><ul><li>Self-starting and flexible with changing priorities. 
</li>
</ul><ul><li>Keen to learn, share knowledge, and continuously improve.</li></ul> 


RESPONSIBILITIES 
As a Backend Developer, your responsibilities will include: 
<ul>
<li>Developing secure and efficient backends using Python. 
</li>
</ul><ul><li>Creating and consuming web APIs (REST, JSON). 
</li>
</ul><ul><li>Writing and optimising SQL queries and database interactions. 
</li>
</ul><ul><li>Working in Linux environments and managing deployments via Docker. 
</li>
</ul><ul><li>Using Git for version control and participating in code reviews. 
</li>
</ul><ul><li>Managing development and testing in hosted environments such as Replit. 
</li>
</ul><ul><li>Collaborating across teams to design and deliver complete solutions. 
</li>
</ul><ul><li>Debugging and maintaining applications on Windows and cross-platform systems. 
</li>
</ul><ul><li>Supporting CI/CD processes and infrastructure automation. 
</li>
</ul><ul><li>Ensuring systems follow security and compliance best practices.</li></ul> 


MINIMUM QUALIFICATIONS
<ul>
<li>Bachelor&rsquo;s degree in Computer Science, Engineering, or related field. 
</li>
</ul><ul><li>3+ years experience in backend or full-stack development. 
</li>
</ul><ul><li>Proficient in Python, SQL, and HTTP/Web APIs. 
</li>
</ul><ul><li>Solid experience with Vue.js for building frontend components. 
</li>
</ul><ul><li>Familiar with Linux, Docker, Git, and scripting (Bash or Python). 
</li>
</ul><ul><li>Understanding of networking, client-server interaction, and deployment tooling. 
</li>
</ul><ul><li>Experience developing in Replit or cloud-based environments. 
</li>
</ul><ul><li>Comfortable working with Windows servers/workstations when required.</li></ul> 


PREFERRED QUALIFICATIONS
<ul>
<li>Experience with AWS, Azure, or GCP cloud platforms. 
</li>
</ul><ul><li>Understanding of cybersecurity principles, threat models, and secure coding. 
</li>
</ul><ul><li>Exposure to ISO 27001, NIST, or other compliance frameworks. 
</li>
</ul><ul><li>Understanding of building and integrating user-facing components using Vue.js. 
</li>
</ul><ul><li>Familiarity with DevSecOps, CI/CD pipelines, and secrets management. 
</li>
</ul><ul><li>Experience writing and consuming API specifications (OpenAPI/Swagger). 
</li>
</ul><ul><li>Interest in performance tuning, resilience, and observability.</li></ul></div>

Web Application Backend Developer

SSC HR Solutions

<div>
 
 Job Description
 
 
 
 <ul>
 <li>
 Design and build RESTful APIs, particularly in financial or fintech domains.
 </li>
 <li>
 Develop and maintain microservices-based and distributed systems.
 </li>
 <li>
 Work with relational and NoSQL databases.
 </li>
 <li>
 Apply design patterns and software development best practices.
 </li>
 <li>
 Write and maintain unit and integration tests.
 </li>
 <li>
 Contribute to CI/CD pipelines and manage code using Git.
 </li>
 <li>
 Work in containerized environments and support orchestration solutions
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 
 Requirements
 
 
 
 <ul>
 <li>
 Experience in designing and building RESTful APIs.
 </li>
 <li>
 Familiarity with API documentation tools such as Swagger/OpenAPI.
 </li>
 <li>
 Good understanding of microservices architecture and distributed systems.
 </li>
 <li>
 Experience with RDBMS (Oracle, SQL, Postgres) and NoSQL databases (MongoDB).
 </li>
 <li>
 Solid understanding of design patterns and experience with testing frameworks (JUnit, Mockito, RestAssured).
 </li>
 <li>
 Proficiency in Java and Spring Boot, including Spring Data, Spring Security, and Spring Cloud.
 </li>
 <li>
 Experience with CI/CD pipelines, Git, and build tools (Maven/Gradle).
 </li>
 <li>
 Experience with Docker; familiarity with Kubernetes or OpenShift is preferable
 </li>
 </ul>
</div>

WasteHero

<div>
 
 
 Location:
 
 From Cairo
 
 
 
 Employment:
 
 Full-time
 
 
 
 
 
 🚀 About WasteHero
 
 
 At WasteHero, we&rsquo;re revolutionizing municipal waste management through cutting-edge software. Our
 
 cloud-native SaaS platform
 
 helps cities and private operators optimize routes, automate billing, ensure compliance, and build greener communities.
 
 
 We&rsquo;re already working with municipalities and waste companies across Europe &mdash; including one of the largest public-sector transformation projects all of Europe &mdash; and we&rsquo;re just getting started.
 
 
 
 
 
 WasteHero is a mission-driven scaleup with strong product-market fit, backed by institutional investors and public contracts. Our HQ is in Aarhus, Denmark, where product and engineering
 
 
 sit at the heart of the business.
 
 
 
 
 
 🎯 The Role: Senior Backend Developer
 
 
 We&rsquo;re looking for a
 
 senior backend engineer
 
 who will strengthen our distributed engineering team and help deliver mission-critical features in the coming 12&ndash;18 months.
 
 
 
 
 
 As Senior Backend Developer, you will:
 
 <ul>
 <li>
 Build and maintain
 
 Python/Django + FastAPI services
 
 powering our SaaS ERP platform
 </li>
 <li>
 Design and implement scalable
 
 REST &amp; GraphQL APIs
 
 for integrations with municipal ERP systems
 </li>
 <li>
 Develop
 
 ETL pipelines and migration scripts
 
 (Python/SQL) to handle complex datasets from multiple sources
 </li>
 <li>
 Ensure system reliability, security, and GDPR/NIS2 compliance through robust logging, rollback, and error handling
 </li>
 <li>
 Collaborate daily with colleagues in Aarhus HQ and Finland, UK, Germany, working in an agile delivery setup
 </li>
 <li>
 Contribute to architectural decisions for performance, fault-tolerance, and long-term maintainability
 </li>
 </ul>
 
 
 
 
 🛠 Our Tech Stack
 
 <ul>
 <li>
 
 Python 3, Django, FastAPI
 
 </li>
 <li>
 
 PostgreSQL, Redis, Celery
 
 </li>
 <li>
 
 GraphQL (Graphene), REST APIs
 
 </li>
 <li>
 
 Docker, gunicorn
 
 </li>
 <li>
 
 Bitbucket Pipelines (CI/CD)
 
 </li>
 <li>
 Hosted on
 
 Hetzner
 
 with private networking &amp; load balancing
 </li>
 </ul>
 
 
 
 
 ✅ You Bring
 
 <ul>
 <li>
 5+ years of backend development experience (Python/Django preferred)
 </li>
 <li>
 Strong experience with relational databases (
 
 PostgreSQL/SQL
 
 )
 </li>
 <li>
 Track record of building
 
 production APIs
 
 and backend services at scale
 </li>
 <li>
 Experience with
 
 ETL, migrations, or integration-heavy environments
 
 </li>
 <li>
 Familiarity with Docker, CI/CD, and modern development pipelines
 </li>
 <li>
 Excellent English communication skills (Polish native a plus)
 </li>
 <li>
 Bonus: FastAPI, GraphQL, SaaS platform background, or public-sector software
 </li>
 </ul>
 
 
 
 
 🌟 Why Join WasteHero?
 
 <ul>
 <li>
 
 High-impact role
 
 : Your work directly supports public-sector digitalisation across Europe
 </li>
 <li>
 
 Ownership
 
 : Work on complex, integration-heavy challenges with real autonomy
 </li>
 <li>
 
 Growth
 
 : Be part of a fast-scaling SaaS company with ARR-focused expansion in the Nordics
 </li>
 <li>
 
 Upside
 
 : Competitive salary + stock options
 </li>
 <li>
 
 Culture
 
 : International, mission-driven team with a focus on clarity, fairness, and execution
 </li>
 <li>
 
 Purpose
 
 : Real-world environmental impact at scale
 </li>
 </ul>
</div>

Senior Backend Developer (Python)

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