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backend engineer

dubizzle

<div>
 
 As a Backend Engineer you will liaises with the other backend and frontend engineers within your product stream, the QA team, the design team and your Tech Team Leads. As a senior member of the team, you will be responsible for advancing our development stack and ensuring scale as we grow to millions of monthly active users across many countries.
 
 
 
 In this role, you will:
 
 <ul>
 <li>
 Hit the ground running - Gather up-to-date and in-depth understanding of the dubizzle code base and technologies stack within weeks;
 </li>
 <li>
 Research and apply industry trends as part of your daily work;
 </li>
 <li>
 Create unit tests in accordance with our established standards to cover assigned work;
 </li>
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 Write and maintain exemplary code following dubizzle's programming practices;
 </li>
 <li>
 Actively contribute in post-release maintenance issues;
 </li>
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 Develop elegant solutions for complex problems;
 </li>
 <li>
 Pioneer reliability and efficiency of our current code base, platforms and/or core systems;
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 Impact on the direction and scope of dubizzle's technical vision within your stream;
 </li>
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 Work in a mentoring capacity within a peer-programming environment and provide guidance on tasks, irrespective of complexity or scale;
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 Code review all major pull requests, defining programming standards and providing constructive feedback
 </li>
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 Design and delivery of multiple REST based APIs and previous exposure to Service Oriented Architecture;
 </li>
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 Capacity to push back requirements when incomplete;
 </li>
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 Handle the entire software development life cycle, end to end;
 </li>
 <li>
 Lead product planning meetings and architect solutions within your stream;
 </li>
 <li>
 Liaises with the other back end engineers within your product stream, the QA team, design team and your Tech Team Lead;
 </li>
 <li>
 Liaise with other tech teams to share innovations from your stream
 
 
 </li>
 </ul>
 
 Requirements
 
 
 
 <ul>
 <li>
 2+ years of professional back-end software engineering experience; Python preferred;
 </li>
 <li>
 Experience with Cloud hosted infrastructure and Technologies; AWS preferred;
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 Prior experience with Kubernetes &amp; Docker will earn you brownie points;
 </li>
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 Experience working on high-traffic and large-scale web products is preferred;
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 Experience with web infrastructure, SOA, distributed systems, performance analysis, search infrastructure;
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 Been on at least one "death march" and know exactly why some things are to be avoided;
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 Strong understanding of design patterns including asynchronous programming, queuing, logging, security and persistence;
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 Mastery of different caching layers and strategies including memcached;
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 Good understanding of build process management and continuous integration;
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 Mastery of testing methodologies (unit tests, component tests, integration tests, etc.);
 </li>
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 Excellent communication &amp; interpersonal skills; This is an absolute must, we have heated debates around complicated subjects and you will be expected to lead conversations around them
 </li>
 </ul>
</div>

Backend Engineer

Avanza Solutions

Senior Backend Engineer (Node.js / Next.js)Lendverse &ndash; AI-Embedded Credit Decisioning PlatformLendverse is building an AI-driven credit decisioning and lending infrastructure for banks and fintechs. We&rsquo;re looking for a Senior Backend Engineer to help scale our core backend systems and financial data pipelines.Responsibilities<ul><li>Build and scale backend microservices using Node.js &amp; Next.js</li><li>Design secure, high-performance REST/GraphQL APIs</li><li>Work on credit scoring, lending, and financial data pipelines</li><li>Integrate with banks, credit bureaus, KYC/AML providers, and payment gateways</li><li>Ensure system reliability, security, and compliance</li><li>Collaborate with product, data, and engineering teams</li></ul>Requirements<ul><li>5+ years backend engineering experience</li><li>Strong hands-on experience with Node.js (NestJS/Express) and Python (FastAPI/Flask/Django)</li><li>Fintech domain experience (lending, payments, banking, credit systems)</li><li>Experience with microservices, PostgreSQL, and cloud platforms</li><li>Familiarity with Docker, CI/CD, and scalable architectures</li></ul>Nice to Have<ul><li>Event-driven systems (Kafka, RabbitMQ)</li><li>AI/ML model integration</li><li>Security, compliance, or regulatory exposure</li></ul>Job Type: Full-timePay: Rs250,000.00 - Rs350,000.00 per monthWork Location: In person

Senior Backend Engineer

Human Capital HR Solutions

Location: KarachiRole Overview: This role is suitable for fresh graduates or early-career professionals who want hands-on experience in backend development in a startup environment.Key Responsibilities:<ul><li>Assist in building and maintaining backend APIs and services</li><li>Work with backend languages such as Python or Node.js</li><li>Fix bugs and support existing backend systems</li><li>Work with databases and simple data models</li><li>Connect backend services with frontend applications</li><li>Follow coding standards and best practices</li><li>Work closely with the development team</li></ul>Requirements:<ul><li>0&ndash;1 year of experience (internships or academic projects are acceptable)</li><li>Basic knowledge of Python, JavaScript, or similar languages</li><li>Understanding of REST APIs</li><li>Familiarity with relational databases</li><li>Basic knowledge of Git</li><li>Willingness to learn and work in a startup environment</li></ul>Nice to Have:<ul><li>Personal or academic backend projects</li><li>Basic exposure to Docker or cloud platforms</li></ul>Salary &amp; Benefits:<ul><li>Market-competitive salary</li><li>Learning and growth opportunities</li><li>Benefits as per company policy</li></ul>How to Apply: Send your resume to: careers1.hc@gmail.com CC: careers@humancapitalintl.com Please mention &ldquo;Junior Backend Engineer&rdquo; in the email subject line.Follow us on social media for the latest job opportunitiesStay updated with new openings, career updates, and company news by connecting with us:Instagram: https://www.instagram.com/humancapitalhrsolutions/ LinkedIn: https://www.linkedin.com/company/human-capital-hr-solution/ Facebook: https://www.facebook.com/humancapitalhrsolution/Job Type: Full-timeWork Location: In person

Junior Backend Engineer

Nex Consulting Private Limited

Job DescriptionWhat You&rsquo;ll Do:This role is ideal for a highly motivated and technically strong Java Backend Engineer who thrives in a fast-paced and collaborative environment. You will be responsible for designing, developing, and maintaining scalable Java-based microservices, ensuring high-quality code, system reliability, and continuous improvement through modern engineering practices.Backend Development &amp; Microservices:<ul><li>Design, develop, and maintain Java/J2EE-based microservices using Java 8 &amp; 11, Spring Boot, and Kafka.</li><li>Build and maintain RESTful services and service-oriented architectures (SOA).</li><li>Work with Spring Framework components including Spring JPA, Spring Batch, Schedulers, Apache Camel, and XML-based integrations.</li><li>Develop data-driven backend solutions using Oracle databases.</li></ul>Testing, Quality &amp; CI/CD:<ul><li>Implement unit testing using JUnit and Mockito, ensuring high test coverage and code quality.</li><li>Maintain and improve build processes using Maven and Gradle.</li><li>Contribute to and support CI/CD pipelines for automated builds and deployments.</li><li>Follow coding standards, design patterns, and best practices to ensure maintainable and scalable codebases.</li></ul>Integration &amp; Modern Frameworks:<ul><li>Support and enhance integrations using Kafka-based event-driven architecture.</li><li>Exposure to SOAP APIs and Spring WebFlux is a plus.</li><li>Collaborate on systems requiring both synchronous and asynchronous communication patterns.</li></ul>Collaboration &amp; Continuous Improvement:<ul><li>Work closely with cross-functional teams including QA, DevOps, and product stakeholders.</li><li>Participate in code reviews and technical discussions to continuously improve system design.</li><li>Proactively identify issues, suggest improvements, and contribute to architectural decisions.</li><li>Stay updated with emerging technologies, open-source tools, and modern Java ecosystem trends.</li></ul>What You Know:<ul><li>4+ years of hands-on experience in Java/J2EE development.</li><li>Strong expertise in Java 8 &amp; 11, Spring Boot, Kafka, Oracle.</li><li>Proficiency with Spring (JPA, Batch, Schedulers), Apache Camel, and XML-based integrations.</li><li>Hands-on experience with JUnit, Mockito, test coverage, and code quality tools.</li><li>Experience with Maven, Gradle, and CI/CD pipelines.</li><li>Strong experience with Git, SVN, or other distributed version control systems.</li><li>Deep understanding of Java design concepts, patterns, and coding standards.</li><li>Basic exposure to JavaScript, Vue.js, and Node.js.</li><li>Exposure to SOAP APIs and Spring WebFlux is a plus.</li><li>Independent thinker with strong problem-solving skills and passion for learning new technologies.</li></ul>Education:<ul><li>Bachelor&rsquo;s degree in Computer Science, Information Technology, or a related field.</li></ul>Job Type: Full-timePay: Rs280,000.00 - Rs500,000.00 per monthWork Location: In person

Java Backend Engineer

Confiz

<div>We are hiring a Senior/Principal Full Stack Engineer (Java + React) with 3-7 years of experience to design, develop, and maintain scalable software solutions for Supply Chain and warehouse management. The ideal candidate will have strong expertise in Java, Spring Boot, and React, along with cloud technologies, and the flexibility to work from 2 PM to 11 PM PKT to collaborate with global teams.
Responsibilities:
<ul><li>Develop full-stack software systems to support Supply Chain services and warehouse management.
</li><li>Design, architect, and implement frontend (React) and backend (Java/Spring Boot) solutions for complex business problems.
</li><li>Ensure the delivery of high-quality, scalable, and maintainable code with proper testing.
</li><li>Document system designs and technical specifications.
</li><li>Provide on-call support for production systems owned by the team.
</li></ul>Requirements:
<ul><li>3-7 years of professional experience in full-stack development (Java + React).
</li><li>Strong proficiency in Backend: Java, Spring Boot, Microservices, REST APIs and Frontend: React.js, JavaScript/TypeScript, modern UI frameworks
</li><li>Experience with distributed systems and large-scale applications.
</li><li>Expertise in incident management, debugging, and root cause analysis.
</li><li>Hands-on experience with messaging systems (Kafka) and databases (SQL/NoSQL).
</li><li>Proficiency in cloud platforms (AWS, Kubernetes); GCP is a plus.
</li><li>Familiarity with CI/CD pipelines (GitLab, Terraform), logging (New Relic, Splunk), and observability tools.
</li><li>Ability to design and articulate scalable system architectures.
</li><li>Flexibility to work from 2 PM to 11 PM PKT for team collaboration.
</li><li>Prior experience in Supply Chain is a plus.
</li></ul>We have an amazing team of 700+ individuals working on highly innovative enterprise projects &amp; products. Our customer base includes Fortune 100 retail and CPG companies, leading store chains, fast-growth fintech, and multiple Silicon Valley startups.
What makes Confiz stand out is our focus on processes and culture. Confiz is ISO 9001:2015 (QMS), ISO 27001:2022 (ISMS), ISO 20000-1:2018 (ITSM), ISO 14001:2015 (EMS), ISO 45001:2018 (OHSMS) Certified. We have a vibrant culture of learning via collaboration and making workplace fun.
People who work with us work with cutting-edge technologies while contributing success to the company as well as to themselves.
To know more about Confiz Limited, visit: https://www.linkedin.com/company/confiz-pakistan/</div>

Senior/Principal Fullstack Engineer (Java+React)

Quanrio LLP

This position is for a client and not part of Quanrio&rsquo;s internal hiring.Location: Karachi, Pakistan Experience Required: Minimum 3 yearsJob Description: We are looking for a highly motivated Backend Developer to join our team in Karachi. The ideal candidate will have at least 3 years of professional experience in backend development, with working exposure to AI Large Language Models (LLMs). You will be responsible for designing and implementing scalable server‑side applications, integrating AI/ML features into production systems, and collaborating with cross‑functional teams to deliver innovative solutions.Key Responsibilities<ul><li>Develop, optimize, and maintain backend services and APIs.</li><li>Integrate AI/LLM models into applications for intelligent features such as chatbots, content generation, and recommendation systems.</li><li>Collaborate with data scientists and ML engineers to deploy and scale AI models.</li><li>Ensure system performance, security, and reliability.</li><li>Manage databases, caching, and distributed systems for high‑availability applications.</li><li>Conduct code reviews, write unit tests, and maintain documentation.</li><li>Stay updated with emerging backend and AI technologies.</li></ul>Requirements<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field.</li><li>Minimum 3 years of professional experience in backend development.</li><li>Strong proficiency in Node.js, Python, or Java for backend services.</li><li>Experience with frameworks such as Express.js, Django, or Spring Boot.</li><li>Solid understanding of databases: MongoDB, PostgreSQL, MySQL, or SQL Server.</li><li>Exposure to AI/LLM frameworks such as Hugging Face Transformers, LangChain, OpenAI APIs, or similar.</li><li>Familiarity with cloud platforms (AWS, Azure, GCP) and containerization tools like Docker/Kubernetes.</li><li>Knowledge of RESTful APIs, GraphQL, and microservices architecture.</li><li>Experience with CI/CD pipelines, Git/GitHub, and Agile methodologies.</li><li>Strong problem‑solving skills and ability to work in collaborative teams.</li></ul>Job type: Full timeJob Type: Full-timePay: Rs250,000.00 - Rs280,000.00 per monthWork Location: In person

Backend Developer

LaunchBox Global

Join Our Growing Team!Location: Emarah Suites, Main Shahra-e-Faisal, Karachi Timings: 12:00 PM &ndash; 9:00 PM Employment Type: Full-time | On-siteWhat You&rsquo;ll Need to Succeed<ul><li>Communication</li><li>Decision Making</li><li>Time Management</li><li>Conflict Resolution</li><li>Leadership</li><li>Adaptability</li><li>Teamwork</li><li>Creativity</li></ul>What You&rsquo;ll Need to Know<ul><li>Positions available: 1</li><li>Job type: Permanent</li></ul>Position Overview: We&rsquo;re looking for a Senior Backend Developer with strong expertise in Node.js and proficiency in multiple backend technologies. You will architect, develop, and maintain scalable APIs, databases, and backend systems, ensuring optimal performance and security.Key Responsibilities:<ul><li>Design, develop, and maintain robust backend systems and APIs, primarily using Node.js.</li><li>Collaborate with frontend developers, mobile engineers, and DevOps teams to deliver end-to-end solutions.</li><li>Optimize applications for maximum speed, scalability, and security.</li><li>Manage and maintain databases (SQL &amp; NoSQL) including PostgreSQL, MySQL, MongoDB.</li><li>Implement best practices for code quality, testing, and deployment.</li><li>Troubleshoot and debug applications, ensuring smooth performance.</li><li>Mentor junior developers and lead code reviews.</li></ul>Requirements:<ul><li>3+ years of backend development experience.</li><li>Strong expertise in Node.js (Express.js, NestJS, or similar frameworks).</li><li>Experience with RESTful APIs, GraphQL, and microservices architecture.</li><li>Familiarity with cloud platforms (AWS, Azure, or GCP).</li><li>Strong understanding of SQL &amp; NoSQL databases.</li><li>Knowledge of authentication, authorization, and security best practices (OAuth, JWT, etc.).</li><li>Experience with Git and CI/CD pipelines.</li><li>Experience with various third-party APIs like Stripe, PayPal, Google Places, Twilio, SendGrid, MailChimp, etc.</li><li>Strong problem-solving skills and attention to detail.</li></ul>In summary you will be: Responsible for architecting and scaling backend systems that power mobile apps. Must have hands-on experience with Node.js, RESTful APIs/GraphQL, databases (SQL/NoSQL), and cloud platforms (AWS/GCP/Azure). Strong focus on problem-solving, system design, sprint planning, and managing deployments. Should be able to think product-first, not just code-first. Anticipating bottlenecks, ensuring security, and enabling smooth app-backend integrations.Job Type: Full-timePay: Rs200,000.00 - Rs250,000.00 per monthEducation:<ul><li>Bachelor's (Preferred)</li></ul>Experience:<ul><li>Backend Development: 3 years (Required)</li><li>Agile (Scrum Framework): 2 years (Preferred)</li></ul>Language:<ul><li>English (Required)</li></ul>Work Location: In person

Senior Software Engineer (Backend)

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