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backend / infra software developer

senior software engineer

Arc Inventor

Arc Inventador is a fast-growing technology company delivering scalable SaaS solutions for global clients. We specialize in building high-performance platforms through software development, cloud-native engineering, and digital transformation. Our backend engineering team plays a vital role in designing secure, reliable, and scalable services that power mission-critical applications.We are looking for a Backend Engineer with strong expertise in Node.js backend services, cloud architecture, database design, API security, caching, and distributed systems. You will design, develop, and maintain backend services that are secure, performant, and optimized for scalability across enterprise-grade applications.Key ResponsibilitiesNode.js Backend Services &amp; Architecture<ul><li>Design and develop scalable backend services and APIs using Node.js.</li><li>Define and implement microservice-based architectures with a focus on modularity, maintainability, and performance.</li><li>Apply secure coding practices to prevent vulnerabilities such as injection attacks, CSRF, or XSS.</li></ul>API Design &amp; Integration<ul><li>Build and secure RESTful APIs with proper authentication/authorization (JWT, OAuth, Firebase Authentication).</li><li>Manage API versioning, response structures, and error handling.</li><li>Collaborate with frontend and mobile teams for seamless integration.</li></ul>Database Engineering &amp; Search Optimization<ul><li>Design and implement database models for relational (MySQL) and NoSQL systems.</li><li>Optimize queries and schema design for performance and scalability.</li><li>Work with Elasticsearch for indexing, full-text search, and analytics.</li></ul>Caching &amp; Performance Optimization<ul><li>Design and implement caching layers (Redis or equivalent) to optimize response times.</li><li>Define cache invalidation strategies and ensure consistency across distributed systems.</li><li>Apply best practices for high-performance API and system design.</li></ul>Background Jobs &amp; Distributed Systems<ul><li>Build and optimize background job processing pipelines using queues and schedulers.</li><li>Ensure reliability of distributed systems, handling retries and failures gracefully.</li><li>Scale workloads to support large data sets and concurrent requests.</li></ul>Cloud Engineering &amp; Security<ul><li>Deploy, monitor, and scale backend services on cloud platforms (AWS, GCP, or Azure).</li><li>Apply cloud-native security measures including IAM roles, secret management, and encryption.</li><li>Ensure compliance with API security standards and conduct regular audits.</li></ul>Required Skills &amp; Experience<ul><li>3&ndash;5 years of professional experience as a Backend Engineer.</li><li>Strong command of Node.js, REST APIs, and backend architecture.</li><li>Hands-on experience with MySQL database modeling and Elasticsearch.</li><li>Proficiency in caching systems (Redis, Memcached, etc.).</li><li>Expertise in cloud engineering and backend deployment pipelines.</li><li>Strong understanding of API authentication, security protocols, and secure coding practices.</li><li>Experience with background jobs, distributed systems, and microservices.</li><li>Familiarity with Git, Agile methodologies, and CI/CD pipelines.</li><li>Knowledge of Docker/Kubernetes for containerization is a plus.</li></ul>Job Type: Full-timeWork Location: In person

Senior Software Engineer

Think Digitally Pvt. Ltd

About Think Digitally: At Think Digitally, we&rsquo;re passionate about building digital solutions that make an impact. With innovation at our core, we empower fresh graduates to learn, grow, and contribute to meaningful projects from day one.About The Role:We are looking for a Senior Software Engineer (PHP) to join our dynamic team. In this role, you&rsquo;ll design, build, and scale modern web applications using PHP (Laravel) and React. Beyond coding, you will mentor team members, contribute to architectural decisions, and ensure the delivery of high-quality, scalable solutions.What you will do:<ul><li>Design, develop, and maintain scalable web applications using PHP (Laravel) and React.</li><li>Write clean, efficient, testable, and secure code following best practices.</li><li>Solve complex technical challenges with scalable and innovative solutions.</li><li>Provide technical mentorship and guidance to junior engineers.</li><li>Conduct code reviews, ensuring adherence to coding, performance, and security standards.</li><li>Collaborate with cross-functional teams (Product, QA, Design) to deliver features on time.</li><li>Contribute to architectural discussions and long-term scalability planning.</li><li>Support leadership in risk assessment, task prioritisation, and delivery planning.</li></ul>What we are looking for:<ul><li>Bachelor's or Master&rsquo;s degree in Computer Science, Engineering, or related field.</li><li>4+ years of professional experience developing large-scale business applications.</li><li>Expert-level proficiency in PHP with strong experience in Laravel.</li><li>Solid understanding of OOP, design principles, and design patterns.</li><li>Strong database skills (MySQL, PostgreSQL) with query optimisation experience.</li><li>Proficiency in front-end fundamentals (HTML, CSS, JavaScript).</li><li>Experience with automated testing frameworks (PHP Unit, Mocha, Jasmine, etc.).</li><li>Strong knowledge of RESTful APIs, microservices, and integrations.</li><li>Experience with cloud platforms (AWS, Azure, GCP), CI/CD pipelines, Docker, Kubernetes.</li><li>Familiarity with Agile/SCRUM and tools like Jira/Confluence.</li><li>Strong problem-solving, debugging, and analytical skills.</li><li>Excellent communication skills and ability to mentor others.</li></ul>What you will get:<ul><li>Compensation &amp; Growth</li></ul>- Competitive, above-market salary- Bi-annual increments- Performance-based bonuses<ul><li>Work-Life Balance </li></ul>- Flexible hybrid working model- Generous paid leave policies (casual, sick, annual, parental, pilgrimage, bereavement, etc.) - OPD &amp; hospitalization coverage for self, spouse, children &amp; parents - Maternity care (pre-natal and post-natal) - Unlimited 24/7 teleconsultations with GPs - Discounts on labs, specialist doctors &amp; pharmacies- Health and wellbeing counselling- Inclusive, people-first workplace - Regular team-building activities &amp; celebrations - Learning-focused culture with access to training and mentorship<ul><li>Health &amp; Wellness</li></ul>- OPD &amp; hospitalization coverage for self, spouse, children &amp; parents - Maternity care (pre-natal and post-natal) - Unlimited 24/7 teleconsultations with GPs - Discounts on labs, specialist doctors &amp; pharmacies - Health and wellbeing counselling<ul><li>Team &amp; Culture </li></ul>- Inclusive, people-first workplace - Regular team-building activities &amp; celebrations - Learning-focused culture with access to training and mentorshipJob Type: Full-timeWork Location: In person

Senior Software Engineer (PHP)

Hul Hub Pakistan

<div>
 
 Senior Software Engineer (MEAN)Job Description
 
 
 
 <ul>
 <li>
 Write well-structured, functional code on the front- and back-end
 </li>
 <li>
 Perform unit tests as required to ensure compatibility and stability
 </li>
 <li>
 Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development, and propose code solutions
 </li>
 <li>
 Troubleshoot, debug and upgrade existing systems
 </li>
 <li>
 Comply with project plans and industry standards
 
 
 </li>
 </ul>
 
 Qualifications:
 
 
 
 <ul>
 <li>
 Bachelor's degree in Computer Science or similar relevant field.
 </li>
 <li>
 3+ years of hands-on experience working on MEAN Stack
 </li>
 <li>
 Hands-on experience with Typescript/JavaScript Development on both client and server-side.
 
 
 </li>
 </ul>
 
 Job Specifications:
 
 
 
 <ul>
 <li>
 In-depth knowledge of NodeJS, ExpressJS and MongoDB.
 </li>
 <li>
 Experience implementing applications using Angular (5+).
 </li>
 <li>
 Experience using RxJS and its operators in Angular is a must.
 </li>
 <li>
 Experience with modern frameworks and design patterns.
 </li>
 <li>
 Experience in application architecture, server management, and website performance.
 </li>
 <li>
 Knowledge of the following will be considered as an advantage:
 </li>
 <li>
 Previously worked on products such as customer support solutions.
 </li>
 <li>
 Experience with cloud technologies
 </li>
 <li>
 Version control (SVN, Git)
 
 
 </li>
 </ul>
 
 Perks &amp; Benefits:
 
 
 
 <ul>
 <li>
 Market competitive salary package
 </li>
 <li>
 Career growth opportunities
 </li>
 <li>
 Health care benefits
 </li>
 <li>
 Provident Fund &amp; EOBI Subsidized
 </li>
 <li>
 Company paid certifications
 </li>
 <li>
 Subsidized Transport facility (subject to availability)
 
 
 </li>
 </ul>
 
 Location:
 
 Karachi, Sindh - Pakistan
</div>

Senior Software Engineer (MEAN)

Careem

<div><div>Careem is building the Everything App for the greater Middle East, making it easier than ever to move around, order food and groceries, manage payments, and more. Careem is led by a powerful purpose to simplify and improve the lives of people and build an awesome organisation that inspires. Since 2012, Careem has created earnings for over 2.5 million Captains, simplified the lives of over 70 million customers, and built a platform for the region&rsquo;s best talent to thrive and for entrepreneurs to scale their businesses. Careem operates in over 70 cities across 10 countries, from Morocco to Pakistan.</div><div>
About the Team

The Careem Data Platform team&rsquo;s mission is to provide a platform to abstract big data complexities and enable fast, reliable and secure access to data. As a member of this team, you will be at the forefront of fulfilling this mission. You will be working with the top talent of the region, leveraging modern big data tools and techniques to solve the region&rsquo;s day to day problems, on top of our own in-house data platform, serving users in real-time.

This role will be part of the Data processing and computation platform team. We are heavily invested in open source technologies like Apache Spark, Apache Kafka, Apache Trino etc. You would also have an opportunity to contribute and collaborate with the open source community.

What you'll do
<ul>
<li>Bringing an innovative and creative mindset to data engineering challenges to develop a modern data platform with efficient reusable components</li>
<li>Design, architect, solutioning, implement and test rapid prototypes that demonstrate value of the data and present them to diverse audiences</li>
<li>Your focus will be on making code more efficient to run, optimizing resources across the cluster, and speeding up the compute workloads we face</li>
<li>Continuously improve our engineering processes, tests, and systems that allow us to scale the code base and productivity of the team</li>
<li>Collaborate with teams globally and operate in a fast paced environment</li>
<li>Responsible for creating reusable and scalable data pipelines</li>
</ul>
What you&rsquo;ll need
<ul>
<li>5+ years of hands-on experience in software development</li>
<li>Bachelor's degree in Computer Science or a related technical field</li>
<li>Strong expertise in Scala, Java, Python or similar programming languages</li>
<li>Proven track record of building distributed systems or working on comparable large-scale projects</li>
<li>Deep understanding of cloud-native Big Data technologies</li>
<li>Solid foundation in software engineering principles and design best practices</li>
<li>Passion for developing high-quality, maintainable, and performant software within a collaborative, high-performing global team</li>
<li>Experience with cloud control planes (AWS, GCP, etc.) or database internals, including query optimization</li>
<li>Contributions to open-source projects will be preferred</li>
<li>Experience with Docker and Kubernetes is a plus</li></ul></div></div>

Senior Software Engineer I

Hul Hub Pvt Ltd

Job Description:<ul><li>Write well-structured, functional code on the front- and back-end</li><li>Perform unit tests as required to ensure compatibility and stability</li><li>Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development, and propose code solutions</li><li>Troubleshoot, debug and upgrade existing systems</li><li>Comply with project plans and industry standards</li></ul>Qualifications:<ul><li>Bachelor's degree in Computer Science or similar relevant field.</li><li>3+ years of hands-on experience working on MEAN Stack</li><li>Hands-on experience with Typescript/JavaScript Development on both client and server-side.</li></ul>Job Specifications:<ul><li>In-depth knowledge of NodeJS, ExpressJS and MongoDB.</li><li>Experience implementing applications using Angular (5+).</li><li>Experience using RxJS and its operators in Angular is a must.</li><li>Experience with modern frameworks and design patterns.</li><li>Experience in application architecture, server management, and website performance.</li><li>Knowledge of the following will be considered as an advantage:</li><li>Previously worked on products such as customer support solutions.</li><li>Experience with cloud technologies</li><li>Version control (SVN, Git)</li></ul>Perks &amp; Benefits:<ul><li>Market competitive salary package</li><li>Career growth opportunities</li><li>Health care benefits</li><li>Provident Fund &amp; EOBI Subsidized</li><li>Company paid certifications</li><li>Subsidized Transport facility (subject to availability)</li></ul>Location:Karachi, Sindh - PakistanJob Type: Full-timeWork Location: In person

Senior Software Engineer - MEAN

NielsenIQ

<div>Company Description 
The incumbent will be primarily responsible for designing test solutions and testing of applications built upon Enterprise Web Development using Java EE platform.
Must be passionate for quality and has a keen eye for designs and aesthetics
This role focuses on designing and implementing test solutions for enterprise web applications built on the Java EE platform, emphasizing quality and aesthetics.<ul><li>
Role responsibilities: The position entails designing test solutions, testing APIs, debugging high-performance applications, developing testing frameworks, and contributing across all development phases. It also involves mentoring junior members and overseeing technical project aspects.</li><li>
Technical skills required: Proficiency in Selenium Web Driver, SoapUI, JMeter, Jenkins, Bash scripting, Elastic Search, Kafka, Docker &amp; Kubernetes, MongoDB, node.js, Git, MySQL, Redis, and AWS is essential.</li><li>
Competencies emphasized: Key competencies include quick learning, applying functional and technical skills, staying updated with latest developments, building productive relationships, prioritizing tasks effectively, taking personal responsibility, and acting with integrity.</li><li>
Education and experience: Candidates should have a good understanding of web technologies, experience in automated testing and testing frameworks, excellent English communication skills, and hold a BS or MS degree in Computer Science or Software Engineering.</li></ul> 
Job Description 
<ul><li>
Experience of testing and debugging high-volume, low-latency, high performance applications which are highly available</li><li>
Experience in the testing of APIs, object-oriented design, agile development e.g. Scrum etc.</li><li>
Experience designing and developing testing frameworks</li><li>
Experience designing and developing functional, performance tests and test infrastructure</li><li>
Working experience in automated testing</li><li>
Ability to train and mentor junior team members</li><li>
Ability to contribute in all phases of the development lifecycle.</li><li>
Ability to multi-task</li><li>
Ability to work independently and must be self-driven</li><li>
Contribute to software deployment strategies</li><li>
Supervising and overseeing the technical aspects of projects whenever needed</li><li>
Regularly attending team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues</li></ul> 

Qualifications 
Good understanding of web technologies.
Must be passionate for quality and has a keen eye for designs and aesthetics.
Excellent written and verbal English communication skills.
Working experience in Automated Testing, Testing Frameworks
BS/CS,SE or MS/CS,SE 
 
Tools<ul><li>
Selenium Web Driver or Compatible</li><li>
SoapUI or Compatible</li><li>
Jmeter or Compatible</li><li>
Jenkins</li><li>
Bash Scripting</li><li>
Elastic Search</li><li>
Distributed micro services</li><li>
Kafka</li><li>
Docker &amp; Kubernetes</li><li>
Mongo</li><li>
node.js</li><li>
Git Working knowledge</li><li>
MySQL</li><li>
Redis</li><li>
AWS</li></ul> 

Additional Information<div></div> 
Our Benefits<ul><li>
Flexible working environment</li><li>
Volunteer time off</li><li>
LinkedIn Learning</li><li>
Employee-Assistance-Program (EAP)</li></ul>

About NIQ
NIQ is the world&rsquo;s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth. In 2023, NIQ combined with GfK, bringing together the two industry leaders with unparalleled global reach. With a holistic retail read and the most comprehensive consumer insights&mdash;delivered with advanced analytics through state-of-the-art platforms&mdash;NIQ delivers the Full View&trade;. NIQ is an Advent International portfolio company with operations in 100+ markets, covering more than 90% of the world&rsquo;s population.
For more information, visit NIQ.com
Want to keep up with our latest updates?
Follow us on: LinkedIn | Instagram | Twitter | Facebook

Our commitment to Diversity, Equity, and Inclusion
At NIQ, we are steadfast in our commitment to fostering an inclusive workplace that mirrors the rich diversity of the communities and markets we serve. We believe that embracing a wide range of perspectives drives innovation and excellence. All employment decisions at NIQ are made without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable laws. We invite individuals who share our dedication to inclusivity and equity to join us in making a meaningful impact. To learn more about our ongoing efforts in diversity and inclusion, please visit the https://nielseniq.com/global/en/news-center/diversity-inclusion</div>

Senior Software Test Engineer

Jami Partners

Jami Partners is looking for an exceptional candidate to build the next generation high performance front-end trading application. People who are passionate and experienced Senior Software Engineer / Senior Developer are welcome to join our growing team. In this role, you will be responsible to work through the full lifecycle of software development projects, from ideation to launch. You will work closely with cross-functional teams including developers, business analysts, product owners, and different stakeholders to ensure projects are delivered on time, within budget, and meet all requirements.Responsibilities:Design and build scalable next generation front-end trading applications, particularly build high frequency and low latency applications with optimal memory management, performance, and scalability internet facing applications in .NET, MVC, WPF, WinForms, WinUI, WCF, .Net Core Web APIs and C#.Develop high performance front-end trading applications in .NET, C#, WinForms, WPF and WinUI.Develop low latency, high throughout applications in .NET, C#, WCF, .Net Core Web APIs, TCPIP.Design software systems using .NET and ensure compliance with architecture requirements.Program SQL, T-SQL, Design database structures of in-memory database.Analyze and optimize the performance of the application.Research new technologies for .NET, get accustomed to it and propose solutions.Collaborate with business analysts, project managers, and stakeholders to understand the functional and non-functional requirements of the application.Familiar with Agile Methodology and SDLC.Maintain proper development and support documentations.Qualifications:Bachelor's Degree in Computer Science or related field or equivalent experience.Hands on 2+ years of experience designing and building scalable next generation front-end trading applications, particularly build high frequency and low latency applications with optimal memory management, performance, and scalability internet facing applications in .NET, MVC, WPF, WinForms, WinUI, WCF, .Net Core Web APIs and C#.Excellent in designing in SOLID Principles, Design Patterns, Microservices and other Architecture Frameworks.Must have 2+ years of experience in relational database technologies DDL, DML T-SQL skills, advanced stored procedure writing skills, tables, primary.Experience using Team Foundation Server (TFS) or similar system for source code control.Experience working on front-end trading system is an added advantage.Location: KarachiJob Type: Full-timePay: Rs200,000.00 - Rs400,000.00 per monthWork Location: In person

Software Engineer .Net

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