senior backend engineer

Qureos

<h3>About the Role &nbsp;</h3>Our backend powers complex workflows across jobs, interviews, sourcing, and AI-driven insights. As we expand these capabilities, we’re strengthening our architecture and introducing new patterns to support scale and speed. We’re hiring a Senior Backend Engineer who enjoys solving real product challenges, shaping reliable systems, and helping a team level up.Your work will influence how our backend grows — improving performance, modularity, and developer experience — while delivering new features that matter to our customers.This is a role for someone who values doing the right thing, moves with high velocity, communicates clearly. &nbsp;<h3>What You’ll Work On &nbsp;</h3><ul><li>Build backend features using Node.js / NestJS with clean, scalable patterns</li><li>Improve backend structure, modularity, and data flows</li><li>Implement API endpoints and business logic with clarity and maintainability</li><li>Review code and guide engineers toward better patterns</li><li>Collaborate with frontend, product, and AI teams to design efficient solutions</li><li>Identify small improvements that increase developer velocity</li><li>Strengthen error handling, validation, and domain clarity across the backend</li><li>Help the team avoid new tech debt while delivering fast &nbsp;</li></ul><h3>Requirements</h3><ul><li>Strong experience with NestJS</li><li>Deep understanding of backend architecture patterns: <ul><li>Modular monolith</li><li>Service + repository layering</li><li>Dependency injection</li><li>DTOs &amp; validation</li></ul></li><li>Solid experience designing reliable, high-quality APIs</li><li>Strong debugging, problem-solving, and code-organization skills</li><li>Ability to guide other developers and establish patterns</li><li>Experience with PostgreSQL, and MongoDB</li><li>Experience improving backend performance or resolving bottlenecks</li><li>Experience in event-driven or modular architectures</li><li>Experience in AI-powered products (Claude, Cursor, Copilot)</li></ul>

Senior Backend Engineer

Etera Technologies FZCO

<div><h3 class="jobSectionHeader">About Etera</h3>
Etera is building the world&rsquo;s first AI Concierge &mdash; a platform that helps users discover and book restaurants, hotels, experiences, and flights through intelligent, personalized interactions.
We are a high-velocity startup based in Dubai, operating with strong principles of ownership, speed, and technical rigor. Our backend systems are the backbone of the product: complex, data-driven, AI-aware, and built to scale from day one.<h3 class="jobSectionHeader">
Role Overview</h3>
We are looking for a Senior Backend Engineer with deep experience in Python and TypeScript, working primarily with Bun and Elysia as our core runtime and framework.
This role is about owning backend systems end-to-end &mdash; from API design and external integrations to data pipelines, personalization logic, and infrastructure awareness.
You will be responsible for building and evolving complex backend workflows that understand user behavior, power AI-driven personalization, and integrate multiple external services reliably at scale. This is a high-ownership role for an engineer who has built real systems in production and thrives in startup environments.<h3 class="jobSectionHeader">
Key Responsibilities</h3><ul>
<li>Design, build, and own backend services using TypeScript, Bun, and Elysia.</li>
<li>Develop and maintain supporting systems in Python for data processing, AI workflows, and pipelines.</li>
<li>Architect and implement microservice-based systems and inter-service communication.</li>
<li>Integrate and maintain external APIs (partners, vendors, AI providers, data sources).</li>
<li>Build complex pipelines and workflows that analyze user behavior and drive personalized responses.</li>
<li>Design backend logic that supports intelligent, adaptive, and context-aware user experiences.</li>
<li>Work with PostgreSQL for transactional data, analytics, and system state.</li>
<li>Ensure backend systems are scalable, observable, and reliable.</li>
<li>Collaborate closely with frontend and product teams to translate product requirements into robust backend solutions.</li>
<li>Take ownership of services from design through deployment and iteration.</li>
<li>Contribute to infrastructure discussions, including DevOps, deployment pipelines, and runtime environments.</li>
<li>Maintain high code quality through testing, reviews, and strong Git-based workflows.</li>
</ul>
Requirements<ul><li>
7+ years of professional backend engineering experience.</li></ul><ul>
<li>Strong expertise in TypeScript for backend systems.</li>
<li>Production experience with Bun and Elysia (or the ability to ramp up extremely quickly).</li>
<li>Advanced Python experience for backend services, pipelines, or AI-related workflows.</li>
<li>Strong experience building and maintaining microservice architectures.</li>
<li>Proven experience integrating external APIs and third-party systems.</li>
<li>Experience designing data pipelines, processing flows, and behavior-driven systems.</li>
<li>Solid understanding of PostgreSQL, schema design, and query optimization.</li>
<li>Experience working in startup environments with fast iteration cycles.</li>
<li>Strong ownership mindset &mdash; comfortable owning entire backend workflows and systems.</li>
<li>Good understanding of DevOps concepts, infrastructure, and deployment pipelines (hands-on or close collaboration).</li>
<li>Proficient with Git and team-based development workflows.</li>
<li>Ability to collaborate deeply with product and frontend teams to build cohesive user experiences.</li>
</ul><h3 class="jobSectionHeader">Nice to Have</h3><ul>
<li>Experience with event-driven systems, queues, or workflow orchestration.</li>
<li>Familiarity with personalization engines, recommendation systems, or user modeling.</li>
<li>Experience working alongside AI/LLM-powered systems.</li>
<li>Background in analytics, experimentation platforms, or behavioral tracking.</li>
</ul>
Benefits<ul>
<li>
Own and shape the backend of a category-defining AI product.</li>
<li>Work on complex, real-world systems that blend data, AI, and product logic.</li>
<li>High autonomy and trust &mdash; you build it, you own it.</li>
<li>Collaborate with a strong product and frontend team in a fast-moving environment.</li>
<li>Work from a modern Dubai office</li>
<li>Be part of building something ambitious, technically deep, and globally impactful.</li></ul></div>

Penny Software

About Penny SoftwarePenny is a fast-growing procurement and technology company headquartered in Riyadh with operations across Saudi Arabia and Bahrain. We are building innovative solutions to simplify procurement processes, empower businesses, and create meaningful impact.Why Join Us?We are looking for talented, growth-minded individuals eager to take on new challenges. At Penny, we nurture potential and provide an environment where every employee can thrive professionally and personally.Role Responsibilities:We are looking for a Senior Backend Engineer comfortable with the complexity of a micro-service architecture. You will construct the core, highly scalable foundation of Penny, valuing reliability, fault tolerance, and performance.This role requires a forward-thinking outlook and the ability to balance strategic planning with the agility and scrappiness needed for present needs, without sacrificing code quality. You will drive product initiatives by continuously learning new technologies and systems.Key Technologies (Primary Stack):<ul><li>Golang and Python</li><li>Micro-services and Distributed Systems</li><li>Kubernetes/Docker</li><li>GCP (Google Cloud Platform)</li></ul>Core Responsibilities:<ul><li>API Ownership: Be a key stakeholder for all internal and external API services across various features.</li><li>Design &amp; Architecture: Participate in and contribute to the technical design process, defining code architecture for a high-performance, scalable product with a minimal footprint.</li><li>Implementation: Implement robust web services, business logic, and APIs primarily using Golang.</li><li>Quality &amp; Standards: Drive and elevate engineering standards, tooling, and process improvements across the team.</li><li>Data-Driven Development: Experiment, prototype, measure, and leverage data-driven analysis to inform all development decisions.</li><li>Stakeholder Management: Effectively own end-to-end initiatives, ensuring clear communication with all stakeholders (Product, QA, Front-End, Infrastructure, etc.) to deliver maximum business value.</li><li>Documentation: Own and maintain comprehensive documentation for all externally facing APIs.</li></ul>What Makes You a Good Fit:<ul><li>Experience: 4+ years of professional experience in backend development, ideally in a fast-paced startup environment.</li><li>Backend Mastery: Deep passion for well-structured backend services and a proven track record working with distributed/scalable infrastructure in a micro-services-first design.</li><li>Environment: Extremely comfortable working in multi-threaded applications and within *nix based execution environments.</li><li>Quality First: Value code quality, testability, and an iterative development methodology.</li><li>Cloud Fluency: Familiarity with cloud environments (preferably GCP), infrastructure as code, and provisioning for the code you write.</li><li>Performance: A deep appreciation for resource frugality and application performance.</li><li>Confidence Building: You demonstrate and incrementally build confidence in all the pieces you develop through robust testing and clear communication.</li></ul>Desired (Pluses):<ul><li>Proven experience with Kubernetes, Docker, and CI/CD systems.</li><li>Experience with GCP deployments and pipeline management.</li><li>Knowledge of Typescript/Javascript (for polyglot systems).</li><li>Experience with message queues like NATS.</li><li>Knowledge of multiple communication protocols, ideally gRPC (and REST, WebSockets).</li><li>Strong understanding of security principles (JWTs, salting, RSA, etc.).</li><li>A deep sense of appreciation for Test-Driven Development (TDD) methodology.</li></ul>Job Type: Full-time

FLASH

<div>Role Overview
We are seeking an experienced and highly skilled Senior backend Engineer to join our dynamic team, you will play a critical role in designing, developing, and maintaining our software solutions. You will work closely with cross-functional teams, including product managers, designers, and other engineers, to deliver high-quality software that meets our customers' needs. 
RESPONSIBILITIES:<ul><li>
Mentor and guide junior engineers, providing technical leadership, code reviews, and best practices to ensure the delivery of high-quality, well-architected code.</li><li>
Design, develop, and maintain scalable and efficient software applications using Golang and related technologies.</li><li>
Collaborate with product managers, designers, and other engineers to gather requirements, define technical specifications, and deliver high-quality software solutions.</li><li>
Identify and address performance bottlenecks and architectural improvements to optimize the performance, scalability, and reliability of our software systems.</li><li>
Stay up-to-date with the latest trends and advancements in Golang and related technologies, bringing new ideas and insights to the team.</li><li>
Contribute to the improvement of software development processes and methodologies, promoting best practices and continuous improvement.</li><li>
Participate in code reviews, knowledge-sharing sessions, and technical discussions to foster a collaborative and learning-oriented culture.</li></ul>
QUALIFICATIONS:<ul><li>
Bachelor's degree in a quantitative field such as Engineering, computer science, or equivalent</li><li>
Proven experience of at least 4 years in software engineering.</li><li>
Strong understanding of software development principles, design patterns, and best practices.</li><li>
Experience in designing and implementing RESTful APIs and microservices architectures using Golang.</li><li>
Experience with relational and NoSQL databases, and proficiency in writing efficient database queries and designing schemas.</li><li>
Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes.</li><li>
Experience with version control systems (e.g., Git) and CI/CD pipelines.</li><li>
Strong problem-solving and debugging skills, with the ability to analyze complex technical issues and propose effective solutions.</li><li>
Excellent communication and collaboration skills, with the ability to work effectively in a cross-functional team environment.</li><li>
Passion for learning and staying updated with the latest trends and advancements in software engineering.</li></ul>
What We Offer 
A collaborative and dynamic work environment!<ul><li>
The chance to work on exciting projects to innovate in the fintech industry.</li><li>
Opportunities for professional development and career growth.</li><li>
Social and medical insurance coverage.</li><li>
Monthly credit to use at your disposal on our app.</li></ul>
TC8E5vXgYe</div>

HungerStation | هنقرستيشن

<div>
 HungerStation is part of the Delivery Hero Group, the world&rsquo;s pioneering local delivery platform, our mission is to deliver an amazing experience&mdash;fast, easy, and to your door. We operate in over 70+ countries worldwide. Headquartered in Berlin, Germany. Delivery Hero has been listed on the Frankfurt Stock Exchange since 2017 and is part of the MDAX stock market index.
 
 
 
 Job Description
 
 
 
 We are looking for a highly talented
 
 Senior Backend Engineer
 
 to join our
 
 Shopping domain - Checkout team
 
 in
 
 Riyadh
 
 . If you are looking for a place where you can gain hands-on experience and create a direct impact, then this may be the place for you! The ideal candidate will have a track record as a significant individual contributor as well as a strong team player, supporting a team, and working closely with the management teams to drive strategic initiatives forward across the region.
 
 
 
 You Will Be Working On
 
 
 
 <ul>
 <li>
 Take part in architectural decision-making on a platform that is used by millions of people.
 </li>
 <li>
 Actively participate in migrating our monolithic application into Microservices.
 </li>
 <li>
 Playing an active role in designing, improving and most importantly securing the overall backend architecture to support massive growth in users and products without compromise.
 </li>
 <li>
 Deal with Docker containers, Kubernetes manifests, all this on Google Cloud Platform.
 </li>
 <li>
 Coaching and mentoring other team members as a senior member of the team and member of our Backend Chapter.
 </li>
 <li>
 We embrace Design Driven Development, SOLID Principles, Event-driven Architecture, Algorithms and automated tests (unit, integration and functional).
 </li>
 <li>
 Understanding development lifecycle and collaborating with cross-functional and agile teams.
 </li>
 <li>
 Participate in the continuous and common effort of test coverage, refactoring and documentation.
 </li>
 <li>
 Showing off your code review, debugging and investigation skills on a regular basis.
 
 
 </li>
 </ul>
 
 Qualifications
 
 
 
 <ul>
 <li>
 5+ years of experience in backend development using GoLang, Ruby on Rails (RoR), Java, or Python.
 </li>
 <li>
 Strong database expertise with PostgreSQL and NoSQL databases. You should have a solid understanding of normal forms, ACID principles, isolation levels, indexing, query optimization, and memory caching (e.g., Redis, Memcached).
 </li>
 <li>
 Proficiency in monitoring, alerting, and logging tools such as Grafana.
 </li>
 <li>
 Deep understanding of software architecture, including Domain-Driven Design (DDD), microservices, Kubernetes, and containerization.
 </li>
 <li>
 Experience with monolithic migration.
 </li>
 <li>
 Strong testing mindset with experience writing unit and integration tests to ensure code quality and reliability.
 </li>
 <li>
 Adaptability &amp; problem-solving skills &ndash; Ability to navigate ambiguity, work in a dynamic, fast-paced environment, and make informed decisions.
 
 
 </li>
 </ul>
 
 Additional Information
 
 
 
 <ul>
 <li>
 We offer relocation support globally to our permanent employees.
 </li>
 <li>
 Exchange ideas and meet 2000+ colleagues from different teams within Delivery Hero in our active guilds and through our global tech and product community.
 </li>
 <li>
 Develop your skills with your personal educational budget for conferences and external training.
 </li>
 <li>
 Access our e-learning platform LinkedIn and participate in our various in-house training programs
 </li>
 <li>
 And much more&hellip;
 </li>
 </ul>
</div>

Senior Backend Engineer - Shopping

BlockDelta

Overview Our client is a pioneer in digital finance, delivering next-generation crypto and FX platforms. With a strong foundation in regulated financial markets, theyve earned a reputation for excellence across global trading infrastructure. As part of their strategic growth, they are now seeking a Senior Backend Engineer to join their world-class engineering team in the UAE. Role Requirement We are looking for a sharp and dependable Senior Backend Engineer to help our client build the next generation of high-performance trading infrastructure. This role is perfect for someone who thrives in fast-paced environments and enjoys solving complex engineering challenges from optimizing memory usage and managing real-time socket connections to load testing mission-critical systems under pressure. Key Responsibilities <ul><li>Develop robust and scalable backend systems using Node.js to support mission-critical applications</li><li>Engineer low-latency, real-time communication features leveraging WebSockets or equivalent protocols</li><li>Optimize memory usage and enhance system efficiency under demanding workloads</li><li>Lead efforts in stress testing, performance analysis, and tuning of backend services</li><li>Work closely with frontend engineers and DevOps to ensure secure, reliable, and well-integrated deployments</li><li>Produce high-quality, maintainable, and well-tested code following best practices</li><li>Enhance data flow and maximize performance in high-concurrency, low-latency systems</li><li>Design and deploy resilient infrastructure with robust monitoring and alerting mechanisms</li></ul> Qualifications <ul><li>Minimum 6 years of backend engineering experience, including 5+ years working extensively with Node.js</li><li>Solid grasp of asynchronous workflows and event-driven system design</li><li>Proven experience building real-time applications using WebSockets, data streaming, and push technologies</li><li>Demonstrated expertise in memory analysis, garbage collection optimization, and identifying memory leaks</li><li>Familiarity with performance testing tools such as Artillery, k6, or JMeter</li><li>Practical experience working with Redis, PostgreSQL, and optionally MongoDB</li><li>Skilled in diagnosing performance bottlenecks and conducting in-depth debugging across complex systems</li><li>Strong knowledge of containerization, CI / CD workflows, and designing microservices-based systems</li><li>Familiarity with message brokers such as Kafka or RabbitMQ is an advantage</li><li>Background in building and maintaining distributed, high-availability infrastructure</li></ul> Favoured <ul><li>Industry experience in fintech, gaming, or high-speed trading environments</li><li>Hands-on background with binary protocols, custom-built socket servers, or low-level networking</li><li>Proficient in designing scalable infrastructure using Kubernetes</li><li>Comfortable working with real-time observability tools such as Prometheus and Grafana</li></ul>This is an exceptional opportunity to work with a world-class team.Salary: Highly competitive, in line with experience and market standards.To apply, please submit your CV via the link.For additional information about open vacancies and events we are attending, please feel free to follow our LinkedIn Page. We are presently working on numerous client roles at BlockDelta.

Senior Backend Engineer (Fintech / HFT)

JELLYFISH

<div>Engineers do their best work when they can focus on what matters most. Leaders want to help teams set clear priorities. It's hard to know where people are working in large systems when issue tracking systems are messy. Jellyfish's engineering team is solving this problem for every issue tracking system and any style of working. We're looking for a Senior Backend Engineer, AI Systems who wants to build tools that classify work into meaningful categories so leaders can see patterns and help their teams focus on what matters.
This role demands someone who can handle complex data at scale. You'll work across multiple issue tracking systems, each with different data models and quirks, processing millions of issues for hundreds of customers. You need to design systems that can classify and aggregate work efficiently, build data pipelines that handle the volume, and apply LLMs in ways that work at scale. Strong backend engineering skills, experience with complex data modeling, and curiosity about building production LLM systems and AI infrastructure are essential.
The best candidates are senior backend engineers who enjoy working with unstructured data, want to learn about using AI infrastructure responsibly, and care about building features that help engineering leaders make better decisions for their teams.
Let's talk about what you'll do:<ul><li>
Design, plan, and implement key features as part of a highly effective development team</li><li>
Rapidly deliver value for our customers by pushing features to our AWS-hosted SaaS environment daily, with automated CI/CD pipelines</li><li>
Provide technical and product expertise within your team and across the organization</li><li>
Think big about what&rsquo;s possible to represent the scope of engineering work and how it&rsquo;s changing</li><li>
Communicate effectively about project status and technical issues</li><li>
Participate in your team&rsquo;s agile process and work to continually improve your team&rsquo;s capabilities</li><li>
Provide support for production operations of the Jellyfish product</li><li>
Actively participate in a culture supportive of growth and inclusion on your team</li></ul>
Let's talk about what you need to excel:<ul><li>
10+ years of experience building SaaS products</li><li>
Strong skills in Python, and passion for building production software systems</li><li>
Enough experience with frontend frameworks, such as React, to be able to pitch in from time to time to move a project forward or troubleshoot issues.</li><li>
Strong skills in data modeling in relational database systems and experience with and interest in other database technologies such as columnar systems.</li><li>
Experience working with Large Language Models and Amazon&rsquo;s Bedrock and Sagemaker environments.</li><li>
Fluency with tools such as Copilot, Cursor, Claude Code, Kiro and a track record of using them to build and ship fast.</li><li>
Have worked in or interested in a growth-stage startup</li><li>
Curiosity - great at asking questions, figuring out what needs to be done, building consensus, and executing</li><li>
Love learning new things and teaching others what you know</li><li>
Strong communication skills and desire for collaborative work</li></ul>
A list of job experiences and qualification requirements is great, but humility, a performance-driven attitude, and a team-player approach are most important to us. We love to have fun and win in the process. We only hire people who have a passion for building great companies in an environment where a sense of humor is a must.
Occasional travel may be required.
Applicants must be authorized to work for any employer in the US. We are unable to sponsor or take over sponsorship of an employment visa at this time.
Let&rsquo;s talk about us! 
This is all about you, but you want to know a little about us. Jellyfish enables leaders to effectively build AI-integrated engineering teams, align engineering decisions with business initiatives and deliver the right software efficiently and on time. AI tools alone won&rsquo;t transform your org&mdash;Jellyfish shows you what&rsquo;s working, what&rsquo;s not, and how to build high-performing teams that know how to use AI the right way.
Compensation Range: $165K - $235K</div>

Senior Backend Engineer, AI Systems

Search 10000+ Senior backend engineer jobs near you this December. New roles added regularly across leading industries. Apply today.

10000 senior backend engineer jobs NEAR_ME

Senior Backend Engineer

Senior Backend Engineer

Senior Backend Engineer

Senior Backend Engineer

Senior Backend Engineer - Shopping

Senior Backend Engineer (Fintech / HFT)

Senior Backend Engineer, AI Systems