Backend Engineer
Full-time
Airalo
Your main responsibilities are: - Develop and maintain robust backend services capable of handling high-volume global traffic.
- Implement functional APIs and optimize query performance to ensure a seamless user experience.
- Contribute to our modular architecture , helping us build resilient, service-oriented systems.
- Write clean, maintainable code by applying SOLID principles, OOP best practices, and design patterns.
- Master the art of debugging , identifying and resolving issues across our stack with precision.
- Integrate asynchronous processes using queues and basic event-driven patterns to improve system efficiency.
- Collaborate closely with Senior Engineers and Product teams to turn requirements into high-quality technical solutions.
Does this sound like you:
- 3-5 years of professional backend development experience with a solid command of PHP .
- Proven experience building applications in Laravel or a strong background in Symfony with a desire to transition.
- Strong understanding of OOP , interfaces, and code modularity; you know why "clean code" matters.
- Solid knowledge of SQL , including database indexing, migrations, and basic query optimization.
- AI Proficiency: Ability to effectively use AI tools during technical tasks; we value engineers who know how to prompt, validate, and iterate with AI to build better software faster.
- Familiarity with modern infrastructure , including Docker and basic CI/CD pipeline troubleshooting.
- Experience with testing , specifically writing unit and feature tests to ensure code reliability.
- Fluent English with the ability to communicate technical progress and seek support effectively within a remote team.
Bonus:
- Familiarity with caching mechanisms (Redis/Memcached) and Cloud services (AWS).
- Experience with SaaS or Traveltech solutions.
- Experience with eSIM or GSMA technologies.
- A curiosity for distributed systems and horizontal scaling.
On-Call
Participating in our on-call rotation is a core expectation of this role. It's essential for maintaining 24/7 service reliability across our global operations, ensuring our systems remain resilient and our customers experience uninterrupted service, regardless of time zone or geography.
- Paid Rotation: We offer standby fees + overtime pay.
- Delayed Start: No on-call duties for your first 6 months.
- Rest & Recovery: Guaranteed rest periods and flexible hours following night incidents.
- Shared Load: Rotations are split (Weekdays vs. Weekends) to minimize fatigue.
Please refer to the On-Call Policy in the Airalo Handbook for full details:
Vacancy posted 13 hours ago
Similar jobs that could be interesting for youBased on the Backend Engineer in United Kingdom vacancy
- ...As a Senior Backend Engineer in GitLab’s Platform Enablement organization, you will help make GitLab easier to deploy, validate, and operate across environments. You’ll help shape GitLab’s next generation of self-managed deployment guidance as Reference Architectures...SuggestedFull time
- ...technology leaders worth following globally. Position Overview We are seeking a highly analytical, systems-minded Senior Backend Engineer (Go) to join an elite group of core technologists building our next-generation AI Data Asset Management platform in a full-time...SuggestedHourly payDaily paidFull timeContract workTemporary workFor contractorsFreelanceRemote workWork from home
- ...mission In this role, your mission will be to enhance and scale the backend systems powering the Mimica platform ( MERN stack). This means... ...responsibility for what you build. As a member of our early engineering team, you‘ll have the opportunity to shape our technical...SuggestedFull time
- ...About the Role: As a Backend Engineer, you'll collaborate directly with the CTO to architect and build the core infrastructure of Pod. This is a high-impact role where you’ll shape the foundation of a platform designed to push the boundaries of decentralized applications...SuggestedRemote jobFull time
- ...As a Backend Engineer on the Gitaly team, you’ll help build GitLab’s Git data storage tier, a standalone product that provides reliable, secure, and fast access to Git repositories through application programming interfaces (APIs) and storage operations. You’ll work...SuggestedFull time
- ...In this role, your mission will be to enhance and scale the backend systems powering the Mimica platform ( MERN stack). This means... ...operational responsibility for what you build. As a member of our early engineering team, you‘ll have the opportunity to shape our technical...Full time
- As a Senior Backend Engineer in GitLab’s Platform Enablement organization, you will help make GitLab easier to deploy, validate, and operate across environments. You’ll help shape GitLab’s next generation of self-managed deployment guidance as Reference Architectures evolve...Full time
- ...technical design through production rollout. Design and implement backend architecture changes that support Coder's long-term... ...What we're looking for ~5+ years of professional software engineering experience, including significant production experience with...Full time
£91k - £114k per year
Grafana Cloud is our composable observability platform that integrates metrics, logs, and traces with Grafana. It allows our customers to leverage the best open source observability software - including Prometheus , Mimir , Loki , and Tempo - without the overhead of installing...Full time- ...40 million verified users, facilitating over $1 trillion in crypto transactions. As a Back-End Engineer on our Cryptocurrency Trading Platform, you will build the backend services that power our internal and external trading products — from order management and market...Full timeApprenticeshipWork at officeRemote workWorldwideFlexible hours
- ...You’ll Work On You will design and build the core on-chain and backend systems that power a perpetual exchange, with a focus on... ...optimizations and CU profiling Previous work experience with matching engines, order books, or execution systems Perpetuals, margin...Work experience placementRemote work
£91k - £114k per year
...cloud product and our customers and getting to know the codebase of a large distributed system As we are remote-first and our engineering organization is largely remote, we provide guidance and meet regularly using video calls, so an independent attitude and good communication...Full timeLocal areaRemote work- ...About the Role We are hiring a Software Engineer - Backend to join the Funds Transfers team. Join the team powering the financial heartbeat of Pliant. We own the fund flows logic that drives every money movement across the platform: from settlements and drawdowns...Full time
- ...and AI agent a cryptographically secured identity, improving engineering velocity while maintaining security. We make trusted computing... ...work on Teleport itself. You will build the user interfaces and backend APIs to implement them for all parts of Teleport. You will...Full timeRemote work
- ...builders doing the best work of their lives. We are researchers, engineers, and operators. IOI medalists and ex-founders. If you want to... ...do require: Expertise in Python. A strong background in backend development. Familiarity with common software and system design...Full timeImmediate startRemote work
- ...Senior Full Stack Engineer The Role - What will you be doing? Key Responsibilities and Duties Join a rapidly growing team to help... ...release, support and maintain complex financial platforms. Our backend is written in Node driven by SQL databases and our front-end...Full time
- ...absolute mission to protect, optimize, and transform biomaterials engineering for industrial manufacturing at scale. Backed by elite venture... ...-side microservices cleanly natively leveraging Node.js backend environments, and commands secure authentication and cloud-native...Full timeWork at officeRemote workWork from homeHome officeShift work
- ...role ElevenLabs' product dashboard has three modes — ElevenAgents, ElevenCreative, and ElevenAPI. We're looking for a Full-Stack Engineer to take ownership of the ElevenAPI side: the developer-facing dashboard used by everyone building on top of ElevenLabs. We're...Full time
- SoSafe has the ambition to become the leading human risk management provider in Europe. Our award-winning awareness platform triggers behavioural change by providing effective and engaging training and simulations on cybersecurity and data protection. Cybercrime is costing...Full timeWork at officeLocal areaWorldwideFlexible hours
- ...The Role: We’re looking for Senior Full Stack Engineers to design and build the systems that power tem's core products and internal platforms. We’re hiring across several teams - including Developer Experience, Billing & Payments, Buy-Side Growth, Sell-Side Growth, and...Full time
- ...Development Architect full-stack applications with Shopify as the backend and modern front-end frameworks (Next.js, Remix, React, etc.)... ...and async collaboration. Comfortable mentoring other engineers and leading by example. Passionate about eCommerce innovation...Full time
- ...defines your career! The role This is a high-impact Fullstack Engineer opportunity to build and own a new internal web application... ...Shop product end-to-end using React/TypeScript and established backend web frameworks Integrate the frontend with existing systems...Full timeInternshipWork at officeWork from home
- ...What we're building Jiga is on a mission to help engineers build physical products faster. Think npm install for mechanical engineers - we're building the infrastructure that makes hardware development as fast as software. How we actually work We’re a small...Work at officeRemote work
- ...to hundreds of thousands of businesses and empower millions of engineers worldwide to build deeply personalized customer experiences. Backed... .... ~ Practical familiarity integrating frontend layers with backend services using **REST APIs or GraphQL** schemas. ~ Solid...Full timeRemote workWork from homeWorldwideFlexible hours
- ...positions, balances, charts ~ Integrate Solana wallet flows and backend services into real-time UI systems ~ Implement low-latency... ...user interaction ~ Collaborate closely with designers, backend engineers and protocol engineers on system design ~ Write tests and...Full timeRemote work
- ...more at [chain.link]( About the role The Senior Software Engineer will play a critical role in advancing the reliability, scalability... ...the CRE platform. Lead the development of production-grade backend services and APIs that support multiple internal stakeholders...Full timeRemote work
- ...We strive for excellence in everything we do. The Role Shared Engineering is a mixed-discipline platform team of around a dozen... ...monitoring, alerting, scheduling, container orchestration or similar backend platform work. APIs, data pipelines and schema management:...Full timeWorldwide
- ...The Role As a Senior Software Engineer in the Acquisition Squad, you will be the driving force behind the key application and web development... ...code is shipped across our acquisition stack. Heavily Backend-Weighted: Your day-to-day focus will be heavily centered on our...Full time
- ...global impact, and the chance to grow fast with a world-class team, ARQ is the place to do it. What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products...Full timeWork at office3 days per week
- ...together and how the product scales. You'll join a team that values engineering fundamentals, product thinking, and a culture where impact... ...We’re Looking For Strong full-stack engineering experience - Deep backend experience in Java , Node.js , or another modern stack,...Full time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Backend Engineer. Be the first to apply!






