CrawlJobs Logo
Briefcase Icon
Category Icon

Software Engineer – Core Jobs

90 Job Offers

Filters
New
Software Engineer II, Core Security Engineering
Save Icon
Join Uber's Core Security Engineering team as a Software Engineer II in San Francisco, Seattle, or Sunnyvale. You'll build and maintain large-scale distributed systems for authentication, authorization, and access management, using Go, Java, or Python. Ideal for engineers with 3+ years of experie...
Location Icon
Location
United States , San Francisco; Seattle; Sunnyvale
Salary Icon
Salary
171000.00 - 190000.00 USD / Year
uber.com Logo
Uber
Expiration Date
Until further notice
New
Senior Software Engineer - Core Databases
Save Icon
Join Fivetran's core team in Novi Sad as a Senior Software Engineer for Databases. Design and build high-performance ELT systems, focusing on relational semantics and software performance. Enjoy full benefits, stock grants, and professional growth while shaping the foundation of our data integrat...
Location Icon
Location
Serbia , Novi Sad
Salary Icon
Salary
Not provided
fivetran.com Logo
Fivetran
Expiration Date
Until further notice
Senior Software Engineer - Core OS / Windows
Save Icon
Join Microsoft in Redmond to shape the core OS fabric powering global data centers. As a Senior Software Engineer, you'll develop critical virtualization and networking solutions for Windows Server. This role requires expertise in C/C++/C#, multi-threaded systems, and VM/host architecture. Collab...
Location Icon
Location
United States , Redmond
Salary Icon
Salary
119800.00 - 234700.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Senior Software Engineer - M365 Core
Save Icon
Lead the development of a global-scale Kubernetes platform powering Microsoft 365. As a Senior Software Engineer, you will build secure, high-availability systems and guide a talented team. This role requires expertise in C, C++, C#, or Python and a passion for distributed systems security. Join ...
Location Icon
Location
United States , Multiple Locations
Salary Icon
Salary
119800.00 - 234700.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Software Engineer, Backend - Core Domain
Save Icon
Join Satispay's Business Team in Milan as a Backend Engineer. Develop core financial domains like payments and invoicing using Java and Spring Boot. Enjoy a hybrid model, unlimited PTO, stock options, and relocation support in this dynamic FinTech.
Location Icon
Location
Italy , Milan
Salary Icon
Salary
Not provided
satispay.com Logo
Satispay
Expiration Date
Until further notice
Lead Software Engineer, Back End, CORE
Save Icon
Lead Back End Software Engineer role within the CORE Technology division at Capital One. Utilize Java, Python, and AWS to build resilient cloud infrastructure and solve complex problems. This role offers a collaborative environment in Plano, McLean, or Richmond, with competitive benefits and ince...
Location Icon
Location
United States , Plano; McLean; Richmond
Salary Icon
Salary
179400.00 - 225100.00 USD / Year
capitalone.com Logo
Capital One
Expiration Date
Until further notice
Software Engineer – Core Solutions
Save Icon
Join IT House as a Software Engineer – Core Solutions for a key client in Logistics. Utilize your Java and Angular expertise in full-stack development within an agile, hybrid environment in Porto. Enjoy direct client integration, a competitive package, and 24 vacation days.
Location Icon
Location
Portugal , Porto
Salary Icon
Salary
Not provided
https://egor.pt Logo
Egor
Expiration Date
Until further notice
Software Engineering Intern – Core AI
Save Icon
Join Microsoft's Core AI team in Prague as a Software Engineering Intern. Contribute to building AI-first developer tools and runtimes for platforms like Visual Studio Code and Azure. You'll design scalable solutions, solve complex problems, and grow in a collaborative environment with world-clas...
Location Icon
Location
Czech Republic , Prague
Salary Icon
Salary
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Software Engineer II, Frontend: Core Fleet Team
Save Icon
Join Uber's Core Fleet Team in Bangalore as a Frontend Software Engineer II. Develop scalable web solutions for FleetHub using cutting-edge technologies. You'll need 4+ years of web development experience and a collaborative, ownership-driven mindset. Build impactful products for the global Uber ...
Location Icon
Location
India , Bangalore
Salary Icon
Salary
Not provided
uber.com Logo
Uber
Expiration Date
Until further notice
Senior and Principal Software Engineer - Core AI
Save Icon
Join Microsoft's Core AI team in Redmond to build the foundational Observability platform for next-gen AI applications. As a Senior or Principal Software Engineer, you'll design and deliver large-scale AI services for monitoring and optimizing agent performance. This role requires strong coding s...
Location Icon
Location
United States , Redmond
Salary Icon
Salary
139900.00 - 274800.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Senior Java Software Engineer – Core Backend Platform
Save Icon
Join a remote-first, global team as a Senior Java Software Engineer. You'll build and maintain the core backend platform, focusing on stability and reliability for complex systems. This role requires strong Java fundamentals and a proactive mindset. Enjoy high autonomy in a low-ego, quality-drive...
Location Icon
Location
United Kingdom , London
Salary Icon
Salary
Not provided
weareorbis.com Logo
Orbis Consultants
Expiration Date
Until further notice
Senior Core QA Specialist - Software Test Engineering
Save Icon
Lead test strategy and automation for next-generation vehicle infotainment systems in Markham. This senior role requires 6+ years of embedded QA experience, Android testing expertise, and proficiency in Python/Java with Robot Framework/Appium. You will define test plans, build automation framewor...
Location Icon
Location
Canada , Markham
Salary Icon
Salary
104000.00 - 154000.00 USD / Year
gm.com Logo
General Motors
Expiration Date
Until further notice
Senior Backend Software Engineer - Core Domain
Save Icon
Join Satispay's Core Team in Milan as a Senior Backend Engineer. You will engineer critical systems like Payment Orchestration, IAM, and fraud detection using Java and microservices. Enjoy a hybrid model, unlimited PTO, stock options, and relocation support while building the backbone of our FinT...
Location Icon
Location
Italy , Milan
Salary Icon
Salary
Not provided
satispay.com Logo
Satispay
Expiration Date
Until further notice
Ai-first Core It Software Engineering: Software, Ml & Data
Save Icon
Join our AI-First IT Transformation in Santa Clara. Lead high-impact software, ML, and data engineering projects, developing core enterprise systems with LLMs and GenAI. We seek experts in Python/Java/Go, ML algorithms, RAG, and Kubernetes for large-scale deployment. Drive innovation in a role ta...
Location Icon
Location
United States , Santa Clara
Salary Icon
Salary
Not provided
paloaltonetworks.com Logo
Palo Alto Networks
Expiration Date
Until further notice
Software Engineer, Fullstack (Support Core)
Save Icon
Join Dialpad in Vancouver as a Fullstack Software Engineer. You will build high-scale web and desktop applications using Python, Vue/React, and GCP. Drive architectural decisions, mentor junior engineers, and ensure system stability in a collaborative environment.
Location Icon
Location
Canada , Vancouver
Salary Icon
Salary
147000.00 - 174000.00 CAD / Year
dialpad.com Logo
Dialpad
Expiration Date
Until further notice
Senior Software Development Engineer – .NET Core
Save Icon
Lead the technical delivery of robust .NET Core solutions in Johannesburg. This senior role requires 5-8 years' experience designing scalable applications in Agile teams. You will mentor developers, ensure best practices, and support the full SDLC. A background in regulated environments and Azure...
Location Icon
Location
South Africa , Johannesburg
Salary Icon
Salary
Not provided
nttdata.com Logo
NTT DATA
Expiration Date
Until further notice
Senior Software Engineer .NET Core
Save Icon
Join our Noida team as a Senior .NET Core Software Engineer. Design and architect scalable applications using .NET Core, C#, and modern SPA frameworks like Angular or React. Enjoy a collaborative environment with flexible hours, remote options, and clear career growth. Work on diverse, innovative...
Location Icon
Location
India , Noida
Salary Icon
Salary
Not provided
taazaa.com Logo
Taazaa Inc
Expiration Date
Until further notice
Software Engineer 2 - Core AI
Save Icon
Join Microsoft's Experimentation Platform team in Beijing to build core AI and data-driven systems at massive scale. Design and develop high-performance distributed systems, data pipelines, and AI-agent automation for products like Copilot and Azure. Requires 4+ years of software engineering expe...
Location Icon
Location
China , Beijing
Salary Icon
Salary
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Senior Software Engineer - Core AI
Save Icon
Join Microsoft's Experimentation Platform team in Beijing as a Senior Software Engineer. Design and build high-performance, distributed systems and data pipelines for a global AI-driven experimentation ecosystem. Leverage your expertise in C#/.NET, Azure, and large-scale data processing to integr...
Location Icon
Location
China , Beijing
Salary Icon
Salary
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Intermediate Software Development Engineer .NET Core
Save Icon
Join NTT DATA in Johannesburg as a .NET Core Software Engineer. Design and maintain high-quality applications using C#, ASP.NET Core, and SQL Server. This role requires 3-5 years' experience, Agile proficiency, and offers a collaborative, innovative team environment.
Location Icon
Location
South Africa , Johannesburg
Salary Icon
Salary
Not provided
nttdata.com Logo
NTT DATA
Expiration Date
Until further notice
Previous 1 2 3 4 5 Next

About the Software Engineer – Core role

Software Engineer – Core Jobs: Building the Foundational Systems of Modern Technology

A Software Engineer specializing in Core roles is the architect and builder of the fundamental systems upon which applications and services rely. Unlike roles focused solely on user-facing features, Core engineers delve into the underlying infrastructure, creating the robust, scalable, and efficient engines that power everything from cloud platforms to enterprise software. These professionals are pivotal in ensuring system reliability, performance, and security at the deepest levels. For those seeking impactful and technically challenging careers, Core software engineering jobs represent the backbone of the digital world, offering the opportunity to solve complex problems that affect millions of users and critical business operations.

Typically, professionals in these roles engage in designing, developing, and maintaining critical backend systems. Their common responsibilities revolve around creating high-performance, distributed software. This involves writing clean, maintainable, and testable code for systems that must handle massive scale and concurrency. They are tasked with solving intricate challenges in areas such as data processing, algorithm optimization, system reliability, and fault tolerance. A significant part of their work includes building and integrating microservices, designing APIs, and working with databases to ensure data integrity and fast access. Collaboration is key; Core engineers frequently work alongside cross-functional teams including product managers, DevOps specialists, and quality assurance to translate architectural vision into a stable, deployable reality.

The typical skill set for these positions is both deep and broad. Proficiency in one or more systems-oriented programming languages like Go, Java, C#, C++, or Python is standard. A strong foundation in computer science fundamentals—data structures, algorithms, and complexity analysis—is non-negotiable. Given the modern landscape, expertise in cloud-native development is paramount. This includes practical knowledge of containerization with Docker, orchestration with Kubernetes, and services from major cloud providers like AWS, Azure, or GCP. Experience with relational and non-relational databases, message queues, and caching mechanisms is also common. Beyond technical prowess, a successful Core software engineer possesses a security-first mindset, a passion for performance optimization, and exceptional problem-solving abilities to debug and improve complex distributed systems.

Ultimately, Core software engineering jobs are ideal for individuals who are driven by creating foundational technology. These roles demand a blend of theoretical knowledge and practical skill to build the invisible yet indispensable layers that make modern software fast, reliable, and scalable. It is a profession centered on engineering excellence, where the work directly influences the stability and capability of entire product ecosystems.

Filters

×
Countries
Category
Location
Work Mode
Salary