CrawlJobs Logo
Briefcase Icon
Category Icon

Senior Software Engineer - Core Jobs

3175 Job Offers

Filters
Senior Software Engineer II - Frontend - AI Search
Save Icon
Join Seismic's AI team in Hyderabad as a Senior Frontend Engineer. You will build modern, scalable user interfaces with React, TypeScript, and modern CSS. Leverage your 7+ years of experience to integrate with AI-driven search capabilities and REST/GraphQL APIs. Contribute to innovative SaaS solu...
Location Icon
Location
India , Hyderabad
Salary Icon
Salary
Not provided
seismic.com Logo
Seismic
Expiration Date
Until further notice
Senior Software Engineer II - Backend - AI Search
Save Icon
Join Seismic's AI team in Hyderabad as a Senior Backend Engineer. Develop and scale high-performance search and AI systems using C#, .NET, Python, and Redis. Collaborate on cutting-edge AI-driven features within the sales enablement platform.
Location Icon
Location
India , Hyderabad
Salary Icon
Salary
Not provided
seismic.com Logo
Seismic
Expiration Date
Until further notice
Senior Software Engineer (Java) - API Excellence
Save Icon
Join Adyen's new API Excellence team in Amsterdam as a Senior Software Engineer. Architect the unified platform strategy, drive API governance, and pioneer AI-assisted integration. Leverage your 7+ years of Java and polyglot expertise to enhance developer experience at scale.
Location Icon
Location
Netherlands , Amsterdam
Salary Icon
Salary
Not provided
adyen.com Logo
Adyen
Expiration Date
Until further notice
Senior Software Engineer (Java)
Save Icon
Join Adyen's Capital team in Chicago as a Senior Java Engineer. Develop a global lending platform, tackling complex challenges in scalability and distributed systems. We seek an owner-minded engineer with 8+ years' experience in Java, REST APIs, and large-scale systems. Help build robust, custome...
Location Icon
Location
United States , Chicago
Salary Icon
Salary
180000.00 - 243000.00 USD / Year
adyen.com Logo
Adyen
Expiration Date
Until further notice
Senior Software Engineer (Java) - Bank Payments
Save Icon
Join our North American Bank Payments team in Chicago as a Senior Java Engineer. You will design and build high-volume systems for ACH, EFT, and Pay by Bank solutions using Java, REST APIs, and PostgreSQL. Lead strategic projects, mentor engineers, and ensure scalability for platforms processing ...
Location Icon
Location
United States , Chicago
Salary Icon
Salary
180000.00 - 243000.00 USD / Year
adyen.com Logo
Adyen
Expiration Date
Until further notice
Senior Software Engineer - Streaming Platform
Save Icon
Join Adyen's Streaming Platform team in Bengaluru as a Senior Software Engineer. Design and scale core real-time data infrastructure using Apache Kafka and Flink. Leverage your 7+ years of backend and distributed systems expertise in Java. Build highly reliable streaming services powering critica...
Location Icon
Location
India , Bengaluru
Salary Icon
Salary
Not provided
adyen.com Logo
Adyen
Expiration Date
Until further notice
Senior Software Engineer (Java) - Banking Network
Save Icon
Join Adyen's Banking Network team in Chicago as a Senior Java Engineer. Build the core US infrastructure for high-volume, fault-tolerant payment systems, including direct Federal Reserve connections. You'll need 8+ years of experience with Java, distributed systems, and a passion for scalable, ro...
Location Icon
Location
United States , Chicago
Salary Icon
Salary
180000.00 - 243000.00 USD / Year
adyen.com Logo
Adyen
Expiration Date
Until further notice
Senior Software Engineer (Java) - Data Extraction & Accessibility
Save Icon
Join Adyen in Amsterdam as a Senior Java Engineer. Build and scale the core data extraction and accessibility platform using Java, REST APIs, and distributed systems. Collaborate cross-functionally to launch fast, iterate, and deliver secure data solutions for global merchants.
Location Icon
Location
Netherlands , Amsterdam
Salary Icon
Salary
Not provided
adyen.com Logo
Adyen
Expiration Date
Until further notice
Senior Software Engineer (Java)
Save Icon
Join our Madrid team as a Senior Java Engineer. Design and scale a high-performance distributed platform, impacting businesses from day one. Mentor peers, drive architectural decisions, and optimize robust financial data systems. We value clear communication, ownership, and fast-paced iteration w...
Location Icon
Location
Spain , Madrid
Salary Icon
Salary
Not provided
adyen.com Logo
Adyen
Expiration Date
Until further notice
Senior Software Engineer (Java) - Banking Network Development
Save Icon
Join our Banking Network Global Development team in Amsterdam as a Senior Java Engineer. You will design and build mission-critical APIs and scalable systems for global money transfers. We seek an expert with 7+ years in Java, distributed systems, and a collaborative, iterative mindset. Work on c...
Location Icon
Location
Netherlands , Amsterdam
Salary Icon
Salary
Not provided
adyen.com Logo
Adyen
Expiration Date
Until further notice
Senior Software Engineer (Java) - Customer Developer Observability
Save Icon
Join our Customer Developer Observability team in Chicago as a Senior Java Engineer. You will build and maintain a full-stack, large-scale data platform using PostgreSQL, Kafka, and Elasticsearch. Lead complex projects to deliver real-time insights through products like API Logs and the Developer...
Location Icon
Location
United States , Chicago
Salary Icon
Salary
180000.00 - 243000.00 USD / Year
adyen.com Logo
Adyen
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join BlackLine as a Senior Software Engineer in Bengaluru. Design and scale cloud-native SaaS applications using C#, .NET Core, and AWS/Azure. Lead technical projects, mentor engineers, and build high-availability backend services and APIs. Enjoy a supportive, growth-oriented culture with profess...
Location Icon
Location
India , Bengaluru
Salary Icon
Salary
Not provided
blackline.com Logo
BlackLine
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join Microsoft's Trust Safety & Intelligence team in Vancouver as a Senior Software Engineer. Use advanced AI and LLMs to ensure safe, high-quality content for billions of users across Windows, Edge, and Outlook. This role requires a Bachelor's degree, 4+ years of coding experience, and expertise...
Location Icon
Location
Canada , Vancouver
Salary Icon
Salary
114400.00 - 203900.00 CAD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join the Bizchat Experiences team at Microsoft to shape the future of enterprise Copilot UX. As a Senior Software Engineer in Hyderabad, you'll build scalable services and modern web experiences using Java/C# and React/TypeScript. Collaborate across teams to innovate in search extensibility and c...
Location Icon
Location
India , Hyderabad
Salary Icon
Salary
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join Acuver Consulting as a Senior Software Engineer in Bengaluru. Design and build scalable, secure microservices and enterprise applications using Spring Boot and cloud platforms (AWS/Azure/GCP). Leverage your 5+ years of experience in architecture, CI/CD, and messaging systems to create future...
Location Icon
Location
India , Bengaluru
Salary Icon
Salary
Not provided
acuverconsulting.com Logo
Acuver Consulting
Expiration Date
Until further notice
Senior Software engineer
Save Icon
Seeking a Senior Software Engineer with 10+ years of experience for a role in Bengaluru. You will design architecture and develop prototypes using microservices, REST APIs, and .NET technologies (ASP.NET, MVC, WCF). Essential skills include Kubernetes, container orchestration, and creating deploy...
Location Icon
Location
India , Bengaluru
Salary Icon
Salary
Not provided
ideainfinityit.com Logo
Idea Infinity
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join our team in Bangalore as a Senior Software Engineer – Embedded Systems. Utilize your expertise in C, C++, Python, and RTOS for embedded software development and debugging. We value strong skills in the full software lifecycle, testing (STLC), and tools like RTRT. Bring your problem-solving t...
Location Icon
Location
India , Bangalore
Salary Icon
Salary
Not provided
MicroGenesis TechSoft
Expiration Date
Until further notice
Senior Software Engineer
Save Icon
Join HawksCode in Jaipur as a Senior Software Engineer. Design and build high-performance, scalable systems using modern technologies like AI and cloud platforms (AWS/Azure/GCP). Enjoy a competitive salary, flexible work, and a role shaping innovative projects with real impact.
Location Icon
Location
India , Jaipur
Salary Icon
Salary
Not provided
HawksCode
Expiration Date
Until further notice
Senior Cross Platform Software Engineer - React Native
Save Icon
Join our team as a Senior Cross Platform Software Engineer specializing in React Native. You will develop high-performance mobile applications for Android and iOS in Egypt. We seek a professional with 5+ years of React Native experience, strong JavaScript/ES6 skills, and knowledge of REST/GraphQL...
Location Icon
Location
Egypt
Salary Icon
Salary
Not provided
linkdevelopment.com Logo
Dakahlia Group
Expiration Date
Until further notice
Senior Software Engineering Specialist
Save Icon
Seeking a Senior Software Engineering Specialist in Egypt with 8-15 years' experience. Master .NET, C#, ASP.NET Core, SQL Server, and Angular. Lead architecture, design, and full project lifecycle delivery, ensuring high-quality solutions.
Location Icon
Location
Egypt
Salary Icon
Salary
Not provided
linkdevelopment.com Logo
Dakahlia Group
Expiration Date
Until further notice

About the Senior Software Engineer - Core role

Explore Senior Software Engineer – Core jobs and discover a pivotal career at the heart of technology innovation. A Senior Software Engineer in a Core capacity is a seasoned professional responsible for designing, building, and maintaining the fundamental, business-critical systems and services that power modern applications. This role is central to an organization's technical infrastructure, focusing on creating robust, scalable, and high-performance platforms that serve as the backbone for other products and features. Professionals in these jobs move beyond feature development to solve deep architectural challenges, ensuring the entire ecosystem is reliable, efficient, and secure.

Typical responsibilities for a Senior Core Software Engineer involve architecting and implementing scalable, cloud-native systems and distributed computing solutions. They write clean, maintainable, and thoroughly tested code with a strong emphasis on performance, reliability, and fault tolerance. A key part of the role is designing and optimizing data storage and retrieval mechanisms, often working with relational and non-relational databases. These engineers actively collaborate with cross-functional teams, including product management, DevOps, Site Reliability Engineering (SRE), and quality assurance, to define technical roadmaps and operational excellence. They are also tasked with mentoring junior engineers, conducting code reviews, and establishing best practices for the entire engineering organization.

The typical skill set and requirements for these high-impact jobs are comprehensive. Candidates generally possess 5+ years of progressive software development experience, with deep proficiency in one or more backend-oriented languages such as Go, Java, C#, or Python. A strong foundation in computer science fundamentals—data structures, algorithms, and system design—is essential. Practical expertise with modern cloud platforms (AWS, Azure, GCP), containerization (Docker), and orchestration (Kubernetes) is standard, as is experience with microservices architecture and API design. A security-first mindset and understanding of DevOps principles, including CI/CD pipelines and infrastructure as code, are highly valued. Beyond technical acumen, successful Senior Core Engineers demonstrate exceptional problem-solving abilities, a passion for elegant and scalable design, and the leadership skills to drive complex projects from conception to deployment. If you are seeking jobs where you build the foundational technology that enables everything else, a Senior Software Engineer – Core position represents the pinnacle of backend engineering challenges and opportunities.

Filters

×
Countries
Category
Location
Work Mode
Salary