Senior Software Engineer Job at Mastercard (Ballerup)

Senior Software Engineer

Axis Security - Acquired by HPE Aruba is seeking a highly skilled and motivated ...

Location

Israel , Tel Aviv

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

5+ years of professional software development experience
Proficiency in one or more languages such as C#, JavaScript/TypeScript, or Go
Experience with frameworks such as .NET Core & React
Strong understanding of relational (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) databases
Strong experience in building RESTful APIs and microservices architectures
Experience working with one of the leading vendors for big data processing, analytics, and storage (Advantage)
Experience with AWS, Azure, or Google Cloud Platform (GCP) (Advantage)
Understanding of secure coding practices and data protection regulations (Advantage)
Experience with unit testing, integration testing, and automated testing frameworks (Advantage)
Experience with Docker, Kubernetes, Gitlab, or other CI/CD tools (Advantage)

Job Responsibility

Design, develop, test, and maintain robust, scalable, and high-quality software applications
Contribute to architectural decisions, ensuring efficient system design and implementation
Design and optimize data pipelines, integrating structured and unstructured data sources into data lakes
Write clean, maintainable, and well-documented code while enforcing coding standards and best practices (SOLID principles, TDD, CI/CD)
Identify bottlenecks and optimize application performance, scalability, and security
Mentor junior developers, conduct code reviews, and promote knowledge sharing within the team
Work closely with product managers, designers, DevOps, and QA teams to deliver high-quality software solutions
Troubleshoot and resolve complex technical issues across different components of the software stack
Participate in Agile methodologies, including sprint planning, daily stand-ups, and retrospectives

What we offer

Health & Wellbeing
Personal & Professional Development
Diversity, Inclusion & Belonging

Fulltime

Senior Software Engineer

UpGuard’s mission is to protect the world’s data. We obsessively seek out elegan...

Location

Australia , Sydney; Melbourne; Hobart; Brisbane

Salary:

Not provided

UpGuard

Expiration Date

Until further notice

Requirements

Outstanding software design and development skills
Experience in building highly scalable software systems
The ability to make pragmatic trade-offs in design and delivery
An interest in shaping product features
Collaboration: We are a tight-knit team that encourages each other to keep improving
Bachelor's degree in Software Engineering or equivalent practical experience

Job Responsibility

Engage in green-fields development as we introduce new features on the platform
Make an immediate impact on the product set, taking full ownership across the stack from frontend to backend, and right up to production DevOps
Explore an interesting, challenging domain, mastering the fundamentals of cyber security and the internet
Go beyond coding – collaborate with the team and our customers to influence product design and direction
Apply agile processes with an adaptable and non-dogmatic approach

What we offer

Hybrid or Remote: you choose
Impact: Influence the direction and design of projects that push the boundaries of your field and see the impact of your work daily
Be part of an energetic team: Our team is highly collaborative, fostering a positive work environment that encourages creativity and innovation
We value work-life balance: We recognize the importance of maintaining balance and provide a supportive work environment that allows you to prioritize your personal life and well-being
Generous reward: We offer a competitive salary + equity
Great perks: You won’t find table tennis tables or office mandates - we prefer to offer perks that support your overall well-being - including a lifestyle allowance, well-being program, WFH budget, personal learning & development budget, generous leave benefits, and plenty more

Fulltime

Senior Principal Software Engineer

The Senior Principal Software Engineer role involves tackling complex problems, ...

Location

United States , San Francisco

Salary:

198300.00 - 318600.00 USD / Year

Atlassian

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science or equivalent
10+ years of experience working as senior Software Engineer
5+ years of experience acting as Technical Lead for a team of engineers
Experience in supporting compliance environments related to FedRAMP, DoD, or mature compliance offerings at large scale tech companies

Job Responsibility

Regularly tackle the largest and most complex problems on the team, from technical design to launch
Partner across engineering teams to take on company-wide initiatives spanning multiple projects
Routinely tackle complex architecture challenges and apply architectural standards and start using them on new projects
Work across senior engineering and product leaders to build strategy and design solutions to earn customers trust and business
Lead a large team of Principals to tackle some of the broadest impacting and technically complex problems with a platform mindset

What we offer

Health coverage
paid volunteer days
wellness resources

Fulltime

Senior Software Engineer

We are looking for a Senior Software Engineer to join our team in Southern New H...

Location

United States , Portsmouth

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

At least 7 years of experience in software engineering, with significant exposure to backend development and business logic
Proficiency in Agile Scrum methodologies, API development, and technologies such as ASP.NET, Linq, and Blazor
Demonstrated ability to design and maintain enterprise-level software interfaces
Strong problem-solving skills and the ability to work independently while collaborating effectively with team members and stakeholders
Familiarity with financial systems and applications, with experience in the finance, banking, insurance, or healthcare industries being highly desirable
Bachelor’s degree in Computer Science, Software Engineering, or a related field
Commitment to growth and development through continuous learning, attending relevant courses, and staying updated on industry trends
Excellent communication skills and a proactive approach to managing tasks and responsibilities

Job Responsibility

Develop and maintain software solutions that align with business requirements and adhere to established technical standards
Design, refactor, and support data extraction and transformation tools, as well as web-based workflow management utilities
Collaborate with team members to establish software development standards, conduct code reviews, and manage version control
Serve as a technical resource for server-based third-party applications, ensuring smooth functionality and resolving issues
Monitor system performance, troubleshoot incidents, and implement improvements to maintain optimal operations
Ensure the confidentiality and security of sensitive information during software development and maintenance
Contribute to the creation of policies and procedures for software architecture and technical standards, supporting the development of the company’s software roadmap
Provide training, coaching, and support to team members on in-house and third-party tools
Recommend and implement design and product enhancements based on business needs and technological advancements

What we offer

medical, vision, dental, and life and disability insurance
eligible to enroll in our company 401(k) plan

Fulltime

Senior Managers Software Engineering

Atlassian enables Atlassians to work in a flexible manner — remotely, onsite, or...

Location

United States , San Francisco

Salary:

273915.00 - 274300.00 USD / Year

Atlassian

Expiration Date

Until further notice

Requirements

Master’s degree in Computer Science, Software Engineering, Electrical Engineering or a closely related field of study
5 years of experience building the technology strategy and operationalization of at least one people data platform
5 years of experience integrating various 1st party and 3rd party people products and secure processing of People/HR data pipelines and in enforcing privacy, security and compliance controls for at least one 1st party people product
5 years of experience in technical platform evaluations and enablement including hyper automation platforms (iPaaS, low/no code, BPM, RPA)
must pass technical interview

Job Responsibility

Collaborate and work closely with cross-functional partners across Atlassian to uncover opportunities to implement changes and deliver impact using emerging technologies and building internal tools
deliver the people data platform that ensures data quality, reliability and scalability across all people’s products and platforms
manage, review, mentor and guide software engineers to produce reliable and high-quality code
direct the building of platforms and frameworks that are used by other developers
manage and oversee the design IT architecture and integration with 3rd party systems
participate in solution design discussions, architectural decisions, code reviews and drive agile methods of delivering focusing on quality, CI/CD and best practices
work with a myriad of different technologies (SaaS, open source, custom builds, and hybrids of the preceding)
work with the product manager and designer to build MVPs, new features and products within defined timelines
keep up with cutting edge technologies and innovation to solve real-world business problems faced by internal teams
direct the design and build of 1P People/HR products including the integration with the operational data platform for People/HR data

What we offer

Health and wellbeing resources
paid volunteer days

Fulltime

Senior Software Engineer

PagerDuty is hiring a Senior Software Engineer to join our customer-focused team...

Location

Portugal

Salary:

Not provided

PagerDuty

Expiration Date

Until further notice

Requirements

10+ years of development experience overall
Strong communication skills with proven ability to work cross-functionally with technical and non-technical stakeholder groups
Development experience working on customer-facing, web-based systems
Experience designing, building, and operating large systems with scalability, availability, and performance requirements
Experience working in an agile environment with iterative development and fast feedback
Experience with tools that ensure your high-quality work makes a smooth, automated, repeatable transition from your machine to our staging and production environments
Experience working in a global distributed environment

Job Responsibility

Designing, coding, testing, and shipping microservices and user interfaces that power our new pricing platforms
Collaborating closely with engineers across teams
Working on systems that manage millions of dollars of PagerDuty revenue, building new features to improve our pricing, checkout, licensing, and billing systems
Solving interesting technical challenges while helping to scale our product to keep up with demand
Participating in your team’s on-call rotation, triaging and addressing production issues as they arise
Working cross-functionally with product, design, finance, and other teams to ensure our pricing platforms meet business and customer needs

What we offer

Competitive salary
Comprehensive benefits package from day one
Flexible work arrangements
Company equity
ESPP (Employee Stock Purchase Program)
Retirement or pension plan
Generous paid vacation time
Paid holidays and sick leave
Dutonian Wellness Days & HibernationDuty - companywide paid days off in addition to PTO
Paid parental leave: 22 weeks for pregnant parent, 12 weeks for non-pregnant parent

Fulltime

Senior Software Engineer

As a Senior Software Engineer on the Criminal Screenings team at Checkr, you wil...

Location

United States , Denver; San Francisco

Salary:

155000.00 - 215000.00 USD / Year

Checkr

Expiration Date

Until further notice

Requirements

6+ years of backend software development experience with a strong proficiency in Ruby (preferred), Golang, or JavaScript/TypeScript
solid understanding of Computer Science fundamentals such as relational and non-relational databases, data structures, algorithms, and REST APIs
experience with domain modeling, object design, and system architecture
proven track record of writing clear, tested, and concise code
proficiency to set expectations and inform decisions through project estimates based on the information available
ability to write and review technical proposals, providing constructive feedback and articulating trade-offs
strong sense of ownership across all aspects of the development lifecycle, including incident response and accountability for product robustness
desire to collaborate and share knowledge with peers, both within the team and across the organization
eagerness to learn, improve, and innovate in a fast-paced and collaborative environment

Job Responsibility

Develop new platform capabilities and product offerings from design through release
find the balance between speed to market and long-term growth by designing for the horizon and building for today
partner with Product to define appropriately sized initiatives to construct a roadmap that meets business needs quarter over quarter
preserve customer goodwill by ensuring system availability by participating in on-call rotation, addressing support tickets, and taking action on preventative measures to improve reliability
provide mentorship to engineers on the team and across the organization
play an active role in the continuous improvement of the engineering organization through lunch table discussions, team showcases, and reviews with senior leadership

What we offer

A fast-paced and collaborative environment
learning and development allowance
competitive compensation and opportunity for advancement
100% medical, dental, and vision coverage
up to $25K reimbursement for fertility, adoption, and parental planning services
flexible PTO policy
monthly wellness stipend, home office stipend
in-office perks such as lunch four times a week, a commuter stipend, and an abundance of snacks and beverages

Fulltime

Senior Software Engineer - Backend Cloud Software Developer

Senior backend cloud software developer role working on industry's leading AI/ML...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Strong background in developing production software in a cloud environment
Development of multitenant cloud SaaS solution
12+ years overall experience with 4-5 years hands-on experience in above areas
B.Tech/B.E in computer science or related discipline
Golang programming language (must)
Python programming language
RESTful API design and development
Data structures and algorithms
Cloud software technologies (SaaS)

Job Responsibility

Working with various providers of data sources sending telemetry to Mist's Marvis AIOps solution
Developing customer facing APIs used by HPE-Juniper's application developers and customers

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Unconditional Inclusion environment

Fulltime

Senior Software Engineer

Mastercard

Location:
Denmark , Ballerup

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 20, 2026

Expiration:
April 30, 2026

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Senior Software Engineer

Mastercard

Location:Denmark , Ballerup

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:February 20, 2026

Expiration:April 30, 2026

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Senior Software Engineer - Backend Cloud Software Developer

Location:
Denmark , Ballerup

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
February 20, 2026

Expiration:
April 30, 2026