Principal Software Engineer

Senior Principal Software Engineer

To become a 100 year company, we need a world-class engineering organisation mad...

Location

India , Bengaluru

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

Requirements

15+ years of experience building and developing backend applications - Bachelor's or Master's degree with a preference for Computer Science degree
Experience crafting and implementing highly scalable and performant micro-services
Proficiency in any modern object-oriented programming language (e.g., Java, Kotlin, etc.)
Real passion for collaboration and strong interpersonal and communication skills
Familiarity with cloud architecture patterns and an engineering discipline to produce software with quality
Experience in Elasticsearch, being able to deep dive into performance at scale problems, is a bonus

Job Responsibility

Build and ship JQL Search features and capabilities daily in highly scalable, cross-geo distributed environment
Be responsible technical evolution for products and platforms in JQL Search and partially in Jira Platform
Be part of an amazing open and collaborative work environment with other experienced engineers, architects, product managers, and designers, working closely with JQL Search and collaborating with other Jira Platform or Jira product teams
Mentor and level up the skills of your teammates by sharing your expertise in formal and informal knowledge sharing sessions
Ensure full visibility, error reporting, and monitoring of high performing backend services
Foster a culture of efficient delivery

What we offer

Health coverage
Paid volunteer days
Wellness resources
Visit go.atlassian.com/perksandbenefits to learn more

Fulltime

Senior Principal Data Platform Software Engineer

We’re looking for a Sr Principal Data Platform Software Engineer (P70) to be a k...

Location

Salary:

239400.00 - 312550.00 USD / Year

Atlassian

Expiration Date

Until further notice

Requirements

15+ years in Data Engineering, Software Engineering, or related roles, with substantial exposure to big data ecosystems
Demonstrated experience building and operating data platforms or large‑scale data services in production
Proven track record of building services from the ground up (requirements → design → implementation → deployment → ongoing ownership)
Hands‑on experience with AWS, GCP (e.g., compute, storage, data, and streaming services) and cloud‑native architectures
Practical experience with big data technologies, such as Databricks, Apache Spark, AWS EMR, Apache Flink, or StarRocks
Strong programming skills in one or more of: Kotlin, Scala, Java, Python
Experience leading cross‑team technical initiatives and influencing senior stakeholders
Experience mentoring Staff/Principal engineers and lifting the technical bar for a team or org
Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience

Job Responsibility

Design, develop and own delivery of high quality big data and analytical platform solutions aiming to solve Atlassian’s needs to support millions of users with optimal cost, minimal latency and maximum reliability
Improve and operate large‑scale distributed data systems in the cloud (primarily AWS, with increasing integration with GCP and Kubernetes‑based microservices)
Drive the evolution of our high-performance analytical databases and its integrations with products, cloud infrastructures (AWS and GCP) and isolated cloud environments
Help define and uplift engineering and operational standards for petabyte scale data platforms, with sub‑second analytic queries and multi‑region availability (coding guidelines, code review practices, observability, incident response, SLIs/SLOs)
Partner across multiple product and platform teams (including Analytics, Marketplace/Ecosystem, Core Data Platform, ML Platform, Search, and Oasis/FedRAMP) to deliver company‑wide initiatives that depend on reliable, high‑quality data
Act as a technical mentor and multiplier, raising the bar on design quality, code quality, and operational excellence across the broader team
Design and implement self‑healing, resilient data platforms with strong observability, fault tolerance, and recovery characteristics
Own the long‑term architecture and technical direction of Atlassian’s product data platform with projects that are directly tied to Atlassian’s company-level OKRs
Be accountable for the reliability, cost efficiency, and strategic direction of Atlassian’s product analytical data platform
Partner with executives and influence senior leaders to align engineering efforts with Atlassian’s long-term business objectives

What we offer

health and wellbeing resources
paid volunteer days

Fulltime

Principal Software Engineer, Trusted Data Platform

As a Principal Software Engineer, you will be a technical leader and hands-on co...

Location

India , Bangalore

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

Requirements

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related technical field
10+ years of experience in backend software development, focusing on distributed systems and storage solutions
5+ years of experience working with AWS storage services (S3, DynamoDB, EBS, EFS, FSx, Glacier)
Strong expertise in system design, architecture, and scalability for large-scale storage solutions
Proficiency in at least one major backend programming language (Kotlin, Java, Go, Rust, or Python)
Experience designing and implementing highly available, fault-tolerant, and cost-efficient storage architectures
Deep understanding of distributed systems, replication strategies, sharding, and caching
Knowledge of data security, encryption best practices, and compliance requirements (SOC2, GDPR, HIPAA)
Experience leading engineering teams, mentoring senior engineers, and driving technical roadmaps
Proficiency with observability tools, performance monitoring, and troubleshooting at scale

Job Responsibility

Designing and optimizing high-scale, distributed storage systems built on AWS storage technologies
Shaping the architecture, performance, and reliability of backend storage solutions that power critical applications at scale
Designing, implementing, and optimizing backend storage services that support high throughput, low latency, and fault tolerance
Working closely with senior engineers, architects, and cross-functional teams to drive scalability, availability, and efficiency improvements in large-scale storage solutions
Leading technical deep dives, architecture reviews, and root cause analyses to resolve complex production issues related to storage performance, consistency, and durability
Driving best practices in distributed system design, security, and cloud cost optimization
Mentoring senior engineers, contributing to technical roadmaps, and helping shape the long-term storage strategy
Collaborating with Site Reliability Engineers (SREs) to implement observability, monitoring, and disaster recovery strategies, ensuring high availability and compliance with industry standards
Advocating for automation, Infrastructure-as-Code (IaC), and DevOps best practices, leveraging tools like Terraform, AWS CloudFormation, Kubernetes (EKS), and CI/CD pipelines to enable scalable deployments and operational excellence

What we offer

Atlassians can choose where they work – whether in an office, from home, or a combination of the two
Atlassians have more control over supporting their family, personal goals, and other priorities
We can hire people in any country where we have a legal entity
Interviews and onboarding are conducted virtually
Whatever your preference - working from home, an office, or in between - you can choose the place that's best for your work and your lifestyle

Principal Engineer, Software - Android

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees ...

Location

United States , Bellevue; Denver; Overland Park; Frisco

Salary:

133500.00 - 240700.00 USD / Year

T-Mobile

Expiration Date

Until further notice

Requirements

7+ years technical engineering experience
Experience in mobile software development using Kotlin, Jetpack Compose or Android SDK
Developing sophisticated Android mobile applications
Experience building a scalable customer facing application used by millions of customers
Provide on-call and in-person support for troubleshooting, isolation, maintenance, operations, patching, incident management, problem management, build and deployments for owned software and systems
Hands on experience in developing mobile networking, REST web-services, understanding large and complex code bases that involves mobile, backend and external SDK integration
Designing mobile application using VIPER, Factory, DAO, MVVM, MVC, Delegate, Builder, Adapter, Singleton and Facade design patterns and architecture
Experience in API design, SDK architecture, and mobile software lifecycle development practices
BS degree in Computer Science, Information Technology, or equivalent experience
Communication

Job Responsibility

Drives projects with the Product, UX/UI and Backend teams to design, build and extend consumer facing new products, platforms, and features
Improve product quality through code reviews, writing effective unit tests
Ability to digest feature requirements and high-level end to end design to guide in coding approach and work breakdown
Ability to produce a low-level design document to detail feature implementation
Presents project improvement scenarios to management for consideration
Lead development team in building native functionality with optimization and expansion to support T-Mobile’s Digital First mission
Present highly technical concepts to both technical and non-technical decision-makers
Continuously learns, builds content, and guides others specific subject areas
Informally coaches and gives to the development of others through mentoring or in house workshops and learning sessions
Develops engineers across functional teams on technology decisions

What we offer

Competitive base salary and compensation package
Annual stock grant
Employee stock purchase plan
401(k)
Access to free, year-round money coaches
Medical, dental and vision insurance
Flexible spending account
Paid time off
Up to 12 paid holidays
Paid parental and family leave

Fulltime

We’re looking for a Principal Software Engineer with deep experience in cloud se...

Location

Israel , Tel Aviv

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

5+ years of software development experience
proficiency in Go, C#, or Java
strong background in security domains like DLP (Data Loss Prevention), Threat Intelligence, CASB (Cloud Access Security Broker), SWG (Secure Web Gateway)
understanding of secure protocols and remote access flows (TLS, HTTPS, RDP, SSH)
strong knowledge of microservices, Docker, and Kubernetes

Job Responsibility

build cloud-native services for real-time security enforcement
develop capabilities for DLP, threat detection, and policy enforcement
contribute to CASB and SWG features for securing SaaS and internet access
integrate threat intelligence mechanisms into platform services

What we offer

health and wellbeing benefits
programs for personal and professional development
inclusion in a diverse workplace
flexibility to manage personal and work needs

Fulltime

Principal Software Engineer

Principal Software Engineer (Golang | Distributed Systems) to join a high-growth...

Location

United Kingdom , London

Salary:

170000.00 GBP / Year

Orbis Consultants

Expiration Date

Until further notice

Requirements

8+ years’ backend engineering experience, ideally at Staff / Principal / Tech Lead level
Expert-level proficiency with Golang in production
Proven track record designing distributed systems and event-driven architectures (Kafka, RabbitMQ, WebSockets)
Deep understanding of PostgreSQL, Redis, and high-performance data systems
Strong DevOps mindset – CI/CD, infrastructure as code, observability (Grafana, Prometheus, OpenTelemetry)
Exceptional communicator, able to influence architecture and direction across teams

Job Responsibility

Architect and scale high-throughput, event-driven systems built in Go
Lead the evolution of real-time APIs and data platforms handling billions of requests
Stay deeply hands-on with Golang while influencing design and long-term technical strategy
Drive improvements in observability, testing, and performance across all services
Mentor senior engineers and play a key role in shaping engineering culture

What we offer

25% bonus
excellent benefits

Fulltime

Principal Software Engineer – Security

We’re looking for a Principal Software Engineer with deep experience in cloud se...

Location

Israel , Tel Aviv

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

5+ years of software development experience
Proficiency in Go, C#, or Java
Strong background in security domains: DLP (Data Loss Prevention), Threat Intelligence, CASB (Cloud Access Security Broker), SWG (Secure Web Gateway)
Understanding of secure protocols and remote access flows (TLS, HTTPS, RDP, SSH)
Strong knowledge of microservices, Docker, and Kubernetes

Job Responsibility

Build cloud-native services for real-time security enforcement
Develop capabilities for DLP, threat detection, and policy enforcement
Contribute to CASB and SWG features for securing SaaS and internet access
Integrate threat intelligence mechanisms into platform services

What we offer

Health & Wellbeing
Personal & Professional Development
Unconditional Inclusion

Fulltime

Principal Software Engineer

Designs, develops, troubleshoots and debugs software for new products; Leads inn...

Location

India , Bangalore

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Computer Science, Information Systems, or equivalent
Typically 10+ years experience
Extensive experience in storage stack development
Must be proficient in C++
Good understanding on operating systems
Experience with developing software for scale, load, and performance engineering
S3 protocol is plus
Go & Python is added advantage
Must have experience in Kubernetes

Job Responsibility

Leads core modules and responsible for all stages of design and development for complex products and platforms, including solution design, analysis, coding, testing, and integration
Design and develop data path & control path services for storage product
Work on functional design, process design (including scenario design, flow mapping), prototyping, testing, training, and defining support procedures, in collaboration with an advanced engineering team and executive leadership
Reviews and evaluates designs and project activities for compliance with systems design and development guidelines and standards
provides tangible feedback to improve product quality and mitigate failure risk
Provides domain-specific expertise and overall software systems leadership and perspective to cross-organization projects, programs, and activities
Drives innovation and integration of new technologies into projects and activities in the software systems design organization

What we offer

Health & Wellbeing
Personal & Professional Development
Unconditional Inclusion

Fulltime

Principal Software Engineer - Platform Services

Truveta

Location:
United States , Seattle

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
January 22, 2026

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