Senior Full Stack Software Engineer Jobs

New

Senior Principal Software Engineer

Atlassian’s Global Experiences organization is dedicated to creating unified, se...

Location

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

Requirements

15+ years of experience in software engineering, with deep expertise in platform and product engineering at scale
Exceptional communication and collaboration skills
able to influence and partner across teams
Deep product engineering background, ideally with experience in platform environments at scale
Full stack experience preferred, or strong back-end skills with front-end capability
Proven ability to architect, build, and operate large-scale, distributed systems and user-facing applications
Strong product mindset and UX sensibility
Experience leading multi-year, cross-org technical initiatives that drive business outcomes
Passion for innovation, continuous improvement, and fostering an inclusive, high-performing engineering environment

Job Responsibility

Leading technical strategy and architecture for Platform Apps, ensuring solutions are robust, secure, and consistent
Driving innovation in user and admin experiences, including integrating AI-powered insights and advancing Atlassian’s System of Work
Collaborating with product, UX, and engineering leaders to define and deliver a roadmap of high-impact, standalone apps
Managing negotiations and dependencies across multiple teams and departments, balancing deep project involvement with platform-wide strategic thinking
Standardising and mechanising app development processes , transitioning from ad hoc to scalable, repeatable approaches
Mentoring engineers and championing engineering excellence, continuous improvement, and an inclusive culture

What we offer

Flexibility: Work from anywhere Atlassian has a legal entity, with support for remote, hybrid, or in-office work
Health and wellbeing resources
Paid volunteer days

New

Founding Full-Stack Software Engineer – AI for Biopharma

Founding Full-Stack Engineer role at Equator, an AI-native startup building next...

Location

Spain , Barcelona

Salary:

70000.00 EUR / Year

Blu Selection

Expiration Date

Until further notice

Requirements

4–6 years of software engineering experience (mid to senior level)
Strong backend engineering skills with Python
Proficiency in React, Next.js, TypeScript, Node.js
Experience building data-heavy or versioned backend systems
Strong clean-code discipline and architectural thinking
English (Advanced/C1+)
Valid Spain work permit (no sponsorship available)

Job Responsibility

Architect scalable, auditable backend systems (Python, PostgreSQL, modern frameworks)
Build APIs enabling seamless collaboration between humans and AI agents
Develop clean, modular frontend interfaces using React, Next.js, and TypeScript
Implement and maintain data-heavy systems and structured knowledge frameworks
Write clean, precise code and contribute to strong engineering standards
Collaborate closely with founders, designers, and early users to deliver impactful features
Influence product, technical direction, and architectural decisions as a founding engineer

What we offer

Gym membership

Fulltime

New

Senior Engineer, Software

Our team is searching for a Sr Software Engineer to work of other software engin...

Location

United States , Bellevue; Overland Park

Salary:

113600.00 - 205000.00 USD / Year

T-Mobile

Expiration Date

Until further notice

Requirements

Master’s degree in information systems and management, Electronic Engineering, Information Technology and Communications Engineering, Management Information Systems, Computer Science or related, and 3 years of relevant work experience
Bachelor’s degree in information systems and management, Electronic Engineering, Information Technology and Communications Engineering, Management Information Systems, Computer Science or related, and 5 years of relevant work experience
4-7 years Technical engineering experience
Compensation domain experience required (4-6 years preferred)
Proven experience in programming languages: Shell Scripting, and SQL (T-SQL, PLSQL) in building database applications that operate at scale
Experience in testing, quality and change management methodologies
Expert knowledge of relational database design and support for on-prem and on cloud services (Oracle, MS SQL, RDS)
Experience with ETL methodologies and tools (PowerCenter)
Coding in a DevOps environment within a SCRUM framework to deliver Continuous Integration Continuous Delivery automations for market growth
At least 18 years of age

Job Responsibility

Drives engineering projects by developing software solutions
conducting tests and inspections
preparing reports and calculations
Expected to supervise base and associate level engineers as needed
Understands system protocols, how systems operate and data flows
Expected to independently develop a full software stack
Interact with system engineers to define system requirement and/or necessary requirements for automation
Contributes to designs to implement new ideas which utilize new frameworks to improve an existing or new system/process/service
Review existing designs and processes to highlight more efficient ways to complete existing workload more optimally through industry perspectives
Understands the creation of company IPR

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
Employee stock grants
Employee stock purchase plan
Paid time off

Fulltime

New

Senior Software Engineer

Our team is looking for a full stack Senior Software Engineer to collaborate in ...

Location

United States , Overland Park; Frisco; Bellevue

Salary:

113600.00 - 205000.00 USD / Year

T-Mobile

Expiration Date

Until further notice

Requirements

Bachelor's Degree Computer Science or Engineering
4-7+ years Technical engineering experience
Experience with API development and database management
Experience with Quarkus, Spring boot, Kubernetes, and Docker containers
Proficient with Git, DevOps practices, and Helm charts
Experience in Infrastructure as code with Helm charts, Ansible or Terraform
Experience with React, Next.JS, JavaScript, Java, and at least one backend end framework
Familiarity with SQL, NoSQL, Postgres databases
Communication
Customer Service

Job Responsibility

Drives engineering projects by developing software solutions
Reviews code and mentors base and associate level engineers as needed
Understands system protocols, system operations, and data flows
Contributes to designs to implement new ideas which utilize new frameworks to improve an existing or new system/process/service
Review existing designs and processes to highlight more efficient ways to complete existing workload more effectively through industry perspectives
Collaborate with team to break down features into user stories and estimate them
Collaborates with technical teams and utilizes system expertise to deliver technical solutions
Continuously learns and teaches others existing and new technologies
Contributes to the development of others through mentoring or in house workshops and learning sessions
Contributes to new and existing technology options that support business goals

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
Employee stock grants
Employee stock purchase plan
Paid time off

Fulltime

New

Senior Software Engineer, Checkr Trust

Checkr Trust is building safer communities by providing our customers with risk ...

Location

United States , San Francisco

Salary:

173000.00 - 215000.00 USD / Year

Checkr

Expiration Date

Until further notice

Requirements

BS/MS degree in either computer science or electrical engineering
Have founded or held early roles at successful fast-paced startups
6+ years of full stack software development experience
Advanced knowledge in Ruby (Ruby on Rails)/ Javascript (React), or similar languages/frameworks
Amazing product sense
Experimentation mindset
Experience building scalable technical architecture that can scale to 10mm+ users (including observability tooling, container orchestration, etc)

Job Responsibility

Work closely with customers, engineers, and leaders to design, build, and launch new products
Take full ownership of the entire process of developing end-to-end applications – from shaping the idea to delivering the finished application
Build and improve APIs, including integrating with third-party services to expand what our products can do
Embrace a customer-centric, product-first approach – partner directly with customer success, customers and stakeholders to better understand their needs and turn those into useful features
Keep code reliable and easy to maintain with solid testing, thoughtful reviews, and good practices
Run and measure product experiments, using what you learn to guide future development
Building scalable APIs and asynchronous event-based architecture that can reliably handle very high traffic

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
Working at a startup within a startup
In-office perks (lunch four times a week, a commuter stipend, snacks and beverages)
A relocation stipend may be available

Fulltime

New

Senior Full Stack Engineer

Our company website is the centerpiece of our brand — the public source of truth...

Location

Ireland , Dublin

Salary:

Not provided

Intercom

Expiration Date

Until further notice

Requirements

8+ years of experience in full stack development, with expertise in JavaScript, HTML, and CSS
Expert in front-end frameworks such as React, Next.js, Tailwind
Experience in CMS platforms (such as Contentful and Sanity) and marketing tools (e.g. Google Tag Manager, Marketo)
Experience in CI/CD tools (such as CircleCI) to streamline and automate development workflows
Familiarity with infrastructure as code tools such as Terraform, and cloud platforms like AWS (Vercel, CloudFront, S3, etc.)
Experience with A/B testing and familiarity with analytics tools to drive data-informed design and development decisions
Knowledge of performance optimization techniques and best practices for fast-loading, responsive websites
Experience in writing tests for front-end components, with familiarity in testing frameworks (e.g., Jest, Mocha, Cypress)
Strong problem-solving skills and the ability to work independently and as part of a team
Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience)

Job Responsibility

Design, build, and maintain end-to-end web solutions — from modern UIs to backend services, APIs, and infrastructure
Collaborate with design, brand, marketing, and content teams to deliver seamless, performant experiences across web and mobile
Develop backend logic and APIs, manage data flows, and implement systems that integrate with third-party platforms
Optimize website performance by applying best practices in front-end development, including lazy loading, and efficient asset management
Set up and manage infrastructure using tools like Vercel, AWS, Cloudfront, Terraform, and CI/CD pipelines (e.g., CircleCI)
Implement and maintain web analytics, and support A/B testing for data-driven decisions
Stay current with emerging technologies and trends to continually improve our development processes and user experience
Be comfortable writing backend software. We look for engineers to be able to unblock themselves end to end
Build using the best tools in the industry. We invest heavily in AI-powered developer tools that remove friction and help you focus on solving meaningful problems

What we offer

Competitive salary and equity in a fast-growing start-up
We serve lunch every weekday, plus a variety of snack foods and a fully stocked kitchen
Regular compensation reviews - we reward great work!
Pension scheme & match up to 4%
Peace of mind with life assurance, as well as comprehensive health and dental insurance for you and your dependents
Flexible paid time off policy
Paid maternity leave, as well as 6 weeks paternity leave for fathers, to let you spend valuable time with your loved ones
If you’re cycling, we’ve got you covered on the Cycle-to-Work Scheme. With secure bike storage too
MacBooks are our standard, but we also offer Windows for certain roles when needed

Fulltime

New

Senior Full Stack Engineer

Our company website is the centerpiece of our brand — the public source of truth...

Location

United Kingdom , London

Salary:

Not provided

Intercom

Expiration Date

Until further notice

Requirements

8+ years of experience in full stack development, with expertise in JavaScript, HTML, and CSS
Expert in front-end frameworks such as React, Next.js, Tailwind
Experience in CMS platforms (such as Contentful and Sanity) and marketing tools (e.g. Google Tag Manager, Marketo)
Experience in CI/CD tools (such as CircleCI) to streamline and automate development workflows
Familiarity with infrastructure as code tools such as Terraform, and cloud platforms like AWS (Vercel, CloudFront, S3, etc.)
Experience with A/B testing and familiarity with analytics tools to drive data-informed design and development decisions
Knowledge of performance optimization techniques and best practices for fast-loading, responsive websites
Experience in writing tests for front-end components, with familiarity in testing frameworks (e.g., Jest, Mocha, Cypress)
Strong problem-solving skills and the ability to work independently and as part of a team
Bachelor’s degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience)

Job Responsibility

Design, build, and maintain end-to-end web solutions — from modern UIs to backend services, APIs, and infrastructure
Collaborate with design, brand, marketing, and content teams to deliver seamless, performant experiences across web and mobile
Develop backend logic and APIs, manage data flows, and implement systems that integrate with third-party platforms
Optimize website performance by applying best practices in front-end development, including lazy loading, and efficient asset management
Set up and manage infrastructure using tools like Vercel, AWS, Cloudfront, Terraform, and CI/CD pipelines (e.g., CircleCI)
Implement and maintain web analytics, and support A/B testing for data-driven decisions
Stay current with emerging technologies and trends to continually improve our development processes and user experience
Be comfortable writing backend software. We look for engineers to be able to unblock themselves end to end
Build using the best tools in the industry. We invest heavily in AI-powered developer tools that remove friction and help you focus on solving meaningful problems

What we offer

Competitive salary and equity in a fast-growing start-up
We serve lunch every weekday, plus a variety of snack foods and a fully stocked kitchen
Regular compensation reviews - we reward great work!
Pension scheme & match up to 4%
Peace of mind with life assurance, as well as comprehensive health and dental insurance for you and your dependents
Flexible paid time off policy
Paid maternity leave, as well as 6 weeks paternity leave for fathers, to let you spend valuable time with your loved ones
If you’re cycling, we’ve got you covered on the Cycle-to-Work Scheme. With secure bike storage too
MacBooks are our standard, but we also offer Windows for certain roles when needed

Fulltime

New