Kotlin Full Stack Engineer Job at Salt (London)

Full Stack Software Engineer

At Atlassian, we're motivated by a common goal: to unleash the potential of ever...

Location

United States

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

Requirements

1-3+ years 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 RESTful micro-services
Proficiency in any modern object-oriented programming language (e.g., Java, Kotlin, Go, Scala, Python, etc.)
Fluency in any one database technology (e.g. RDBMS like Oracle or Postgres and/or NoSQL like DynamoDB or Cassandra)
Real passion for collaboration and strong interpersonal and communication skills
Broad knowledge and understanding of SaaS, PaaS, IaaS industry with hands-on experience of public cloud offerings (AWS, GAE, Azure)
Familiarity with cloud architecture patterns and an engineering discipline to produce software with quality

Job Responsibility

Build and ship features and capabilities daily in highly scalable, cross-geo distributed environment
Be part of an amazing open and collaborative work environment with other experienced engineers, architects, product managers, and designers
Review code with best practices of readability, testing patterns, documentation, reliability, security, and performance considerations in mind
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
Participate in Agile software development including daily stand-ups, sprint planning, team retrospectives, show and tell demo sessions

What we offer

Health coverage
Paid volunteer days
Wellness resources
Bonuses
Commissions
Equity

Fulltime

Senior Full Stack Software Engineer

We're seeking a Senior Full Stack Engineer to join our App Experience team, wher...

Location

United States , El Segundo

Salary:

145000.00 - 173000.00 USD / Year

HiveWatch

Expiration Date

Until further notice

Requirements

7+ years of software engineering experience with at least 3 years in senior roles
Strong experience with TypeScript and modern JavaScript frameworks
Proficiency with React, React Native, and Next.js
Experience with GraphQL clients and API integration
Strong experience with Java or Kotlin and Spring Boot
Experience designing and implementing GraphQL APIs
Proficiency with relational databases, SQL, and data modeling
Experience building full-stack applications in microservice architectures
Experience with modern cloud services and cloud-native development
Experience with containerization and deploying applications to Kubernetes

Job Responsibility

Architect and develop new and existing user-facing products, features, and infrastructure in collaboration with the Product team to drive customer adoption and retention
Support production systems through incident response, troubleshooting, and break-fix activities to maintain service reliability and customer trust
Build and extend solutions with observability in mind to ensure service level agreements with our customers are met
Reliably deliver features to our customers on AWS using Infrastructure as Code, CI/CD pipelines, and modern service delivery practices
Mentor junior engineers and drive technical decisions that influence the App Experience team’s architecture and development practices
Participate in a 24/7 on call rotation approximately 1 week per month as needed

What we offer

Comprehensive health coverage: medical, dental, vision, and life insurance
Cutting-edge work in an emerging field with huge growth potential
Competitive compensation packages designed to reward top talent
A modern, newly renovated HQ right on Main Street in El Segundo, CA
401(k) with a 4% company match to help you invest in your future (match launches in 2026)
Flexible paid time off so you can recharge when you need it
Additional benefits include ClassPass credits and a discount on pet insurance
A family-friendly, compassionate culture that values balance and belonging
Eligible to participate in HiveWatch Equity Incentive Plan

Fulltime

Java/Kotlin Full Stack Software Engineer

We are seeking a highly skilled Full-Stack Software Engineer with expertise in J...

Location

United States , Salt Lake City

Salary:

Not provided

Software Technology Group

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Software Engineering, or related field
Proven experience as a Java/Kotlin Software Engineer, with a strong portfolio of successful projects using Spring and Spring Boot
Experience using modern JavaScript frameworks such as React, Angular, or Vue
In-depth knowledge of designing and developing RESTful APIs and web services
Hands-on experience with AWS services such as EC2, S3, Lambda, DynamoDB, RDS, and monitoring tools like CloudWatch
Solid understanding of relational databases SQL and NoSQL databases
Strong problem-solving skills and experience in a fast-paced, collaborative environment
Excellent communication and teamwork skills with the ability to convey technical concepts to non-technical stakeholders
Familiarity with Git Version Control and Platforms like Github, Gitlab and Bitbucket
Experience with Agile methodologies Scrum or Kanban and task management tools such as Jira or similar for issue tracking and backlog management

Job Responsibility

Design and develop high-quality, scalable, and efficient Java applications and services using Spring and Spring Boot that meet business requirements and industry standards
Leverage AWS cloud services such as EC2, S3, Lambda, DynamoDB, RDS, and CloudFormation to optimize application performance, scalability, and fault tolerance
Develop and maintain RESTful APIs, ensuring seamless integration between frontend and backend services
Build front-end applications using modern JavaScript frameworks such as React, Angular, or Vue
Collaborate with cross-functional teams, including product managers, architects, and other developers, to understand project requirements and contribute to the overall system architecture
Implement security best practices to safeguard sensitive data and ensure compliance with industry standards and regulations
Implement best practices in software development, including Test-Driven Development (TDD), Continuous Integration (CI), and Continuous Deployment (CD) to ensure robust application delivery
Troubleshoot and debug complex issues in both development and production environments, identifying root causes and implementing effective solutions
Participate in code reviews to ensure adherence to coding standards and maintain high-quality codebases
Collaborate with DevOps and Infrastructure teams to streamline deployment processes using containerization tools like Docker and/or Kubernetes

What we offer

Career Development Plans
Certifications
Mentorship Programs
Ongoing training
Focus on work-life balance
Continuous learning
Rewarding excellence

Fulltime

Senior Software Engineer

EnergyHub empowers utilities and their customers to create a clean, distributed ...

Location

United States

Salary:

130000.00 - 170000.00 USD / Year

EnergyHub

Expiration Date

Until further notice

Requirements

5+ years professional software engineering experience, preferably in a small to medium-sized team, with a proven exceptional ability as a FullStack engineer or similar role
Strong comfortability with Kotlin/Java and familiarity with web services and RESTful APIs using Spring
Expertise in API ingestion and data normalization processes
Experience with front end languages, such as React/Typescript
Experience with containerized systems
Knowledge of modern security best practices, authentication/authorization frameworks, and system/API hardening.

Job Responsibility

Develop and maintain the backend services of our EV platform, ensuring that all components work together seamlessly
Integrate with third-party APIs to implement external services into our platform, enhancing OEM partners and other external solutions
Manage ingestion and storage of multivariate data sets that can scale to millions of users/connected vehicles
Build and enhance data lakes to provide additional data analysis for different services and consumers
Develop services to interact with connected vehicles at scale
Develop and maintain front end “web apps” to provide UIs for our various different products and services
Ensure proper security and data protection policies, procedures, and monitoring are in place
Design, develop, and maintain third-party accessible APIs for data ingest/egress within the platform
Write and maintain technical documentation
Drive and embody the “Dev Owns Quality” culture

What we offer

100% paid medical for employees
401(k) with employer match
Casual environment
Flexibility to set your own schedule
Fully stocked fridge and pantry
Free Citi Bike membership
Secure bike rack
Gym subsidy
Paid parental leave
Education assistance program

Fulltime

Staff Software Engineer

As a developer, you will collaborate cross-functionally with various teams, cont...

Location

Thailand , Bangkok

Salary:

Not provided

EarnIn

Expiration Date

Until further notice

Requirements

Bachelor’s (or higher, e.g., MS, or PhD) in Computer Science or a related technical field involving coding or equivalent technical experience
Knowledge of professional software engineering practices and best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
7+ years of relevant industry experience, particularly in mobile development
Proficient in C# .NET or Kotlin or other popular back-end programming language with a minimum of 2 years of hands-on experience
Hands-on experience working in cloud environments: AWS, GCP, or Azure
Strong skills in React / C# / Kotlin
Experience with event-driven architecture on AWS

Job Responsibility

Collaborate with the product and design team to create new user experiences and features
Create a scalable web architecture that ensures the organization remains nimble as it grows
Create Unit and Automation (User Interface) Tests to ensure the new code does not break existing features and meets the product's specified requirements
Create and monitor analytics to prove how effective new and existing features are to helping customers
Lead the establishment and governance of engineering best practices, ensuring high standards for code quality and system reliability
Lead, design, develop, and deliver large-scale systems
Proactively drive projects, providing clear direction and detailed problem-solving strategies
Mentor the engineering team, elevating skills and optimizing processes
Design and execute comprehensive unit and UI automation tests to ensure new features perform as required without disrupting existing functionalities
Analyze feature effectiveness using advanced analytics to demonstrate impact and inform future enhancements

What we offer

Hybrid setup with flexibility
80m THB/year Platinum international health insurance (IPD/OPD/Optical/Dental)
Working with international teams and a potential opportunity for travel to our Mountain View HQ
Flexible annual learning budget
Home office setup allowance
Phone, internet, and transportation allowance
Healthcare
Internet/cell phone reimbursement
A learning and development stipend
Opportunities to travel to our Mountain View HQ

Fulltime

Senior Software Engineer (Web)

We are looking for experienced, passionate, and resourceful senior full-stack en...

Location

Thailand , Bangkok

Salary:

Not provided

EarnIn

Expiration Date

Until further notice

Requirements

4+ years of development experience in a fast-paced environment
Excellent knowledge of front-end web programming languages, such as HTML, CSS, JavaScript, Typescript, and ReactJS, with the ability to render server-side and client-side content
Excellent knowledge of one or more back-end programming languages (C#, Python, Kotlin, Go)
Bachelor's, Master’s, or PhD degree in computer science, computer engineering, or a related technical discipline, or equivalent industry experience
Excellent analytical thinking and problem-solving skills
Excellent written and verbal communication skills
Experience with continuous integration and delivery tools

Job Responsibility

Drive the implementation of new features - break down complex problems into their bare essentials, translate this complexity into elegant design, and create high-quality, maintainable code
Collaborate and mentor other engineers while providing thoughtful guidance using code, design, and architecture reviews
Work cross-functionally with other teams (data science, design, product, marketing, analytics)
Leverage a broad skill set and help us implement and learn new technologies quickly
Create and maintain test automation to enable continuous integration and development velocity

What we offer

Healthcare
Internet/cell phone reimbursement
A learning and development stipend
Opportunities to travel to our Mountain View HQ

Fulltime

Senior Staff Software Engineer

We're on a mission to reinvent the financial system and make it work for people....

Location

United States

Salary:

251000.00 - 306000.00 USD / Year

EarnIn

Expiration Date

Until further notice

Requirements

8+ years of development experience in backend or full-stack software development, including IC Leadership experience
Bachelor's, Master’s, or PhD degree in computer science, computer engineering, or a related technical discipline, or equivalent industry experience
Expertise in trade-off analysis for distributed architectures
Proficient in at least one modern programming language, and the ability to understand more than one - we currently work in Kotlin and C#
Proficient in running multiple critical tech initiatives in parallel
Familiarity with the clean architecture approach
Experience with various data storage, including relational and document databases
Excellent written and verbal communication skills
Being self-motivated and able to work independently with minimal supervision

Job Responsibility

Drive the design & implementation of new features and/or re-architect existing systems - break down complex problems into their bare essentials, translate this complexity into elegant design, and create high-quality, maintainable code
Make a meaningful impact on the lives of our community members
Design & deliver robust microservice integrations via REST/gRPC APIs using various communication, consistency, and coordination strategies
Collaborate and mentor other senior engineers while providing thoughtful guidance using code, design, and architecture reviews
Contribute to defining technical direction, planning the roadmap, escalating issues, and synthesizing feedback to ensure team success
Estimate and manage team project timelines and risks
Care passionately about producing high-quality designs and code
Participate in hiring and onboarding for new team members
Lead cross-team engineering initiatives

What we offer

equity and benefits

Fulltime

Application Software Engineer

Application Software Engineer Job Description

Location

Salary:

Not provided

Ryz Labs

Expiration Date

Until further notice

Requirements

3+ years of experience designing, implementing and building high-quality mobile applications
3+ years of experience designing, implementing and building high-quality Web Applications
Javascript, Typescript, React, React Native, Kotlin, Java, Swift, Objective-C
Full-Stack Client Engineer (iOS, Android, Web)
CI/CD pipelines and TDD
OWASP best practices

Job Responsibility

In charge of building high-quality mobile and web applications
Build delightful mobile/web experiences and take responsibility for technical problem solving, creatively meeting product objectives, and developing best practices
Demonstrate cross-functional resource interaction to accomplish your goals

Kotlin Full Stack Engineer

Salt

Location:
United Kingdom , London

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
March 25, 2026

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Kotlin Full Stack Engineer

Salt

Location:United Kingdom , London

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:March 25, 2026

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