Backend Software Engineer - Mobile Job at Perplexity (San Francisco)

Software Engineer (Backend)

We’re looking for a Backend Engineer to join our Growth Engineering team, which ...

Location

Mexico , Mexico City

Salary:

Not provided

EarnIn

Expiration Date

Until further notice

Requirements

3+ years of backend software engineering experience, ideally in distributed or microservice-based systems
Strong fundamentals in service architecture and API design, with experience building reliable, performant systems at scale
Proficiency in at least one modern backend language, such as Kotlin, Java, C#, or Python, and openness to learning new technologies as needed
Experience with SQL databases (e.g., PostgreSQL, MySQL) and familiarity with NoSQL systems is a plus
Familiarity with event-driven patterns (queues, messaging, background jobs) and REST/gRPC services
Collaborative mindset, with experience working alongside product, data, and design teams to deliver user-facing impact
Strong testing and debugging skills, with experience maintaining high-quality services in production
Excellent communication and problem-solving abilities, with a proactive approach to learning and iteration

Job Responsibility

Design and implement backend features that drive EarnIn’s Growth funnel — from onboarding and cross-sell to retention and engagement
Build and maintain scalable, event-driven microservices that enable experimentation, real-time personalization, and data-driven decision-making
Collaborate with Product, Data, and Marketing teams to translate growth hypotheses into technical solutions and run experiments that move key metrics
Ensure system performance, scalability, and reliability, especially under high throughput and real-time conditions
Develop automation and testing frameworks to maintain velocity and confidence in continuous integration and deployment pipelines
Debug and resolve production issues, working across multiple service layers to maintain system stability and uptime
Proactively identify opportunities to generalize solutions, building reusable infrastructure and APIs that accelerate team development
Partner with mobile, web, and analytics teams to ensure cohesive end-to-end experiences across platforms

What we offer

healthcare
internet and cell phone reimbursement
a learning and development stipend
potential opportunities to travel to our headquarters in Mountain View

Staff Software Engineer - Backend

As a Staff Backend Engineer at Blinq, you’ll lead the design and delivery of cor...

Location

Australia , Sydney; Melbourne

Salary:

Not provided

Blinq Technologies

Expiration Date

Until further notice

Requirements

7+ years of experience building backend systems, with expert-level Node.js
Deep experience designing and scaling APIs in cloud environments (GCP preferred)
Proven technical leadership in cross-functional product teams
Strength in system architecture, observability, and performance tuning
Strong mentorship mindset and collaborative approach

Job Responsibility

Design backend systems and APIs that scale with our global growth
Lead high-impact initiatives across authentication, permissions, usage tracking, and integrations
Champion performance, reliability, and testability across backend services
Drive cross-functional planning with product, data, and mobile teams
Mentor engineers and help build technical alignment across squads

What we offer

Equity & ownership
Competitive salary & growth path
Generous paid time off: At least 20 days fully disconnect each year, with a flexible policy beyond that
Parental leave that grows with you: 12 to 26 weeks full pay, based on tenure
Free food: Enjoy daily breakfast and lunch at some of our offices, plus an always-stocked snack bar

Fulltime

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

Software Engineer

Founded in 2016, LogRocket's goal is to make every experience on the web as perf...

Location

United States , Boston or NYC

Salary:

100000.00 - 145000.00 USD / Year

LogRocket

Expiration Date

Until further notice

Requirements

2+ years of experience in a full stack or backend development role, preferably with a SaaS company
Familiarity with the state of the art in cloud technologies, including architectural principles, specific tools of the trade, and their strengths and weaknesses
Some experience in development environments with demanding scalability or availability requirements
Familiarity with modern Javascript-based applications and frameworks
A strong collaborator who is transparent about progress on tasks, seeks feedback early and often, works effectively with the team

Job Responsibility

Design a system to automatically detect the most common user paths across millions of events
Create a plugin to support react-native in our mobile recording SDK
Implement a search backend that allows users to search in real time across billions of log entries
Build a machine learning pipeline that automatically detects bugs in our users' apps
Enrich Salesforce data with customer usage data to help make our sales team more effective
Automate database scaling to improve operating cost while maintaining the ability to respond to traffic spikes
Build a system that automatically recommends integrations for customers based on their toolset

What we offer

Catered lunch and an impressive array of your favorite snacks (healthy AND non-healthy!)
Unlimited vacation policy
Health, Dental, Vision benefits, 401k, commuter benefits
Generous stock options
Regular team outings and activities (from boat rides to paintball, we’ll try anything!)

Fulltime

Staff Mobile Engineer (iOS)

We are seeking a Staff iOS Engineer to lead the development and scaling of new a...

Location

Mexico , Mexico City

Salary:

Not provided

EarnIn

Expiration Date

Until further notice

Requirements

Bachelor’s degree (or higher) in Computer Science or a related field, or equivalent practical experience
7+ years of relevant industry experience, with a significant portion focused on mobile development and a track record of leading complex projects
Expert-level proficiency in Swift, with deep expertise in modern iOS paradigms (Combine, Swift Concurrency, SwiftUI, etc)
Extensive and nuanced understanding of iOS application architectures (MVVM, MVP, VIPER, etc.) and their trade-offs
Demonstrated leadership in establishing and enforcing professional software engineering practices across the full development lifecycle, including coding standards, code reviews, source control management, build processes, unit testing, UI testing, performance testing, and operations
Proven ability to architect scalable and maintainable mobile solutions
Experience in mentoring and guiding other engineers, fostering technical growth within the team

Job Responsibility

Drive the development and implementation of complex product features that significantly impact customer experience and business outcomes
Architect, lead, and optimize mobile infrastructure, ensuring exceptional scalability, performance, and reliability to support the organization's strategic growth
Lead collaborative efforts with backend engineers to define and evolve robust, efficient, and well-documented APIs for seamless mobile-to-server communication
Champion and enforce engineering best practices across teams, raising the standards for code quality, system design, and operational excellence
Proactively identify and drive strategic technical initiatives, providing clear vision, architectural guidance, and effective problem-solving for complex challenges
Mentor and elevate the mobile engineering team, fostering technical expertise, promoting innovation, and optimizing development processes across the organization
Architect and oversee the development of comprehensive unit, integration, and UI automation testing strategies to guarantee the quality and stability of new features and the resilience of existing functionalities
Define and analyze key performance indicators using advanced analytics to measure feature effectiveness, identify areas for improvement, and drive data-informed decisions for future product enhancements

What we offer

healthcare
internet and cell phone reimbursement
a learning and development stipend
potential opportunities to travel to our Mountain View headquarters

Fulltime

Senior Software Engineer - Android

As a Senior Android Engineer at Blinq, you’ll take the lead in evolving our Andr...

Location

Australia , Sydney; Melbourne

Salary:

Not provided

Blinq Technologies

Expiration Date

Until further notice

Requirements

5+ years of Android engineering experience
Expert-level Kotlin skills
Deep understanding of Android internals
Track record of building and maintaining complex mobile apps in production
Solid knowledge of Android architecture patterns like MVVM, MVP, or Clean Architecture
Experience leading projects, making technical decisions, and mentoring junior team members
A degree in Computer Science, Software Engineering, or a related field

Job Responsibility

Lead development of key features in the Blinq Android app
Drive architectural improvements that scale with our global user base
Partner closely with product, design, and backend teams
Mentor other engineers, lead code reviews, and champion quality
Contribute to internal tooling, CI/CD improvements, and performance optimisation efforts

What we offer

Equity & ownership
Competitive salary & growth path
Generous paid time off
Parental leave that grows with you
Free food

Fulltime

Software Engineer (Kotlin), Institutional

We are looking to hire a Software Engineer to join our Institutional team in our...

Location

United Kingdom , London

Salary:

Not provided

Blockchain

Expiration Date

Until further notice

Requirements

Strong hands-on experience with Kotlin in backend and distributed systems development
Proven expertise building scalable APIs, microservices, and backend platforms for complex financial or data-intensive applications
Familiarity with cloud deployments, and service-oriented architectures
Knowledge of messaging and streaming technologies (NATS, Kafka, or similar)
Solid understanding of algorithms, data structures, databases, and distributed systems
Knowledge of ledger systems is a strong plus
Passion for solving challenging technical and financial problems with clean, maintainable code
Commitment to quality-driven engineering, with a strong focus on testing (unit, integration, performance, and failure recovery)
Experience in fintech, trading, or wealth management platforms is a strong advantage

Job Responsibility

Design and implement scalable, secure, and high-performance backend services in Java/Kotlin that power client-facing applications for trading, custody, and wealth management
Build robust APIs and microservices to support advanced dashboards, analytics tools, and mobile experiences
Collaborate closely with front-end engineers, product managers, and designers to deliver seamless, intuitive experiences for sophisticated investors
Architect solutions for portfolio management, trade execution, settlement, reporting, and analytics tailored to institutional and private clients
Optimize backend systems for low latency, high throughput, and fault tolerance
Integrate security best practices and advanced encryption to safeguard sensitive financial data
Continuously improve backend performance, reliability, and development workflows

What we offer

Full-time salary based on experience and meaningful equity in an industry-leading company
Work from Anywhere Policy: You can work remotely from anywhere in the world for up to 20 days per year
ClassPass
Budgets for learning & professional development
Unlimited vacation policy
Apple equipment
The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an emerging field
Flexible work culture

Fulltime

Mobile Engineer (Android)

We’re looking for a passionate Android Engineer to join the Live Pay team at Ear...

Location

Mexico , Mexico City

Salary:

Not provided

EarnIn

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science or related field, or equivalent practical experience
Proficiency in Kotlin and modern Android development, including Coroutines/Flow (RxJava experience is a plus)
Practical experience with Android app architectures (e.g., MVVM, MVI, MVP, Clean Architecture) and Jetpack components
Solid understanding of Android UI—XML layouts and Jetpack Compose—and how to build responsive, accessible, and performant screens
Working knowledge of software engineering best practices across the SDLC: coding standards, code reviews, Git workflows, CI/CD, automated testing, and mobile release operations
3+ years of industry experience building, shipping, and maintaining Android applications at scale
Interest in or exposure to security/privacy considerations in consumer apps
fintech experience is a plus

Job Responsibility

Build, ship, and maintain Android product features that improve the customer experience
Contribute to mobile architecture and platform improvements by implementing components using established patterns and participating in technical discussions
Work with backend engineers to integrate performant, reliable APIs
provide feedback on API design and contract changes
Partner with Product and UX to deliver thoughtful, accessible, and polished user interfaces
Uphold engineering best practices through code reviews, readable code, and maintainable abstractions
Own execution for well-scoped projects: break down tasks, surface risks early, and deliver incrementally
Write unit and UI tests
help keep CI/CD pipelines green and releases stable
Use analytics and experimentation (e.g., A/B tests, metrics) to evaluate the impact of features and iterate

What we offer

healthcare
internet and cell phone reimbursement
a learning and development stipend
potential opportunities to travel to our Mountain View headquarters

Backend Software Engineer - Mobile

Perplexity

Location:
United States; United Kingdom; Serbia , San Francisco ▼
London
New York City
Palo Alto
Belgrade

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 21, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Backend Software Engineer - Mobile

Software Engineer (Backend)

Staff Software Engineer - Backend

Principal Engineer, Software - Android

Software Engineer

Staff Mobile Engineer (iOS)

Senior Software Engineer - Android

Software Engineer (Kotlin), Institutional

Mobile Engineer (Android)

Backend Software Engineer - Mobile

Perplexity

Location:United States; United Kingdom; Serbia , San Francisco ▼LondonNew York CityPalo AltoBelgrade

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:February 21, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Backend Software Engineer - Mobile

Software Engineer (Backend)

Staff Software Engineer - Backend

Principal Engineer, Software - Android

Software Engineer

Staff Mobile Engineer (iOS)

Senior Software Engineer - Android

Software Engineer (Kotlin), Institutional

Mobile Engineer (Android)

Location:
United States; United Kingdom; Serbia , San Francisco ▼
London
New York City
Palo Alto
Belgrade

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
February 21, 2026