Staff Software Engineer - Devices interactions Job at Ledger (Paris)

Staff Software Engineer - Mobile

Easygo leads the world in crafting top-tier entertainment experiences. Within ou...

Location

Australia , Melbourne

Salary:

Not provided

Easygo Gaming

Expiration Date

Until further notice

Requirements

8+ years of mobile application development experience
Proven success designing and delivering complex, high-performance mobile applications — ideally in gaming, entertainment, or real-time interactive environments
Strong command of mobile frameworks and ecosystems such as Native (Swift/Kotlin) and Cross-platform (React Native, Flutter)
In-depth knowledge of rendering, audio, device integration, performance tuning, and security on mobile platforms
Demonstrated ability to lead architectural direction and technical decision-making at a senior level
Strong communication and collaboration skills, with experience partnering with cross-functional teams and influencing technical outcomes

Job Responsibility

Define the mobile technology strategy for our core gaming platform across iOS and Android, aligning architecture with business goals and user expectations
Architect secure, performant, and scalable mobile systems optimised for real-time gaming, immersive interaction, and cross-platform compatibility
Establish and uphold mobile engineering standards, including development practices, testing frameworks, deployment workflows, and code quality benchmarks
Partner cross-functionally with product managers, designers, and platform engineers to ensure seamless mobile-user experiences that enhance gameplay
Act as a technical leader and subject matter expert, guiding architectural decisions, reviewing designs, and influencing mobile development across the company
Support team growth by defining hiring criteria, participating in recruitment, and mentoring engineers to build a high-performing mobile team

Staff Applications Engineer, Tools

Our team is seeking a talented and versatile engineer to bridge the gap between ...

Location

United States , San Jose

Salary:

134400.00 - 168000.00 USD / Year

Archer Aviation

Expiration Date

Until further notice

Requirements

Bachelor's degree in Computer Science, Electrical Engineering, or a related technical field, or equivalent practical experience
5+ years of professional software development experience, with a strong emphasis on tooling, automation, or DevOps
Expert proficiency in Python, including experience with relevant libraries for I/O, data manipulation (e.g., Pandas, NumPy), and system interaction
Demonstrable experience designing, building, and maintaining CI/CD pipelines
Proven experience building tools that interface directly with hardware or real-time data streams (e.g., working with data acquisition systems, parsing custom binary protocols, interacting with serial devices)
A strong foundation in software development best practices, including version control (Git), code reviews, and testing

Job Responsibility

Develop Hardware Integration Tools: Design, build, and maintain robust Python applications to capture, parse, and analyze real-time data from hardware test setups
Own the CI/CD Pipeline: Architect and manage our automation and CI/CD pipelines (e.g., Teamcity, Jenkins) to integrate hardware testing directly into our software build, test, and deployment processes
Maintain and Improve Test Automation Frameworks: Build and support test harnesses and frameworks that allow developers to easily write and execute tests against physical hardware or emulators
Enable AI Integration: Support the deployment and integration of LLMs to existing workflows
Build for Reliability: Ensure the infrastructure and tooling you create are scalable, reliable, and easy to maintain. Document your work and champion best practices across the engineering organization
Collaborate Cross-Functionally: Work closely with hardware engineers, embedded software developers, and integration / lab teams to understand their requirements and build the tools they need to succeed

Fulltime

Software Engineer UI/UX

Designs, develops, troubleshoots, and debugs software programs for software enha...

Location

Costa Rica , Heredia

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 4-6 years experience
Proficient in Figma or similar tools
Familiarity with HTML, CSS, and basic JavaScript for prototyping and developer handoff
Experience with design systems (e.g., Material Design, Carbon)
Strong understanding of UX principles, human-centered design, and usability testing
Ability to analyze user data and behavior to drive design decisions
Experience in Agile or cross-functional teams
Experience designing for web and cross-platform products
Strong analytical and problem solving skills

Job Responsibility

Conduct user research, interviews, and surveys to understand user needs and behaviors
Analyze user feedback and activity to iterate and improve the user experience
Develop UX strategies aligned with business goals
Create user personas, customer journey maps, and user flows
Design visually appealing, user-centered interfaces
Create wireframes, prototypes, and high-fidelity mockups using tools like Figma
Define interactive behaviors and animations
Ensure consistency across UI elements and interaction patterns
Build and maintain design systems or component libraries
Enforce brand consistency across all digital products

What we offer

Comprehensive suite of benefits supporting physical, financial, and emotional wellbeing
Specific programs catered to personal and professional development
Inclusive culture valuing varied backgrounds
Flexibility to manage work and personal needs.

Fulltime

New

Senior Software Quality Engineer

Client is currently seeking Senior Software Quality Engineers to join our exciti...

Location

United States , San Jose

Salary:

48.00 - 52.00 USD / Hour

MillenniumSoft Inc

Expiration Date

Until further notice

Requirements

Experience with the Agile/Scrum process
Experience working on software for Flow Cytometers or other related medical devices
Provide independent verification of software products
Independently develops, maintains and executes test cases both manual and automated
Discovers, documents and tracks software defects
Plans and implements the setup of test environments
Develops, publishes, and implements test plans
Requires a bachelor's degree in Computer Science or related field and at least 5 years of industry experience coding in C++ and/or C#
Writes and maintains test automation
Develops quality assurance standards

Job Responsibility

Determines scope of work for complex tasks and establishes project test schedules
Responsible for ensuring team adheres to project test schedules
Responsible for establishing and documenting software project test strategies and techniques in a Test Plan
Responsible for translating requirements for complex software systems into traceable test suite documentation
Responsible for executing Test Procedures, automated test scripts and code, exploratory testing both on the instrument and in a simulated environment, submitting clear and concise defect reports, regressing defect corrections, and entering requests for change
Participates in code inspections, technical reviews, and design reviews
Work with application developers to assess the application’s potential cyber security risks and develop test plans accordingly
Works proactively with staff from Systems Verification and Validation to determine the best strategy for project test coverage
Presents project test data at project review meetings, and presents product acceptance determination
Communicates project test status, progress, problems and changes to program as well as functional management

Fulltime

New

Senior Software Quality Engineer

Senior Software Quality Engineer is responsible for the development and executio...

Location

United States , San Jose

Salary:

90.00 - 95.00 USD / Hour

MillenniumSoft Inc

Expiration Date

Until further notice

Requirements

BS degree in a related discipline (PhD is equivalent to MS plus two years of directly related technical experience
MS is equivalent to BS plus one year of directly related technical experience) and six years of direct technical experience in software quality engineering, or equivalent combination of related education and experience
Must possess ability to communicate technical ideas clearly
Good understanding of how to test software applications for cyber security risks
Effective team leadership competence
Ability to function in a team setting
Ability to motivate, lead, coach
Effective project planning and organizational skills
Demonstrated ability to perform detail-oriented work with a high degree of accuracy
Effective oral and written communication skills

Job Responsibility

Determines scope of work for complex tasks and establishes project test schedules
Responsible for ensuring team adheres to project test schedules
Responsible for establishing and documenting software project test strategies and techniques in a Test Plan
Responsible for translating requirements for complex software systems into traceable test suite documentation including: Test Designs, Test Procedures, Automated Test Scripts or code
Responsible for executing Test Procedures, automated test scripts and code, exploratory testing both on the instrument and in a simulated environment, submitting clear and concise defect reports, regressing defect corrections, and entering requests for change to improve the usability of the product
Participates in code inspections, technical reviews, and design reviews
Work with application developers to assess the application’s potential cyber security risks and develop test plans accordingly
Works proactively with staff from Systems Verification and Validation to determine the best strategy for project test coverage
Presents project test data at project review meetings, and presents product acceptance determination
Communicates project test status, progress, problems and changes to program as well as functional management

Fulltime

Senior Software Engineer

The Teradyne Software Engineering team is looking for a highly motivated, energe...

Location

United States , Agoura Hills

Salary:

137900.00 - 220700.00 USD / Year

Teradyne

Expiration Date

Until further notice

Requirements

Bachelor’s or master’s degree in computer science, Electrical Engineering, or related field
3-5+ years of experience in SW development
Conceive and Implement fully functional and high performing C# and C++ software solutions in both Windows and Linux environments
Experience implementing software that directly interacts with hardware (FPGAs and ASICs)
Familiarity with real-time operating systems, device drivers, and hardware-software interaction
Debug system and board level modules through the software toolset, working closely with hardware engineers
Proven experience in designing and implementing large-scale software systems, preferably in an hardware/software integrated environment
Strong experience with system-level programming and Design Verification automation
Experience with CI/CD processes, version control, and agile methodologies
Familiarity with tools like Git, Jira, Polarian, etc. for Software development and testing

Job Responsibility

Design, develop, and maintain software components for ATE platforms, including embedded systems, diagnostic tools, and automation frameworks
Participate in full software development lifecycle: requirements analysis, design, implementation, testing, and support
Collaborate with hardware, systems, and product teams to ensure seamless integration and performance
Conduct unit testing, code reviews, and debugging to ensure software quality and reliability
Support internal and external customers with technical troubleshooting and issue resolution
Provide technical guidance and mentorship to junior engineers, helping them grow and achieve high standards of software engineering
Prepare clear and detailed technical documentation for developed software, system architectures, and processes
Contribute to continuous improvement of development processes and tools

What we offer

medical
dental
vision
Flexible Spending Accounts
retirement savings plans
life and disability insurance
paid vacation & holidays
tuition assistance programs

Fulltime

Platform Engineer – Storage Product Platform Development

Senior level network and system expert to define and lead Enterprise storage pro...

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 8+ years of total experience
Prior experience of bringing up a Hardware platform
Prior experience of performance tuning disk drives, device drivers & memory management for scale
Designing software systems running on multiple platform types and protocols like SNMP & iSCSI
Must have very strong system programming background with C/C++/Golang for large enterprise class software
Must have proficiency with data structures, algorithms and multi-threaded programming
Must have in-depth knowledge of OS internals, networking, and storage concepts
Strong analytical and problem-solving skills

Job Responsibility

Design and develop products that require in-depth knowledge of Device-driver development and Linux internals
Design, specify, and lead the implementation of the platform features of the storage array
Work with cross organizational interactions: Hardware, Firmware, System management, Network teams, Architects
Design enhancements, updates, and programming changes for portions and subsystems of systems software, including IO path, storage management, databases and cloud-related application
Write and execute complete testing plans, protocols, and documentation
Identify, debug and create solutions for issues with code and integration into system architecture
Collaborate and communicate with management, internal, and external partners regarding software systems design status, project progress, and issue resolution
Provide guidance and mentoring to less-experienced staff members

What we offer

Health & Wellbeing benefits
Personal & Professional Development programs
Unconditional Inclusion environment
Comprehensive suite of benefits supporting physical, financial and emotional wellbeing

Fulltime

New

Staff Embedded Software Engineer (Wireless Networking)

As a Staff Embedded Software Engineer specializing in Wireless Networking, you w...

Location

United States , Boston

Salary:

118600.00 - 174000.00 USD / Year

SimpliSafe

Expiration Date

Until further notice

Requirements

Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field
5+ years of experience in embedded firmware development with a strong focus on wireless networking
Expert-level proficiency in C/C++ for embedded systems
Deep understanding of the entire TCP/IP networking stack (Layers 2-7), including Ethernet, IP, TCP, UDP, DNS, DHCP, Thread, etc.
Extensive experience with WiFi (802.11) protocols, including MAC layer operations, roaming, power saving modes, and coexistence
Hands-on experience with embedded operating systems including FreeRTOS and Linux
Experience with various microcontrollers (e.g., ARM Cortex-M/R) and their peripherals
Proven ability to optimize embedded networking stacks for throughput, latency, power consumption, and memory footprint
Strong understanding of network security concepts, protocols, certificates/keys, firewalls, packet inspection and filtering
Familiarity with the following tools: Wireshark, Communications Analyzer, Traffic/Load generators, Network throttling, Wireless impairment test setups

Job Responsibility

Full Communications Stack Network Debugging & Optimization: Diagnose and resolve complex network connectivity, throughput, latency, and reliability issues across the entire networking stack, from the wireless radio (PHY/MAC layers) through TCP/IP and up to the application layer on embedded IoT devices
Protocol Implementation & Tuning: Implement, port, and optimize low power wireless (802.11, HaLow, Thread) and TCP/IP protocols to meet specific performance, power, and memory constraints of embedded systems
Performance Analysis: Conduct in-depth performance analysis of wireless and networking stacks, identifying bottlenecks and proposing innovative solutions for optimization (e.g., retransmission strategies, buffer management, concurrency, power management, scheduling)
Root Cause Analysis: Perform detailed root cause analysis of intermittent and hard-to-reproduce networking issues using advanced debugging techniques and tools
Cross-Functional Collaboration: Work closely with hardware engineers to characterize RF performance, integrate drivers, and troubleshoot hardware-firmware interactions. Collaborate with application software developers to ensure seamless integration and optimal use of network services
Testing & Validation: Define and help develop and comprehensive test plans for wireless our QA and Automation teams to include unit, integration, and system-level tests
Stay Current: Keep abreast of the latest advancements in wireless technologies, networking protocols, and embedded systems
Travel: Willing to travel to Asian manufacturing partners 1-3 times per year

What we offer

A mission- and values-driven culture and a safe, inclusive environment where you can build, grow and thrive
A comprehensive total rewards package that supports your wellness and provides security for SimpliSafers and their families
Free SimpliSafe system and professional monitoring for your home
Employee Resource Groups (ERGs) that bring people together, give opportunities to network, mentor and develop, and advocate for change
Participation in our annual bonus program, equity, and other forms of compensation, in addition to a full range of medical, retirement, and lifestyle benefits

Fulltime

Staff Software Engineer - Devices interactions

Ledger

Location:
France , Paris

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
September 15, 2025

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Staff Software Engineer - Devices interactions

Ledger

Location:France , Paris

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:September 15, 2025

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

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Contract Type:
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Job Posted:
September 15, 2025