Python (Pandas, NumPy) jobs

Senior FPGA RF Signal Processing Engineer

Muon Space · Posted Jul 15, 2026

Remote, United States
Remote
Full-time · Senior
$158K–$223K per year
5+ years

Apply with RefersoAI Apply on careers page

Implement HDL for digital signal processing of RF systems on FPGAs, and design and optimize these algorithms for Earth observation-related high-performance wireless communication and RF sensing products.

Compensation

The salary range for this role is $158,000-$223,000K, plus a competitive equity grant and comprehensive benefits package.

Responsibilities

Implement and optimize DSP algorithms on FPGAs for real-time execution
Support algorithm prototyping in Python and porting to ARM SoCs
Design, simulate, and implement DSP algorithms for RF applications (Communications, ESM, Radar, etc.)
Collaborate with RF hardware engineers on instrument bring-up, calibration routines, and system integration
Author technical documentation, design specifications, and test reports

Requirements

BS/MS in Electrical Engineering
Computer Engineering
related field
Nice to have: Xilinx/AMD RFSoC or MPSoC
Nice to have: C/C++

Skills

FPGA development RF DSP HDL (Verilog / System Verilog / VHDL)Digital signal processing Python ARM SoCs Verilog System Verilog VHDL C C++Rust Git JTAG GDB

Benefits

medical
dental
vision insurance
401k retirement plan
short & long term disability

See full job description

Junior Support Analyst

mthree Recruiting Portal · Posted Jul 16, 2025

Open

Hong Kong, Hong Kong
Full-time · Entry

Apply with RefersoAI Apply on careers page

The Junior Support Analyst will maintain and optimize real-time market data systems, ensure high availability, and collaborate with users and developers to support global financial market data platforms.

Responsibilities

Maintain and optimize real-time market data systems
Ensure high availability and platform performance
Collaborate with users and developers on global migrations
Monitor systems and ensure platform stability
Identify automation and efficiency improvements

Requirements

Bachelor's degree in computer science or a related STEM subject (science, technology, engineering, maths)
Nice to have: Java
Nice to have: C++
Nice to have: .NET
Nice to have: MQ

Skills

Linux SQL Networking (TCP/IP, UDP, SNMP)Scripting (Perl, Python, or UNIX shell)Problem-solving Analytical skills English communication skills

Benefits

Interactive training before placement
Generous graduate salary
Pay rises every 12 months
Ongoing training and support

See full job description

Senior Manager QA – Test Automation & Performance Testing

IPSY · Posted Nov 10, 2026

Open

Remote, United States +16 more
Remote
Full-time · Senior
$180K–$185K per year
10+ years

Apply with RefersoAI Apply on careers page

Lead Test Automation and Performance Testing teams, driving strategy, frameworks, and quality metrics for software delivery.

Locations (17)

Arizona, United States
California, United States
Connecticut, United States
Florida, United States
Illinois, United States
Kansas, United States

Show all 17 locations

Massachusetts, United States
Missouri, United States
North Carolina, United States
New York, United States
New Jersey, United States
Nevada, United States
Ohio, United States
Pennsylvania, United States
Texas, United States
Utah, United States
Washington, United States

Compensation

$180,000—$185,000 USD

Responsibilities

Define and drive the vision, strategy, and roadmap for test automation and performance testing.
Establish, maintain, and scale test automation frameworks for functional, integration, regression, UAT and end-to-end testing.
Build and enhance performance testing frameworks to ensure system scalability, reliability, and responsiveness.
Lead and mentor a team of test automation and performance engineers.
Work closely with Engineering, DevOps, and product teams to integrate quality engineering practices early in the development cycle.

Requirements

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
Nice to have: AI/ML driven test automation tools
Nice to have: security testing methodologies and tools
Nice to have: large-scale enterprise software testing
Nice to have: ISTQB or equivalent QA certification

Skills

test automation frameworks such as webdriver.io BDD Python Java JavaScript performance testing tools like JMeter, Gatling, k6, LoadRunner CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI/CD)cloud environments (AWS)containerization technologies webdriver.io JMeter Gatling k6 LoadRunner Jenkins GitHub Actions GitLab CI/CD AWS

Benefits

Medical, dental & vision insurance
401(k) plan with company match
Paid Time Off
Work from home flexibility
Free IPSY Extra subscription

See full job description

Platform Operations Implementation

Pico · Posted May 15, 2026

Open

Pune, Maharashtra, India
Hybrid
Full-time
4–8 years

Apply with RefersoAI Apply on careers page

Responsible for maintaining the security, stability, and performance of Pico’s internal infrastructure and client trading platforms.

Responsibilities

Provide operational support across Pico’s infrastructure and platform services
Ensure stability, availability, and reliability of platform services in a 24x7 production trading environment
Act as second-line support, performing technical investigation, triage, and expert-level troubleshooting
Take end-to-end ownership of incidents and service requests
Perform root cause analysis of platform incidents

Requirements

Degree in Computer Science, Information Systems, or a related discipline, or equivalent practical experience
Nice to have: Experience supporting platforms within the financial services or trading industry

Skills

Red Hat Enterprise Linux KVM VMware ESXi Hyper‑V HPE server hardware Dell server hardware Bash scripting Ansible Python scripting ITIL operational frameworks Microsoft Windows Server Active Directory Red Hat Satellite server monitoring solutions bare‑metal server deployments networking (IP routing, TCP/IP, multicast, DNS, NTP, PTP)Bash Python

See full job description

Quantitative Researcher - Macro

Point72 · Posted Aug 15, 2024

Open

New York, New York, United States
Full-time · Mid
$150K–$200K per year

Apply with RefersoAI Apply on careers page

Quantitative researcher to help build out a systematic macro (futures, FX, and vol) strategies with a focus on mid-frequency alpha strategies.

Compensation

The annual base salary range for this role is $150,000-$200,000 (USD), which does not include discretionary bonus compensation or our comprehensive benefits package.

Responsibilities

Develop systematic trading models across FX, commodities, fixed income, and equity markets
Alpha idea generation, backtesting, and implementation
Assist in building, maintenance, and continual improvement of production and trading environments
Evaluate new datasets for alpha potential
Improve existing strategies and portfolio optimization

Requirements

Masters or PhD in mathematics, statistics, physics or other quantitative discipline
PhD in statistics or machine learning
Nice to have: FX
Nice to have: futures
Nice to have: risk management

Benefits

comprehensive benefits package
discretionary bonus compensation

See full job description

Research Associate 1

Natera · Posted Nov 10, 2026

Open

Remote, United States +1 more
Remote
Entry
$23–$25 per hour
0–2 years

Apply with RefersoAI Apply on careers page

Responsible for managing biological samples, ensuring integrity, overseeing quality control, and supporting research projects that rely on biological specimens.

Locations (2)

Austin, Texas, United States
United States

Compensation

$23—$25 USD

Responsibilities

Oversee collection, preparation, and processing of biological samples
Maintain proper documentation and labeling of samples
Ensure proper storage conditions for various types of biological samples
Implement inventory management procedures
Manage and update the sample database

Requirements

Bachelor’s degree in Biological Sciences, Biotechnology, Molecular Biology, or a related field
Nice to have: FreezerPro
Nice to have: LabArchives
Nice to have: LabWare
Nice to have: snowflake based database

Benefits

comprehensive medical, dental, vision, life and disability plans
free testing
fertility care benefits
pregnancy and baby bonding leave
401k benefits

See full job description

NLP Engineer

Point72 · Posted May 31, 2025

Open

New York, New York, United States
Full-time

Apply with RefersoAI Apply on careers page

Seeking an NLP engineer for a NLP research team to develop modern NLP solutions including LLMs, agents, RAG, and open-source models fine-tuning and deployment.

Responsibilities

Exploring and combining rich internal and external textual datasets
Building GenAI solutions, leveraging both internal models and external APIs
Formulating research hypothesis to derive alpha
Post-training models for specific tasks
Benchmarking LLM approaches internal tasks

Requirements

Bachelor in computer science or another quantitative discipline
Master’s in computer science or another quantitative discipline
PhD in computer science or another quantitative discipline
Nice to have: Data science stack familiarity
Nice to have: Interest in financial markets

Skills

NLP LLMs Python SQL software engineering principles github testing

See full job description

NLP Researcher

Point72 · Posted Apr 29, 2025

Open

New York, United States

Apply with RefersoAI Apply on careers page

Quantitative researcher focused on NLP for finance and trading signals.

Responsibilities

Using NLP to construct features from varied datasets
Formulating research hypotheses to derive alpha
Building and testing the performance of trading signals based on NLP and financial features
Launching identified signals into production

Requirements

Bachelor’s, Master’s or PhD degree in computer science or other quantitative discipline
Nice to have: prior research experience
Nice to have: experience with deep learning, specifically NLP
Nice to have: data science stack familiarity

Skills

Python machine learning statistics deep learning NLP PyTorch HuggingFace LLMs software engineering principles data science stack

See full job description

Cloud Platform Engineer

PayPay · Posted Mar 10, 2025

Open

Japan
Hybrid
Full-time · Senior
5+ years
Visa sponsorship

Apply with RefersoAI Apply on careers page

Responsible for the engineering of Cloud Infrastructure Platforms to provide robust, reliable and cost-efficient Platform for PayPay's Based payment system.

Compensation

Annual salary paid in 12 installments (monthly). Based on skills, experience, and abilities. Reviewed once a year.

Responsibilities

Architect and build a robust, scalable and stable infrastructure
Architect and build Infrastructure that is easily maintainable during patching and upgrades without downtime
Architect and build Infrastructure with AWS regional level failure tolerance
Work together with our Security Engineers to provision a secure Infrastructure
Automations for AWS Deployments to ensure fast delivery of Cloud Services to our developers

Requirements

Bachelor’s degree and above in a Computer Science related field
Nice to have: AWS Professional or Specialty certification
Nice to have: PCI DSS
Nice to have: GCP
Nice to have: Azure

Benefits

Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
401K
Translation/Interpretation support
VISA sponsor
Relocation support

See full job description

Cloud Platform Engineer (DB Specialist)

PayPay · Posted Jun 28, 2023

Open

Japan
Hybrid
Full-time
5+ years
Visa sponsorship

Apply with RefersoAI Apply on careers page

Provide database operations and infrastructure support for PayPay’s mission‑critical systems in Japan.

Responsibilities

Database operations, including monitoring, configuration management, upgrade, scaling, backup, and data migration.
Iterate on database operations to improve quality and efficiency
Troubleshoot stability and performance problems
Contribute to documentation for communicating knowledge, experience and for effective decision‑making
Research and test new tools in database ecosystems, and adopt them in PayPay Group.

Requirements

Nice to have: Jenkins
Nice to have: Ansible
Nice to have: Docker
Nice to have: Kubernetes
Nice to have: Redis

Benefits

Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
401K
Translation/Interpretation support
VISA sponsor + Relocation support

See full job description

Senior FPGA RF Signal Processing Engineer

Muon Space · Posted Jul 15, 2026

Open

Remote, United States
Remote
Full-time · Senior
$158K–$223K per year
5+ years

Apply with RefersoAI Apply on careers page

Compensation

The salary range for this role is $158,000-$223,000K, plus a competitive equity grant and comprehensive benefits package.

Responsibilities

Implement and optimize DSP algorithms on FPGAs for real-time execution
Support algorithm prototyping in Python and porting to ARM SoCs
Design, simulate, and implement DSP algorithms for RF applications (Communications, ESM, Radar, etc.)
Collaborate with RF hardware engineers on instrument bring-up, calibration routines, and system integration
Author technical documentation, design specifications, and test reports

Requirements

BS/MS in Electrical Engineering
Computer Engineering
related field
Nice to have: Xilinx/AMD RFSoC or MPSoC
Nice to have: C/C++

Skills

FPGA development RF DSP HDL (Verilog / System Verilog / VHDL)Digital signal processing Python ARM SoCs Verilog System Verilog VHDL C C++Rust Git JTAG GDB

Benefits

medical
dental
vision insurance
401k retirement plan
short & long term disability

See full job description

Junior Support Analyst

mthree Recruiting Portal · Posted Jul 16, 2025

Open

Hong Kong, Hong Kong
Full-time · Entry

Apply with RefersoAI Apply on careers page

Responsibilities

Maintain and optimize real-time market data systems
Ensure high availability and platform performance
Collaborate with users and developers on global migrations
Monitor systems and ensure platform stability
Identify automation and efficiency improvements

Requirements

Bachelor's degree in computer science or a related STEM subject (science, technology, engineering, maths)
Nice to have: Java
Nice to have: C++
Nice to have: .NET
Nice to have: MQ

Skills

Linux SQL Networking (TCP/IP, UDP, SNMP)Scripting (Perl, Python, or UNIX shell)Problem-solving Analytical skills English communication skills

Benefits

Interactive training before placement
Generous graduate salary
Pay rises every 12 months
Ongoing training and support

See full job description

Senior Manager QA – Test Automation & Performance Testing

IPSY · Posted Nov 10, 2026

Open

Remote, United States +16 more
Remote
Full-time · Senior
$180K–$185K per year
10+ years

Apply with RefersoAI Apply on careers page

Lead Test Automation and Performance Testing teams, driving strategy, frameworks, and quality metrics for software delivery.

Locations (17)

Arizona, United States
California, United States
Connecticut, United States
Florida, United States
Illinois, United States
Kansas, United States

Show all 17 locations

Massachusetts, United States
Missouri, United States
North Carolina, United States
New York, United States
New Jersey, United States
Nevada, United States
Ohio, United States
Pennsylvania, United States
Texas, United States
Utah, United States
Washington, United States

Compensation

$180,000—$185,000 USD

Responsibilities

Define and drive the vision, strategy, and roadmap for test automation and performance testing.
Establish, maintain, and scale test automation frameworks for functional, integration, regression, UAT and end-to-end testing.
Build and enhance performance testing frameworks to ensure system scalability, reliability, and responsiveness.
Lead and mentor a team of test automation and performance engineers.
Work closely with Engineering, DevOps, and product teams to integrate quality engineering practices early in the development cycle.

Requirements

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
Nice to have: AI/ML driven test automation tools
Nice to have: security testing methodologies and tools
Nice to have: large-scale enterprise software testing
Nice to have: ISTQB or equivalent QA certification

Skills

Benefits

Medical, dental & vision insurance
401(k) plan with company match
Paid Time Off
Work from home flexibility
Free IPSY Extra subscription

See full job description

Platform Operations Implementation

Pico · Posted May 15, 2026

Open

Pune, Maharashtra, India
Hybrid
Full-time
4–8 years

Apply with RefersoAI Apply on careers page

Responsible for maintaining the security, stability, and performance of Pico’s internal infrastructure and client trading platforms.

Responsibilities

Provide operational support across Pico’s infrastructure and platform services
Ensure stability, availability, and reliability of platform services in a 24x7 production trading environment
Act as second-line support, performing technical investigation, triage, and expert-level troubleshooting
Take end-to-end ownership of incidents and service requests
Perform root cause analysis of platform incidents

Requirements

Degree in Computer Science, Information Systems, or a related discipline, or equivalent practical experience
Nice to have: Experience supporting platforms within the financial services or trading industry

Skills

See full job description

Quantitative Researcher - Macro

Point72 · Posted Aug 15, 2024

Open

New York, New York, United States
Full-time · Mid
$150K–$200K per year

Apply with RefersoAI Apply on careers page

Quantitative researcher to help build out a systematic macro (futures, FX, and vol) strategies with a focus on mid-frequency alpha strategies.

Compensation

The annual base salary range for this role is $150,000-$200,000 (USD), which does not include discretionary bonus compensation or our comprehensive benefits package.

Responsibilities

Develop systematic trading models across FX, commodities, fixed income, and equity markets
Alpha idea generation, backtesting, and implementation
Assist in building, maintenance, and continual improvement of production and trading environments
Evaluate new datasets for alpha potential
Improve existing strategies and portfolio optimization

Requirements

Masters or PhD in mathematics, statistics, physics or other quantitative discipline
PhD in statistics or machine learning
Nice to have: FX
Nice to have: futures
Nice to have: risk management

Benefits

comprehensive benefits package
discretionary bonus compensation

See full job description

Research Associate 1

Natera · Posted Nov 10, 2026

Open

Remote, United States +1 more
Remote
Entry
$23–$25 per hour
0–2 years

Apply with RefersoAI Apply on careers page

Responsible for managing biological samples, ensuring integrity, overseeing quality control, and supporting research projects that rely on biological specimens.

Locations (2)

Austin, Texas, United States
United States

Compensation

$23—$25 USD

Responsibilities

Oversee collection, preparation, and processing of biological samples
Maintain proper documentation and labeling of samples
Ensure proper storage conditions for various types of biological samples
Implement inventory management procedures
Manage and update the sample database

Requirements

Bachelor’s degree in Biological Sciences, Biotechnology, Molecular Biology, or a related field
Nice to have: FreezerPro
Nice to have: LabArchives
Nice to have: LabWare
Nice to have: snowflake based database

Benefits

comprehensive medical, dental, vision, life and disability plans
free testing
fertility care benefits
pregnancy and baby bonding leave
401k benefits

See full job description

NLP Engineer

Point72 · Posted May 31, 2025

Open

New York, New York, United States
Full-time

Apply with RefersoAI Apply on careers page

Seeking an NLP engineer for a NLP research team to develop modern NLP solutions including LLMs, agents, RAG, and open-source models fine-tuning and deployment.

Responsibilities

Exploring and combining rich internal and external textual datasets
Building GenAI solutions, leveraging both internal models and external APIs
Formulating research hypothesis to derive alpha
Post-training models for specific tasks
Benchmarking LLM approaches internal tasks

Requirements

Bachelor in computer science or another quantitative discipline
Master’s in computer science or another quantitative discipline
PhD in computer science or another quantitative discipline
Nice to have: Data science stack familiarity
Nice to have: Interest in financial markets

Skills

NLP LLMs Python SQL software engineering principles github testing

See full job description

NLP Researcher

Point72 · Posted Apr 29, 2025

Open

New York, United States

Apply with RefersoAI Apply on careers page

Quantitative researcher focused on NLP for finance and trading signals.

Responsibilities

Using NLP to construct features from varied datasets
Formulating research hypotheses to derive alpha
Building and testing the performance of trading signals based on NLP and financial features
Launching identified signals into production

Requirements

Bachelor’s, Master’s or PhD degree in computer science or other quantitative discipline
Nice to have: prior research experience
Nice to have: experience with deep learning, specifically NLP
Nice to have: data science stack familiarity

Skills

Python machine learning statistics deep learning NLP PyTorch HuggingFace LLMs software engineering principles data science stack

See full job description

Cloud Platform Engineer

PayPay · Posted Mar 10, 2025

Open

Japan
Hybrid
Full-time · Senior
5+ years
Visa sponsorship

Apply with RefersoAI Apply on careers page

Responsible for the engineering of Cloud Infrastructure Platforms to provide robust, reliable and cost-efficient Platform for PayPay's Based payment system.

Compensation

Annual salary paid in 12 installments (monthly). Based on skills, experience, and abilities. Reviewed once a year.

Responsibilities

Architect and build a robust, scalable and stable infrastructure
Architect and build Infrastructure that is easily maintainable during patching and upgrades without downtime
Architect and build Infrastructure with AWS regional level failure tolerance
Work together with our Security Engineers to provision a secure Infrastructure
Automations for AWS Deployments to ensure fast delivery of Cloud Services to our developers

Requirements

Bachelor’s degree and above in a Computer Science related field
Nice to have: AWS Professional or Specialty certification
Nice to have: PCI DSS
Nice to have: GCP
Nice to have: Azure

Benefits

Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
401K
Translation/Interpretation support
VISA sponsor
Relocation support

See full job description

Cloud Platform Engineer (DB Specialist)

PayPay · Posted Jun 28, 2023

Open

Japan
Hybrid
Full-time
5+ years
Visa sponsorship

Apply with RefersoAI Apply on careers page

Provide database operations and infrastructure support for PayPay’s mission‑critical systems in Japan.

Responsibilities

Database operations, including monitoring, configuration management, upgrade, scaling, backup, and data migration.
Iterate on database operations to improve quality and efficiency
Troubleshoot stability and performance problems
Contribute to documentation for communicating knowledge, experience and for effective decision‑making
Research and test new tools in database ecosystems, and adopt them in PayPay Group.

Requirements

Nice to have: Jenkins
Nice to have: Ansible
Nice to have: Docker
Nice to have: Kubernetes
Nice to have: Redis

Benefits

Social Insurance (health insurance, employee pension, employment insurance and compensation insurance)
401K
Translation/Interpretation support
VISA sponsor + Relocation support

See full job description