Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
En tant que Developpeur (se) de logiciel senior, vous concevrez et livrerez des capacites ... As aSeniorSoftware Developer, you will design and deliver scalable viewer capabilitiesand product ...
En tant que Developpeur (se) de logiciel senior, vous concevrez et livrerez des capacites ... As aSeniorSoftware Developer, you will design and deliver scalable viewer capabilitiesand product ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer $50 - $100/hourpay Required Skills Python3 JAVA Rust Algorithms Basics C++ Typescript bug fixing feature implementation codebase refactoring performance optimization About ...
Senior Software Engineer
Montreal, QC · On-site
High autonomy role, embedded in a team of senior software and data engineers, collaborating on the data platform problem and solution space. Translating complex, ambiguous requirements into resilient ...
Senior Software Engineer
Montreal, QC · On-site
High autonomy role, embedded in a team of senior software and data engineers, collaborating on the data platform problem and solution space. Translating complex, ambiguous requirements into resilient ...
... Senior Software Developer with deep expertise in Microsoft Dynamics 365, Power Platform, and Azure integration technologies. In this role, design and implement scalable, secure solutions across ...
Quick apply
... Senior Software Developer with deep expertise in Microsoft Dynamics 365, Power Platform, and Azure integration technologies. In this role, design and implement scalable, secure solutions across ...
... Senior Software Developer with deep expertise in Microsoft Dynamics 365, Power Platform, and Azure integration technologies. In this role, design and implement scalable, secure solutions across ...
... Senior Software Developer with deep expertise in Microsoft Dynamics 365, Power Platform, and Azure integration technologies. In this role, design and implement scalable, secure solutions across ...
What you'll do As a Senior Software Developer (Online Services) , you will design, develop and operate distributed Gateway services with focus on high availability, low latency, scalability and ...
Quick apply
What you'll do As a Senior Software Developer (Online Services) , you will design, develop and operate distributed Gateway services with focus on high availability, low latency, scalability and ...
Build the backbone of scalable data platforms at Coveo As a Senior Software Developer within the Data Platform's Infrastructure team, you will lead efforts to improve the reliability, cost efficiency ...
Build the backbone of scalable data platforms at Coveo As a Senior Software Developer within the Data Platform's Infrastructure team, you will lead efforts to improve the reliability, cost efficiency ...
... Senior Software Developer, Data Security Project to join our growing team! What you'll do here: * Perform analyses of system and coding needs to identify the problems encountered and propose ...
... Senior Software Developer, Data Security Project to join our growing team! What you'll do here: * Perform analyses of system and coding needs to identify the problems encountered and propose ...
Senior Software Engineer
Montreal, QC · Remote
CA$195K - CA$235K/yr
To succeed at Fincentify, our future Senior Software Engineer must be a critical thinker who can break down a problem with as much skill as they bring to building the best possible solution. Our ...
Quick apply
Senior Software Engineer
Montreal, QC · Remote
CA$195K - CA$235K/yr
To succeed at Fincentify, our future Senior Software Engineer must be a critical thinker who can break down a problem with as much skill as they bring to building the best possible solution. Our ...
About the role We're looking for a Senior Software Developer, Data Security Project to join our growing team! What you'll do here: * Perform analyses of system and coding needs to identify the ...
About the role We're looking for a Senior Software Developer, Data Security Project to join our growing team! What you'll do here: * Perform analyses of system and coding needs to identify the ...
Senior Software Engineer
Montreal, QC · On-site
Collaboration Job Summary We are seeking a talented and motivated Senior Software Engineer to ... DevOps teams on deployments and operational improvements * Build and operate services deployed on ...
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Senior Software Engineer
Montreal, QC · On-site
Collaboration Job Summary We are seeking a talented and motivated Senior Software Engineer to ... DevOps teams on deployments and operational improvements * Build and operate services deployed on ...
The Senior Software Developer is responsible for design, development, testing and implementation of our tool kit in an innovative and dynamic technology environment. Working together with our CTO and ...
The Senior Software Developer is responsible for design, development, testing and implementation of our tool kit in an innovative and dynamic technology environment. Working together with our CTO and ...
The Senior Software Developer is responsible for design, development, testing and implementation of our tool kit in an innovative and dynamic technology environment. Working together with our CTO and ...
Quick apply
The Senior Software Developer is responsible for design, development, testing and implementation of our tool kit in an innovative and dynamic technology environment. Working together with our CTO and ...
Senior Software Developer information
What skills and qualifications are needed to thrive as a senior software developer?
What does a senior software developer do?
What is a senior software developer?
What is the difference between Senior Software Developer vs Software Engineer?
| Aspect | Senior Software Developer | Software Engineer |
|---|---|---|
| Credentials | Bachelor's degree in CS or related field; experience often 5+ years | Bachelor's or higher in CS or related field; similar experience levels |
| Work Environment | Collaborates on complex projects, mentors juniors, leads technical efforts | Designs, develops, tests software; may work on specific modules or systems |
| Industry Usage | Commonly used in tech companies, startups, and enterprise firms | Widely used across industries, often interchangeable with developer roles |
The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

Full-time
This job post has expired 2 days ago. Applications are no longer accepted.
Job description
Our platform identifies and vets top talent through an AI recruiter, enabling high-quality expert contributions at scale. We aim to enable 1 billion people to do meaningful work by applying their expertise to AI. As our global expert network grows, micro1 is building the human intelligence layer for frontier AI.
Job Title: Senior Software Engineer
Job Type: Contractor (~15 hrs a week)
Location: Remote
Job Summary: In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
As an expert you will be creating Reinforcement Learning Environments which test an AI model’s ability to solve complex software engineering problems using Model Context Protocol (MCP) tools. Tasks may involve fixing bugs, implementing features, refactoring code, or optimizing performance while requiring agents to discover and reason over information from real MCP servers. You will design reproducible environments, deterministic verification, and golden reference solutions that accurately measure both MCP tool use and software engineering ability.
Required Skills and Qualifications:
- Proficiency in C++, Python, JAVA, GoLang, Typescript, or Rust.
- Deep understanding of algorithms, data structures, and performance tuning.
- Demonstrated experience in debugging complex software issues and delivering maintainable solutions.
- Strong background in feature development and codebase refactoring.
- Proven ability to optimize software for performance and scalability.
- Exceptional written and verbal communication skills, with a keen attention to detail.
- Track record of success in collaborative, cross-functional teams, ideally in remote settings.
Preferred Qualifications:
- Previous experience working on large-scale, distributed codebases.
- Familiarity with modern AI or machine learning systems is a plus, though not required.
- Background in participating in rigorous code reviews and contributing to the development of software best practices.
Process:
- Apply to the role, filling out the screening questions
- Complete AI Interview (approx. 30 minutes)
- Technical Assessment (Tentative)
- Hiring Manager review
Compensation Structure
Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expert’s experience and workflow. Minimum submission requirements apply. Experts must submit a minimum of tasks per week.
Start Timeline & Availability
We typically fill roles within 48 hours and are looking for experts ready to jump in right away. If selected, we expect you to start your first tasks within 24–48 hours of completing onboarding.
About micro1
Sourced by ZipRecruiter
Industry
Software development
Company size
11 - 50 Employees
Headquarters location
Palo Alto, CA, US