Senior Python developer
System Soft Technologies
We are seeking a skilled and versatile senior Python Developer with 10+ experience to join our team on a W2 contract basis through System Soft Technologies . This role is designed for professionals currently authorized to work in the United States who prefer a stable, direct W2 employment structure.
The following information provides an overview of the skills, qualities, and qualifications needed for this role.
Note: This position is exclusively open to candidates eligible to work on a W2 basis. We are unable to accept C2C arrangements or process H-1B transfers for this specific opening.
Key Responsibilities
- Design & Development: Write clean, scalable, and efficient code using Python and modern web frameworks (e.g., Django, Flask, or FastAPI).
- API Integration: Build, maintain, and secure robust RESTful APIs and microservices.
- Data Management: Work closely with relational (PostgreSQL, MySQL) and non-relational (MongoDB, Redis) databases to optimize query performance and data pipelines.
- Cloud Infrastructure: Deploy and manage applications on cloud platforms such as AWS, GCP, or Azure using containerization tools like Docker and Kubernetes.
- Collaboration: Participate in Agile/Scrum ceremonies, collaborate with cross-functional teams, and contribute to code reviews and architectural discussions.
- Testing & Quality Assurance: Write unit and integration tests (using PyTest or Unittest) to ensure high code quality and reliability.
Required Qualifications
- Experience: 10+ years of professional software development experience with a strong focus on Python.
- Technical Stack:
- Proficiency in Python core concepts, asynchronous programming, and Object-Oriented Programming (OOP).
- Hands-on experience with modern backend frameworks (Django/Flask).
- Familiarity with front-end technologies (JavaScript, HTML5, CSS3) is a plus.
- Databases & Cloud: Demonstrated experience with SQL/NoSQL databases and cloud-hosted environments (AWS preferred). xhyhwjd
- Work Authorization: Must be legally authorized to work in the United States on a W2 basis (H1B Transfer compatible with direct W2 employment through System Soft Technologies).
- ...By joining our client's team as a Senior Machine Learning Engineer , you will play a pivotal... ...-world problems in clinical research. Develop advanced ML models and LLM-powered agents... ...at scale. You'll use technologies like Python (and Clojure), AWS services (Athena,...SeniorRemote work
- ...Founding Senior AI/ML Engineer – Generative AI & Agentic Systems Build From Zero. Own... ...with an ambitious AI technology startup developing a next-generation platform that... ...production systems. ~ Strong expertise in Python, machine learning, and modern AI frameworks...SeniorFull timeImmediate startRemote work
- ...this opportunity below, as well as required skills. Design, build, and maintain user-facing features using React Native. Develop secure, scalable backend services and APIs using Java. Integrate front-end components with backend services using REST APIs and...Suggested
- ...ML Engineer with 6+ years of experience and strong expertise in Python, LLMs, Generative AI, and Agentic AI. The role focuses on... ...multi-agent workflows. Roles & Responsibilities Design, develop, and deploy AI/ML solutions using Python and modern AI frameworks...SeniorFlexible hours
- ...SENIOR DATA SCIENTIST If you think you are the right match for the following opportunity... ...to lead state-of-the-art research and develop advanced multimodal imaging models for our... ...GCP). Solid engineering foundation in Python, GPU computing, Docker/Kubernetes , and...Senior
- You know Adobe. You know consulting. And you know how good this work can be when it's done right. Check below to see if you have what is needed for this opportunity, and if so, make an application asap. Better Digital hires exceptional Adobe practitioners throughout...SeniorImmediate start
- ...integrity robotics and automation safety programmes. This is a senior, client-facing technical leadership role supporting the... ...hazard analysis, risk assessment, and safety lifecycle delivery Developing safety requirements aligned to IEC 61508, ISO 13849, 13482, and...SeniorRemote workFlexible hours
$200k - $400k
...team of engineers and researchers who perform the full stack of model training to improve models every day. The company is developing advanced AI systems that can operate directly at the edge, bringing high-performance AI into demanding real-world environments without...SeniorRemote workWork from home- ...# PhD in Computer Science, Artificial Intelligence, Applied Mathematics, or Computational Materials Science. # Proficiency in Python and mainstream deep-learning frameworks (PyTorch, TensorFlow); materials-informatics or battery data-mining experience a plus....Senior
- ...We are seeking a Senior MLOps Engineer to join a centralized Data & Analytics Center of... ...strategies to resolve production model issues. Develop automated monitoring, alerting, and... ...related field. ~ Strong proficiency in Python and SQL. ~ Experience deploying,...Senior
$120k - $200k
...Our client is hiring a Senior AI Data Engineer (Agentic Systems) to build agentic AI systems... ...that map complex ERP relationships Develop agents that analyze and map legacy schemas... ...tuning Strong experience in Python, SQL, and modern data systems Experience...Senior- ...We are looking for a highly experienced Senior DFT MBIST Contractor to join our SoC Design... ...and verify MBIST at the top level. • Develop, execute, and debug MBIST simulations using... ...Experience with scripting (Tcl, Perl, or Python) to automate MBIST flows and debug. •...SeniorFor contractors
- ...meaningful impact in the financial advisory industry, we encourage you to apply to join us on our exciting journey! The Role As a Senior or Staff Quantitative Engineer, you'll build and own the optimizer at the center of the Seeds platform. Its inputs are accounts,...SeniorRemote work
- ...Senior Data Engineer (B2B) Permanent, Direct Hire 100% Remote within the US Increase your chances of reaching the interview stage... ..., along with intermediate to advanced programming skills in Python. • Strong experience with dbt or an equivalent transformation...SeniorPermanent employmentRemote work
$140k - $210k
...Senior Machine Learning Engineer Remote, United States Skills, Experience, Qualifications... ...Learning organization responsible for developing and operating the models that power real... ...machine learning workloads using Python, SQL, and Spark Own models throughout...SeniorPermanent employmentTemporary workH1bRemote workVisa sponsorshipWork visa- ...expanding its quantitative analytics team and is looking for a Senior Associate focused on Battery Energy Storage Systems (BESS) Modeling... ...for: ~3+ years of quantitative modeling experience ~ Strong Python programming skills ~ Experience with optimization tools (...Senior
- ...candidates. ScolerTec is seeking multiple Senior Data Migration Engineers to support a... ...conversion, and archival activities. Develop migration strategies, schedules,... ...validation and reconciliation using SQL, Python, Bash, or similar technologies Design...SeniorRemote work
- ...set research direction, inform data collection and annotation, develop the core modeling architectures, and work with a high-caliber team... ...in a tight partnership with product and engineering. As a senior member of the team you'll recruit, mentor, and set the bar for...Senior
- ...below to send your CV and application.RemoteOur client seeks a Senior Information Security Engineer to operate and maintain an LLM-based... ...and make guided modifications to Terraform and scripting in Python or equivalent.Basic understanding of application security concepts...SeniorShift workNight shiftRotating shift
- ...recognized management and technology consultancy to identify talented Senior Data Engineers. Our client specializes in delivering... ...Solid programming skills in SQL and scripting languages like Python or PowerShell for automation. Experience with cloud data platforms...SeniorPermanent employmentFull timeRemote workMonday to ThursdayAfternoon shift
$220k - $240k
...Senior Software Engineer - HealthTech Like the look of this opportunity Make sure to... ...the existing platform. Tech Stack Python | TypeScript | AWS | PostgreSQL | React... ...applications using Python and TypeScript Develop backend services, APIs and integrations within...Senior$140k - $160k
...them a data change, not an engineering project. This is a Senior-level role: you set the direction for this layer. What you'... ...rebuild it—or not—and brought other engineers along. Production Python and care with regulated data. You write typed, tested...SeniorRemote work$210k
...Runtime is hiring on behalf of our client, a fast-growing AI developer tools company redefining how the world's most ambitious engineering... ...this team is AI-first and means it What you'll bring: Python and TypeScript - production grade, not tutorial level Real...SeniorRemote work- ...Senior Applied AI Research Engineer Voicegain · Fully remote · Compensation competitive for your market Below covers everything... ...done real work in at least one. A real engineer. Excellent Python. You can navigate a large Java or C++ codebase and ship production...SeniorRemote work
$250k - $275k
...Senior Technical Account Manager Identity Security Startup Location: United States... ...that feed directly into the platform Develop novel customer use cases and operational... ...and security posture management ~ Strong Python scripting and automation skills ~ A clear...SeniorRemote work- ...devices (SiC/GaN); and device-to-system multiphysics models. # Develop and optimize advanced control algorithms — digital, nonlinear,... .../MOSFET/SiC/GaN), magnetics, and gate-drive knowledge; C/C++/Python. ???(Ampace)??????????????,???????????????????,??????????...SeniorInternship
- ...hardware design and verification processes. Responsibilities: Develop and implement testbenches using System Verilog and UVM.... ...oriented environment. Knowledge of scripting languages such as Python or Perl. Equal Opportunity Statement: We are an equal...Senior
$150k - $230k
...Senior Application Security EngineerRemote across the US and Canada | Full-time | Salary... ....js and React application, alongside Python, Terraform, AWS and Cloudflare infrastructure... ...a credible software engineer. Someone developers will want involved before something...SeniorFull timeRemote work- ...property, credentials, and other business-critical information. Develop and maintain inventories and data-flow mappings that show where... ...Ability to write automation or production-quality scripts in Python, PowerShell, Go, or a similar language. Experience tuning...SeniorPermanent employmentContract workRemote work
- ...The Senior AI & Data Platform Engineer is responsible for building, owning, and supporting... ...of data platform work currently being developed by an external consulting partner, evaluate... ...landscape changes. Advanced proficiency in Python and SQL, and in modern software...SeniorFor contractorsWork experience placementCasual workWork at officeImmediate startRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Python developer. Be the first to apply!
- full stack / python developer (remote) United, PA
- senior business development United, PA
- senior devops engineer remote United, PA
- senior information technology project manager United, PA
- senior vmware engineer United, PA
- sr electrical engineer United, PA
- sr marketing manager United, PA
- senior dynamics crm developer United, PA
- senior development executive United, PA
- senior director United, PA


