PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
Save
Mark Applied
Hide
Software Engineer II - Python
Nashua or New Hampshire or United States
$79k-$135k/yr HybridFull Time
2+ YOEBachelor's degree (or equivalent) and 2+ years experience; proficient in Python, C#, Node.js or Google Go; strong OOP, technical communication, TDD/CI-CD familiarity, and ability to work cross-functionally. Must be U.S. person and able to obtain Secret clearance.
Python, C#, Node.js, Google Go, MySQL, PostgreSQL, MongoDB, Cassandra, Istio, Linkerd, Prometheus, Grafana, ELK stack, Kubernetes, TDD, CI/CD
3w
Save
Mark Applied
Hide
Principal Software Engineer (Python, Oracle, AWS)
Merrimack or Boston or Jersey City or Smithfield or Westlake
$107k-$216k/yr OnsiteFull Time
5+ YOEBachelor's or Master’s in Computer Science or related field, 5+ years industry experience, strong Python expertise, experience deploying production systems at scale, cloud and microservices knowledge, GenAI/LLM production experience preferred.
Python, Oracle, AWS, PEP8
3d
Save
Mark Applied
Hide
Software Engineer
Londonderry, New Hampshire, United States
OnsiteFull Time
10+ YOEDegree in CS or related field, 10+ years software development, strong modern C++ and C# skills, Python scripting, Linux/Windows development, Git and Docker experience, strong troubleshooting and communication skills.
C++, C#, Python, Docker, Git, OpenCV, SQL, Linux, Ubuntu, Windows
3w
Save
Mark Applied
Hide
Software Engineer 3
Westford, Massachusetts, United States
$121k-$229k/yr HybridFull Time
5+ YOEBachelor's degree in CS or related, 5+ years software engineering or testing experience, strong TCP/IP networking knowledge, test automation experience, scripting with Python/Perl/Robot Framework, Linux familiarity, strong communication and troubleshooting skills.
Python, Perl, Robot Framework, Linux
3w
Save
Mark Applied
Hide
Software Engineer 3
Westford, Massachusetts, United States
$121k-$229k/yr HybridFull Time
5+ YOEBachelor's or Master's in CS/CE/IS or related; 5+ years software engineering/testing/networking; strong TCP/IP knowledge; experience building/maintaining automated test frameworks; programming with Python, Perl, Robot Framework; familiarity with Linux and CI/CD.
Python, Perl, Robot Framework, Linux, CI/CD
3w
Save
Mark Applied
Hide
Software Engineer 3
Westford, Massachusetts, United States
$121k-$229k/yr HybridFull Time
5+ YOEBachelor's or Master's in CS/CE/IS or related field; 5+ years software engineering/testing experience; strong TCP/IP knowledge; experience with automated test frameworks and scripting (Python, Perl, Robot Framework); Linux, CI/CD familiarity; strong troubleshooting and communication skills.
Python, Perl, Robot Framework, Linux, CI/CD
3d
Save
Mark Applied
Hide
Software Engineer I
Nashua, New Hampshire, United States
$65k-$110k/yr HybridFull Time
1+ YOE1+ years software development experience (C#, Python preferred), ability to obtain Secret clearance, automated testing experience, strong communication, and degree in CS/EE or related.
C#, Python, NI TestStand, Git, Kubernetes, Pandas, NumPy, Matplotlib, SCPI
3mo
Save
Mark Applied
Hide
2026 Entry Level Software Engineer
Hudson or Nashua or Merrimack or Manchester or New Hampshire or United States
$79k-$135k/yr OnsiteFull Time
0+ YOEMS in Computer Science/Computer Engineering required; less than 1 year professional software engineering experience; proficiency in C, C++, Java or Python; OOAD knowledge; ability to obtain Secret clearance; U.S. person required.
C, C++, Java, Python, Object Oriented Analysis & Design (OOAD)
5d
Save
Mark Applied
Hide
Software Engineer II
Merrimack, New Hampshire, United States
OnsiteFull Time
2+ YOEBachelor's degree in engineering or computer science, 2+ years related experience, proficiency in C/C++ and Python, experience with embedded/real-time systems preferred, ability to obtain SECRET clearance.
C, C++, Python, OpenCL
3mo
Save
Mark Applied
Hide
Senior CAM Software Engineer
White River Junction, Vermont, United States
$100k-$130k/yr RemoteFull Time
5+ YOE5+ years software development experience; strong in C++ and Python; CAM/CAD algorithms; CNC knowledge.
C++, Python, Geometric Modeling, 3D Algorithms
2d
Save
Mark Applied
Hide
Senior Software Engineer - GPU Local AI Platforms
Santa Clara or Austin or Westford or Durham or Seattle
$224k-$431k/yr OnsiteFull Time
12+ YOE12+ years software engineering experience with GPU computing or ML systems, strong Python or C++ skills, GPU kernel optimization (CUDA/Triton), container engineering, and LLM inference knowledge.
Python, C++, CUDA, Triton, Docker, OCI, NVIDIA Container Toolkit, NCCL, RCCL
2w
Save
Mark Applied
Hide
Data/Cloud Software Engineer
Merrimack, New Hampshire, United States
$57k-$121k/yr OnsiteFull Time
3+ YOE3+ years software development experience with SQL, Python, AWS; experience with large datasets, data engineering/ETL, CI/CD, and strong analytical and communication skills.
SQL, Python, Amazon Web Services, CI/CD, GenAI
2w
Save
Mark Applied
Hide
BIOS Software Engineer
Nashua, New Hampshire, United States
OnsiteFull Time
2+ YOEExperience developing firmware, BIOS and boot loader software; expert C programming; familiarity with C++/Python, Linux kernel, and x86/ARM architectures; BS/MS/PhD in CS/EE/CE or equivalent experience.
C, C++, Python, Linux kernel, EOS, x86, ARM
2w
Save
Mark Applied
Hide
Principal Software Engineer – Algorithm Team
Merrimack, New Hampshire, United States
OnsiteFull Time
6+ YOEBachelor's degree plus 6 years (or Master’s plus 4) experience, Secret clearance (within 2 years), machine learning/algorithm development, embedded/software development in C++/Python/Java, EM/EO experience preferred.
C++, Python, Java, CUDA, Open CL
1mo
Save
Mark Applied
Hide
Senior Control Software Engineer
Devens, Massachusetts, United States
$140k-$200k/yr HybridFull Time
Bachelor's in a relevant engineering field required; several years experience with industrial or embedded control systems and production-quality control software; proficiency with Python and a real-time control language (C++, SCL/ST, Rust); CI/CD and git experience; ability to lift 50 lbs and work nights/weekends/on-call occasionally.
PLCs, real-time Linux, Python, C++, SCL/ST, Rust, Beckhoff TwinCat, Linux, EtherCat, Profinet, Modbus, IP/UDP, CI/CD, git, unit testing, integration testing
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Andover or Boston or New York or Chicago or Menlo Park or Manchester or London or Tokyo
$140k/yr OnsiteFull Time
6+ YOE6+ years building production applications; experience with JavaScript/Node.js and/or Python, PostgreSQL/MySQL, AWS, API integrations, full-stack development, modern/AI-assisted dev tools; authorized to work in the US.
Javascript, Node.js, Python, PostgreSQL, MySQL, AWS, AI-assisted development tools, NetSuite APIs, APIs
2w
Save
Mark Applied
Hide
Embedded Software Engineer II
Westford, Massachusetts, United States
$94k-$141k/yr HybridFull Time
0+ YOEBachelor's degree in engineering or CS, 0–3 years embedded software experience, proficiency in C/C++, embedded Linux/RTOS, Git, debugging, and strong communication and problem-solving skills.
C, C++, embedded Linux, RTOS, Git, FreeRTOS, ThreadX, Zephyr, Python, oscilloscopes, logic analyzers, JTAG debuggers
1w
Save
Mark Applied
Hide
Specialist Software Engineer (41023)
Northampton, Massachusetts, United States
$97k-$180k/yr OnsiteFull Time
4+ YOE4+ years embedded software experience with C/C++, embedded Linux, kernel/driver work, video interfaces, Git, and hardware interfacing; bachelor's degree or equivalent experience required.
QT, C, C++, Linux, Git, GenICam, GigE Vision, Camera Link, UART, SPI, I2C, CAN, Python, CI/CD
2w
Save
Mark Applied
Hide
Software Quality Assurance Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
5+ YOE5+ years software quality or development experience with ≥2 years in FDA-regulated environments; Bachelor in CS/Software Engineering; knowledge of IEC 62304, ISO 14971, FDA cybersecurity; automation-first testing skills.
Go, Java, Python, Terraform, Ansible, Playwright, pytest
3d
Save
Mark Applied
Hide
Senior Principal Software Engineer
Westford, Massachusetts, United States
$132k-$252k/yr HybridFull Time
10+ YOEU.S. citizen with active transferable Secret clearance, STEM degree with 10+ years (or advanced degree with 7+ years), experience with C++/Java/Python/TypeScript, system integration, travel up to 25%.
C++, Java, Python, TypeScript, Docker, Kubernetes
Explore Jobs