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
2w
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Java Software Engineer
Boston, Massachusetts, United States
$65-$95/hr OnsiteContract
5+ YOE5+ years software engineering experience preferred; expert in core Java and Spring Boot, SQL, AWS, Docker/EKS, Kafka/SNS/SQS, GIT, JUnit; CI/CD with Jenkins; strong analytical and communication skills.
Java, Spring Boot, SQL, AWS, EKS, Docker, GIT, Kafka, SNS, SQS, JUnit, Spring Boot Test Framework, Jenkins
2d
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Java, Python, Kong. API gateway, Core Java
Boston, Massachusetts, United States
$90k-$110k/yr OnsiteFull Time
4+ YOE4+ years hands-on Java/Python and Kong API Gateway experience; API lifecycle, troubleshooting, production support, documentation, and stakeholder management skills.
Java, Python, Kong API Gateway, REST APIs, CI/CD, ITIL
1mo
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Java Architect
Boston, Massachusetts, United States
$165k-$205k/yr OnsiteFull Time
Expert Core Java (v17+), microservices/Spring Boot, low-latency system design, messaging (Kafka/Solace/Aeron), Redis/Hazelcast, AWS and Linux; leadership, mentoring, and experience building algorithmic/ trading execution systems.
Core Java (v17+ preferred), Spring Boot, Spring Cloud, Docker, Kubernetes, Apache Kafka, Solace, Aeron, Redis, Hazelcast, SQL, NoSQL, AWS, Linux/Unix, GitHub Copilot, Claude Code, Jenkins, GitLab CI
1mo
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Software Engineer, Core Systems & Platform Services
Wilmington, Massachusetts, United States
$96k-$132k/yr HybridFull Time
0+ YOEBachelor's in Computer Science or related; 0–3 years professional software engineering experience; experience with robotics/automation; strong algorithms and data structures; proficiency in C#, Java, or Python; valid driver’s license; willingness to travel up to 10%.
C#, .NET, Java, Python
3mo
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Lead AI Engineer (AI Foundations, LLM Core and Agentic AI)
New York or Cambridge or McLean or San Francisco or San Jose
$197k-$246k/yr OnsiteFull Time
4+ YOEBachelor’s or Master’s in CS/AI/EE/CE with relevant experience; strong Python/Go/Scala/Java; cloud and AI optimization experience.
Python, Go, Scala, Java, AWS, Huggingface, VectorDBs, Nemo Guardrails, PyTorch
1mo
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Lead AI Engineer (AI Foundations, LLM Core and Agentic AI)
Cambridge or McLean or New York or San Jose or United States
$197k-$246k/yr OnsiteFull Time
2+ YOEBachelor's in CS/AI/EE/CE (4+ yrs) or Master's (2+ yrs). 4+ yrs programming in Python, Go, Scala, or Java. Experience with LLMs, model training/inference, vector search, cloud deployments, and AI system optimization.
AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, Python, Go, Scala, Java, C++, C#, Golang, AWS, Google Cloud, Azure
3mo
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Senior Software Engineer (Backend, Core & Ecosystem)
Boston, Massachusetts, United States
$150k-$215k/yr OnsiteFull Time
Extensive backend experience; API design; Postgres; Kafka; AWS; scalable systems; mentoring.
Java, Kafka, PostgreSQL, AWS, REST API, SQS
1mo
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Senior Lead AI Engineer (AI Foundations, LLM Core and Agentic AI)
New York City or McLean or Cambridge or San Jose
$251k-$286k/yr OnsiteFull Time
4+ YOEBachelor's in CS/AI/EE/CE +6 yrs or Master's +4 yrs; 6+ years programming with Python, Go, Scala, or Java; experience building and deploying large-scale AI/LLM systems, cloud platforms, and mentoring teams.
AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, Python, Go, Scala, Java, C++, C#, Golang, AWS, Google Cloud, Azure
2w
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Lead Quantitative Software Engineer / Front-Office Quant Developer, VP
Boston, Massachusetts, United States
OnsiteFull Time
Expertise in modern C++ and core Java, experience with Python, time-series databases and Linux; strong quantitative background in fixed income and derivatives; MS in Financial Engineering or BS in CS/Math preferred.
C++, Java, Python, kdb+/q, SQL, Linux, Boost, QuantLib, Nvidia CUDA, OpenCL, Git, Jira, CI/CD, NumPy, Pandas, STL
2w
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Lead Quantitative Software Engineer / Front-Office Quant Developer, VP
Boston, Massachusetts, United States
OnsiteFull Time
Expertise in modern C++ (C++20/23) and core Java; experience with Python, kdb+/q, SQL, Linux, Boost, QuantLib, and GPU programming; strong quantitative background in stochastic calculus, Monte Carlo, and calibration methods.
C++, Java, Python, kdb+/q, SQL, Linux, Boost, QuantLib, Nvidia CUDA, OpenCL, NumPy, Pandas, Git, Jira, CI/CD
5d
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Cybersecurity Research Engineer - RE/DSP
Bedford, New Hampshire, United States
$146k-$234k/yr OnsiteFull Time
8+ YOEAdvanced expertise in reverse engineering and digital signal processing, 8+ years experience with BS (or 6+ with MS/3+ with PhD), proficiency in C/C++/Java/Python/Go, OS and networking internals, modern development toolchains, Top Secret/SCI clearance and US citizenship.
C, C++, Java, Python, Go, Linux, MacOS, Windows, Git, subversion, CI/CD, GHIDRA, Hex-Rays IDA, Binary Ninja, Angr, Cuckoo sandbox, OllyDBG, WinDbg, Metasploit, Cobalt Strike, CORE, EMANE, MiniNet, Docker, Docker Swarm, Kubernetes, Terraform, AWS, Azure, OpenStack
2mo
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Advanced Software Engineer - Motion Planning
Wilmington, Massachusetts, United States
$149k-$205k/yr HybridFull Time
5+ YOE5+ years in Core Java; experience with reactive microservices or event-driven distributed systems; messaging platforms; Docker; robotics/automation; NoSQL/Redis; networking; unit testing; Agile; BS in CS/Engineering.
Java, Akka, Vertx, RxJava, ActiveMQ, RabbitMQ, Kafka, Docker, Redis, JUnit, Mockito
2mo
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Senior Software Engineer (Backend, Core & Ecosystem)
Boston, Massachusetts, United States
$150k-$215k/yr OnsiteFull Time
Significant backend experience; API design with REST and PostgreSQL; Kafka or SQS; scalable, reliable systems; well-tested code; collaboration; growth mindset.
Java, Kafka, Postgres, AWS, REST, SQS
2w
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Technology Consultant 2
Boston, Massachusetts, United States
$79k-$120k/yr OnsiteFull Time
Strong Core Java, microservices, Spring (Boot/MVC), AWS cloud, SQL and React JS experience; bachelor's degree or equivalent; ability to work full SDLC and collaborate across teams.
Java, AWS, React JS, Microsoft SQL Server, Spring Boot, Spring MVC, Struts, Oracle, PostgreSQL, MySQL, HTML5, CSS3, JSP
5d
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Cybersecurity Research Engineer - RE/DSP
Bedford, New Hampshire, United States
$146k-$234k/yr OnsiteFull Time
8+ YOEDegree in CS/CE/EE/Applied Math/Physics, minimum years vary by degree (BS:8,MS:6,PhD:3); expertise in reverse engineering and DSP; proficiency in multiple programming languages; Top Secret/SCI clearance and US citizenship required.
C, C++, Java, Python, Go, Linux, MacOS, Windows, Git, Subversion, CI/CD toolchains, GHIDRA, Hex-Rays IDA, Binary Ninja, Angr, Cuckoo Sandbox, OllyDBG, WinDbg, Metasploit, Cobalt Strike, CORE, EMANE, MiniNet, Docker, Docker Swarm, Kubernetes, Terraform, AWS, Azure, OpenStack
2mo
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Account Solution Engineer - Federal Civilian (All Levels)
McLean or Chicago or Boston or New York or Washington or Dallas or Atlanta or San Francisco or Herndon
$113k-$211k/yr RemoteFull Time
7+ YOE7+ years customer-facing solution/technical architecture experience; Salesforce Core knowledge; agentic AI fluency; federal/public sector experience.
Salesforce Core, Data 360/Agentforce, SQL, Python, Java, REST, GraphQL, LWC, Snowflake, Databricks, BigQuery, Tableau, Looker, Power BI
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