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
3w
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Senior Software Engineer
Chelmsford, Massachusetts, United States
$107k-$130k/yr HybridFull Time
5+ YOE5+ years professional application development; BA/BS or equivalent; experience with cloud (AWS), NoSQL and relational databases, microservices, containerization, serverless, CI/CD and IaC; SDKs in C#, Swift, Java/Kotlin; desktop (C#/WPF) and mobile (Swift/Java/Kotlin) development; HTML/CSS/JavaScript and SPA frameworks; automated testing; familiari...
AWS, NoSQL, Relational Database Systems, microservices, containerization, serverless, event-driven programming, CI/CD, Infrastructure as Code (IaC), C#, Swift, Java, Kotlin, WPF, HTML, CSS, JavaScript, .NET Core, .NET Framework, SQL, SPA
1mo
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Principal Software Engineer/Developer
Merrimack, New Hampshire, United States
OnsiteFull Time
3+ YOEBachelor's (5 yrs) or Master's (3 yrs) in CS/Engineering/IT/IS and experience developing Java/Spring Boot/REST/SOAP applications; expertise with SQL/PLSQL, Kafka, AWS, CI/CD, Jenkins, Git, Bitbucket, Maven, testing frameworks, Jira, Confluence.
REST, SOAP, Java, SQL, PLSQL, Kafka, JavaScript, Amazon Web Services (AWS), Spring Boot, Jenkins, Jira, Confluence, Cucumber, JUnit, Sonar, Karate, GIT, Bitbucket, Maven
2mo
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Application Developer, Senior
Washington or Orlando or Fort Meade or Minneapolis or Huntsville or Dayton or San Diego or Fort Sheridan or Devens or Norfolk or Millington or Phoenix or Fort Worth or Peterson AFB or Buckley AFB or Belle Chasse or Fort Leavenworth or MacDill AFB or San Antonio or Tampa or Quantico or Lackland AFB or Yorktown or Reston or Camp Parks
$87k-$198k/yr HybridFull Time
10+ YOENode.js with TypeScript, SQL, PostgreSQL, Redis, Elasticsearch; TS/SCI with poly; Bachelor's with 10+ years or Master's with 8+ years in application or software development; collaborative team player; testing and maintenance ability.
Node.js, Typescript, SQL, PostgreSQL, Redis, Elasticsearch, JSON, Java, JavaScript
1w
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Principal Software Engineer/Architect
Lowell, Massachusetts, United States
$164k-$236k/yr HybridFull Time
10+ YOE10+ years software development experience, proven architect experience, Java and cloud expertise, observability and CI/CD experience, experience with databases, analytics, messaging, and LLM/AI technologies; BS/MS in CS or equivalent.
Java, Datadog, Grafana, GCP, AWS, Azure, Kubernetes, SQL Server, PostGres, MySQL, MongoDB, Cassandra, BigQuery, Snowflake, Tableau, Looker, Kafka, RabbitMQ, Apache Beam, Spark, Boomi, LLM
3mo
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Sr. Software Engineer - Backend
Lowell, Massachusetts, United States
$86k-$159k/yr HybridFull Time
7+ YOESenior backend developer with 7+ years of cloud-focused experience; proficient in Go, Python, Node.js, Java, and databases; strong background in microservices, APIs, DevOps, and security.
Go, Python, Node.js, C++, Java, AWS, Azure, Google Cloud, EC2, Lambda, S3, CloudFormation, MySQL, PostgreSQL, MongoDB, Redis, Cassandra, gRPC, REST, GraphQL, Docker, Kubernetes, CI/CD
1w
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Software Solutions Engineer
Andover, Massachusetts, United States
$75k-$95k/yr HybridFull Time
3+ YOEMid-level software engineer with strong problem-solving, experience with C#, JavaScript, SQL, web application development; able to collect requirements, develop, test, and customize product for customers.
C#, JavaScript, SQL, Aras Innovator
2mo
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Software Engineer
Franklin, Massachusetts, United States
$130k/yr OnsiteFull Time
5+ YOE5+ years in product development with multi-threading; strong OOD/OOP, motion controllers; SQL/DB design; OCR/vision a plus; excellent English; Agile; C/C++/C#/Python; Windows OEM software.
C, C++, C#, Python, SQL
3w
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Senior Software Engineer - Equipment Controls
Wilmington, Massachusetts, United States
$140k-$200k/yr OnsiteFull Time
7+ YOE7+ years developing C++ and C#/.NET software for hardware-adjacent, real-time, or industrial automation systems; BS in related field (or equivalent); experience debugging machine behavior, OO design, HMI development, industrial I/O, and using AI developer tools.
C++, C#, .NET, EtherCAT, PMAC/Delta Tau, PLC, IntervalZero RTX, TwinCAT, Beckhoff, Delta Tau, Galil, ACS, PostgreSQL, Python, RTOS, HMI, SQL, Codex, Claude, Copilot, Oscilloscope, Logic Analyzer, Multimeter
1mo
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Senior Software Engineer
Merrimack or Smithfield
OnsiteFull Time
Senior software engineer with RESTful APIs, JavaScript frameworks, databases, SDLC, CI/CD, mentoring, and strong OO design.
JavaScript, Angular, AngularJS, Backbone.js, React.js, CSS3
1mo
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Full-stack Software Engineer I
Nashua, New Hampshire, United States
$65k-$110k/yr HybridFull Time
0.5+ YOEBachelor's in Computer Engineering/Computer Science, ability to obtain US Secret clearance, 6+ months professional programming experience (UI, web services, microservices, databases). Skills with Node.js/Google Go/Python, relational and non-relational databases, microservices, Kubernetes, and cloud-native deployment.
Node.js, Google Go, Python, Kubernetes, MySQL, PostgreSQL, MongoDB, Cassandra, Istio, Linkerd, Prometheus, Grafana, ELK stack, Test-Driven Development (TDD), CI/CD
2w
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System Development Engineer, Blink
North Reading, Massachusetts, United States
$129k-$175k/yr OnsiteFull Time
5+ YOE5+ years professional software development experience; experience with AWS, Linux/Unix, CI/CD pipelines; system design/architecture and distributed systems experience; familiarity with databases and SQL.
AWS, Linux/Unix, CI/CD pipelines, SQL
2d
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Integrations Developer
Durham or Keene or Plymouth or Concord
$70k-$125k/yr OnsiteFull Time
3+ YOE3–5 years experience in application integration or middleware, Bachelor's degree required, experience with APIs, SQL Server, ETL, and enterprise integrations; strong communication and SDLC knowledge.
GIT, JavaScript, Java, SQL, SOAP, REST, WSQL, C/C++, Workday Studio, Workday Orchestrate, Extend, Workday Reports, EIB, XML, XSL, JSON, PowerFAIDS, TDClient, ISIR, COD
1mo
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Senior Full-Stack Software Engineer - VLSI Tools
Santa Clara or Durham or Austin or Westford
$152k-$288k/yr HybridFull Time
5+ YOE5+ years experience, BS/MS in CS or related (or equivalent experience), knowledge of VLSI design, JavaScript/Node.js, modern frontend frameworks, distributed microservices, databases, OOP, data structures and algorithms.
JavaScript, Node.js, Vue.js, React.js, Svelte, Ember.js, SQL, MongoDB, Python, Golang, Cursor, Claude Code, Co-pilot
1mo
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Senior Full-Stack Software Engineer - VLSI Tools
Santa Clara or Westford or Austin or Durham
$152k-$288k/yr HybridFull Time
5+ YOE5+ years experience; BS/MS in Computer Science or related (or equivalent experience); knowledge of VLSI design; JavaScript, Node.js, modern frontend frameworks; distributed microservices, databases, algorithms; strong communication.
JavaScript, Node.js, Vue.js, React.js, Svelte, Ember.js, Cursor, Claude Code, Co-pilot, SQL, MongoDB, Python, Golang
3w
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Machine Learning Engineer
Manchester, New Hampshire, United States
OnsiteFull Time
6+ YOEM.S. in CS/AI, 6+ years backend/distributed systems experience, strong Java (Spring Boot, Spring MVC, Hibernate) and Python skills, production ML (PyTorch), Apache Kafka/Spark/ZooKeeper, databases (Oracle, IBM Db2, MSSQL, MongoDB), cloud (AWS).
Java, Spring Boot, Spring MVC, Hibernate, Python, PyTorch, Apache Kafka, Apache Spark, ZooKeeper, REST, SOAP, Oracle, IBM Db2, MSSQL, MongoDB, AWS
1w
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Senior Software Engineer- Cable Backplane Systems
Valley Green or Nashua or Raleigh or Austin
OnsiteFull Time
8+ YOEBS in CS/CE required (MS preferred); 8+ years software engineering experience with large-scale data platforms, databases, pipelines, APIs, analytics/AI/ML workflows, technical leadership, and mentoring.
MES, APIs, CI/CD, AI/ML
1w
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Senior Software Engineer- Cable Backplane Systems
Yocumtown or Nashua or Raleigh or Austin
OnsiteFull Time
8+ YOE8+ years software engineering experience, BS in CS/CE (MS preferred), experience designing large data platforms, APIs, databases, pipelines, EM/ML workflows, and technical leadership/mentoring skills.
MES, APIs, CI/CD, AI/ML
6d
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Java Backend Engineer (Onsite Hybrid)
Merrimack, New Hampshire, United States
$97k-$145k/yr HybridFull Time
10+ YOE10+ years Java experience, 6+ years Spring/Spring Boot, 5+ years cloud (Microsoft Azure preferred), 6+ years REST/microservices, CI/CD, database and testing tool experience.
Java, Spring, Spring Boot, Microsoft Azure, RabbitMQ, Kafka, Service Bus, Oracle, Postgres, Jenkins, JUnit, Cucumber, Selenium
3mo
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Senior Software Systems Engineer (5797)
Newington, New Hampshire, United States
OnsiteFull Time
Master's degree in STEM; strong C++, C#, SQL; REST/OpenAPI; Linux development; web tech (ReactJS); software design, testing, and security knowledge.
C++, C#, SQL, ReactJS, RESTful APIs, OpenConfig, Linux, Red Hat, OpenAPI
1mo
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Intern Conversion: Software Developer
Poughkeepsie or Lowell or Durham or Bellevue or San Jose or Dallas
$88k-$152k/yr HybridFull Time, Internship
Must be currently enrolled in a Bachelor’s or Master’s in Computer Science or related field, available for an in-person full-time co-op (Jan–Jun 2026). Familiarity with HTML, CSS, JavaScript, React/Angular/Vue, backend tech (Node.js/Java/Python/SQL), Git/IDEs, APIs, containers, and cloud platforms. Must be able to work without visa sponsorship.
HTML, CSS, JavaScript, React, Angular, Vue, Node.js, Java, Python, SQL, Git, IDEs, APIs, IBM Cloud, AWS, Microsoft Azure, Linux, Unix, GO, NodeJS, Eclipse, Microsoft Visual Studio Code, PostgreSQL, MySQL, Db2, Oracle, SQL Server, Jenkins, Puppeteer, Selenium, Playwright, Cypress, Travis, REST API
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