242 software system engineer jobs at 132 companies in Limerick, PA

4d
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Controls System Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
ATS Corporation
ATS CorporationTSX: ATS: Provides advanced automation solutions and systems for global manufacturers.
3+ YOEBachelor's degree or post-secondary education in automation, computer science, electrical engineering, or electronics; 3+ years in controls engineering software; PLC, SCADA/HMI, Microsoft tools, English, and travel eligibility required.
Siemens TIA Portal, Siemens STEP 7, Rockwell, B&R, Siemens WinCC, Movicon, Microsoft Outlook, Microsoft Project, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, PLC, SCADA, HMI, FAT, SAT, IQ/OQ, PQ
2mo
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Software Systems Engineer
King of Prussia, Pennsylvania, United States
$73k-$129k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
US citizen with final Secret clearance required; experience in systems engineering (requirements/ICD development, subsystem design, or system/software modeling); familiarity with MBSE/Cameo (MagicDraw), DOORs, and DOD software CDRL development; strong communication skills.
Cameo Systems Modeler (MagicDraw), Cameo Enterprise Architecture, DOORs
1w
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Principal Software Engineer
Trenton, New Jersey, United States
$106k-$142k/yr OnsiteFull Time
NFI Industries
NFI Industries: A transportation and logistics providing supply chain and freight solutions and developing digital twin capabilities.
7+ YOEBachelor's in Information Systems/Computer Science/Engineering, 7+ years engineering or software development experience, strong Python and SQL skills, test-driven development, communication, autonomous work, project leadership.
Python, SQL, Supply Chain Guru, Llama.ai, NextMV, Gains, Sophus, Starboard, Optilogic, TMOD, Go
1w
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Principal Software Engineer
Lititz or United States
OnsiteFull Time
Listrak
Listrak: SaaS platform for unified retail marketing and cross-channel automation
12+ YOE12+ years software engineering experience; expert in scalable distributed systems, full-stack development, front-end frameworks, cloud-native apps, and technical leadership.
Vue.js, TypeScript, JavaScript, HTML, CSS, C#, .NET, Java, AWS, Kafka, Spark, Hadoop, Presto, GitHub Copilot, Claude Code, Codex
1w
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Staff Software Engineer
Philadelphia or United States
$169k-$192k/yr OnsiteFull Time
Obsidian Security
Obsidian Security: Provides cybersecurity and threat detection for enterprise SaaS applications.
8+ YOE8+ years software engineering experience; proficiency in Python, Go, TypeScript or SQL; backend, APIs, distributed systems, Postgres, AWS/GCP, Docker/Kubernetes, Kafka/Redis; strong system design and cross-team leadership.
Python, Go, TypeScript, SQL, Postgres, AWS, GCP, Docker, Kubernetes, Kafka, Redis, Grafana, Prometheus, GitLab CI/CD
1d
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
HybridFull Time
DrayNow
DrayNow: Real-time digital marketplace for intermodal freight shipping.
5+ YOEBachelor's degree in computer science, engineering, or related field; 5 years building software; 2 years AWS architecture; JavaScript, TypeScript, SQL, APIs, event-driven systems, and technical leadership.
Electronic Data Interchange (EDI), API, AWS, JavaScript, React, Node.js, Express, React Native, TypeScript, AWS Cloud Development Kit (CDK), Terraform, AWS Lambda, Amazon ECS, AWS Fargate, Amazon Aurora PostgreSQL, SQL, JSONB
1mo
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Lead Software Engineer-AI
Columbus or Wilmington
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
7+ YOE7+ years applied software engineering experience; strong system design and production engineering skills; proficiency in Python or TypeScript; experience with agent frameworks (e.g., LangChain, LlamaIndex), LLM API integration, cloud-native systems, and evaluating reliability/observability.
Python, TypeScript, LangChain, LlamaIndex, AutoGen, CrewAI, Cloud Foundry, GKP, Jules CI/CD, TrueCD, Sophia auth
2mo
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Senior Software Engineer
Arlington or Mount Laurel or San Diego or Fall River
$135k-$273k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated software and systems to rapidly deliver mission-critical capabilities to U.S. government customers.
7+ YOEBachelor's degree or equivalent, 7+ years software engineering experience, able to obtain/maintain Secret U.S. security clearance, experience leading/mentoring, expertise in SDLC, OOP, distributed systems, secure coding, testing, and integration.
SDLC, Service-Oriented Architecture (SOA), AI, Generative AI
2mo
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Lead Software Engineer
Newark, Delaware, United States
$128k-$201k/yr OnsiteFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
6+ YOE6+ years software engineering experience building cloud and edge systems; experience in regulated environments, secure development practices, QMS familiarity, AI integration, Agile and version control proficiency; degree in CS/SE/STEM.
Microsoft Azure, Google Cloud Platform (GCP), Agile
1mo
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Principal Software Engineer
Moorestown, New Jersey, United States
$128k-$218k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
8+ YOEBachelor's in engineering/computer science or equivalent, U.S. citizenship, ability to obtain Secret clearance, 8+ years software development experience in real-time/mission systems, experience with Java, C++, or Python, Linux/UNIX, and IDEs.
Java, C++, Python, Linux, UNIX, Eclipse, UML, Clearcase, JIRA, xUnit, Junit, CPPUnitLite, Assemblers
1w
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Senior System Engineer
Royersford, Pennsylvania, United States
OnsiteFull Time
Iron Mountain
Iron MountainNYSE: IRM: Provides secure storage and information management services globally.
5+ YOEOn-site IT engineer to support imaging center operations, manage hardware/software, handle escalations and on-call support, onboard customers, and improve processes; US citizen eligible for Public Trust required.
Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server 2016, SQL Database, Active Directory, Kofax, PowerShell
1mo
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Staff Software Developer
Canada or Philadelphia
$170k-$220k/yr RemoteFull Time
PENN Entertainment
PENN EntertainmentNASDAQ: PENN: Operates integrated casino gaming and online sports wagering platforms.
7+ YOE7+ years software engineering experience; strong CS fundamentals, distributed systems, PostgreSQL, GraphQL, gRPC, SQL, Kubernetes, observability (DataDog, Bugsnag); comfortable with Elixir, Java, Rust, TypeScript; testing framework experience; mentoring skills.
Elixir, Java, Rust, TypeScript, GraphQL, gRPC, SQL, PostgreSQL, Kubernetes, DataDog, Bugsnag, ExUnit, RSpec, Jest, pytest, AI
3w
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Senior Software Engineer, Backend FinPlatform
New York City or San Francisco or Salt Lake City or Los Angeles or Seattle or Austin or Washington or Philadelphia or San Diego or Chicago or Atlanta or Australia or Canada or South America
$146k-$215k/yr RemoteFull Time
Flex
Flex: A financial platform allowing renters to split monthly rent payments.
6+ YOE6+ years software engineering experience, 4+ years with Java, experience with backend systems, APIs, data pipelines, AWS, and distributed teams.
Java, Spring, Gradle, JUnit, JVM, AWS, EKS, Aurora RDS, Elasticache, DynamoDB, GitHub Actions, git, DataDog, Snowflake, CDK, Terraform
4d
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Embedded Software Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
ifm electronic
ifm electronic: Manufactures sensors and control systems for industrial automation.
3+ YOEBachelor's degree in a related engineering or computer field and 3+ years of embedded software experience; requires C/C++, microcontrollers, real-time systems, hardware interfaces, debugging, version control, and communication skills.
C, C++, I2C, SPI, DMA, UART, ARM Cortex-M, STM32, IO-Link, MODBUS, RS-485, MATLAB, Python, RTOS
6d
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Principal Software Engineer, Core Services
Wayne or Naperville
$160k-$185k/yr HybridFull Time
Frontline Education
Frontline EducationNYSE: ROP: Provides administrative and management software for K-12 school districts.
10+ YOE10+ years software engineering experience, bachelor’s in CS or equivalent, deep TypeScript/Node.js skills, cloud-native and distributed systems experience, leadership and mentoring experience.
TypeScript, Node.js, NestJS, EC2, Lambda, S3, SNS, SQS, Docker, Kafka, React, Kubernetes, GitHub Copilot, Claude Code, OpenAI Codex
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters
Urban OutfittersNasdaq: URBN: Retails fashion apparel, home goods, and subscription-based clothing rentals.
5+ YOE5-7 years software engineering experience with ~2 years senior-level responsibility; strong JVM (Java/Kotlin/Scala), microservices, Postgres/AlloyDB, cloud (GCP/AWS/Azure), Docker/Kubernetes, distributed systems, and AI tool usage.
Kotlin, Spring, Postgres, AlloyDB, Google Cloud Platform (GCP), AWS, Azure, Docker, Kubernetes, Java, Scala, Python, Go, Node/TypeScript, Kafka, Spark, Storm, ChatGPT, Claude, Cursor, Windsurf, Copilot
1w
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Senior Specialist - Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Nasdaq
NasdaqNASDAQ: NDAQ: Operates global electronic marketplaces and provides financial technology services.
6+ YOEBachelor's in CS/Information Systems or equivalent,6+ years software development experience,strong Java and OOD skills,EMR not applicable,clear communicator,experience with low-latency systems preferred.
Java, AWS, AI/ML
3w
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Staff Software Engineer
Princeton, New Jersey, United States
$219k-$258k/yr HybridFull Time
Noom
Noom: Digital health platform offering psychology-based weight management programs.
8+ YOE8+ years backend engineering experience at staff level, strong Java or Kotlin and Spring, distributed systems, relational databases, cloud infrastructure (AWS preferred), leadership and AI tooling experience.
Java, Kotlin, Spring, AWS
1d
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Senior Software Engineer
Atlanta or Austin or Baltimore or Boston or Charlotte or Chicago or Columbus or Dallas or Miami or Nashville or New York City or Philadelphia or Pittsburgh or Princeton or Raleigh or Tysons or Washington
$126k-$248k/yr RemoteFull Time
MongoDB
MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.
Full-stack engineering experience with scalable, highly available web applications and databases; collaboration and distributed-systems problem solving required. TypeScript, React, Node.js, WebSockets, Kubernetes, and microservices are advantageous.
MongoDB Atlas, MongoDB Compass, Atlas Data Explorer, TypeScript, React, Node.js, Kubernetes, AWS, Google Cloud, Microsoft Azure
1w
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Senior Software Engineer
Berwyn, Pennsylvania, United States
HybridFull Time
Envestnet
Envestnet: Provides an integrated wealth management technology platform for advisors.
7+ YOE7+ years backend engineering with Java/Python, 2+ years hands-on AI/ML, experience designing distributed transactional systems in regulated fintech, security/observability knowledge, and production incident handling.
Java, Python, Spring Boot, SQL, Kafka, Kubernetes, Docker, LangGraph, RAG, Vector Stores