291 java backend engineer jobs at 151 companies in Ridgefield, CT

1w
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Java Backend Developer
New York, New York, United States
OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
Experience in Core Java, Spring Boot, microservices, REST API design, strong SQL knowledge, and software development lifecycle participation.
Java, Spring Boot, Struts, Microservices, MySQL, Oracle, PostgreSQL, SQL Server, REST
1mo
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Senior Java Backend Engineer
Atlanta or New York City
HybridFull Time
Miratech
Miratech: Provides digital engineering and IT consulting for global enterprises
8+ YOE8+ years Java development (8/11/17+), strong Spring Boot/Spring MVC/Hibernate experience, microservices and REST API design, SQL proficiency, solid OOP/data structures/algorithms, distributed systems and performance optimization.
Java, Spring Boot, Spring MVC, Hibernate, SQL, C++, Terraform, Ansible, REST
2w
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Sr Backend Engineer
San Francisco or New York
$167k-$219k/yr HybridFull Time
Quizlet
Quizlet: Digital learning platform providing study tools and flashcards.
4+ YOE4+ years backend or data engineering experience; strong SQL and data warehouse experience; proficiency in Python/Java/Scala; Elasticsearch/OpenSearch experience; experience building production data pipelines and backend services.
Elasticsearch, OpenSearch, SQL, Snowflake, BigQuery, Redshift, Python, Java, Scala, Airflow, Dagster, Prefect, dbt, REST, gRPC, Datadog, Prometheus, Grafana, Docker, Kubernetes, AWS, GCP, Azure, Spark, Kafka, Flink, FAISS, ScaNN, pgvector, LightGBM, XGBoost, BM25, HNSW, kNN
2mo
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Java Backend Developer, Assistant Vice President
New York, New York, United States
$121k-$182k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
4+ YOE4+ years experience developing Java backend services using Spring, TDD, microservices and SQL in Linux; strong problem solving, Agile experience, communication skills, and mentorship ability; bachelor's degree or equivalent experience preferred.
Java, TDD, Spring, Microservices, SQL, Linux, Angular, TypeScript, HTML5, CSS
20h
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Software Engineer Backend (Java)
New York, New York, United States
$180k-$220k/yr OnsiteFull Time
CLEAR
CLEARNYSE: YOU: Secure biometric identity platform for travel and venue access
3+ YOE3+ years backend development in Java, experience with cloud services, containerization, CI/CD, and strong communication and mentoring skills.
Java, Kafka, Postgres, AWS, Docker, Kubernetes, Github, Argo, Jenkins
1mo
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Senior Backend Engineer - Java
United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark
$152k-$194k/yr RemoteFull Time
Real
RealNasdaq: REAX: Technology-driven brokerage offering residential real estate and title services.
8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.
Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube
2mo
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Backend Engineer
Giv'atayim or Tel Aviv or New York City or London or Singapore or São Paulo
HybridFull Time
Personetics
Personetics: AI-powered personalized banking and financial guidance platform.
5+ YOE5+ years backend/platform engineering experience, 5+ years with Java, Kubernetes experience, SQL and relational DB knowledge, Python familiarity, leadership and platform design experience, practical experience with AI dev tools (e.g., Cursor).
Java, Python, Kubernetes, SQL, Cursor, CI/CD, Azure, AWS
2mo
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Sr. Backend Engineer
Jersey City or New Jersey or New York
$160k-$190k/yr HybridFull Time
Sunbit
Sunbit: Financial technology platform for point-of-sale consumer financing.
5+ YOE5+ years software engineering; Bachelor’s in CS or related; hands-on Kotlin, Java, or Scala; Spring Framework; relational and non-relational DBs (MySQL, MongoDB); microservices and message queues (Kafka, SQS, RabbitMQ); strong testing and observability.
Kotlin, Java, Scala, Spring Framework, MySQL, MongoDB, Kafka, SQS, RabbitMQ
1mo
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Backend Engineer
New York, New York, United States
$162k/yr HybridFull Time
Slang AI
Slang AI: AI-powered voice platform for restaurant guest communications and reservations.
3+ YOE3-5 years backend experience; strong JVM skills (Kotlin/Java/Scala); GraphQL, NoSQL/Firestore, Docker, GCP, Terraform; experience with Twilio/Dialogflow; test-driven development and debugging skills.
Kotlin, Java, Scala, GraphQL, Twilio, Dialogflow, React, TypeScript, Firestore, Docker, Google Cloud Platform, Cloud Functions, Pub/Sub, Terraform, Slack, GitHub
1mo
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Backend Engineer - New York, NY
New York, New York, United States
$145k-$183k/yr OnsiteFull Time
Atoms
Atoms: Building robotics and software to automate physical world industries.
2+ YOE2+ years software engineering experience; strong backend system design, APIs, data stores, and distributed systems; experience leading cross-team initiatives; hands-on coding in Java and Go; collaboration and mentoring skills.
Java, Go
5d
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Sr. Backend Engineer – Java/Spring Boot | Onshore
Texas or Chicago or New York City
$40k-$140k/yr OnsiteFull Time, Contract
Photon: A global digital modernization firm delivering enterprise-grade backend and platform engineering services.
7+ YOE7+ years backend development experience with Java and Spring Boot, event-driven systems using Kafka, PostgreSQL, cloud (AWS/GCP/Azure) experience, CI/CD and containerization, strong testing and debugging skills.
Java, Spring Boot, Apache Kafka, PostgreSQL, Redis, AWS, GCP, Azure
3w
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Senior Backend Engineer
Chemnitz or Berlin or London or Sydney or Tokyo or Prague or Minneapolis or Saint Paul or New York City
HybridFull Time
Staffbase
Staffbase: Provides an AI-powered internal communications platform for employees.
5+ YOE5+ years backend experience with Go (and Java/Kotlin preferred), strong problem solving, agile experience preferred, English proficiency, collaborative and quality-focused.
React.js, Javascript, Typescript, Tailwind CSS, Kotlin, Go, Java, MongoDB, Terraform, Docker, Playwright
3mo
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Senior Engineer, Backend
New York City, New York, United States
$160k-$250k/yr OnsiteFull Time
Linero
Linero: AI-native venture-backed software focused on national security and enterprise AI.
5+ YOE5+ years backend engineering; systems design; Python/Go/Java; API design; distributed systems; multi-tenant data isolation; security; NYC relocation.
Python, Go, Java
1mo
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Backend Engineer, Flag Delivery
Oakland or San Francisco or New York City or Boston or Seattle or Irvine or Los Angeles or Monterey or Santa Barbara or Santa Rosa or Austin or Portland or Philadelphia or Chicago or United States
$146k-$235k/yr OnsiteFull Time
LaunchDarkly
LaunchDarkly: Provides a feature management platform for software development teams.
5+ YOE5+ years backend engineering experience building/operating production distributed systems; strong programming in Go/Java/Rust; production debugging, observability, on-call experience; clear AI usage in engineering work.
Go, Java, Rust
3w
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Associate Backend Engineer
New York, New York, United States
$95k-$115k/yr HybridFull Time
Eulerity
Eulerity: AI-driven marketing automation for franchise and multi-location brands.
1+ YOE1–3 years backend development experience with at least 1 year in Java, experience using AI agents/LLMs, familiarity integrating third-party APIs, strong communication and problem-solving; based in NYC tri-state and available full-time.
Java, GitHub Copilot, Anthropic, Google, OpenAI, Claude, Cursor, LLMs
3w
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Senior / Lead Backend Engineer
New York City, New York, United States
$180k-$275k/yr OnsiteFull Time
General Intuition
General Intuition: Developing AI models that perceive and act in dynamic environments.
5+ YOE5+ years backend experience, strong Java and microservices skills, REST and distributed systems, MySQL/PostgreSQL, cloud (GCP/AWS), CI/CD and infrastructure as code experience.
Java, MySQL, PostgreSQL, Redis, RabbitMQ, Kubernetes, Terraform, Salt, GitHub Actions, CircleCI, Electron, React, Redux, Styled Components, C#, C++, Swift, Kotlin, GCP, AWS
3mo
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Senior/Staff Backend Engineer
New York or San Francisco
$170k-$220k/yr HybridFull Time
Casap
Casap: Building an AI-native disputes automation and fraud prevention platform with a mission to reduce fraud and streamline workflow for financial institutions.
6+ YOE6+ years in software development; at least 2 years with Go or Java in production; platform team/API/background services; end-to-end feature ownership; strong problem-solving and data structures knowledge; mentoring and technical leadership; strong communication.
Go, Java, CI/CD, microservices, backend development
1w
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Sr. Backend Engineer
New York or Sunnyvale or Berkeley Heights or Alpharetta
$128k-$216k/yr OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
10+ YOEBachelor's or equivalent,10+ years software engineering,Java/JVM and Spring Boot expertise,cloud-native/Kubernetes and Terraform experience,SQL/NoSQL schema design,REST API architecture,mentorship and on-call experience.
Java, Spring Boot, Kubernetes, Terraform, PostgreSQL, MySQL, Google Cloud Platform (GCP), GitHub Copilot, Cursor, Claude, ChatGPT
1mo
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Senior Backend Engineer, Markets Engineering
New York, New York, United States
OnsiteFull Time
Polymarket
Polymarket: A decentralized platform for trading on real-world event outcomes.
4+ YOE4+ years backend experience; strong proficiency in Python or Go; experience with distributed systems, data pipelines, event-driven architecture, automation, Linux production debugging, and integrations with external data sources.
Python, Go, Rust, Java, Kafka, Pulsar, RabbitMQ, Linux, AWS, GCP, containers
2mo
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Lead Java Software Engineer - Backend (VP)
New York, New York, United States
$150k-$210k/yr OnsiteFull Time
Morgan Stanley
Morgan StanleyNYSE: MS: Provides global investment banking, wealth management, and advisory services.
10+ YOE10+ years distributed systems; strong Java/Spring; Azure cloud; REST/GraphQL APIs; leadership; experience with FinTech apps.
Java, Spring, Spring Boot, Azure, Kafka, MongoDB, SQL, Snowflake, GraphQL, REST, Angular