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Norwalk • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Norwalk • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Norwalk • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Norwalk • 50 milesRemote · Hybrid · Onsite · Field · All Environments

306 backend java developer jobs at 145 companies in Norwalk, CT

PromotedHiringCafe

Founding Backend / Infra Engineer

Cupertino, CA, US

$160k-$300k/yr On-SiteFull Time

HiringCafe

HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.

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

Help us #BeatIndeed & #BeatLinkedIn

PromotedHiringCafe

Founding Full-stack / Product Engineer

Cupertino, CA, US

$130k-$300k/yr On-SiteFull Time

HiringCafe

HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.

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

Help us #BeatIndeed & #BeatLinkedIn

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Java Backend Developer

New York, New York, United States

$100k-$130k/yr HybridFull Time, Contract

Talan

Talan: Provides international consulting and technology transformation services.

5+ YOEBachelor's degree required; 5+ years Java development experience with Java 21; backend and REST API development; Linux, multithreading, distributed systems, Git, and strong debugging skills.

Java 21, AutoSys, Git, Python, KDB, Linux, REST

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3mo

Backend Java Developer - Vice President

Rutherford, New Jersey, United States

$142k-$213k/yr HybridFull Time

Citi

CitiNYSE: C: Global diversified financial services holding.

8+ YOE8+ years Java backend development (Java 17+), Spring ecosystem, SQL, data processing, TDD, static code analysis, microservices/event-driven architecture, strong communication; Bachelor’s degree or equivalent; Master's preferred.

Java 17+, Spring, Spring Boot, Spring Data, Spring Cloud, SQL, Maven, Gradle, SonarQube, Apache Spark, Apache Flink, Docker, Kubernetes, AWS, Azure, GCP, Generative AI (GenAI)

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Backend Java Developer - Vice President

Rutherford, New Jersey, United States

$142k-$213k/yr HybridFull Time

Citi

CitiNYSE: C: Providing global banking, investment, and wealth management services.

8+ YOE8+ years Java backend (Java 17+) experience; strong Spring (Boot/Data/Cloud), SQL, data processing, TDD, Maven/Gradle, SonarQube; microservices/event-driven architecture; GenAI tooling experience; bachelor\u0002s required, master\u0002s preferred.

Java 17, Spring Boot, Spring Data, Spring Cloud, SQL, Maven, Gradle, SonarQube, Apache Spark, Flink, Docker, Kubernetes, AWS, Azure, GCP, Generative AI (GenAI)

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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

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Blockchain Java Backend Developer

Jersey City, New Jersey, United States

$100k-$130k/yr OnsiteFull Time

Tata Consultancy Services

Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.

4+ YOEJava 8+, Spring Boot/Spring Cloud, microservices, blockchain integration (Ethereum/permissioned), SQL/NoSQL, message streaming, DevOps exposure; bachelor's in computer science and 4+ years experience.

Java, Spring Boot, Spring Cloud, gRPC, REST, PostgreSQL, MySQL, MongoDB, Cassandra, Redis, Elasticsearch, Web3j, Ethereum, Polygon, BSC, Hyperledger Fabric, Corda, Quorum, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, Azure DevOps, Azure, AWS, GCP, Kafka, RabbitMQ, Vault, KMS

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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

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Senior Backend Engineer – Java & AWS

Dallas or Coppell or Tampa or Jersey City

$75k-$150k/yr HybridFull Time

DTCC

DTCC: Provides post-trade infrastructure for the global financial services industry

6+ YOE6+ years experience building backend Java services with Spring/Spring Boot, cloud (AWS) knowledge, Unix/Linux, relational DBs (Postgres/Aurora), containerization (Docker/Kubernetes), messaging (Kafka), CI/CD, production support, and strong communication.

Java, Spring, Spring Boot, AWS, Unix, Linux, Postgres (Aurora), Docker, Kubernetes, Kafka, Snowflake, Angular, CI/CD

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Backend Engineer

New York City, New York, United States

$140k-$190k/yr OnsiteFull Time

Sheer Health

Sheer Health: A New York City-based delivering healthcare experiences through technology and data analytics.

3+ YOE3+ years full-stack software engineering; strong NodeJS; Go/Java backend; web tech; browser automation with Playwright/Puppeteer; in-office NYC Mon-Thu; strong problem-solving and communication.

NodeJS, Go, Java, JavaScript, TypeScript, HTML, CSS, Playwright, Puppeteer

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2mo

Backend Engineer

Milan or London or New York City

HybridFull Time

MDOTM

MDOTM: Develops AI software for institutional investment and portfolio management.

2+ YOEMid-level Java/Spring Boot developer with strong SQL/NoSQL, testing, and DevOps collaboration.

Java, Spring Boot, SQL, NoSQL, MySQL, MongoDB, JUnit, Mockito, Testcontainers, ActiveMQ, Kafka, GitLab, GitHub Actions, Jenkins, AWS, EC2, S3, Docker, Kubernetes, ISO 27001

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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

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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

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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

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2mo

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

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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

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Senior Backend Engineer - MoneyLion

New York, New York, United States

$158k-$179k/yr HybridFull Time

Gen Digital

Gen Digital: Provides cybersecurity, identity protection, and online privacy software solutions.

5+ YOESenior backend engineer with 5+ years, Java, Spring Boot, REST APIs, distributed systems, cloud (AWS), SQL/NoSQL, CI/CD, observability, testing.

Java, Spring Boot, REST, SQL, NoSQL, Kafka, SQS, Git, Docker, AWS, Kubernetes, CI/CD

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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

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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 foundation models for AI spatial reasoning and agency.

5+ YOE5+ years backend experience, strong Java and microservices skills, REST and distributed systems knowledge, MySQL/PostgreSQL experience, cloud (GCP/AWS), CI/CD, system design, and leadership/communication skills.

Java, MySQL, PostgreSQL, GCP, AWS, CI/CD, Redis, RabbitMQ, Kubernetes, Terraform, Salt, GitHub Actions, CircleCI, Electron, React, Redux, Styled Components, C#, C++, Swift, Kotlin

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Senior Backend Engineer

New York City, New York, United States

$140k-$180k/yr HybridFull Time

US Mobile

US Mobile: A mobile virtual network operator providing flexible cell phone plans.

7+ YOE7+ years Java/Spring Boot, REST APIs, messaging queues, NoSQL, AI tool integration, Git/CI/CD, agile, debugging and collaboration.

Java, Spring Boot, REST APIs, RabbitMQ, AWS SQS/SNS, MongoDB, Claude, Opencode, Git, CI/CD

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Sr. Backend Engineer

New York City or New Jersey

$160k-$190k/yr HybridFull Time

Sunbit

Sunbit: Financial technology platform for point-of-sale consumer financing.

5+ YOE5+ years software engineering experience, Bachelor's in CS or related, hands-on Kotlin/Java/Scala and Spring, relational and non-relational DBs (MySQL, MongoDB), microservices, message queues (Kafka/SQS/RabbitMQ).

Kotlin, Java, Scala, Spring Framework, MySQL, MongoDB, Kafka, SQS, RabbitMQ

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Senior Backend Engineer - Payroll - EST

New York City or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Illinois or Indiana or Kansas or Massachusetts or Maryland or Minnesota or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington

$170k-$220k/yr HybridFull Time

HiBob

HiBob: Cloud-based human resources management platform for mid-sized businesses.

6+ YOE6+ years backend software engineering; experience with Kotlin, Java, or Scala; relational DBs (PostgreSQL/MySQL); AWS; testing and TDD; owning features end-to-end and collaborating with product.

Kotlin, Java, Scala, PostgreSQL, MySQL, AWS

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