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122 trading systems developer jobs at 83 companies in Fairfield, CT

3w
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Trading Systems Engineer
Austin or Boulder or Chicago or London or New York City
$150k-$250k/yr OnsiteFull Time
Hudson River Trading
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
7+ YOE7+ years supporting live production trading environments; expert Linux administration; experience with SaltStack/Puppet/Ansible/Chef/CFEngine; advanced automation with Python and bash; production troubleshooting, benchmarking, and on-call support.
Linux, Debian, Ubuntu, SaltStack, Puppet, Ansible, Chef, CFEngine, Python, bash, JIRA, AWS, GCP
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Trading Production Engineer
New York City, New York, United States
$200k-$250k/yr OnsiteFull Time
Jump Trading
Jump Trading: Global proprietary trading firm specializing in algorithmic and high-frequency strategies
Experience troubleshooting and scripting production systems using Python, Linux, and Bash; monitoring, automation, and strong verbal/written communication; prior trading experience preferred.
Python, Linux, Bash
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Trading Platform Engineer, Systematic Technology
Chicago or London or New York
$150k-$250k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
Experience in production engineering/SRE or application support for real-time trading systems; strong monitoring, incident response, troubleshooting, automation, and collaboration skills.
Python, SQL, Linux
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Trading Platform Engineer, Systematic Technology
London or New York or Chicago
$150k-$250k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
Experience in production engineering/SRE or app support for real-time trading systems; monitoring, incident response, troubleshooting, automation, Linux, Python, and SQL skills; strong operational discipline.
Python, SQL, Linux
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1mo
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Software Engineer, Trading Systems (C++)
New York City, New York, United States
$120k-$285k/yr HybridFull Time
Tower Research Capital
Tower Research Capital: Global quantitative trading firm developing automated algorithmic strategies.
Degree in CS/Engineering/Math/Physics, strong algorithms/data-structures and distributed systems foundation, excellent C++ (Python preferred), experience building low-latency/high-performance systems, interest in financial markets.
C++, Python, Rust, Linux, FPGA
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2mo
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Software Engineer - Options Trading Systems
New York, New York, United States
$175k-$250k/yr OnsiteFull Time
Summit Securities Group
Summit Securities Group: A systematic trading firm merging human intuition with machine intelligence.
5+ YOE5+ years in production software engineering; strong C++, systems fluency, networking; low-latency, high-performance focus.
C++, Networking, Socket programming, Multithreading
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Senior FX Trading System Engineer - AVP
New York City, New York, United States
$115k-$160k/yr OnsiteFull Time
Barclays
BarclaysLondon Stock Exchange: BARC: Global bank providing retail, corporate, and investment financial services.
Support and maintain FX trading platforms, troubleshoot complex technical issues, automate monitoring and processes, and work with stakeholders; require experience with electronic trading, scripting, cloud, and monitoring tools.
FIX, ECN, Shell, Python, Perl, AWS, AutoSys, ServiceFirst, ITRS Geneos
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1w
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Backend Software Engineer, Trading Systems & Data Platform
Mountain View or New York City or New Jersey
$110k-$300k/yr HybridFull Time
Arta Finance
Arta Finance: Digital wealth management platform for sophisticated individual investors.
Experience building reliable distributed systems, backend platforms or data infrastructure; strong programming skills (Python or similar); familiarity with Kafka, Kubernetes and cloud; knowledge of financial systems is a plus.
Python, Kafka, Kubernetes
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1mo
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Staff Back End Engineer, Trading
Chicago or New York City or Los Angeles or San Francisco or Culver City or Dallas
$200k-$285k/yr RemoteFull Time
Altruist
Altruist: Provides a digital custodian and portfolio management platform for advisors.
8+ YOE8+ years software engineering experience, 2+ years building low-latency trading systems, BA/BS preferred, proficient with Java, Spring Boot, Microservices, AWS, Postgres, Kubernetes, strong leadership and communication.
Java, Spring Boot, Microservices, AWS, Postgres, Kubernetes
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Senior Lead Software Engineer - Java/Algo Trading
Plano or New York
$171k-$260k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years applied software engineering experience, 2+ years leading technologists; advanced Java, data structures, algorithms, multithreading; experience with algorithmic trading, FIX, performance optimization, cloud-native systems and trading protocols.
Java, FIX, AMPS, Kafka, Cucumber, Python, Shell, Linux, Grafana, Splunk
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4w
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Senior Backend Engineer- Trading Platform(Go/Rust)
Dallas or New York City
OnsiteFull Time
Longbridge Group
Longbridge Group: AI-powered online brokerage and global investment platform.
7+ YOE7+ years in brokerage/securities/wealth operations or financial services with 3+ years managerial experience; bachelor's in finance/business/accounting; strong post-trade operations knowledge; product/operations system implementation experience; strong analytical and communication skills.
Go, Rust
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1mo
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Senior Specialist Systems Engineer (39386)
Amityville, New York, United States
$107k-$198k/yr OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
4+ YOEExperience performing reliability, maintainability, availability analyses, FMEA/FMECA, FRACAS, and redundancy trade studies; Bachelor's in Mechanical Engineering (or equivalent experience); 4+ years relevant experience; Microsoft Office proficiency.
PTC Windchill Quality Solutions, Relyance, Microsoft Office
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1mo
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Senior Java Developer - Rates Derivatives Algo & E-Trading
New York, New York, United States
$155k-$215k/yr OnsiteFull Time
Morgan Stanley
Morgan StanleyNYSE: MS: Provides global investment banking, wealth management, and advisory services.
10+ YOEBachelor's degree or equivalent experience; 10+ years software development; strong Core Java (JDK 21+ beneficial); OOP and legacy system experience; Fixed Income/Swaps and eTrading/algo exposure preferred; familiarity with AI tools beneficial.
Java, JDK 21, AMP/Claude Code, Python, Scala, Tradeweb, Bloomberg
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2mo
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Software Engineer, Trading Engineering
New York, New York, United States
$165k-$250k/yr HybridFull Time
Two Sigma
Two Sigma: Systematic investment management and quantitative trading firm.
1+ YOE1+ year experience; BS/MS in CS/Engineering; C/C++, Rust required; Python a plus; data structures/algorithms; production deployment and large-scale systems experience preferred
C, C++, Rust, Python
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1mo
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Java Algo Developer, Fixed Income Trading, Vice President
New York City, New York, United States
$142k-$213k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
10+ YOE10+ years coding in core Java for low-latency, high-throughput systems; experience with Solace/Kafka, Chronicle/Aeron, distributed caching, Linux tuning, build tools (Gradle, Git, TeamCity, Jenkins, Artifactory); BS in CS or related preferred.
core Java, Solace, Kafka, Chronicle, Aeron, Linux, Gradle, Git, TeamCity, Jenkins, Artifactory
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1w
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Senior Backend Engineer, Trading & Connectivity
New York, New York, United States
OnsiteFull Time
Polymarket
Polymarket: A decentralized platform for trading on real-world event outcomes.
8+ YOE8+ years backend experience building high-throughput, low-latency distributed systems; experience with event-driven architectures, production on-call, and technical leadership.
Kafka, gRPC, DynamoDB, Redis, Protobuf, AWS, GCP
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1mo
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AML Surveillance Tools Engineer/Developer
New York City, New York, United States
$105k-$155k/yr HybridFull Time
TD Bank
TD BankToronto Stock Exchange: TD: Provide retail, commercial, and wholesale banking and financial services.
3+ YOE3+ years experience; strong Java, some Python; data engineering, ETL, Apache Spark, Databricks/Hadoop; experience with large datasets, messaging (Solace, Kafka), system integration; familiarity with AML, trade/payments surveillance and capital markets.
Java, Python, Apache Spark, Databricks, Hadoop, Solace, Kafka, NICE Actimize, SMART, Trading Hub
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1w
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Algo Developer - Contract
New York, New York, United States
$600-$800/day OnsiteContract
Nomura
NomuraTokyo Stock Exchange: 8604: Global financial services group providing investment banking and brokerage.
3+ YOE3+ years building equity algorithmic trading systems, hands-on Java development, strong teamwork and self-management, bachelor's or master's in CS/engineering, experience with distributed/event-driven systems preferred.
Java, CI/CD, TCP/IP
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Quantitative Systems Manager
New York, New York, United States
$224k-$225k/yr OnsiteFull Time
DV Trading
DV Trading: Proprietary trading firm providing liquidity to global financial markets.
3+ YOEMaster's degree in a quantitative field, 3+ years as a research engineer/quant developer, experience developing commodity pricing models, trading systems and risk platforms; strong Python and numerical library experience; familiarity with options pricing, Monte Carlo, and ML frameworks.
Python, NumPy, SciPy, Pandas, TensorFlow, scikit-learn
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Full Stack Lead Engineer, Credit Flow Trading Technology - Vice President
New York, New York, United States
$125k-$223k/yr HybridFull Time
Deutsche Bank
Deutsche BankNew York Stock Exchange: DB: A global bank providing financial services to individuals and corporations.
Hands-on experience with Java, Python, React and Kubernetes; experience with distributed systems, CI/CD and modern DevOps; strong communication and technical leadership skills.
Java, Python, React, Kubernetes, CI/CD
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