1 to 25 of 70 Java Jobs in Hertfordshire

Data Reporting engineer (Python/.Net)

Hiring Organisation
Tenth Revolution Group
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
must have Python software developer - Contract: Required Skillset: 5+ years Software engineering experience with Python as the primary backend language, with support for Java and .NET Oracle SQL PL for maintaining existing services Experience with AWS, Azure, SQL Server, Postgres, GitHub, Azure DevOps, Linux, Docker and Kubernetes Understanding of continuous ...

Senior Java Developer - Java/Big Data

Hiring Organisation
Global Relay
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Your role: Joining the Reporting product line, you would work as a member of a highly focused team. This team specialises in Java-based data engineering, designing and delivering large-scale ETL workflows on a lake house platform. You'll be working with modern big data technologies to move, transform … Migrate existing services to microservices, with the goal of reducing complexity at the design and architecture level Write unit and integration tests for your Java code Collaborate with testers in development of functional test cases Develop deployment systems for Java based systems Collaborate with product owners on user story generation ...

Senior Software Engineer

Hiring Organisation
Response Informatics
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
services listed below:- S3- Athena- Glue- Lambda- DynamoDB- OpenSearch- CloudFormation- API Gateway- ECS- CloudWatch Programming and Core Services Fluency in Kotlin/Java, NodeJS, TypeScript • SQL Databases Experience with SQL, and NoSQL databases such as DynamoDB Security – strong understanding of security principles within the AWS environment, including RBAC ...

Senior Software Engineer

Hiring Organisation
Response Informatics
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
services listed below:- S3- Athena- Glue- Lambda- DynamoDB- OpenSearch- CloudFormation- API Gateway- ECS- CloudWatch Programming and Core Services Fluency in Kotlin/Java, NodeJS, TypeScript • SQL Databases Experience with SQL, and NoSQL databases such as DynamoDB Security – strong understanding of security principles within the AWS environment, including RBAC ...

Engineering Manager

Hiring Organisation
Calyptus
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
technical stakeholders Passion for mentoring and growing teams, creating an environment that balances technical excellence with fast, pragmatic delivery Technologies Back-end: Java 21, Spring Boot, REST, Postgres/Jooq/Flyway, JUnit/TestContainers/Mockito, AWS (EC2, RDS, Cognito, S3, KMS), Containerization (Docker/kubernetes) Front-end: TypeScript ...

Senior Java Developer

Hiring Organisation
SRT Marine Systems plc
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Join Us at SRT Marine Systems as a Senior Java Developer Job Title: Senior Java Developer Location: 1 day/week in Cardiff office Job Type: Permanent, Full-Time SRT Marine Systems plc (SRT) are a market leader in its domain of international marine surveillance technology and systems. … core product and we are expanding our back-end development capability. We are looking for a Senior Back-End Developer with deep experience in Java, distributed systems, data processing, and scalable microservices. What You'll Be Doing Event Stream Processing & Microservice Development Design, implement, and maintain ~50+ Java Spring Boot ...

Senior Java Developer

Hiring Organisation
SRT Marine Systems plc
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Join Us at SRT Marine Systems as a Senior Java Developer Job Title: Senior Java Developer Location: 1 day/week in Cardiff office Job Type: Permanent, Full-Time SRT Marine Systems plc (SRT) are a market leader in its domain of international marine surveillance technology and systems. … core product and we are expanding our back-end development capability. We are looking for a Senior Back-End Developer with deep experience in Java, distributed systems, data processing, and scalable microservices. What You'll Be Doing Event Stream Processing & Microservice Development Design, implement, and maintain ~50+ Java Spring Boot ...

AWS Developer

Hiring Organisation
Response Informatics
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
services listed below:- S3- Athena- Glue- Lambda- DynamoDB- OpenSearch- CloudFormation- API Gateway- ECS- CloudWatch Programming and Core Services Fluency in Kotlin/Java, NodeJS, TypeScript SQL Databases Experience with SQL, and NoSQL databases such as DynamoDB Security – strong understanding of security principles within the AWS environment, including RBAC ...

Principal Software Engineer

Hiring Organisation
Noon-The Social Learning Platform
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
with product, design, operations, and learning teams to understand requirements and articulate technical decisions and outcomes. Requirements 8+ years experience in backend development using Java/Spring Boot or equivalent. Experience with containerisation and orchestration technologies (Kubernetes). Deep understanding of system software, specially distributed systems. Experience designing and delivering ...

Principal Software Engineer

Hiring Organisation
Noon-The Social Learning Platform
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
with product, design, operations, and learning teams to understand requirements and articulate technical decisions and outcomes. Requirements 8+ years experience in backend development using Java/Spring Boot or equivalent. Experience with containerisation and orchestration technologies (Kubernetes). Deep understanding of system software, specially distributed systems. Experience designing and delivering ...

Principal Software Engineer

Hiring Organisation
Noon-The Social Learning Platform
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
with product, design, operations, and learning teams to understand requirements and articulate technical decisions and outcomes. Requirements 8+ years experience in backend development using Java/Spring Boot or equivalent. Experience with containerisation and orchestration technologies (Kubernetes). Deep understanding of system software, specially distributed systems. Experience designing and delivering ...

Site Reliability Engineer

Hiring Organisation
Tempo Software
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Responsible, proactive and honest Excellent communication and collaboration skills Will be a plus: Experience with Helm, FluxCD, GitHub Actions, Ansible, Datadog Experience with supporting Java/Kotlin apps Experience with developing for Atlassian ecosystem Why Join Tempo? Impact: Work on meaningful products that empower enterprise users and improve productivity. Innovation ...

Cloud PAM Sr. Engineer

Hiring Organisation
Vertex Agility
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
enterprise cloud security standards. What You'll Bring: Strong exposure to cloud security or PAM, hands-on scripting or development skills (Python, PowerShell, or Java), and practical experience with AWS/Azure, REST APIs, Git, Terraform, and DevOps tools. Interested in taking the next step in your cloud security career ...

Backend Software Engineer Rust Low Latency Trading

Hiring Organisation
Client Server
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
days a week. About you: You have commercial Rust development experience You have strong backend OOP, multithreaded software engineering experience (e.g. C++, Java, Python) You have experience of working on high throughput, low latency systems with microseconds/nanoseconds, within a finance (or games) environment You have a good understanding ...

PERL Software Developer

Hiring Organisation
Gold Group Ltd
Location
Stevenage, Hertfordshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£70.00 - £77.00 per hour
analysing, and documenting system requirements Strong analytical and problem-solving skills Proficiency in Microsoft Excel Experience with data visualisation tools and techniques Exposure to Java and PowerShell Familiarity with Technical Publications or structured content publishing environments My client is keen to get this position filled ASAP, so if you feel ...

Senior Software Engineer II - Contacts Team

Hiring Organisation
Wise
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
want to hear from you! You get things done You have experience working with large scale distributed systems You have years of Java 8+ knowledge You have experience working with relational and non-relational databases, query optimisation and designing schemas You have a strong product mindset and passion for customer ...

PERL Software Developer

Hiring Organisation
Guidant Global
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £77 per hour ; (Umbrella)
approach to learning. Youll also have the opportunity to design and enhance applications and reporting tools across a range of technologies, including C#, SQL, Java, and PowerShell. If you thrive in a fast-paced environment and enjoy working across multiple coding disciplines, this is your chance to make a meaningful ...

Software Engineer

Hiring Organisation
Cirium
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
degree in Engineering Computer Science or equivalent expe rienceHave some Software Development expe rienceBe proficient in development languages including but not limited to: Java, Springboot, Python, C#, .NE T, C++Have a good understanding of data modelling principles, data manipulation languages, and storage s ystemsBe familiar with industry best practices such ...

Software Engineer

Hiring Organisation
Cirium
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
degree in Engineering Computer Science or equivalent expe rienceHave some Software Development expe rienceBe proficient in development languages including but not limited to: Java, Springboot, Python, C#, .NE T, C++Have a good understanding of data modelling principles, data manipulation languages, and storage s ystemsBe familiar with industry best practices such ...

PERL Software Developer

Hiring Organisation
Meritus
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£77 - £84/hour INSIDE IR35
reporting tools. Key responsibilities include: Coding and maintaining technical publication stylesheets using PERL Supporting development of applications and reporting tools using C#, SQL, Java and PowerShell Designing and optimising database solutions Migrating data from legacy systems Analysing system requirements and improving performance Defining data structures, security and backup procedures Providing ...

Mobile App Developer (Flutter)

Hiring Organisation
IT Talent Solutions Ltd
Location
St. Albans, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
development principles Comfortable using Git and modern IDEs (Xcode, Android Studio, VS Code) Clear communicator with a proactive mindset Nice to have Experience with Java, Kotlin, or Swift Commercial mobile app development experience Exposure to AWS or Azure Third-party integrations such as Stripe or Apple Pay Frontend knowledge (HTML ...

Senior Software Engineer | $160/hr Max

Hiring Organisation
Mercor
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
research, or educational content development. Bachelor's degree in Software Engineering, Computer Science, or a related field. Strong proficiency in languages like Python, JavaScript, Java, or C++. Experience with debugging, testing, and validating code. Comfortable with technical writing and attention to detail. Preferred Degree from Top US Colleges or Universities. ...

Perl Software Engineer

Hiring Organisation
Akkodis
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Contract
process would be an advantage but not a requirement. Assistance in updating and in some cases, creating applications and reporting tools using C# , SQL, Java and Powershell and possibly across different coding domain languages. Responsibilities Code technical publication stylesheets using PERL language Develop database solutions to store and retrieve company ...

Senior Full Stack Systems Developer

Hiring Organisation
Penguin Recruitment
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum
overseeing the Full Software System Lifecycle of a product, demonstrating your commitment to extensive development and improvement Demonstrable experience in the use of Java Middleware, API, Docker, and MQ systems Good working knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet ...

Senior Embedded Android Software Engineer

Hiring Organisation
Technology Resourcing
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
Test Engineers. What You'll Bring Essential experience: Proven track record developing stable Android applications for embedded devices (not just mobile apps). Strong Java for Android skills, including associated tools and test frameworks. UI design and implementation expertise. API integration experience. Ability to produce detailed requirements and design documentation. ...