1 to 25 of 28 Contract PostgreSQL Jobs in London

MLOps Tech Lead

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £600 per day
e.g., MLflow, TensorFlow Serving). Strong experience with data processing frameworks (e.g., Apache Spark, Flink). Expertise in SQL and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB, Cassandra). Hands-on experience with cloud platforms (e.g., AWS, GCP, Azure) and their data services (e.g., Snowflake, S3, BigQuery, Redshift). Experience with ...

Principal Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600.0 - £640.0 per day + up to £640 pd (Inside IR35)
design (OOAD) Proven experience with C#, Java (Spring Boot, JPA/Hibernate), REST APIs, observability, monitoring, queue technologies, security, and relational databases (especially Postgres). Strong understanding of SOLID principles, microservice development focused on high availability and data integrity, and solid use of JUnit, TDD, and integration/ ...

Full Stack Developer - Active SC, NPPV3, Java

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
micro-frontend architectures Hands-on experience with Java & Spring best practices, React, and cloud/data services including SNS, SQS, S3, Aurora/PostgreSQL, and OpenSearch Excellent communication skills. Nice to have: Technical leadership with the ability to identify delivery inefficiencies, escalate issues, and drive value. Hays Specialist Recruitment Limited ...

Back End Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£550.00 - £575.00 per day
Must-Have Skills & Experience Strong commercial experience with Java Spring Framework , including Spring Boot and Spring Data Experience with Kafka and event-driven systems PostgreSQL database experience OpenSearch/Elasticsearch Node.js Building and consuming REST APIs WireMock or similar API mocking tools Active SC Clearance Nice-to-Have Experience working ...

Senior Python Developer - Digital Trading Analytics

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£380 - £465 per day
logical data modelling, pandas, SQLAlchemy). Data Engineering: High-scale workload experience using Parquet or Arrow. Database Expert: Mastery of SQL Server or PostgreSQL (tuning, joins, transactions, and complex aggregations). Cloud & Infrastructure: Hands-on experience with AWS or Azure, Docker, and Kubernetes (Helm, StatefulSets). Automation: Proficiency ...

Full-Stack Engineer - 6-month contract - Immediate Start

Hiring Organisation
The ECA International Group
Location
London, United Kingdom
Employment Type
Contract, Work From Home
orchestration tools such as Tachyon, Temporal, or similar platforms. Experience with data ingestion, pipeline management, and distributed systems . Databases & Performance Proficiency in PostgreSQL, Snowflake , and NoSQL databases. Experience with vector databases to support AI-driven features. Strong skills in performance tuning, monitoring, and optimisation. Cloud & DevOps Deep understanding ...

Data Scientist - Contract

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
GitHub Copilot or Amazon CodeWhisperer.* Cloud & Data Platforms: Familiarity with cloud environments (AWS, Azure, GCP) and experience with relational and NoSQL databases (SQL, Postgres, DB2, MongoDB). Preferred Experience* Expertise in one or more specialised areas such as NLP, image processing, video processing, voice processing or Watson technologies.* Familiarity with ...

Fullstack Developer

Hiring Organisation
Experis
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £521 per day
IR35 - Umbrella only Active SC clearance required, eligible candidates will be considered Required Skills: Java Kafka Nice to Have Skills: Spring (Framework, Boot, Data) Postgres OpenSearch/ElasticSearch NodeJS Rest API Wiremock (API mocking) Suitable Candidates should submit CVs in the first instance ...

Fullstack Developer

Hiring Organisation
Experis
Location
South Croydon, Surrey, United Kingdom
Employment Type
Contract
Contract Rate
GBP 520 - 521 Daily
IR35 - Umbrella only Active SC clearance required, eligible candidates will be considered Required Skills: Java Kafka Nice to Have Skills: Spring (Framework, Boot, Data) Postgres OpenSearch/ElasticSearch NodeJS Rest API Wiremock (API mocking) Suitable Candidates should submit CVs in the first i click apply for full job details ...

Senior Golang DevOps Engineer

Hiring Organisation
Data Careers
Location
South East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
pipelines built with GitHub Actions Automated testing strategies Health checks and resilience patterns AWS services including ALB, IAM , and core networking Relational databases: Postgres and/or MSSQL on AWS ( RDS and/or Athena ) Monitoring and observability using Datadog Comfortable working autonomously in ambiguous environments Experience working in Agile ...

Back End Developer

Hiring Organisation
Experis
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£520 - £570/day
Experience building and consuming RESTful APIs Solid understanding of backend engineering principles Nice-to-Have Skills Spring ecosystem (Spring Framework, Spring Boot, Spring Data) Postgres or other relational databases OpenSearch/Elasticsearch Node.js Wiremock or other API mocking/testing tools Experience working in cloud-based or distributed systems ...

Data Scientist - Hybrid - Inside IR35

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day
Amazon CodeWhisperer. Cloud & Data Platforms: Familiarity with cloud platforms and services (AWS, Azure, GCP, Kubernetes) and experience with relational and NoSQL databases (SQL, PostgreSQL, DB2, MongoDB). Preferred Professional & Technical Expertise Specialized AI Domains : Experience in one or more of the following areas: NLP, image processing, video processing, voice processing ...

Full-Stack Developer

Hiring Organisation
Sanderson Recruitment
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day + Inside IR-35
focused on delivering secure, high-performance systems that support critical government services. Required Skills * Java * Kafka Nice to Have Skills * Spring (Framework, Boot, Data) * Postgres * OpenSearch/ElasticSearch * NodeJS * Rest API * Wiremock (API mocking) Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£80,000 per annum
delivery of features, ensuring speed, scalability, and quality are never compromised. Architect, develop, and maintain core SaaS platform components across the stack: Backend: Python, PostgreSQL Frontend: TypeScript, NextJS/NodeJS Ensure smooth integration of AI tools, APIs, and data pipelines to enhance platform intelligence. Champion engineering best practices, including testing … software development experience. Proven success in high-performing engineering teams in fast-paced environments. Deep expertise in development with: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Nice to have experience with: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform ...

Mainframe Modernization - IBM DataPower Engineer

Hiring Organisation
DCV Technologies Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
/mTLS, and AAA policies for secure API access. Integrate with CICS, IBM MQ, and DB2 for backend connectivity. Connect to database like PostgreSQL via REST/HTTP Services Via JDBC through Integration Layer, MQ or Kafka Bridge. Perform XSLT/GatewayScript transformations and schema validations. Automate deployments via SOMA ...

Mainframe Modernization - IBM DataPower Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£575 - £625/day - Inside IR35
/mTLS, and AAA policies for secure API access. Integrate with CICS, IBM MQ, and DB2 for backend connectivity. Connect to database like PostgreSQL via REST/HTTP Services Via JDBC through Integration Layer, MQ or Kafka Bridge. Perform XSLT/GatewayScript transformations and schema validations. Automate deployments via SOMA ...

Senior Data Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Required Skills 5+ years Data Engineering experience Strong Python GCS (preferred) or AWS S3 PyTorch (data loading & datasets) BigQuery (GCP) SQL (SQL Server preferred, PostgreSQL acceptable) Strong understanding of memory management Nice to Have Other GCP services (Cloud Run, Cloud SQL, Cloud Scheduler) Machine Learning experience Pharma/Life Sciences ...

Database Security Engineer

Hiring Organisation
Hirexa Solutions UK
Location
Canary Wharf, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
security features (e.g., TDE, auditing). Experience with database patching, upgrades, and performance tuning from a security perspective. Familiarity with other database technologies (e.g., PostgreSQL, SQL Server, NoSQL) is a plus. Delivery Management: Demonstrated experience in managing and implementing controls Proficiency with project management methodologies (e.g., Agile, Waterfall) and tools ...

Database Security Consultant

Hiring Organisation
Stackstudio Digital Ltd
Location
East London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £600 per day
security features (e.g., TDE, auditing). Experience with database patching, upgrades, and performance tuning from a security perspective. Familiarity with other database technologies (e.g., PostgreSQL, SQL Server, NoSQL) is a plus. Delivery Management: Demonstrated experience in managing and implementing controls Proficiency with project management methodologies (e.g., Agile, Waterfall) and tools ...

Data Platform Engineer

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 525 Daily
Data Platform Engineer I PostgreSQL I ADF I SQL Database I Schemas I Migration I Decommission I Financial Services I £500-£525 per day Outside IR-month initial Hybrid Remote - London I'm working with a high-growth, product-led scale-up who are rebuilding their entire data layer ...

Integration Engineer - Java 8, MQTT

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400.0 - £450.0 per day + £market rate (Outside IR35)
evolves into a production-ready solution. Key requirements: Strong commercial Java 8 development experience Proven background with MQTT integrations Experience with PostgreSQL databases Comfortable working in SuSE Linux Enterprise environments Ability to deliver clean, testable, maintainable code Strong communication skills for customer interactions Nice to have: Flexibility ...

Software Engineer - Database & Display

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 600 Daily
Role:Software Engineer - Database and Display Key Skills- SCADA/EMS/DMS Developer, Database Design, Data Modeling, Historian Integration, Oracle, SQL Server, PostgreSQL, SLD, Display Hands-on expertise preferably on XX PowerOn Reliance (XA21), AEMS Platform, GE eTerra, PowerOn Advantage Software, as well as SCADA/DMS/ ...

PostgreSQL Database Developer

Hiring Organisation
Interact Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Level Database Developer (PostgreSQL) - Inside IR35 Healthcare Sector Contract Type: Inside IR35 £450pd Location: Fully Remote (UK-based candidates only) Role Overview We are seeking Mid-Level PostgreSQL Database Developers to join the team and support the upgrade and deployment of cloud infrastructure for a key healthcare system, preparing … Friday, 9:00 - 17:00 2 roles: Evening and weekend shifts (hours to be discussed during interview) Key Responsibilities Design, develop, and maintain PostgreSQL databases to support application upgrades. Support the deployment of cloud-based infrastructure in preparation for a major system update. Optimize queries, indexes, and schema design ...

Software Engineer - Database & Display

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £600 per day
Role:Software Engineer - Database and Display Key Skills- SCADA/EMS/DMS Developer, Database Design, Data Modeling, Historian Integration, Oracle, SQL Server, PostgreSQL, SLD, Display Hands-on expertise preferably on XX PowerOn Reliance (XA21), AEMS Platform, GE eTerra, PowerOn Advantage Software, as well as SCADA/DMS/… equivalent platforms from Siemens, OSI, ABB, Schneider etc. Proven experience working on databases such as Oracle, SQL Server, PostgreSQL, MYSQL, or similar RDBMS Display & Visualization SLD creation, HMI development, real-time dashboards, operator displays, and reports Programming/Scripting C, C++, PERL, Java or equivalent for application interfacing and scripting ...

Data Architect Mainframe Migration & Modernization

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
when CQRS is justified for mainframe migration vs. overkill. Database internals: Index structures (B-tree, bitmap, etc.), query planning, partitioning strategies; how Db2 vs. PostgreSQL differ in storage and execution. Data quality & validation: Designing test suites for schema conformance; referential integrity checks; sampling and reconciliation strategies. Desirable Skills/Knowledge …/Experience IBM zDIH patterns, zIIP tuning. COBOL copybook/VSAM ingestion experience. Postgress SQL Data Architecture, PostgreSQL/Aurora data modelling. ...